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(%) During the period shown in the bar chart, the Fund’s: Best Quarter was up 3.06%, 3rd quarter, 2024; and Worst Quarter was down -1.16%, 4th quarter, 2024. 0.0225 0.0358 Calendar Year End (%) During the period shown in the bar chart, the Fund’s: Best Quarter was up 3.62%, 3rd quarter, 2025; and Worst Quarter was down -1.28%, 4th quarter, 2024. -0.0029 0.0311 0.0115 0.0535 0.0349 0.0083 -0.0457 0.0515 0.0234 0.0456 Calendar Year End (%) During the period shown in the bar chart, the California Municipal Predecessor Fund’s: Best Quarter was up 4.88%, 4th quarter, 2023; and Worst Quarter was down -4.02%, 1st quarter, 2022. 0.0314 0.0087 0.0559 0.0299 0.0174 -0.0565 0.0526 0.0214 0.0385 -0.0002 Calendar Year End (%) During the period shown in the bar chart, the Fund’s: Best Quarter was up 4.95%, 4th quarter, 2023; and Worst Quarter was down -4.42%, 1st quarter, 2022. 0.2946 0.3204 Calendar Year End (%) During the period shown in the bar chart, the Fund’s: Best Quarter was up 27.80%, 2nd quarter, 2025; and Worst Quarter was down -11.54%, 1st quarter, 2025. 0.2595 0.1460 Calendar Year End (%) During the period shown in the bar chart, the Fund’s: Best Quarter was up 11.33%, 4th quarter, 2023; and Worst Quarter was down -3.47%, 1st quarter, 2025. 0.1621 0.2486 Calendar Year End (%) During the period shown in the bar chart, the Fund’s: Best Quarter was up 12.01%, 1st quarter, 2024; and Worst Quarter was down -4.82%, 1st quarter, 2025. 0.2041 0.1223 Calendar Year End (%) During the period shown in the bar chart, the Fund’s: Best Quarter was up 10.28%, 4th quarter, 2023; and Worst Quarter was down -2.32%, 3rd quarter, 2023. 0.2461 -0.0879 0.1803 0.0565 0.0984 -0.1465 0.1555 0.0906 0.2756 -0.0015 Calendar Year End (%) During the period shown in the bar chart, the Fund’s: Best Quarter was up 13.50%, 2nd quarter, 2020; and Worst Quarter was down -19.84%, 1st quarter, 2020. 0.1071 0.0552 Calendar Year End (%) During the period shown in the bar chart, the Fund’s: Best Quarter was up 3.16%, 1st quarter, 2024; and Worst Quarter was down -1.42%, 1st quarter, 2025. 0.1635 Calendar Year End (%) During the period shown in the bar chart, the Fund’s: Best Quarter was up 5.82%, 2nd quarter, 2025; and Worst Quarter was up 3.05%, 3rd quarter, 2025. 0.1279 Calendar Year End (%) During the period shown in the bar chart, the Fund’s: Best Quarter was up 5.37%, 2nd quarter, 2025; and Worst Quarter was up 0.25%, 1st quarter, 2025. N-1A AB ACTIVE ETFs, INC. 2026-03-31 SUMMARY INFORMATION FIXED-INCOME—TAXABLE AB High Yield ETF INVESTMENT OBJECTIVE <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund’s investment objective is to seek to maximize total return consistent with prudent investment management.</div> FEES AND EXPENSES OF THE FUND <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. <span style="font-weight: bold;">You may be required to pay commissions and/or other forms of compensation to a broker for transactions in shares, which are not reflected in the tables or the examples below.</span></div> Shareholder Fees (fees paid directly from your investment) 0 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) 0.0040 0 0.0000 0.0040 Examples <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Examples assume that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Examples also assume that your investment has a 5% return each year and that the Fund’s operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:</div> 41 128 224 505 Portfolio Turnover <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund pays transaction costs, such as commissions, when it buys or sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Fund Operating Expenses or in the Examples, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 83% of the average value of its portfolio.</div> 0.83 PRINCIPAL STRATEGIES <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund is an actively-managed exchange-traded fund (“ETF”). The Fund invests, under normal circumstances, at least 80% of its net assets in fixed-income securities rated Ba1 or lower by Moody’s Ratings (“Moody’s”), or BB+ or lower by S&amp;P Global Ratings (“S&amp;P”) or Fitch Ratings (“Fitch”), or the equivalent by any nationally recognized statistical rating organization (“NRSRO”) (commonly known as “junk bonds”); unrated securities considered by the Adviser to be of comparable quality; and related derivatives.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund may invest in fixed-income securities with a range of maturities from short- to long-term. The Fund may also invest in equity securities.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">In selecting securities for purchase or sale by the Fund, the Adviser attempts to take advantage of inefficiencies that it believes exist in the global debt markets. These inefficiencies arise from investor behavior, market complexity, and the investment limitations to which investors are subject. The Adviser combines quantitative analysis with fundamental credit and economic research in seeking to exploit these inefficiencies.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund invests most often in securities of U.S. issuers, but may also purchase fixed-income securities of foreign issuers, including securities denominated in foreign currencies and securities of emerging market issuers. The Adviser may or may not hedge any foreign currency exposure through the use of currency-related derivatives.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund expects to use derivatives, such as options, futures contracts, forwards and swaps, to a significant extent, subject to the limits of applicable law. Derivatives may provide a more efficient and economical exposure to market segments than direct investments, and may also be a more efficient way to alter the Fund’s exposure. The Fund may, for example, use credit default and interest rate swaps to gain exposure to the fixed-income markets or particular fixed-income securities and, as noted above, may use currency-related derivatives. The Adviser may use derivatives to effectively leverage the Fund by creating aggregate market exposure substantially in excess of the Fund’s net assets.</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Market Risk:</span> The value of the Fund’s assets will fluctuate as the markets for securities in which the Fund invests fluctuate. The value of the Fund’s investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events, including public health crises (including the occurrence of a contagious disease or illness), terrorism, war, changing interest rate levels, the imposition of new or additional tariffs, and regional and global conflicts, that affect large portions of the market.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Interest Rate Risk:</span> Changes in interest rates will affect the value of investments in fixed-income securities. When interest rates rise, the value of existing investments in fixed-income securities tends to fall and this decrease in value may not be offset by higher income from new investments. Interest rate risk is generally greater for fixed-income securities with longer maturities or durations. Changing interest rates may have unpredictable effects on the markets, may result in heightened market volatility and may detract from Fund performance. In addition, changes in monetary policy may exacerbate the risks associated with changing interest rates.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Credit Risk:</span> An issuer or guarantor of a fixed-income security may be unable or unwilling to make timely payments of interest or principal, or to otherwise honor its obligations. The issuer or guarantor may default, causing a loss of the full principal amount of a security and accrued interest. The degree of risk for a particular security may be reflected in its credit rating. There is the possibility that the credit rating of a fixed-income security may be downgraded after purchase, which may adversely affect the value of the security.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Below Investment Grade Securities Risk:</span> Investments in fixed-income securities with lower ratings (commonly known as “junk bonds”) are subject to a higher probability that an issuer will default or fail to meet its payment obligations. These securities may be subject to greater price volatility due to such factors as specific corporate developments and negative perceptions of the junk bond market generally and may be more difficult to trade than other types of securities.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Duration Risk:</span> Duration is a measure that relates the expected price volatility of a fixed-income security to changes in interest rates. The duration of a fixed-income security may be shorter than or equal to full maturity of a fixed-income security. Fixed-income securities with longer durations have more risk and will decrease in price as interest rates rise. For example, a fixed-income security with a duration of three years will likely decrease in value by approximately 3% if interest rates increase by 1%.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Inflation Risk:</span> This is the risk that the value of assets or income from investments will be less in the future as inflation decreases the value of money. As inflation increases, the value of the Fund’s assets can decline as can the value of the Fund’s distributions. This risk is significantly greater for fixed-income securities with longer maturities.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Derivatives Risk:</span> Derivatives may be difficult to price or unwind and may be leveraged so that small changes may produce disproportionate losses for the Fund. A short position in a derivative instrument involves the risk of a theoretically unlimited increase in the value of the underlying asset, reference rate or index, which could cause the Fund to suffer a potentially unlimited loss. Derivatives, especially over-the-counter derivatives, are also subject to counterparty risk, which is the risk that the counterparty (the party on the other side of the transaction) on a derivative transaction will be unable or unwilling to honor its contractual obligations to the Fund.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Leverage Risk: </span>To the extent the Fund uses leveraging techniques, its net asset value (“NAV”) may be more volatile because leverage tends to exaggerate the effect of changes in interest rates and any increase or decrease in the value of the Fund’s investments.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Foreign (Non-U.S.) Investments Risk:</span> Investments in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be more difficult to trade than domestic securities due to adverse market, economic, political, regulatory or other factors.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Emerging Market Risk:</span> Investments in emerging market countries may involve more risks than investments in other foreign countries because the markets are less developed, less liquid and are subject to increased potential for market manipulation, and increased economic, political, regulatory or other uncertainties.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Currency Risk:</span> Fluctuations in currency exchange rates may negatively affect the value of the Fund’s investments in fixed-income securities denominated in foreign currencies or reduce the Fund’s returns.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Illiquid Investments Risk:</span> Illiquid investments risk exists when certain investments are or become difficult to purchase or sell. Difficulty in selling such investments may result in sales at disadvantageous prices affecting the value of your investment in the Fund. Causes of illiquid investments risk may include low trading volumes and large positions. Foreign fixed-income securities may have more illiquid investments risk because secondary trading markets for these securities may be smaller and less well-developed and the securities may trade less frequently than domestic securities. Illiquid investments risk may be higher in a rising interest rate environment, when the value and liquidity of fixed-income securities generally go down.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">ETF Share Price and Net Asset Value Risk:</span> The Fund’s shares are listed for trading on the NYSE Arca, Inc. (“NYSE Arca” or an “Exchange”). The Fund’s shares are generally bought and sold in the secondary market at market prices. The NAV per share of the Fund will fluctuate with changes in the market value of the Fund’s holdings. The Fund’s NAV is calculated once per day, at the end of the day. The market price of a share on an Exchange could be higher than the NAV (premium), or lower than the NAV (discount) and may fluctuate during the trading day. When all or a portion of the Fund’s underlying securities trade in a market that is closed when the market for the Fund’s shares is open, there may be differences between the current value of a security and the last quoted price for that security in the closed local market, which could lead to a deviation between the market value of the Fund’s shares and the Fund’s NAV. Disruptions in the creations and redemptions process or the existence of extreme market volatility could result in the Fund’s shares trading above or below NAV. As the Fund may invest in securities traded on foreign exchanges, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share than shares of other ETFs. In addition, in stressed market conditions, the market for Fund shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Authorized Participant Risk:</span> Only a limited number of financial institutions that enter into an authorized participant relationship with the Fund (“Authorized Participants”) may engage in creation or redemption transactions. If the Fund’s Authorized Participants decide not to create or redeem shares, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share, or the Fund could face trading halts or de-listing.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Active Trading Market Risk:</span> There is no guarantee that an active trading market for Fund shares will exist at all times. In times of market stress, markets can suffer erratic or unpredictable trading activity, extraordinary volatility or wide bid/ask spreads, which could cause some market makers and Authorized Participants to reduce their market activity or “step away” from making a market in ETF shares. Market makers and Authorized Participants are not obligated to place or execute purchase and redemption orders. This could cause the Fund’s market price to deviate, materially, from the NAV, and reduce the effectiveness of the ETF arbitrage process. Any absence of an active trading market for Fund shares could lead to a heightened risk that there will be a difference between the market price of a Fund share and the underlying value of the Fund share.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Sector Risk: </span>The Fund may have more risk because it may invest to a significant extent in one or more particular market sectors, such as the industrials sector. To the extent it does so, market or economic factors affecting the relevant sector(s) could have a major effect on the value of the Fund’s investments.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Management Risk: </span>The Fund is subject to management risk because it is an actively-managed ETF. The Adviser will apply its investment techniques and risk analyses in making investment decisions, but there is no guarantee that its techniques will produce the intended results. Some of these techniques may incorporate, or rely upon, quantitative models, but there is no guarantee that these models will generate accurate forecasts, reduce risk or otherwise perform as expected.</div> </td> </tr> </table> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">As with all investments, you may lose money by investing in the Fund.</div> BAR CHART AND PERFORMANCE INFORMATION <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">Prior to commencing operations, the Fund acquired the assets and liabilities of AB High Yield Portfolio (the “High Yield Predecessor Fund” or a “Predecessor Fund”), a series of AB Bond Fund, Inc., and adopted the accounting and performance history of that fund and its predecessor (a “Reorganization”), as of the close of business on May 12, 2023. The information shown below for periods prior to the close of business on May 12, 2023 relates to the performance of Advisor Class shares of the High Yield Predecessor Fund. Performance history for the High Yield Predecessor Fund prior to July 26, 2016 reflects the historical performance of AB High Yield Portfolio, a series of The AB Pooling Portfolios. The Fund has the same investment objective, strategies, policies and portfolio management team as the High Yield Predecessor Fund.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The performance of the High Yield Predecessor Fund shown below has not been adjusted to reflect the lower fees and expenses that will be incurred by the Fund. The High Yield Predecessor Fund was a mutual fund, and the average annual total returns as</div> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">shown below are based on NAV per share, and are not based on market prices for an ETF share as traded on an exchange. High Yield Predecessor Fund performance is based on the performance of Advisor Class shares. Prior to the Fund’s acquisition of the High Yield Predecessor Fund, the other share classes of the High Yield Predecessor Fund were converted into Advisor Class shares.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The bar chart and performance information provide an indication of the historical risk of an investment in the Fund by showing:</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;">how the Fund’s performance changed from year to year over ten years; and</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;">how the Fund’s average annual returns for one, five and ten years compare to those of a broad-based securities market index and an additional index that more closely reflects the types of securities in which the Fund invests.</div> </td> </tr> </table> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">You may obtain updated performance information on the website at <span style="text-decoration: underline;">www.abfunds.com</span> (click on “Investments—ETFs”).</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.</div> how the Fund’s performance changed from year to year over ten years; andhow the Fund’s average annual returns for one, five and ten years compare to those of a broad-based securities market index and an additional index that more closely reflects the types of securities in which the Fund invests. www.abfunds.com The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. Bar Chart <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The annual returns in the bar chart are for the Fund’s shares. For periods prior to the close of business on May 12, 2023, the chart reflects returns of the Advisor Class shares of the High Yield Predecessor Fund, which were reorganized into shares of the Fund in the Reorganization.</div> Best Quarter 0.1171 2020-06-30 Worst Quarter -0.1401 2020-03-31 Performance TableAverage Annual Total Returns (For the periods ended December 31, 2025) 0.0891 0.0452 0.0645 0.0598 0.0181 0.0370 0.0521 0.0223 0.0373 0.0777 -0.0009 0.0327 0.0862 0.0450 0.0652 After-tax Returns:–Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and–Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. AB Ultra Short Income ETF INVESTMENT OBJECTIVE <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund’s investment objective is to provide current income, consistent with preservation of capital.</div> FEES AND EXPENSES OF THE FUND <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. <span style="font-weight: bold;">You may be required to pay commissions and/or other forms of compensation to a broker for transactions in shares, which are not reflected in the tables or the examples below.</span></div> Shareholder Fees (fees paid directly from your investment) 0 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) 0.0025 0 0.0000 0.0025 Examples <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Examples assume that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Examples also assume that your investment has a 5% return each year and that the Fund’s operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:</div> 26 80 141 318 Portfolio Turnover <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund pays transaction costs, such as commissions, when it buys or sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Fund Operating Expenses or in the Examples, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 114% of the average value of its portfolio.</div> 1.14 PRINCIPAL STRATEGIES <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund is an actively-managed exchange-traded fund (“ETF”). The Fund will pursue its objective by investing, under normal circumstances, primarily in a mix of U.S. Government and investment grade corporate fixed-income securities. Under normal circumstances, the Fund will maintain a dollar-weighted average duration of less than one year, although it may invest in securities of any duration or maturity. The Fund may invest in mortgage-backed and other asset-backed securities, certificates of deposit and commercial paper. The Fund expects to invest a portion of its assets in<span style="font-weight: bold;"> AB Government Money Market Portfolio</span> (the “Money Market Portfolio”), a series of AB Fixed-Income Shares, Inc. that is managed by the Adviser, to gain exposure to fixed-income securities with shorter durations relative to the Fund’s average duration. The Fund may invest in securities of foreign issuers, which will typically be denominated in U.S. Dollars, and may include securities of both government and corporate issuers. The Fund expects to engage in active and frequent trading of its portfolio securities.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Adviser selects securities for purchase or sale based on the Adviser’s view of market conditions and investment opportunities, and on the Adviser’s assessment of the securities’ risks and return characteristics as well as the securities’ impact on the overall risks and return characteristics of the Fund. In making this assessment, the Adviser takes into account various factors, including primary and secondary market liquidity, the credit quality and sensitivity to interest rates of the securities under consideration, and of the Fund’s other holdings.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">Although not part of its principal investment strategies, the Fund may invest in derivatives.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund is not a money market fund and does not seek to maintain a stable net asset value of $1.00 per share.</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Market Risk:</span> The value of the Fund’s assets will fluctuate as the market or markets in which the Fund invests fluctuate. The value of the Fund’s investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events, including public health crises (including the occurrence of a contagious disease or illness), terrorism, war, changing interest rate levels, the imposition of new or additional tariffs, and regional and global conflicts, that affect large portions of the market.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Credit Risk:</span> An issuer or guarantor of a fixed-income security may be unable or unwilling to make timely payments of interest or principal, or to otherwise honor its obligations. The issuer or guarantor may default, causing a loss of the full principal amount of a security and accrued interest. The degree of risk for a particular security may be reflected in its credit rating. There is the possibility that the credit rating of a fixed-income security may be downgraded after purchase, which may adversely affect the value of the security.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Interest Rate Risk:</span> Changes in interest rates will affect the value of investments in fixed-income securities. When interest rates rise, the value of existing investments in fixed-income securities tends to fall and this decrease in value may not be offset by higher income from new investments. Interest rate risk is generally greater for fixed-income securities with longer maturities or durations. Changing interest rates may have unpredictable effects on the markets, may result in heightened market volatility and may detract from Fund performance. In addition, changes in monetary policy may exacerbate the risks associated with changing interest rates.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Duration Risk:</span> Duration is a measure that relates the expected price volatility of a fixed-income security to changes in interest rates. The duration of a fixed-income security may be shorter than or equal to full maturity of a fixed-income security. Fixed-income securities with longer durations have more risk and will decrease in price as interest rates rise. For example, a fixed-income security with a duration of three years will likely decrease in value by approximately 3% if interest rates increase by 1%.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Inflation Risk:</span> This is the risk that the value of assets or income from investments will be less in the future as inflation decreases the value of money. As inflation increases, the value of the Fund’s assets can decline as can the value of the Fund’s distributions. This risk is significantly greater for fixed-income securities with longer maturities.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Mortgage-Related and Other Asset-Backed Securities Risk:</span> Investments in mortgage-related and other asset-backed securities are subject to certain additional risks. The value of these securities may be particularly sensitive to changes in interest rates. These risks include “extension risk”, which is the risk that, in periods of rising interest rates, issuers may delay the payment of principal, and “prepayment risk”, which is the risk that in periods of falling interest rates, issuers may pay principal sooner than expected, exposing the Fund to a lower rate of return upon reinvestment of principal. Mortgage-backed securities offered by nongovernmental issuers and other asset-backed securities may be subject to other risks, such as higher rates of default in the mortgages or assets backing the securities or risks associated with the nature and servicing of mortgages or assets backing the securities. Some mortgage-backed securities are “TBA” securities, which have additional risks.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Foreign (Non-U.S.) Investments Risk:</span> Investments in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be more difficult to trade than domestic securities due to adverse market, economic, political, regulatory or other factors.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Illiquid Investments Risk:</span> Illiquid investments risk exists when certain investments are or become difficult to purchase or sell. Difficulty in selling such investments may result in sales at disadvantageous prices affecting the value of your investment in the Fund. Causes of illiquid investments risk may include low trading volumes and large positions. Foreign fixed-income securities may have more illiquid investments risk because secondary trading markets for these securities may be smaller and less well-developed and the securities may trade less frequently than domestic securities. Illiquid investments risk may be higher in a rising interest rate environment, when the value and liquidity of fixed-income securities generally go down.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Active Trading Risk:</span> The Fund expects to engage in active and frequent trading of its portfolio securities and its portfolio turnover rate may greatly exceed 100%. A higher rate of portfolio turnover increases transaction costs, which may negatively affect the Fund’s return. In addition, a high rate of portfolio turnover may result in substantial short-term gains, which may have adverse tax consequences for Fund shareholders.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Investment in Other Investment Companies Risk:</span> As with other investments, investments in other investment companies are subject to market and management risk. In addition, shareholders of the Fund bear both their proportionate share of expenses in the Fund (including management fees) and, indirectly, the expenses of the investment companies in which the Fund invests to the extent these expenses are not waived or reimbursed by the Adviser.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">ETF Share Price and Net Asset Value Risk:</span> The Fund’s shares are listed for trading on the NYSE Arca, Inc. (“NYSE Arca” or an “Exchange”). The Fund’s shares are generally bought and sold in the secondary market at market prices. The net asset value per share (“NAV”) of the Fund will fluctuate with changes in the market value of the Fund’s holdings. The Fund’s NAV is calculated once per day, at the end of the day. The market price of a share on an Exchange could be higher than the</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt;">NAV (premium), or lower than the NAV (discount) and may fluctuate during the trading day. When all or a portion of the Fund’s underlying securities trade in a market that is closed when the market for the Fund’s shares is open, there may be differences between the current value of a security and the last quoted price for that security in the closed local market, which could lead to a deviation between the market value of the Fund’s shares and the Fund’s NAV. Disruptions in the creations and redemptions process or the existence of extreme market volatility could result in the Fund’s shares trading above or below NAV. As the Fund may invest in securities traded on foreign exchanges, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share than shares of other ETFs. In addition, in stressed market conditions, the market for Fund shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Authorized Participant Risk:</span> Only a limited number of financial institutions that enter into an authorized participant relationship with the Fund (“Authorized Participants”) may engage in creation or redemption transactions. If the Fund’s Authorized Participants decide not to create or redeem shares, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share, or the Fund could face trading halts or de-listing.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Active Trading Market Risk:</span> There is no guarantee that an active trading market for Fund shares will exist at all times. In times of market stress, markets can suffer erratic or unpredictable trading activity, extraordinary volatility or wide bid/ask spreads, which could cause some market makers and Authorized Participants to reduce their market activity or “step away” from making a market in ETF shares. Market makers and Authorized Participants are not obligated to place or execute purchase and redemption orders. This could cause the Fund’s market price to deviate, materially, from the NAV, and reduce the effectiveness of the ETF arbitrage process. Any absence of an active trading market for Fund shares could lead to a heightened risk that there will be a difference between the market price of a Fund share and the underlying value of the Fund share.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Sector Risk: </span>The Fund may have more risk because it may invest to a significant extent in one or more particular market sectors, such as the financials sector. To the extent it does so, market or economic factors affecting the relevant sector(s) could have a major effect on the value of the Fund’s investments.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Management Risk:</span> The Fund is subject to management risk because it is an actively-managed ETF. The Adviser will apply its investment techniques and risk analyses in making investment decisions, but there is no guarantee that its techniques will produce the intended results. Some of these techniques may incorporate, or rely upon, quantitative models, but there is no guarantee that these models will generate accurate forecasts, reduce risk or otherwise perform as expected.</div> </td> </tr> </table> <div style="margin-top: 12pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">As with all investments, you may lose money by investing in the Fund.</div> BAR CHART AND PERFORMANCE INFORMATION <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The bar chart and performance information provide an indication of the historical risk of an investment in the Fund by showing:</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;">how the Fund’s performance changed from year to year over the life of the Fund; and</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;">how the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index and an additional index that more closely reflects the types of securities in which the Fund invests.</div> </td> </tr> </table> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">You may obtain updated performance information on the website at <span style="text-decoration: underline;">www.abfunds.com</span> (click on “Investments—ETFs”).</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.</div> how the Fund’s performance changed from year to year over the life of the Fund; andhow the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index and an additional index that more closely reflects the types of securities in which the Fund invests. www.abfunds.com The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. Bar Chart <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The annual returns in the bar chart are for the Fund’s shares.</div> Best Quarter 0.0195 2023-12-31 Worst Quarter 0.0073 2024-12-31 Performance TableAverage Annual Total Returns (For the periods ended December 31, 2025) 0.0477 0.0518 0.0294 0.0315 0.0280 0.0308 0.0730 0.0390 0.0440 0.0487 2022-09-14 2022-09-14 2022-09-14 After-tax returns:–Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and–Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. AB Corporate Bond ETF INVESTMENT OBJECTIVE <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s investment objective is to maximize total return through current income and long-term capital appreciation. </div> FEES AND EXPENSES OF THE FUND <div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. <span style="font-weight:bold">You may be required to pay commissions and/or other forms of compensation to a broker for transactions in shares, which are not reflected in the tables or the examples below.</span> </div> Shareholder Fees (fees paid directly from your investment) 0 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) 0.0030 0 0.0000 0.0030 Examples <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Examples assume that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Examples also assume that your investment has a 5% return each year and that the Fund’s operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be: </div> 31 97 169 381 Portfolio Turnover <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund pays transaction costs, such as commissions, when it buys or sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Fund Operating Expenses or in the Examples, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 90% of the average value of its portfolio. </div> 0.90 PRINCIPAL STRATEGIES <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund is an actively-managed exchange-traded fund (“ETF”). The Fund pursues its objective by investing, under normal circumstances, at least 80% of its net assets, including any borrowings for investment purposes, in investment grade fixed-income securities of corporate issuers. Corporate issuers may include corporate or other business entities in which a sovereign or governmental agency or entity may have, indirectly or directly, an interest, including a majority or greater ownership interest. The Fund invests primarily in U.S. Dollar-denominated corporate debt securities issued by U.S. and foreign companies. These investments may include, in each case, developed and emerging market debt securities. The Fund may invest in debt securities of any maturity or duration. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Adviser employs a systematic investment process using a dynamic multifactor approach. This approach, which is implemented by the Adviser through its proprietary research, investment and trading models and algorithms, considers a number of factors in seeking to generate alpha through a bottom-up security selection process. The factors that the Adviser considers in this regard fall into six broad proprietary categories—value, momentum, size, quality, carry, and volatility—with each category containing multiple factors. In making investment assessments, the Adviser considers a total factor score for each security and constructs a portfolio of securities taking into account other portfolio constraints and risks. This process also takes into account a security’s credit quality and sensitivity to interest rates. </div><div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund may invest up to 10% of its net assets in debt securities rated below investment grade (“junk bonds”). </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund expects to use derivatives, such as options, futures contracts, forwards and swaps. Derivatives may provide a more efficient and economical exposure to market segments than direct investments, and may also be a more efficient way to alter the Fund’s exposure. The Fund may, for example, use interest rate futures contracts or swaps to manage the Fund’s average duration. The Adviser may use derivatives to effectively leverage the Fund by creating aggregate market exposure significantly in excess of the Fund’s net assets. </div> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Market Risk:</span> The value of the Fund’s assets will fluctuate as the market or markets in which the Fund invests fluctuate. The value of the Fund’s investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events, including public health crises (including the occurrence of a contagious disease or illness), terrorism, war, changing interest rate levels, the imposition of new or additional tariffs, and regional and global conflicts, that affect large portions of the market. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Credit Risk:</span> An issuer or guarantor of a fixed-income security, or the counterparty to a derivatives or other contract, may be unable or unwilling to make timely payments of interest or principal, or to otherwise honor its obligations. The issuer or guarantor may default, causing a loss of the full principal amount of a security and accrued interest. The degree of risk for a particular security may be reflected in its credit rating. There is the possibility that the credit rating of a fixed-income security may be downgraded after purchase, which may adversely affect the value of the security. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Interest Rate Risk:</span> Changes in interest rates will affect the value of investments in fixed-income securities. When interest rates rise, the value of existing investments in fixed-income securities tends to fall and this decrease in value may not be offset by higher income from new investments. Interest rate risk is generally greater for fixed-income securities with longer maturities or durations. Changing interest rates may have unpredictable effects on the markets, may result in heightened market volatility and may detract from Fund performance. In addition, changes in monetary policy may exacerbate the risks associated with changing interest rates. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Duration Risk:</span> Duration is a measure that relates the expected price volatility of a fixed-income security to changes in interest rates. The duration of a fixed-income security may be shorter than or equal to full maturity of a fixed-income security. Fixed-income securities with longer durations have more risk and will decrease in price as interest rates rise. For example, a fixed-income security with a duration of three years will likely decrease in value by approximately 3% if interest rates increase by 1%. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Inflation Risk:</span> This is the risk that the value of assets or income from investments will be less in the future as inflation decreases the value of money. As inflation increases, the value of the Fund’s assets can decline as can the value of the Fund’s distributions. This risk is significantly greater for fixed-income securities with longer maturities. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Foreign (Non-U.S.) Investments Risk:</span> Investments in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be more difficult to trade than domestic securities due to adverse market, economic, political, regulatory or other factors. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Leverage Risk:</span> To the extent the Fund uses leveraging techniques, such as derivatives, its net asset value (“NAV”) may be more volatile because leverage tends to exaggerate the effect of changes in interest rates and any increase or decrease in the value of the Fund’s investments. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Derivatives Risk:</span> Derivatives may be difficult to price or unwind and may be leveraged so that small changes may produce disproportionate losses for the Fund. A short position in a derivative instrument involves the risk of a theoretically unlimited increase in the value of the underlying asset, reference rate or index, which could cause the Fund to suffer a potentially unlimited loss. Derivatives, especially over-the-counter derivatives, are also subject to counterparty risk, which is the risk that the counterparty (the party on the other side of the transaction) on a derivative transaction will be unable or unwilling to honor its contractual obligations to the Fund. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Illiquid Investments Risk:</span> Illiquid investments risk exists when certain investments are or become difficult to purchase or sell. Difficulty in selling such investments may result in sales at disadvantageous prices affecting the value of your investment in the Fund. Causes of illiquid investments risk may include low trading volumes and large positions. Foreign fixed-income securities may have more illiquid investments risk because secondary trading markets for these securities may be smaller and less well-developed and the securities may trade less frequently than domestic securities. Illiquid investments risk may be higher in a rising interest rate environment, when the value and liquidity of fixed-income securities generally go down. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Below Investment Grade Securities Risk:</span> Investments in fixed-income securities with lower ratings (commonly known as “junk bonds”) are subject to a higher probability that an issuer will default or fail to meet its payment obligations. These securities may be subject to greater price volatility due to such factors as specific municipal or corporate developments and negative performance of the junk bond market generally and may be more difficult to trade than other types of securities. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Active Trading Risk:</span> The Fund expects to engage in active and frequent trading of its portfolio securities and its portfolio turnover rate may greatly exceed 100%. A higher rate of portfolio turnover increases transaction costs, which may negatively affect the Fund’s return. In addition, a high rate of portfolio turnover may result in substantial short-term gains, which may have adverse tax consequences for Fund shareholders. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Cash Transactions Risk:</span> The Fund intends to effectuate all or a portion of the issuance and redemption of Creation Units (as defined below) for cash, rather than in-kind securities. As a result, an investment in the Fund is expected to be less tax-efficient than an investment in an ETF that effectuates its transactions in Creation Units primarily on an in-kind basis. A fund that effects redemptions for cash may be required to sell portfolio securities in order to obtain the cash needed to distribute redemption proceeds. Any recognized gain on these sales by the Fund will generally cause the Fund to recognize a gain it might not otherwise have recognized, or to recognize such gain sooner than would otherwise be required as compared to an ETF that distributes portfolio securities in-kind in redemption of Creation Units. The Fund intends to distribute gains that arise by virtue of the issuance and redemption of Creation Units being effectuated in cash to shareholders to avoid being taxed on this gain at the fund level and otherwise comply with applicable tax requirements. This may cause shareholders to be subject to tax on gains to which they would not otherwise be subject, or at an earlier date than if they had made an investment in another ETF. Moreover, cash transactions may have to be carried out over several days if the securities market is relatively illiquid and may involve considerable brokerage fees and taxes. Brokerage fees, which will be higher than if the Fund sold and redeemed its shares principally in-kind, will be passed on to those purchasing and redeeming Creation Units in the form of creation and redemption transaction fees. In addition, these factors may result in wider spreads between the bid and ask prices of Fund shares than for ETFs that receive and distribute portfolio securities in-kind. The Fund’s use of cash for creations and redemptions could also result in dilution to the Fund and increased transaction costs, which could negatively impact the Fund’s ability to achieve its investment objective. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">ETF Share Price and Net Asset Value Risk:</span> The Fund’s shares are listed for trading on the Nasdaq Stock Market LLC (“Nasdaq” or an “Exchange”). Shares are generally bought and sold in the secondary market at market prices. The NAV per share of the Fund will fluctuate with changes in the market value of the Fund’s holdings. The Fund’s NAV is calculated once per day, at the end of the day. The market price of a share on an Exchange could be higher than the NAV (premium), or lower than the NAV (discount) and may fluctuate during the trading day. When all or a portion of the Fund’s underlying securities trade in a market that is closed when the market for the Fund’s shares is open, there may be differences between the current value of a security and the last quoted price for that security in the closed local market, which could lead to a deviation between the market value of the Fund’s shares and the Fund’s NAV. Disruptions in the creations and redemptions process or the existence of extreme market volatility could result in the Fund’s shares trading above or below NAV. As the Fund may invest in securities traded on foreign exchanges, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share than shares of other ETFs. In addition, in stressed market conditions, the market for Fund shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Authorized Participant Risk:</span> Only a limited number of financial institutions that enter into an authorized participant relationship with the Fund (“Authorized Participants”) may engage in creation or redemption transactions. If the Fund’s Authorized Participants decide not to create or redeem shares, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share, or the Fund could face trading halts or de-listing. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Active Trading Market Risk:</span> There is no guarantee that an active trading market for Fund shares will exist at all times. In times of market stress, markets can suffer erratic or unpredictable trading activity, extraordinary volatility or wide bid/ask spreads, which could cause some market makers and Authorized Participants to reduce their market activity or “step away” from making a market in ETF shares. Market makers and Authorized Participants are not obligated to place or execute purchase and redemption orders. This could cause the Fund’s market price to deviate, materially, from the NAV, and reduce the effectiveness of the ETF arbitrage process. Any absence of an active trading market for Fund shares could lead to a heightened risk that there will be a difference between the market price of a Fund share and the underlying value of the Fund share. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Sector Risk: </span>The Fund may have more risk because it may invest to a significant extent in one or more particular market sectors, such as the industrials and financials sectors. To the extent it does so, market or economic factors affecting the relevant sector(s) could have a major effect on the value of the Fund’s investments. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Management Risk:</span> The Fund is subject to management risk because it is an actively-managed ETF. The Adviser will apply its investment techniques and risk analyses in making investment decisions, but there is no guarantee that its techniques will produce the intended results. Many of these techniques incorporate, or rely upon, quantitative models, but there is no guarantee that these models will generate accurate forecasts, reduce risk or otherwise perform as expected. </div> </td> </tr> </table> <div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">As with all investments, you may lose money by investing in the Fund. </div> BAR CHART AND PERFORMANCE INFORMATION <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The bar chart and performance information provide an indication of the historical risk of an investment in the Fund by showing: </div><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;">how the Fund’s performance changed from year to year over the life of the Fund; and </div> </td> </tr> </table><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;">how the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index. </div> </td> </tr> </table><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">You may obtain updated performance information on the website at <span style="text-decoration:underline">www.abfunds.com</span> (click on “Investments—ETFs”). </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. </div> how the Fund’s performance changed from year to year over the life of the Fund; and how the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index. www.abfunds.com The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. Bar Chart <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The annual returns in the bar chart are for the Fund’s shares. </div> Best Quarter 0.0581 2024-09-30 Worst Quarter -0.0287 2024-12-31 Performance Table Average Annual Total Returns (For the periods ended December 31, 2025) 0.0759 0.0667 0.0543 0.0432 0.0445 0.0408 0.0777 0.0622 2023-12-13 2023-12-13 2023-12-13 After-tax returns: –Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and–Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. AB Core Plus Bond ETF INVESTMENT OBJECTIVE <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund’s investment objective is to maximize total return through current income and long-term capital appreciation.</div> FEES AND EXPENSES OF THE FUND <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. <span style="font-weight: bold;">You may be required to pay commissions and/or other forms of compensation to a broker for transactions in shares, which are not reflected in the tables or the examples below.</span></div> Shareholder Fees (fees paid directly from your investment) 0 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) 0.0030 0 0.0000 0.0030 Management Fees have been restated to reflect a contractual reduction in management fees effective February 7, 2025. Examples <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Examples assume that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Examples also assume that your investment has a 5% return each year and that the Fund’s operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:</div> 31 97 169 381 Portfolio Turnover <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund pays transaction costs, such as commissions, when it buys or sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Fund Operating Expenses or in the Examples, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 114% of the average value of its portfolio.</div> 1.14 PRINCIPAL STRATEGIES <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund is an actively-managed exchange-traded fund (“ETF”). The Fund pursues its objective by investing, under normal circumstances, at least 80% of its net assets, including any borrowings for investment purposes, in fixed-income securities. The Fund may invest in a broad range of debt securities, including corporate bonds and debt and mortgage- and other asset-backed securities issued by U.S. Government-sponsored entities and federal agencies and instrumentalities that are not backed by the full faith and credit of the U.S. Government. The Fund expects to invest in readily marketable fixed-income securities with a range of maturities from short- to long-term with relatively attractive yields that do not involve undue risk of loss of capital. The Fund may invest up to 15% of its net assets in debt securities rated below investment grade (“junk bonds”). The Fund may invest in debt securities of any maturity or duration. The Fund may use leverage for investment purposes.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund may invest without limit in U.S. Dollar-denominated foreign fixed-income securities. These investments may include, in each case, developed and emerging market debt securities.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Adviser employs a systematic investment process using a dynamic multifactor approach. This approach, which is implemented by the Adviser through its proprietary research, investment and trading models and algorithms, considers a number of factors in seeking to generate alpha through a bottom-up security selection process. The factors that the Adviser considers in this regard fall into six broad proprietary categories—value, momentum, size, quality, carry, and volatility—with each category containing multiple factors. In making investment assessments, the Adviser considers a total factor score for each security and constructs a portfolio of securities taking into account other portfolio constraints and risks. This process also takes into account a security’s credit quality and sensitivity to interest rates.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund may invest in mortgage-related and other asset-backed securities, loan participations and assignments, inflation-indexed securities, variable, floating, and inverse floating-rate instruments and preferred stock, and may use other investment techniques. The Fund may, among other things, enter into transactions such as reverse repurchase agreements and dollar rolls. The Fund may invest in derivatives, such as options, futures contracts, forwards, or swaps. Derivatives may provide more efficient and economical exposure to fixed-income securities markets than direct investments. The Fund may use derivatives to hedge against specific risks, to increase income or gain, or to increase market exposure in excess of the Fund’s net assets.</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Market Risk:</span> The value of the Fund’s assets will fluctuate as the market or markets in which the Fund invests fluctuate. The value of the Fund’s investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events, including public health crises (including the occurrence of a contagious disease or illness), terrorism, war, changing interest rate levels, the imposition of new or additional tariffs, and regional and global conflicts, that affect large portions of the market.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Credit Risk:</span> An issuer or guarantor of a fixed-income security, or the counterparty to a derivatives or other contract, may be unable or unwilling to make timely payments of interest or principal, or to otherwise honor its obligations. The issuer or guarantor may default, causing a loss of the full principal amount of a security and accrued interest. The degree of risk for a particular security may be reflected in its credit rating. There is the possibility that the credit rating of a fixed-income security may be downgraded after purchase, which may adversely affect the value of the security.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Interest Rate Risk:</span> Changes in interest rates will affect the value of investments in fixed-income securities. When interest rates rise, the value of existing investments in fixed-income securities tends to fall and this decrease in value may not be offset by higher income from new investments. Interest rate risk is generally greater for fixed-income securities with longer maturities or durations. Changing interest rates may have unpredictable effects on the markets, may result in heightened market volatility and may detract from Fund performance. In addition, changes in monetary policy may exacerbate the risks associated with changing interest rates.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Below Investment Grade Securities Risk:</span> Investments in fixed-income securities with lower ratings (commonly known as “junk bonds”) are subject to a higher probability that an issuer will default or fail to meet its payment obligations. These securities may be subject to greater price volatility due to such factors as specific municipal or corporate developments and negative performance of the junk bond market generally and may be more difficult to trade than other types of securities.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Tax Risk:</span> From time to time, the U.S. Government and the U.S. Congress consider changes in federal tax law that could limit or eliminate the federal tax exemption for municipal bond income, which would in effect reduce the income received by shareholders from the Fund by increasing taxes on that income. In such event, the Fund’s net asset value (“NAV”) could also decline as yields on municipal bonds, which are typically lower than those on taxable bonds, would be expected to increase to approximately the yield of comparable taxable bonds. Actions or anticipated actions affecting the tax-exempt status of municipal bonds could also result in significant shareholder redemptions of Fund shares as investors anticipate adverse effects on the Fund or seek higher yields to offset the potential loss of the tax deduction. As a result, the Fund would be required to maintain higher levels of cash to meet the redemptions, which would negatively affect the Fund’s yield.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Duration Risk:</span> Duration is a measure that relates the expected price volatility of a fixed-income security to changes in interest rates. The duration of a fixed-income security may be shorter than or equal to full maturity of a fixed-income security. Fixed-income securities with longer durations have more risk and will decrease in price as interest rates rise. For example, a fixed-income security with a duration of three years will likely decrease in value by approximately 3% if interest rates increase by 1%.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Inflation Risk:</span> This is the risk that the value of assets or income from investments will be less in the future as inflation decreases the value of money. As inflation increases, the value of the Fund’s assets can decline as can the value of the Fund’s distributions. This risk is significantly greater for fixed-income securities with longer maturities.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Mortgage-Related and Other Asset-Backed Securities Risk:</span> Investments in mortgage-related and other asset-backed securities are subject to certain additional risks. The value of these securities may be particularly sensitive to changes in interest rates. These risks include “extension risk”, which is the risk that, in periods of rising interest rates, issuers may delay the payment of principal, and “prepayment risk”, which is the risk that in periods of falling interest rates, issuers may pay principal sooner</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt;">than expected, exposing the Fund to a lower rate of return upon reinvestment of principal. Mortgage-backed securities offered by nongovernmental issuers and other asset-backed securities may be subject to other risks, such as higher rates of default in the mortgages or assets backing the securities or risks associated with the nature and servicing of mortgages or assets backing the securities. Some mortgage-backed securities are “TBA” securities, which have additional risks.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Foreign (Non-U.S.) Investments Risk:</span> Investments in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be more difficult to trade than domestic securities due to adverse market, economic, political, regulatory or other factors.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Emerging Market Risk:</span> Investments in emerging market countries may involve more risks than investments in other foreign countries because the markets are less developed, less liquid and are subject to increased potential for market manipulation, and increased economic, political, regulatory or other uncertainties.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Currency Risk:</span> Fluctuations in currency exchange rates may negatively affect the value of the Fund’s investments or reduce its returns.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Illiquid Investments Risk:</span> Illiquid investments risk exists when certain investments are or become difficult to purchase or sell. Difficulty in selling such investments may result in sales at disadvantageous prices affecting the value of your investment in the Fund. Causes of illiquid investments risk may include low trading volumes and large positions. Foreign fixed-income securities may have more illiquid investments risk because secondary trading markets for these securities may be smaller and less well-developed and the securities may trade less frequently than domestic securities. Illiquid investments risk may be higher in a rising interest rate environment, when the value and liquidity of fixed-income securities generally go down.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Leverage Risk:</span> To the extent the Fund uses leveraging techniques, such as derivatives, its NAV may be more volatile because leverage tends to exaggerate the effect of changes in interest rates and any increase or decrease in the value of the Fund’s investments.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Derivatives Risk:</span> Derivatives may be difficult to price or unwind and may be leveraged so that small changes may produce disproportionate losses for the Fund. A short position in a derivative instrument involves the risk of a theoretically unlimited increase in the value of the underlying asset, reference rate or index, which could cause the Fund to suffer a potentially unlimited loss. Derivatives, especially over-the-counter derivatives, are also subject to counterparty risk, which is the risk that the counterparty (the party on the other side of the transaction) on a derivative transaction will be unable or unwilling to honor its contractual obligations to the Fund.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Variable and Floating-Rate Securities Risk:</span> Variable and floating-rate securities pay interest at rates that are adjusted periodically, according to a specific formula. Because the interest rate is reset only periodically, changes in the interest rate on these securities may lag behind changes in the prevailing market interest rates. The value of the security may rise or fall depending on changes in interest rates between periodic resets.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Active Trading Risk:</span> The Fund expects to engage in active and frequent trading of its portfolio securities and its portfolio turnover rate may greatly exceed 100%. A higher rate of portfolio turnover increases transaction costs, which may negatively affect the Fund’s return. In addition, a high rate of portfolio turnover may result in substantial short-term gains, which may have adverse tax consequences for Fund shareholders.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Cash Transactions Risk:</span> The Fund intends to effectuate all or a portion of the issuance and redemption of Creation Units (as defined below) for cash, rather than in-kind securities. As a result, an investment in the Fund is expected to be less tax-efficient than an investment in an ETF that effectuates its transactions in Creation Units primarily on an in-kind basis. A fund that effects redemptions for cash may be required to sell portfolio securities in order to obtain the cash needed to distribute redemption proceeds. Any recognized gain on these sales by the Fund will generally cause the Fund to recognize a gain it might not otherwise have recognized, or to recognize such gain sooner than would otherwise be required as compared to an ETF that distributes portfolio securities in-kind in redemption of Creation Units. The Fund intends to distribute gains that arise by virtue of the issuance and redemption of Creation Units being effectuated in cash to shareholders to avoid being taxed on this gain at the fund level and otherwise comply with applicable tax requirements. This may cause shareholders to be subject to tax on gains to which they would not otherwise be subject, or at an earlier date than if they had made an investment in another ETF. Moreover, cash transactions may have to be carried out over several days if the securities market is relatively illiquid and may involve considerable brokerage fees and taxes. Brokerage fees, which will be higher than if the Fund sold and redeemed its shares principally in-kind, will be passed on to those purchasing and redeeming Creation Units in the form of creation and redemption transaction fees. In addition, these factors may result in wider spreads between the bid and ask prices of Fund shares than for ETFs that receive and distribute portfolio securities in-kind. The Fund’s use of cash for creations and redemptions could also result in dilution to the Fund and increased transaction costs, which could negatively impact the Fund’s ability to achieve its investment objective.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">ETF Share Price and Net Asset Value Risk:</span> The Fund’s shares are listed for trading on the Nasdaq Stock Market LLC (“Nasdaq” or an “Exchange”). Shares are generally bought and sold in the secondary market at market prices. The NAV per share of the Fund will fluctuate with changes in the market value of the Fund’s holdings. The Fund’s NAV is calculated once per day, at the end of the day. The market price of a share on an Exchange could be higher than the NAV (premium), or lower than the NAV (discount) and may fluctuate during the trading day. When all or a portion of the Fund’s underlying securities trade in a market that is closed when the market for the Fund’s shares is open, there may be differences between the current value of a security and the last quoted price for that security in the closed local market, which could lead to a deviation between the market value of the Fund’s shares and the Fund’s NAV. Disruptions in the creations and redemptions process or the existence of extreme market volatility could result in the Fund’s shares trading above or below NAV. As the Fund may invest in securities traded on foreign exchanges, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share than shares of other ETFs. In addition, in stressed market conditions, the market for Fund shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Authorized Participant Risk:</span> Only a limited number of financial institutions that enter into an authorized participant relationship with the Fund (“Authorized Participants”) may engage in creation or redemption transactions. If the Fund’s Authorized Participants decide not to create or redeem shares, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share, or the Fund could face trading halts or de-listing.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Active Trading Market Risk:</span> There is no guarantee that an active trading market for Fund shares will exist at all times. In times of market stress, markets can suffer erratic or unpredictable trading activity, extraordinary volatility or wide bid/ask spreads, which could cause some market makers and Authorized Participants to reduce their market activity or “step away” from making a market in ETF shares. Market makers and Authorized Participants are not obligated to place or execute purchase and redemption orders. This could cause the Fund’s market price to deviate, materially, from the NAV, and reduce the effectiveness of the ETF arbitrage process. Any absence of an active trading market for Fund shares could lead to a heightened risk that there will be a difference between the market price of a Fund share and the underlying value of the Fund share.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Sector Risk: </span>The Fund may have more risk because it may invest to a significant extent in one or more particular market sectors, such as the industrials sector. To the extent it does so, market or economic factors affecting the relevant sector(s) could have a major effect on the value of the Fund’s investments.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Management Risk:</span> The Fund is subject to management risk because it is an actively-managed ETF. The Adviser will apply its investment techniques and risk analyses in making investment decisions, but there is no guarantee that its techniques will produce the intended results. Many of these techniques incorporate, or rely upon, quantitative models, but there is no guarantee that these models will generate accurate forecasts, reduce risk or otherwise perform as expected.</div> </td> </tr> </table> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">As with all investments, you may lose money by investing in the Fund.</div> BAR CHART AND PERFORMANCE INFORMATION <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The bar chart and performance information provide an indication of the historical risk of an investment in the Fund by showing:</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;">how the Fund’s performance changed from year to year over the life of the Fund; and</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;">how the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index.</div> </td> </tr> </table> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">You may obtain updated performance information on the website at <span style="text-decoration: underline;">www.abfunds.com</span> (click on “Investments—ETFs”).</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.</div> how the Fund’s performance changed from year to year over the life of the Fund; andhow the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index. www.abfunds.com The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. Bar Chart <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The annual returns in the bar chart are for the Fund’s shares.</div> Best Quarter 0.0506 2024-09-30 Worst Quarter -0.0281 2024-12-31 Performance Table Average Annual Total Returns (For the periods ended December 31, 2025) 0.0712 0.0560 0.0511 0.0362 0.0419 0.0343 0.0730 0.0543 2023-12-13 2023-12-13 2023-12-13 After-tax returns:–Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and–Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. AB Short Duration Income ETF INVESTMENT OBJECTIVE <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund’s investment objective is to seek high current income consistent with preservation of capital.</div> FEES AND EXPENSES OF THE FUND <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. <span style="font-weight: bold;"></span><span style="font-weight: bold;">You may be required to pay commissions and/or other forms of compensation to a broker for transactions in shares, which are not reflected in the tables or the examples below.</span><span style="font-weight: bold;"></span></div> Shareholder Fees (fees paid directly from your investment) 0 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) 0.0030 0 0.0000 0.0030 Examples <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Examples assume that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Examples also assume that your investment has a 5% return each year and that the Fund’s operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:</div> 31 97 169 381 Portfolio Turnover <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund pays transaction costs, such as commissions, when it buys or sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Fund Operating Expenses or in the Examples, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 73% of the average value of its portfolio.</div> 0.73 PRINCIPAL STRATEGIES <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund is an actively-managed exchange-traded fund (“ETF”). The Fund pursues its objective by investing, under normal circumstances, at least 80% of its net assets, including any borrowings for investment purposes, in income-producing securities. The Fund also normally invests at least 65% of its total assets in investment grade debt securities of various types. Under normal circumstances, the Fund will typically maintain a dollar-weighted average duration of less than three years, although it may invest in securities of any duration or maturity.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund may invest in non-government fixed-income securities, including corporate debt securities, non-government mortgage-backed and other asset-backed securities, certificates of deposit and commercial paper. The Fund also invests in securities of U.S. and foreign governments and their agencies and instrumentalities (including mortgage-backed securities), derivatives related to such securities, and repurchase agreements relating to U.S. Government securities. The Fund may invest up to 35% of its net assets in below investment grade securities (commonly known as “junk bonds”). The Fund’s investments in foreign securities may include both government and corporate securities, and securities of emerging market countries or of issuers in emerging markets.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Adviser selects securities for purchase or sale based on its assessment of the securities’ risks and return characteristics as well as the securities’ impact on the overall risks and return characteristics of the Fund. In making this assessment, the Adviser takes into account various factors, including the credit quality and sensitivity to interest rates of the securities under consideration and of the Fund’s other holdings.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund may utilize derivatives, such as options, futures contracts, forwards and swaps. The Fund may, for example, use interest rate futures contracts and swaps to establish exposure to the fixed-income markets or particular fixed-income securities. Derivatives may provide a more efficient and economical exposure to market segments than direct investments, and may also be a more efficient way to alter the Fund’s exposure. The Fund may also enter into transactions such as reverse repurchase agreements that are similar to borrowings for investment purposes. The Fund’s use of derivatives and these borrowing transactions may create aggregate exposure that is substantially in excess of its net assets, effectively leveraging the Fund.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Adviser may hedge the foreign currency exposure resulting from the Fund’s security positions, and may take long or short positions in currencies, through the use of currency-related derivatives.</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Market Risk:</span> The value of the Fund’s assets will fluctuate as the market or markets in which the Fund invests fluctuate. The value of the Fund’s investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events, including public health crises (including the occurrence of a contagious disease or illness), terrorism, war, changing interest rate levels, the imposition of new or additional tariffs, and regional and global conflicts, that affect large portions of the market.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Credit Risk:</span> An issuer or guarantor of a fixed-income security, or the counterparty to a derivatives or other contract, may be unable or unwilling to make timely payments of interest or principal, or to otherwise honor its obligations. The issuer or guarantor may default, causing a loss of the full principal amount of a security and accrued interest. The degree of risk for a particular security may be reflected in its credit rating. There is the possibility that the credit rating of a fixed-income security may be downgraded after purchase, which may adversely affect the value of the security.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Below Investment Grade Securities Risk:</span> Investments in fixed-income securities with lower ratings (commonly known as “junk bonds”) are subject to a higher probability that an issuer will default or fail to meet its payment obligations. These securities may be subject to greater price volatility due to such factors as specific corporate developments and negative perceptions of the junk bond market generally and may be more difficult to trade than other types of securities.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Interest Rate Risk:</span> Changes in interest rates will affect the value of investments in fixed-income securities. When interest rates rise, the value of existing investments in fixed-income securities tends to fall and this decrease in value may not be offset by higher income from new investments. Interest rate risk is generally greater for fixed-income securities with longer maturities or durations. Changing interest rates may have unpredictable effects on the markets, may result in heightened market volatility and may detract from Fund performance. In addition, changes in monetary policy may exacerbate the risks associated with changing interest rates.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Duration Risk:</span> Duration is a measure that relates the expected price volatility of a fixed-income security to changes in interest rates. The duration of a fixed-income security may be shorter than or equal to full maturity of a fixed-income security. Fixed-income securities with longer durations have more risk and will decrease in price as interest rates rise. For example, a fixed-income security with a duration of three years will likely decrease in value by approximately 3% if interest rates increase by 1%.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Inflation Risk:</span> This is the risk that the value of assets or income from investments will be less in the future as inflation decreases the value of money. As inflation increases, the value of the Fund’s assets can decline as can the value of the Fund’s distributions. This risk is significantly greater for fixed-income securities with longer maturities.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Mortgage-Related and Other Asset-Backed Securities Risk:</span> Investments in mortgage-related and other asset-backed securities are subject to certain additional risks. The value of these securities may be particularly sensitive to changes in interest rates. These risks include “extension risk”, which is the risk that, in periods of rising interest rates, issuers may delay the payment of principal, and “prepayment risk”, which is the risk that in periods of falling interest rates, issuers may pay principal sooner than expected, exposing the Fund to a lower rate of return upon reinvestment of principal. Mortgage-backed securities offered by nongovernmental issuers and other asset-backed securities may be subject to other risks, such as higher rates of default in the mortgages or assets backing the securities or risks associated with the nature and servicing of mortgages or assets backing the securities. Some mortgage-backed securities are “TBA” securities, which have additional risks.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Foreign (Non-U.S.) Investments Risk:</span> Investments in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be more difficult to trade than domestic securities due to adverse market, economic, political, regulatory or other factors.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Emerging Market Risk:</span> Investments in emerging market countries may involve more risks than investments in other foreign countries because the markets are less developed, less liquid and are subject to increased potential for market manipulation, and increased economic, political, regulatory or other uncertainties.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Derivatives Risk:</span> Derivatives may be difficult to price or unwind and may be leveraged so that small changes may produce disproportionate losses for the Fund. A short position in a derivative instrument involves the risk of a theoretically unlimited increase in the value of the underlying asset, reference rate or index, which could cause the Fund to suffer a potentially unlimited loss. Derivatives, especially over-the-counter derivatives, are also subject to counterparty risk, which is the risk that the counterparty (the party on the other side of the transaction) on a derivative transaction will be unable or unwilling to honor its contractual obligations to the Fund.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Leverage Risk:</span> To the extent the Fund uses leveraging techniques, such as derivatives, its net asset value (“NAV”) may be more volatile because leverage tends to exaggerate the effect of changes in interest rates and any increase or decrease in the value of the Fund’s investments.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Currency Risk:</span> Fluctuations in currency exchange rates may negatively affect the value of the Fund’s investments or reduce its returns.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Illiquid Investments Risk:</span> Illiquid investments risk exists when certain investments are or become difficult to purchase or sell. Difficulty in selling such investments may result in sales at disadvantageous prices affecting the value of your investment in the Fund. Causes of illiquid investments risk may include low trading volumes and large positions. Foreign fixed-income securities may have more illiquid investments risk because secondary trading markets for these securities may be smaller and less well-developed and the securities may trade less frequently than domestic securities. Illiquid investments risk may be higher in a rising interest rate environment, when the value and liquidity of fixed-income securities generally go down.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Cash Transactions Risk:</span> The Fund intends to effectuate all or a portion of the issuance and redemption of Creation Units (as defined below) for cash, rather than in-kind securities. As a result, an investment in the Fund is expected to be less tax-efficient than an investment in an ETF that effectuates its transactions in Creation Units primarily on an in-kind basis. A fund that effects redemptions for cash may be required to sell portfolio securities in order to obtain the cash needed to distribute redemption proceeds. Any recognized gain on these sales by the Fund will generally cause the Fund to recognize a gain it might not otherwise have recognized, or to recognize such gain sooner than would otherwise be required as compared to an ETF that distributes portfolio securities in-kind in redemption of Creation Units. The Fund intends to distribute gains that arise by virtue of the issuance and redemption of Creation Units being effectuated in cash to shareholders to avoid being taxed on this gain at the fund level and otherwise comply with applicable tax requirements. This may cause shareholders to be subject to tax on gains to which they would not otherwise be subject, or at an earlier date than if they had made an investment in another ETF. Moreover, cash transactions may have to be carried out over several days if the securities market is relatively illiquid and may involve considerable brokerage fees and taxes. Brokerage fees, which will be higher than if the Fund sold and redeemed its shares principally in-kind, will be passed on to those purchasing and redeeming Creation Units in the form of creation and redemption transaction fees. In addition, these factors may result in wider spreads between the bid and ask prices of Fund shares than for ETFs that receive and distribute portfolio securities in-kind. The Fund’s use of cash for creations and redemptions could also result in dilution to the Fund and increased transaction costs, which could negatively impact the Fund’s ability to achieve its investment objective.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">ETF Share Price and Net Asset Value Risk:</span> The Fund’s shares are listed for trading on the NYSE Arca, Inc. (“NYSE Arca” or an “Exchange”). Shares are generally bought and sold in the secondary market at market prices. The NAV per share of the Fund will fluctuate with changes in the market value of the Fund’s holdings. The Fund’s NAV is calculated once per day, at the end of the day. The market price of a share on an Exchange could be higher than the NAV (premium), or lower than the NAV (discount) and may fluctuate during the trading day. When all or a portion of the Fund’s underlying securities trade in a market that is closed when the market for the Fund’s shares is open, there may be differences between the current value of a security and the last quoted price for that security in the closed local market, which could lead to a deviation between the market value of the Fund’s shares and the Fund’s NAV. Disruptions in the creations and redemptions process or the existence of extreme market volatility could result in the Fund’s shares trading above or below NAV. As the Fund may invest in securities traded on foreign exchanges, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share than shares of other ETFs. In addition, in stressed market conditions, the market for Fund shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Authorized Participant Risk:</span> Only a limited number of financial institutions that enter into an authorized participant relationship with the Fund (“Authorized Participants”) may engage in creation or redemption transactions. If the Fund’s Authorized Participants decide not to create or redeem shares, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share, or the Fund could face trading halts or de-listing.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Active Trading Market Risk:</span> There is no guarantee that an active trading market for Fund shares will exist at all times. In times of market stress, markets can suffer erratic or unpredictable trading activity, extraordinary volatility or wide bid/ask spreads, which could cause some market makers and Authorized Participants to reduce their market activity or “step away” from making a market in ETF shares. Market makers and Authorized Participants are not obligated to place or execute purchase and redemption orders. This could cause the Fund’s market price to deviate, materially, from the NAV, and reduce the effectiveness of the ETF arbitrage process. Any absence of an active trading market for Fund shares could lead to a heightened risk that there will be a difference between the market price of a Fund share and the underlying value of the Fund share.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Management Risk:</span> The Fund is subject to management risk because it is an actively-managed ETF. The Adviser will apply its investment techniques and risk analyses in making investment decisions, but there is no guarantee that its techniques will produce the intended results. Some of these techniques may incorporate, or rely upon, quantitative models, but there is no guarantee that these models will generate accurate forecasts, reduce risk or otherwise perform as expected.</div> </td> </tr> </table> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">As with all investments, you may lose money by investing in the Fund.</div> BAR CHART AND PERFORMANCE INFORMATION <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">Prior to commencing operations, the Fund acquired the assets and liabilities of AB Short Duration Income Portfolio (the “Short Duration Income Predecessor Fund” or a “Predecessor Fund”), a series of AB Bond Fund, Inc., and adopted the accounting and performance history of that fund (a “Reorganization”), as of the close of business on June 7, 2024. The information shown below for periods prior to the close of business on June 7, 2024 relates to the performance of Advisor Class shares of the Short Duration Income Predecessor Fund. The Fund has the same investment objective, strategies, policies and portfolio management team as the Short Duration Income Predecessor Fund.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The performance of the Short Duration Income Predecessor Fund shown below has not been adjusted to reflect the lower fees and expenses that will be incurred by the Fund. The Short Duration Income Predecessor Fund was a mutual fund, and the average annual total returns as shown below are based on NAV per share, and are not based on market prices for an ETF share as traded on an exchange. Short Duration Income Predecessor Fund performance is based on the performance of Advisor Class shares. Prior to the Fund’s acquisition of the Short Duration Income Predecessor Fund, the other share classes of the Short Duration Income Predecessor Fund were converted into Advisor Class shares.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The bar chart and performance information provide an indication of the historical risk of an investment in the Fund by showing:</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;">how the Fund’s performance changed from year to year over the life of the Fund; and</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;">how the Fund’s average annual returns for one year, five years and since inception compare to those of a broad-based securities market index and an additional index that more closely reflects the types of securities in which the Fund invests.</div> </td> </tr> </table> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">You may obtain updated performance information at <span style="text-decoration: underline;">www.abfunds.com</span> (click on “Investments—ETFs”).</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.</div> how the Fund’s performance changed from year to year over the life of the Fund; andhow the Fund’s average annual returns for one year, five years and since inception compare to those of a broad-based securities market index and an additional index that more closely reflects the types of securities in which the Fund invests. www.abfunds.com The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. Bar Chart <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The annual returns in the bar chart are for the Fund’s shares. For periods prior to the close of business on June 7, 2024, the chart reflects returns of the Advisor Class shares of the Short Duration Income Predecessor Fund, which were reorganized into shares of the Fund in the Reorganization.</div> Best Quarter 0.0456 2020-06-30 Worst Quarter -0.0552 2020-03-31 Performance Table Average Annual Total Returns (For the periods ended December 31, 2025) 0.0636 0.0223 0.0312 0.0435 0.0038 0.0125 0.0373 0.0089 0.0157 0.0730 -0.0036 0.0212 0.0611 0.0156 0.0259 After-tax returns:–Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and–Are not relevant to investors who hold Short Duration Income Predecessor Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. 2018-12-12 2018-12-12 2018-12-12 AB Short Duration High Yield ETF INVESTMENT OBJECTIVE <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund’s investment objective is to seek the highest level of income that is available without assuming what the Adviser considers to be undue risk to principal.</div> FEES AND EXPENSES OF THE FUND <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. <span style="font-weight: bold;">You may be required to pay commissions and/or other forms of compensation to a broker for transactions in shares, which are not reflected in the tables or the examples below.</span></div> Shareholder Fees (fees paid directly from your investment) 0 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) 0.0040 0 0.0000 0.0040 Examples <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Examples assume that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Examples also assume that your investment has a 5% return each year and that the Fund’s operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:</div> 41 128 224 505 Portfolio Turnover <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund pays transaction costs, such as commissions, when it buys or sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Fund Operating Expenses or in the Examples, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 72% of the average value of its portfolio.</div> 0.72 PRINCIPAL STRATEGIES <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund is an actively-managed exchange-traded fund (“ETF”). Under normal market conditions, the Fund invests at least 80% of its net assets, including any borrowings for investment purposes, in debt securities that are rated below investment grade (commonly known as “junk bonds”), unrated securities considered by the Adviser to be of comparable quality, and related derivatives. Under normal circumstances, the Fund will maintain a dollar-weighted average duration of less than four years, although it may invest in individual fixed-income securities with durations in excess of four years and of any maturity.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund may also invest in investment grade fixed-income securities, high-yield securities of governments and government-related issuers, loan participations and assignments and, to a lesser extent, equity securities, and derivatives related to these instruments. The Fund will not invest more than 10% of its net assets in securities rated at or below Caa1 by Moody’s Ratings (“Moody’s”), CCC+ by S&amp;P Global Ratings (“S&amp;P”) or CCC by Fitch Ratings (“Fitch”), or the equivalent by any nationally recognized statistical rating organization (“NRSRO”), at the time of purchase. (For the purpose of this 10% limit, the Fund will rely on the highest rating from any NRSRO, and the notional amount of derivatives related to these instruments will be counted.)</div> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund invests on a global basis, including securities of issuers in both developed and emerging market countries. The Fund may invest in securities denominated in foreign currencies, although it expects to use hedging instruments frequently to attempt to limit the currency exposure resulting from such investments.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">In selecting securities for purchase or sale by the Fund, the Adviser attempts to take advantage of inefficiencies that it believes exist in the global fixed-income markets. These inefficiencies arise from investor behavior, market complexity, and the investment limitations to which investors are subject. The Adviser combines its quantitative forecasts with fundamental economic and credit research in seeking to exploit these inefficiencies.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Adviser employs strategies to manage the Fund’s volatility relative to the global high-yield market. Such strategies may include shortening the duration of the Fund, adding higher rated investments, investing in various fixed-income sectors with relatively low correlation among them, and using hedging strategies that seek to provide protection from substantial market downturns. The Adviser utilizes different combinations of the above strategies at different points in time, taking into consideration, among other factors, the shape of the credit curve, the relative effect on yield associated with changes in credit quality, and the cost of hedging strategies.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund expects to use derivatives, such as options, futures contracts, forwards and swaps, to a significant extent, subject to the limits of applicable law. Derivatives may provide more efficient and economical exposure to market segments than direct investments, and may also be a quicker and more efficient way to alter the Fund’s exposure. For example, the Fund may use credit default and interest rate swaps to gain exposure to the fixed-income markets. In determining when and to what extent to enter into derivative transactions, the Adviser considers factors such as the risks and returns of these investments relative to direct investments and the costs of such transactions. Derivatives such as options and forwards may also be used for hedging purposes, including to hedge against interest rate, credit market and currency fluctuations.</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Market Risk:</span> The value of the Fund’s assets will fluctuate as the market or markets in which the Fund invests fluctuate. The value of the Fund’s investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events, including public health crises (including the occurrence of a contagious disease or illness), terrorism, war, changing interest rate levels, the imposition of new or additional tariffs, and regional and global conflicts, that affect large portions of the market.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Interest Rate Risk:</span> Changes in interest rates will affect the value of investments in fixed-income securities. When interest rates rise, the value of existing investments in fixed-income securities tends to fall and this decrease in value may not be offset by higher income from new investments. Interest rate risk is generally greater for fixed-income securities with longer maturities or durations. Changing interest rates may have unpredictable effects on the markets, may result in heightened market volatility and may detract from Fund performance. In addition, changes in monetary policy may exacerbate the risks associated with changing interest rates.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Credit Risk:</span> An issuer or guarantor of a fixed-income security, or the counterparty to a derivatives or other contract, may be unable or unwilling to make timely payments of interest or principal, or to otherwise honor its obligations. The issuer or guarantor may default, causing a loss of the full principal amount of a security and accrued interest. The degree of risk for a particular security may be reflected in its credit rating. There is the possibility that the credit rating of a fixed-income security may be downgraded after purchase, which may adversely affect the value of the security.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Below Investment Grade Securities Risk:</span> Investments in fixed-income securities with lower ratings (commonly known as “junk bonds”) are subject to a higher probability that an issuer will default or fail to meet its payment obligations. These securities may be subject to greater price volatility due to such factors as specific corporate developments and negative perceptions of the junk bond market generally and may be more difficult to trade than other types of securities.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Duration Risk:</span> Duration is a measure that relates the expected price volatility of a fixed-income security to changes in interest rates. The duration of a fixed-income security may be shorter than or equal to full maturity of a fixed-income security. Fixed-income securities with longer durations have more risk and will decrease in price as interest rates rise. For example, a fixed-income security with a duration of three years will likely decrease in value by approximately 3% if interest rates increase by 1%.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Inflation Risk:</span> This is the risk that the value of assets or income from investments will be less in the future as inflation decreases the value of money. As inflation increases, the value of the Fund’s assets can decline as can the value of the Fund’s distributions. This risk is significantly greater for fixed-income securities with longer maturities.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Derivatives Risk:</span> Derivatives may be difficult to price or unwind and may be leveraged so that small changes may produce disproportionate losses for the Fund. A short position in a derivative instrument involves the risk of a theoretically unlimited increase in the value of the underlying asset, reference rate or index, which could cause the Fund to suffer a potentially unlimited</div> </td> </tr> </table><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt;">loss. Derivatives, especially over-the-counter derivatives, are also subject to counterparty risk, which is the risk that the counterparty (the party on the other side of the transaction) on a derivative transaction will be unable or unwilling to honor its contractual obligations to the Fund.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Foreign (Non-U.S.) Investments Risk:</span> Investments in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be more difficult to trade than domestic securities due to adverse market, economic, political, regulatory or other factors.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Emerging Market Risk:</span> Investments in emerging market countries may involve more risks than investments in other foreign countries because the markets are less developed, less liquid and are subject to increased potential for market manipulation, and increased economic, political, regulatory or other uncertainties.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Currency Risk:</span> Fluctuations in currency exchange rates may negatively affect the value of the Fund’s investments or reduce its returns.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Loan Participations and Assignments Risk:</span> When the Fund purchases loan participations and assignments, it is subject to the credit risk associated with the underlying corporate borrower. In addition, the lack of a liquid secondary market for loan participations and assignments may have an adverse impact on the value of such investments and the Fund’s ability to dispose of particular assignments or participations when necessary to meet the Fund’s liquidity needs or in response to a specific economic event such as a deterioration in the creditworthiness of the borrower.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Illiquid Investments Risk:</span> Illiquid investments risk exists when certain investments are or become difficult to purchase or sell. Difficulty in selling such investments may result in sales at disadvantageous prices affecting the value of your investment in the Fund. Causes of illiquid investments risk may include low trading volumes and large positions. Foreign fixed-income securities may have more illiquid investments risk because secondary trading markets for these securities may be smaller and less well-developed and the securities may trade less frequently than domestic securities. Illiquid investments risk may be higher in a rising interest rate environment, when the value and liquidity of fixed-income securities generally go down.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Cash Transactions Risk:</span> The Fund intends to effectuate all or a portion of the issuance and redemption of Creation Units (as defined below) for cash, rather than in-kind securities. As a result, an investment in the Fund is expected to be less tax-efficient than an investment in an ETF that effectuates its transactions in Creation Units primarily on an in-kind basis. A fund that effects redemptions for cash may be required to sell portfolio securities in order to obtain the cash needed to distribute redemption proceeds. Any recognized gain on these sales by the Fund will generally cause the Fund to recognize a gain it might not otherwise have recognized, or to recognize such gain sooner than would otherwise be required as compared to an ETF that distributes portfolio securities in-kind in redemption of Creation Units. The Fund intends to distribute gains that arise by virtue of the issuance and redemption of Creation Units being effectuated in cash to shareholders to avoid being taxed on this gain at the fund level and otherwise comply with applicable tax requirements. This may cause shareholders to be subject to tax on gains to which they would not otherwise be subject, or at an earlier date than if they had made an investment in another ETF. Moreover, cash transactions may have to be carried out over several days if the securities market is relatively illiquid and may involve considerable brokerage fees and taxes. Brokerage fees, which will be higher than if the Fund sold and redeemed its shares principally in-kind, will be passed on to those purchasing and redeeming Creation Units in the form of creation and redemption transaction fees. In addition, these factors may result in wider spreads between the bid and ask prices of Fund shares than for ETFs that receive and distribute portfolio securities in-kind. The Fund’s use of cash for creations and redemptions could also result in dilution to the Fund and increased transaction costs, which could negatively impact the Fund’s ability to achieve its investment objective.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">ETF Share Price and Net Asset Value Risk:</span> The Fund’s shares are listed for trading on the NYSE Arca, Inc. (“NYSE Arca” or an “Exchange”). Shares are generally bought and sold in the secondary market at market prices. The net asset value (“NAV”) per share of the Fund will fluctuate with changes in the market value of the Fund’s holdings. The Fund’s NAV is calculated once per day, at the end of the day. The market price of a share on an Exchange could be higher than the NAV (premium), or lower than the NAV (discount) and may fluctuate during the trading day. When all or a portion of the Fund’s underlying securities trade in a market that is closed when the market for the Fund’s shares is open, there may be differences between the current value of a security and the last quoted price for that security in the closed local market, which could lead to a deviation between the market value of the Fund’s shares and the Fund’s NAV. Disruptions in the creations and redemptions process or the existence of extreme market volatility could result in the Fund’s shares trading above or below NAV. As the Fund may invest in securities traded on foreign exchanges, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share than shares of other ETFs. In addition, in stressed market conditions, the market for Fund shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Authorized Participant Risk:</span> Only a limited number of financial institutions that enter into an authorized participant relationship with the Fund (“Authorized Participants”) may engage in creation or redemption transactions. If the Fund’s Authorized Participants decide not to create or redeem shares, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share, or the Fund could face trading halts or de-listing.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Active Trading Market Risk:</span> There is no guarantee that an active trading market for Fund shares will exist at all times. In times of market stress, markets can suffer erratic or unpredictable trading activity, extraordinary volatility or wide bid/ask spreads, which could cause some market makers and Authorized Participants to reduce their market activity or “step away” from making a market in ETF shares. Market makers and Authorized Participants are not obligated to place or execute purchase and redemption orders. This could cause the Fund’s market price to deviate, materially, from the NAV, and reduce the effectiveness of the ETF arbitrage process. Any absence of an active trading market for Fund shares could lead to a heightened risk that there will be a difference between the market price of a Fund share and the underlying value of the Fund share.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Management Risk:</span> The Fund is subject to management risk because it is an actively-managed ETF. The Adviser will apply its investment techniques and risk analyses in making investment decisions, but there is no guarantee that its techniques will produce the intended results. Some of these techniques may incorporate, or rely upon, quantitative models, but there is no guarantee that these models will generate accurate forecasts, reduce risk or otherwise perform as expected.</div> </td> </tr> </table> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">As with all investments, you may lose money by investing in the Fund.</div> BAR CHART AND PERFORMANCE INFORMATION <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">Prior to commencing operations, the Fund acquired the assets and liabilities of AB Short Duration High Yield Portfolio (the “Short Duration High Yield Predecessor Fund” or a “Predecessor Fund”), a series of AB Bond Fund, Inc., and adopted the accounting and performance history of that fund (a “Reorganization”), as of the close of business on June 7, 2024. The information shown below for periods prior to the close of business on June 7, 2024 relates to the performance of Advisor Class shares of the Short Duration High Yield Predecessor Fund. The Fund has the same investment objective, strategies, policies and portfolio management team as the Short Duration High Yield Predecessor Fund.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The performance of the Short Duration High Yield Predecessor Fund shown below has not been adjusted to reflect the lower fees and expenses that will be incurred by the Fund. The Short Duration High Yield Predecessor Fund was a mutual fund, and the average annual total returns as shown below are based on NAV per share, and are not based on market prices for an ETF share as traded on an exchange. Short Duration High Yield Predecessor Fund performance is based on the performance of Advisor Class shares. Prior to the Fund’s acquisition of the Short Duration High Yield Predecessor Fund, the other share classes of the Short Duration High Yield Predecessor Fund were converted into Advisor Class shares.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The bar chart and performance information provide an indication of the historical risk of an investment in the Fund by showing:</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;">how the Fund’s performance changed from year to year over ten years; and</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;">how the Fund’s average annual returns for one, five and ten years compare to those of a broad-based securities market index and an additional index that more closely reflects the types of securities in which the Fund invests.</div> </td> </tr> </table> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">You may obtain updated performance information on the website at <span style="text-decoration: underline;">www.abfunds.com</span> (click on “Investments—ETFs”).</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.</div> how the Fund’s performance changed from year to year over ten years; andhow the Fund’s average annual returns for one, five and ten years compare to those of a broad-based securities market index and an additional index that more closely reflects the types of securities in which the Fund invests. www.abfunds.com The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. Bar Chart <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The annual returns in the bar chart are for the Fund’s shares. For periods prior to the close of business on June 7, 2024, the chart reflects returns of the Advisor Class shares of the Short Duration High Yield Predecessor Fund, which were reorganized into shares of the Fund in the Reorganization.</div> Best Quarter 0.1233 2020-06-30 Worst Quarter -0.1487 2020-03-31 Performance Table Average Annual Total Returns (For the periods ended December 31, 2025) 0.0702 0.0400 0.0471 0.0433 0.0156 0.0258 0.0410 0.0196 0.0267 0.0777 -0.0009 0.0327 0.0781 0.0558 0.0642 After-tax returns:–Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and–Are not relevant to investors who hold Short Duration High Yield Predecessor Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. AB Core Bond ETF (successor to Bernstein Intermediate Duration Institutional Portfolio) INVESTMENT OBJECTIVE <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund’s investment objective is to provide safety of principal and a moderate to high rate of current income.</div> FEES AND EXPENSES OF THE FUND <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;"><span style="font-weight: bold;"></span>This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. <span style="font-weight: bold;">You may be required to pay commissions and/or other forms of compensation to a broker for transactions in shares, which are not reflected in the tables or the examples below. </span></div> Shareholder Fees (fees paid directly from your investment) 0 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) 0.0028 0 0.0000 0.0028 Total “Other Expenses” are based on estimated amounts for the current fiscal year. Examples <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Examples assume that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Examples also assume that your investment has a 5% return each year and that the Fund’s operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:</div> 29 90 157 356 Portfolio Turnover <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund pays transaction costs, such as commissions, when it buys or sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Fund Operating Expenses or in the Examples, affect the Fund’s performance. During the most recent fiscal period ended November 30, 2025, the Fund’s portfolio turnover rate was 33% of the average value of its portfolio.</div> 0.33 PRINCIPAL STRATEGIES <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund is an actively-managed exchange-traded fund (“ETF”). The Fund, under normal circumstances, invests at least 80% of its net assets, including any borrowings for investment purposes, in fixed-income securities. The Fund seeks to maintain an average portfolio quality minimum of A, based on ratings given to the Fund’s securities by any nationally recognized statistical rating organization (“NRSRO”) (or, if unrated, determined by the Adviser, to be of comparable quality). Many types of securities may be purchased by the Fund, including corporate bonds, notes, U.S. Government and agency securities, asset-backed securities, mortgage-related securities, bank loan debt, preferred stock and inflation-protected securities, as well as others. The Fund may also invest up to 25% of its total assets in fixed-income, non-U.S. Dollar denominated foreign securities, and may invest without limit in fixed-income, U.S. Dollar denominated foreign securities, in each case in developed or emerging-market countries.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund may use derivatives, such as options, futures contracts, forward contracts and swaps.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund may invest up to 25% of its total assets in fixed-income securities rated below investment grade (BB or below) by NRSROs (commonly known as “junk bonds”). No more than 5% of the Fund’s total assets may be invested in fixed-income securities rated CCC by NRSROs.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">In managing the Fund, the Adviser may use interest rate forecasting to estimate an appropriate level of interest rate risk at a given time. The Adviser may moderately shorten the average duration of the Fund when it expects interest rates to rise and moderately lengthen average duration when it anticipates that interest rates will fall.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund seeks to maintain an effective duration of 75% to 125% of the benchmark duration under normal market conditions. Duration is a measure that relates the expected price volatility of a security to changes in interest rates. The duration of a debt security is the weighted average term to maturity, expressed in years, of the present value of all future cash flows, including coupon payments and principal repayments.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Adviser selects securities for purchase or sale based on its assessment of the securities’ risk and return characteristics as well as the securities’ impact on the overall risk and return characteristics of the Fund. In making this assessment, the Adviser takes into account various factors including the credit quality and sensitivity to interest rates of the securities under consideration and of the Fund’s other holdings.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund may enter into foreign currency transactions on a spot (<span style="font-style: italic;">i.e.</span>, cash) basis or through the use of derivatives transactions, such as forward currency exchange contracts, currency futures and options thereon, and options on currencies. An appropriate hedge of currency exposure resulting from the Fund’s securities positions may not be available or cost effective, or the Adviser may determine not to hedge the positions, possibly even under market conditions where doing so could benefit the Fund.</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Market Risk:</span> The value of the Fund’s assets will fluctuate as the market or markets in which the Fund invests fluctuate. The value of the Fund’s investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events, including public health crises (including the occurrence of a contagious disease or illness), terrorism, war, changing interest rate levels, the imposition of new or additional tariffs, and regional and global conflicts, that affect large portions of the market.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Interest Rate Risk:</span> Changes in interest rates will affect the value of investments in fixed-income securities. When interest rates rise, the value of existing investments in fixed-income securities tends to fall and this decrease in value may not be offset by higher income from new investments. Interest rate risk is generally greater for fixed-income securities with longer maturities or durations. Changing interest rates may have unpredictable effects on the markets, may result in heightened market volatility and may detract from Fund performance. In addition, changes in monetary policy may exacerbate the risks associated with changing interest rates.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Credit Risk:</span> An issuer or guarantor of a fixed-income security, or the counterparty to a derivatives or other contract, may be unable or unwilling to make timely payments of interest or principal, or to otherwise honor its obligations. The issuer or guarantor may default, causing a loss of the full principal amount of a security and accrued interest. The degree of risk for a particular security may be reflected in its credit rating. There is the possibility that the credit rating of a fixed-income security may be downgraded after purchase, which may adversely affect the value of the security.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Duration Risk:</span> Duration is a measure that relates the expected price volatility of a fixed-income security to changes in interest rates. The duration of a fixed-income security may be shorter than or equal to full maturity of a fixed-income security. Fixed-income securities with longer durations have more risk and will decrease in price as interest rates rise. For example, a fixed-income security with a duration of three years will likely decrease in value by approximately 3% if interest rates increase by 1%.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Inflation Risk:</span> This is the risk that the value of assets or income from investments will be less in the future as inflation decreases the value of money. As inflation increases, the value of the Fund’s assets can decline as can the value of the Fund’s distributions. This risk is significantly greater for fixed-income securities with longer maturities.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Inflation-Protected Securities Risk:</span> The terms of inflation-protected securities provide for the coupon and/or maturity value to be adjusted based on changes in an inflation index. Decreases in the inflation rate or in investors’ expectations about inflation could cause these securities to underperform non-inflation-adjusted securities on a total-return basis. In addition, there can be no assurance that the relevant inflation index will accurately measure the rate of inflation, in which case the securities may not work as intended. These securities may be more difficult to trade or dispose of than other types of securities.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Foreign (Non-U.S.) Securities Risk: </span>Investments in foreign securities entail significant risks in addition to those customarily associated with investing in U.S. securities such as less liquid, less transparent, less regulated and more volatile markets. These risks include risks related to unfavorable or unsuccessful government actions, reduction of government or central bank support, economic sanctions and tariffs and potential responses to those sanctions and tariffs, inadequate accounting standards and auditing and financial recordkeeping requirements, lack of information, social instability, armed conflict, and other adverse market, economic, political and regulatory factors, all of which could disrupt the financial markets in which the Fund invests and adversely affect the value of the Fund’s assets.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Emerging Markets Securities Risk:</span> The risks of investing in foreign (non-U.S.) securities are heightened with respect to issuers in emerging-market countries because the markets are less developed, less liquid and subject to increased potential for market manipulation, and there may be a greater amount of economic, political and social uncertainty. These risks are even more pronounced in “frontier” markets, which are investable markets with lower total market capitalization and liquidity than the more developed emerging markets. Emerging markets typically have fewer medical and economic resources than more developed countries, and thus they may be less able to control or mitigate the effects of a pandemic, climate change, or a natural disaster.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Derivatives Risk:</span> Derivatives may be difficult to price or unwind and may be leveraged so that small changes may produce disproportionate losses for the Fund. A short position in a derivative instrument involves the risk of a theoretically unlimited increase in the value of the underlying asset, reference rate or index, which could cause the Fund to suffer a potentially unlimited loss. Derivatives, especially over-the-counter derivatives, are also subject to counterparty risk, which is the risk that the counterparty (the party on the other side of the transaction) on a derivative transaction will be unable or unwilling to honor its contractual obligations to the Fund.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Mortgage-Related Securities Risk:</span> Mortgage-related securities represent interests in “pools” of mortgages, including consumer loans or receivables held in trust. Mortgage-related securities are subject to credit, interest rate, prepayment and extension risks. These securities also are subject to risk of default on the underlying mortgage, particularly during periods of economic downturn. Small movements in interest rates (both increases and decreases) may quickly and significantly reduce the value of certain mortgage-related securities. Asset-related securities entail certain risks not presented by mortgage-backed securities, including the risk that it may be difficult to perfect the liens securing any collateral backing certain asset-backed securities.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Prepayment and Extension Risk: </span>Prepayment risk is the risk that a loan, bond or other security might be called or otherwise converted, prepaid or redeemed before maturity. If this happens, particularly during a time of declining interest rates or credit spreads, the Fund will not benefit from the rise in market price that normally accompanies a decline in interest rates, and may not be able to invest the proceeds in securities providing as much income, resulting in a lower yield to the Fund. Conversely, extension risk is the risk that as interest rates rise or spreads widen, payments of securities may occur more slowly than anticipated by the market. If this happens, the values of these securities may go down because their interest rates are lower than current market rates and they remain outstanding longer than anticipated.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Subordination Risk:</span> The Fund may invest in securities that are subordinated to more senior securities of an issuer, or which represent interests in pools of such subordinated securities. Subordinated securities will be disproportionately affected by a default or even a perceived decline in creditworthiness of the issuer. Subordinated securities are more likely to suffer a credit loss than non-subordinated securities of the same issuer, any loss incurred by the subordinated securities is likely to be proportionately greater, and any recovery of interest or principal may take more time.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Illiquid Investments Risk:</span> Illiquid investments risk exists when certain investments are or become difficult to purchase or sell. Difficulty in selling such investments may result in sales at disadvantageous prices affecting the value of your investment in the Fund. Causes of illiquid investments risk may include low trading volumes and large positions. Foreign fixed-income securities may have more illiquid investments risk because secondary trading markets for these securities may be smaller and less well-developed and the securities may trade less frequently than domestic securities. Illiquid investments risk may be higher in a rising interest rate environment, when the value and liquidity of fixed-income securities generally go down.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Redemption Risk:</span> The Fund may experience heavy redemptions that could cause the Fund to liquidate its assets at inopportune times or unfavorable prices or increase or accelerate taxable gains or transaction costs and may negatively affect the Fund’s net asset value (“NAV”) or performance, which could cause the value of your investment to decline. Redemption risk is heightened during periods of overall market turmoil.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Foreign Currency Risk:</span> This is the risk that changes in foreign (non-U.S.) currency exchange rates may negatively affect the value of the Fund’s investments or reduce the returns of the Fund. For example, the value of the Fund’s investments in foreign securities and foreign currency positions may decrease if the U.S. Dollar is strong (<span style="font-style: italic;">i.e.</span>, gaining value relative to other currencies) and other currencies are weak (<span style="font-style: italic;">i.e.</span>, losing value relative to the U.S. Dollar).</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Actions by a Few Major Investors:</span> In certain countries, volatility may be heightened by actions of a few major investors. For example, substantial increases or decreases in cash flows of mutual funds investing in these markets could significantly affect local securities prices and, therefore, share prices of the Fund.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Lower-rated Securities Risk:</span> Lower-rated securities, or junk bonds/high-yield securities, are subject to greater risk of loss of principal and interest and greater market risk than higher-rated securities. The capacity of issuers of lower-rated securities to pay interest and repay principal is more likely to weaken than is that of issuers of higher-rated securities in times of deteriorating economic conditions or rising interest rates.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Active Trading Risk:</span> The Fund expects to engage in active and frequent trading of its portfolio securities and its portfolio turnover rate may greatly exceed 100%. A higher rate of portfolio turnover increases transaction costs, which may negatively affect the Fund’s return. In addition, a high rate of portfolio turnover may result in substantial short-term gains, which may have adverse tax consequences for Fund shareholders.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Below Investment Grade Securities Risk:</span> Investments in fixed-income securities with lower ratings (commonly known as “junk bonds”) are subject to a higher probability that an issuer will default or fail to meet its payment obligations. These securities may be subject to greater price volatility due to such factors as specific municipal or corporate developments and negative performance of the junk bond market generally and may be more difficult to trade than other types of securities.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Cash Transactions Risk:</span> The Fund intends to effectuate all or a portion of the issuance and redemption of Creation Units (as defined below) for cash, rather than in-kind securities. As a result, an investment in the Fund is expected to be less tax-efficient than an investment in an ETF that effectuates its transactions in Creation Units primarily on an in-kind basis. A fund that effects redemptions for cash may be required to sell portfolio securities in order to obtain the cash needed to distribute redemption proceeds. Any recognized gain on these sales by the Fund will generally cause the Fund to recognize a gain it might not otherwise have recognized, or to recognize such gain sooner than would otherwise be required as compared to an ETF that distributes portfolio securities in-kind in redemption of Creation Units. The Fund intends to distribute gains that arise by virtue of the issuance and redemption of Creation Units being effectuated in cash to shareholders to avoid being taxed on this gain at the fund level and otherwise comply with applicable tax requirements. This may cause shareholders to be subject to tax on gains to which they would not otherwise be subject, or at an earlier date than if they had made an investment in another ETF. Moreover, cash transactions may have to be carried out over several days if the securities market is relatively illiquid and may involve considerable brokerage fees and taxes. Brokerage fees, which will be higher than if the Fund sold and redeemed its shares principally in-kind, will be passed on to those purchasing and redeeming Creation Units in the form of creation and redemption transaction fees. In addition, these factors may result in wider spreads between the bid and ask prices of Fund shares than for ETFs that receive and distribute portfolio securities in-kind. The Fund’s use of cash for creations and redemptions could also result in dilution to the Fund and increased transaction costs, which could negatively impact the Fund’s ability to achieve its investment objective.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">ETF Share Price and Net Asset Value Risk:</span> The Fund’s shares are listed for trading on the NYSE Arca, Inc. (“NYSE Arca” or an “Exchange”). Shares are generally bought and sold in the secondary market at market prices. The NAV per share of the Fund will fluctuate with changes in the market value of the Fund’s holdings. The Fund’s NAV is calculated once per day, at the end of the day. The market price of a share on the Exchange could be higher than the NAV (premium), or lower than the NAV (discount) and may fluctuate during the trading day. When all or a portion of the Fund’s underlying securities trade in a market that is closed when the market for the Fund’s shares is open, there may be differences between the current value of a security and the last quoted price for that security in the closed local market, which could lead to a deviation between the market value of the Fund’s shares and the Fund’s NAV. Disruptions in the creations and redemptions process or the existence of extreme market volatility could result in the Fund’s shares trading above or below NAV. As the Fund may invest in securities traded on foreign exchanges, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share than shares of other ETFs. In addition, in stressed market conditions, the market for Fund shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Authorized Participant Risk:</span> Only a limited number of financial institutions that enter into an authorized participant relationship with the Fund (“Authorized Participants”) may engage in creation or redemption transactions. If the Fund’s Authorized Participants decide not to create or redeem shares, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share, or the Fund could face trading halts or de-listing.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Active Trading Market Risk:</span> There is no guarantee that an active trading market for Fund shares will exist at all times. In times of market stress, markets can suffer erratic or unpredictable trading activity, extraordinary volatility or wide bid/ask spreads, which could cause some market makers and Authorized Participants to reduce their market activity or “step away” from making a market in ETF shares. Market makers and Authorized Participants are not obligated to place or execute purchase and redemption orders. This could cause the Fund’s market price to deviate, materially, from the NAV, and reduce the effectiveness of the ETF arbitrage process. Any absence of an active trading market for Fund shares could lead to a heightened risk that there will be a difference between the market price of a Fund share and the underlying value of the Fund share.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Management Risk:</span> The Fund is subject to management risk because it is an actively-managed ETF. The Adviser will apply its investment techniques and risk analyses in making investment decisions, but there is no guarantee that its techniques will produce the intended results. Many of these techniques incorporate, or rely upon, quantitative models, but there is no guarantee that these models will generate accurate forecasts, reduce risk or otherwise perform as expected.</div> </td> </tr> </table> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">As with all investments, you may lose money by investing in the Fund.</div> BAR CHART AND PERFORMANCE INFORMATION <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">Prior to commencing operations, the Fund acquired the assets and liabilities of the Bernstein Intermediate Duration Institutional Portfolio (the “Core Bond Predecessor Fund” or a “Predecessor Fund”), a series of Sanford C. Bernstein Fund II, Inc., and adopted the accounting and performance history of that fund (a “Reorganization”), as of the close of business on November 7, 2025. The information shown below for periods prior to the close of business on November 7, 2025 relates to the performance of the Intermediate Duration Institutional Class shares of the Core Bond Predecessor Fund. The Fund has the same investment objective, strategies, policies and portfolio management team as the Core Bond Predecessor Fund.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The performance of the Core Bond Predecessor Fund shown below has not been adjusted to reflect the lower fees and expenses that will be incurred by the Fund. The Core Bond Predecessor Fund was a mutual fund, and the average annual total returns as shown below are based on NAV per share, and are not based on market prices for an ETF share as traded on an exchange. Core Bond Predecessor Fund performance is based on the performance of Intermediate Duration Institutional Class shares.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The bar chart and performance information provide an indication of the historical risk of an investment in the Fund by showing:</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;">how the Fund’s performance changed from year to year over ten years; and</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;">how the Fund’s average annual returns for one, five and ten years compare to those of a broad-based securities market index.</div> </td> </tr> </table> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">You may obtain updated performance information on the website at <span style="text-decoration: underline;">www.abfunds.com</span> (click on “Investments—ETFs”).</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.</div> how the Fund’s performance changed from year to year over ten years; andhow the Fund’s average annual returns for one, five and ten years compare to those of a broad-based securities market index. www.abfunds.com The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. Bar Chart <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The annual returns in the bar chart are for the Fund’s shares. For periods prior to the close of business on November 7, 2025, the chart reflects returns of the Intermediate Duration Institutional Class shares of the Core Bond Predecessor Fund, which were reorganized into shares of the Fund in the Reorganization.</div> Best Quarter 0.0703 2023-12-31 Worst Quarter -0.0624 2022-03-31 Performance Table Average Annual Total Returns (For the periods ended December 31, 2025) 0.0721 -0.0022 0.0228 0.0532 -0.0166 0.0086 0.0424 -0.0077 0.0116 0.0730 -0.0036 0.0201 After-tax returns:–Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and–Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. FIXED-INCOME—MUNICIPAL AB Tax-Aware Short Duration Municipal ETF INVESTMENT OBJECTIVE <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund seeks to provide relative stability of principal and a moderate rate of after-tax return and income.</div> FEES AND EXPENSES OF THE FUND <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. <span style="font-weight: bold;">You may be required to pay commissions and/or other forms of compensation to a broker for transactions in shares, which are not reflected in the tables or the examples below.</span></div> Shareholder Fees (fees paid directly from your investment) 0 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) 0.0027 0 0.0000 0.0027 Examples <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Examples assume that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Examples also assume that your investment has a 5% return each year and that the Fund’s operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:</div> 28 87 152 343 Portfolio Turnover <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund pays transaction costs, such as commissions, when it buys or sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Fund Operating Expenses or in the Examples, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 35% of the average value of its portfolio.</div> 0.35 PRINCIPAL STRATEGIES <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund is an actively-managed exchange-traded fund (“ETF”). The Fund pursues its objective by investing principally in a national portfolio of both municipal and taxable fixed-income securities. The Fund invests, under normal circumstances, at least 80% of its total assets in municipal securities that pay interest that is exempt from federal income tax. These securities may pay interest that is subject to the federal alternative minimum tax for certain taxpayers. The income earned and distributed to shareholders on non-municipal securities would not be exempt from federal income tax. The Fund may invest in fixed-income securities rated below investment grade (commonly known as “junk bonds”), although such securities are not expected to be the Fund’s primary focus. The Fund may invest in securities issued or guaranteed by Puerto Rico or its agencies or instrumentalities.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Adviser selects securities for the Fund based on a variety of factors, including credit quality, maturity, diversification benefits, and the relative expected after-tax returns of taxable and municipal securities (considering federal tax rates and without regard to</div> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">state and local income taxes). Consistent with the Fund’s objective to provide a moderate rate of after-tax return, an investor in the Fund may incur a tax liability that will generally be greater than the same investor would have in a fund investing exclusively in municipal securities, and that will be higher if the investor is in a higher tax bracket. In addition, the tax implications of the Fund’s trading activity, such as realizing taxable gains, are considered in making purchase and sale decisions for the Fund. Consistent with the Fund’s investment objective, the Fund could continue to hold a security even if the interest on that security changes from being tax-exempt to taxable. Under normal circumstances, the Fund will maintain a dollar-weighted average duration of less than three years, although it may invest in securities of any duration or maturity.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund may also invest in forward commitments, and variable and floating-rate municipal securities.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund may use derivatives, primarily swaps, but also options, futures contracts and forwards, to achieve its investment strategies. For example, the Fund may enter into interest rate swaps relating to municipal and taxable fixed-income securities or credit default swaps relating to securities indices. Derivatives may provide more efficient and economical exposure to fixed-income securities markets than direct investments.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund may invest more than 25% of its total assets in securities or obligations that are related in such a way that business or political developments or changes affecting one such security could also affect the others (for example, securities with interest that is paid from projects of a similar type).</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Market Risk:</span> The value of the Fund’s assets will fluctuate as the market or markets in which the Fund invests fluctuate. The value of the Fund’s investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events, including public health crises (including the occurrence of a contagious disease or illness), terrorism, war, changing interest rate levels, the imposition of new or additional tariffs, and regional and global conflicts, that affect large portions of the market.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Credit Risk:</span> An issuer or guarantor of a fixed-income security, or the counterparty to a derivatives or other contract, may be unable or unwilling to make timely payments of interest or principal, or to otherwise honor its obligations. The issuer or guarantor may default, causing a loss of the full principal amount of a security and accrued interest. The degree of risk for a particular security may be reflected in its credit rating. There is the possibility that the credit rating of a fixed-income security may be downgraded after purchase, which may adversely affect the value of the security.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Interest Rate Risk:</span> Changes in interest rates will affect the value of investments in fixed-income securities. When interest rates rise, the value of existing investments in fixed-income securities tends to fall and this decrease in value may not be offset by higher income from new investments. Interest rate risk is generally greater for fixed-income securities with longer maturities or durations. Changing interest rates may have unpredictable effects on the markets, may result in heightened market volatility and may detract from Fund performance. In addition, changes in monetary policy may exacerbate the risks associated with changing interest rates.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Below Investment Grade Securities Risk:</span> Investments in fixed-income securities with lower ratings (commonly known as “junk bonds”) are subject to a higher probability that an issuer will default or fail to meet its payment obligations. These securities may be subject to greater price volatility due to such factors as specific municipal or corporate developments and negative performance of the junk bond market generally and may be more difficult to trade than other types of securities.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Municipal Market Risk:</span> This is the risk that special factors may adversely affect the value of municipal securities and have a significant effect on the yield or value of the Fund’s investments in municipal securities. These factors include economic conditions, political or legislative changes, public health crises, uncertainties related to the tax status of municipal securities, and the rights of investors in these securities. To the extent that the Fund invests more of its assets in the municipal securities of a particular state or territory, the Fund may be vulnerable to events adversely affecting that state or territory, including economic, political and regulatory occurrences, court decisions, terrorism, public health crises (including the occurrence of a contagious disease or illness) and catastrophic natural disasters, such as hurricanes, fires or earthquakes. The Fund’s investments in certain municipal securities with principal and interest payments that are made from the revenues of a specific project or facility, and not general tax revenues, may have increased risks. Factors affecting the project or facility, such as local business or economic conditions, could have a significant effect on the project’s ability to make payments of principal and interest on these securities.</div> </td> </tr> </table> <div style="margin-top: 6pt; margin-bottom: 0pt; margin-left: 2%; font-size: 10pt; font-family: times new roman;">In addition, changes in tax rates or the treatment of income from certain types of municipal securities, among other things, could negatively affect the municipal securities markets.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; margin-left: 2%; font-size: 10pt; font-family: times new roman;">The municipal securities issued by Puerto Rico and its government agencies and municipalities may have more risks than those of other U.S. issuers of municipal securities. Puerto Rico continues to face a challenging economic and fiscal environment. If the general economic situation in Puerto Rico persists or worsens, the volatility and credit quality of Puerto Rican municipal securities could continue to be adversely affected, and the market for such securities may deteriorate further.</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Tax Risk:</span> From time to time, the U.S. Government and the U.S. Congress consider changes in federal tax law that could limit or eliminate the federal tax exemption for municipal bond income, which would in effect reduce the income received by shareholders from the Fund by increasing taxes on that income. In such event, the Fund’s net asset value (“NAV”) could also decline as yields on municipal bonds, which are typically lower than those on taxable bonds, would be expected to increase to approximately the yield of comparable taxable bonds. Actions or anticipated actions affecting the tax-exempt status of municipal bonds could also result in significant shareholder redemptions of Fund shares as investors anticipate adverse effects on the Fund or seek higher yields to offset the potential loss of the tax deduction. As a result, the Fund would be required to maintain higher levels of cash to meet the redemptions, which would negatively affect the Fund’s yield.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Duration Risk:</span> Duration is a measure that relates the expected price volatility of a fixed-income security to changes in interest rates. The duration of a fixed-income security may be shorter than or equal to full maturity of a fixed-income security. Fixed-income securities with longer durations have more risk and will decrease in price as interest rates rise. For example, a fixed-income security with a duration of three years will likely decrease in value by approximately 3% if interest rates increase by 1%.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Inflation Risk:</span> This is the risk that the value of assets or income from investments will be less in the future as inflation decreases the value of money. As inflation increases, the value of the Fund’s assets can decline as can the value of the Fund’s distributions. This risk is significantly greater for fixed-income securities with longer maturities.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Illiquid Investments Risk:</span> Illiquid investments risk exists when certain investments are or become difficult to purchase or sell. Difficulty in selling such investments may result in sales at disadvantageous prices affecting the value of your investment in the Fund. Causes of illiquid investments risk may include low trading volumes and large positions. Municipal securities may have more illiquid investments risk than other fixed-income securities because they trade less frequently and the market for municipal securities is generally smaller than many other markets.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Leverage Risk:</span> To the extent the Fund uses leveraging techniques, such as derivatives, its NAV may be more volatile because leverage tends to exaggerate the effect of changes in interest rates and any increase or decrease in the value of the Fund’s investments.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Derivatives Risk:</span> Derivatives may be difficult to price or unwind and may be leveraged so that small changes may produce disproportionate losses for the Fund. A short position in a derivative instrument involves the risk of a theoretically unlimited increase in the value of the underlying asset, reference rate or index, which could cause the Fund to suffer a potentially unlimited loss. Derivatives, especially over-the-counter derivatives, are also subject to counterparty risk, which is the risk that the counterparty (the party on the other side of the transaction) on a derivative transaction will be unable or unwilling to honor its contractual obligations to the Fund.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Variable and Floating-Rate Securities Risk:</span> Variable and floating-rate securities pay interest at rates that are adjusted periodically, according to a specific formula. Because the interest rate is reset only periodically, changes in the interest rate on these securities may lag behind changes in the prevailing market interest rates. The value of the security may rise or fall depending on changes in interest rates between periodic resets.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">When-Issued and Forward Commitment Risks:</span> These securities are purchased before the securities are actually issued or delivered. These securities are subject to the risk that, when delivered, they will be worth less than the agreed-upon purchase price.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">ETF Share Price and Net Asset Value Risk:</span> The Fund’s shares are listed for trading on the NYSE Arca, Inc. (“NYSE Arca” or an “Exchange”). The Fund’s shares are generally bought and sold in the secondary market at market prices. The NAV per share of the Fund will fluctuate with changes in the market value of the Fund’s holdings. The Fund’s NAV is calculated once per day, at the end of the day. The market price of a share on an Exchange could be higher than the NAV (premium), or lower than the NAV (discount) and may fluctuate during the trading day. When all or a portion of the Fund’s underlying securities trade in a market that is closed when the market for the Fund’s shares is open, there may be differences between the current value of a security and the last quoted price for that security in the closed local market, which could lead to a deviation between the market value of the Fund’s shares and the Fund’s NAV. Disruptions in the creations and redemptions process or the existence of extreme market volatility could result in the Fund’s shares trading above or below NAV. As the Fund may invest in securities traded on foreign exchanges, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share than shares of other ETFs. In addition, in stressed market conditions, the market for Fund shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Authorized Participant Risk:</span> Only a limited number of financial institutions that enter into an authorized participant relationship with the Fund (“Authorized Participants”) may engage in creation or redemption transactions. If the Fund’s Authorized Participants decide not to create or redeem shares, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share, or the Fund could face trading halts or de-listing.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Active Trading Market Risk:</span> There is no guarantee that an active trading market for Fund shares will exist at all times. In times of market stress, markets can suffer erratic or unpredictable trading activity, extraordinary volatility or wide bid/ask spreads, which could cause some market makers and Authorized Participants to reduce their market activity or “step away” from making a market in ETF shares. Market makers and Authorized Participants are not obligated to place or execute purchase and redemption orders. This could cause the Fund’s market price to deviate, materially, from the NAV, and reduce the effectiveness of the ETF arbitrage process. Any absence of an active trading market for Fund shares could lead to a heightened risk that there will be a difference between the market price of a Fund share and the underlying value of the Fund share.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Management Risk:</span> The Fund is subject to management risk because it is an actively-managed ETF. The Adviser will apply its investment techniques and risk analyses in making investment decisions, but there is no guarantee that its techniques will produce the intended results. Some of these techniques may incorporate, or rely upon, quantitative models, but there is no guarantee that these models will generate accurate forecasts, reduce risk or otherwise perform as expected.</div> </td> </tr> </table> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">As with all investments, you may lose money by investing in the Fund.</div> BAR CHART AND PERFORMANCE INFORMATION <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The bar chart and performance information provide an indication of the historical risk of an investment in the Fund by showing:</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;">how the Fund’s performance changed from year to year over the life of the Fund; and</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;">how the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index and an additional index that more closely reflects the types of securities in which the Fund invests.</div> </td> </tr> </table> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">You may obtain updated performance information on the website at <span style="text-decoration: underline;">www.abfunds.com</span> (click on “Investments—ETFs”).</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.</div> how the Fund’s performance changed from year to year over the life of the Fund; andhow the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index and an additional index that more closely reflects the types of securities in which the Fund invests. www.abfunds.com The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. Bar Chart <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The annual returns in the bar chart are for the Fund’s shares.</div> Best Quarter 0.0351 2023-12-31 Worst Quarter -0.0074 2023-09-30 Performance Table Average Annual Total Returns (For the periods ended December 31, 2025) 0.0419 0.0353 0.0410 0.0339 0.0374 0.0333 0.0425 0.0394 0.0411 0.0309 2022-09-14 2022-09-14 2022-09-14 After-tax returns:–Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and–Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. AB Tax-Aware Intermediate Municipal ETF INVESTMENT OBJECTIVE <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund’s investment objective is to provide enhanced income and attractive risk-adjusted after-tax returns.</div> FEES AND EXPENSES OF THE FUND <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. <span style="font-weight: bold;">You may be required to pay commissions and/or other forms of compensation to a broker for transactions in shares, which are not reflected in the tables or the examples below.</span></div> Shareholder Fees (fees paid directly from your investment) 0 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) 0.0028 0 0.0000 0.0028 Examples <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Examples assume that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Examples also assume that your investment has a 5% return each year and that the Fund’s operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:</div> 29 90 157 356 Portfolio Turnover <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund pays transaction costs, such as commissions, when it buys or sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Fund Operating Expenses or in the Examples, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 10% of the average value of its portfolio.</div> 0.10 PRINCIPAL STRATEGIES <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund is an actively-managed exchange-traded fund (“ETF”). The Fund pursues its objective by investing principally in a national portfolio of both municipal and taxable fixed-income securities. The Fund invests, under normal circumstances, at least 80% of its net assets, including any borrowings for investment purposes, in municipal securities that pay interest that is exempt from federal income tax. These securities may pay interest that is subject to the federal alternative minimum tax for certain taxpayers. The Fund may invest in fixed-income securities rated below investment grade (commonly known as “junk bonds”), although such securities are not expected to be the Fund’s primary focus. The Fund may invest in securities issued or guaranteed by Puerto Rico or its agencies or instrumentalities.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Adviser selects securities for the Fund based on a variety of factors, including credit quality, maturity, diversification benefits, and the relative expected after-tax returns of taxable and municipal securities (considering federal tax rates and without regard to state and local income taxes). The Adviser also considers the tax implications of the Fund’s trading activity, such as realizing taxable gains, in making investment decisions for the Fund. The Fund seeks to maintain an effective duration of four to seven years under normal market conditions, although it may invest in fixed-income securities of any duration or maturity.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund may also invest in forward commitments and variable and floating-rate municipal securities.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund may use derivatives, primarily swaps, but also options, futures contracts and forwards, to achieve its investment strategies. For example, the Fund may enter into interest rate swaps relating to municipal and taxable fixed-income securities or credit default swaps relating to securities indices. Derivatives may provide more efficient and economical exposure to fixed-income securities markets than direct investments. The Fund may use derivatives to hedge against specific risks, to increase income or gain, or to increase market exposure in excess of the Fund’s net assets.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund may invest more than 25% of its total assets in securities or obligations that are related in such a way that business or political developments or changes affecting one such security could also affect the others (for example, securities with interest that is paid from projects of a similar type).</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Market Risk:</span> The value of the Fund’s assets will fluctuate as the market or markets in which the Fund invests fluctuate. The value of the Fund’s investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events, including public health crises (including the occurrence of a contagious disease or illness), terrorism, war, changing interest rate levels, the imposition of new or additional tariffs, and regional and global conflicts, that affect large portions of the market.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Credit Risk:</span> An issuer or guarantor of a fixed-income security, or the counterparty to a derivatives or other contract, may be unable or unwilling to make timely payments of interest or principal, or to otherwise honor its obligations. The issuer or guarantor may default, causing a loss of the full principal amount of a security and accrued interest. The degree of risk for a particular security may be reflected in its credit rating. There is the possibility that the credit rating of a fixed-income security may be downgraded after purchase, which may adversely affect the value of the security.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Interest Rate Risk:</span> Changes in interest rates will affect the value of investments in fixed-income securities. When interest rates rise, the value of existing investments in fixed-income securities tends to fall and this decrease in value may not be offset by higher income from new investments. Interest rate risk is generally greater for fixed-income securities with longer maturities or durations. Changing interest rates may have unpredictable effects on the markets, may result in heightened market volatility and may detract from Fund performance. In addition, changes in monetary policy may exacerbate the risks associated with changing interest rates.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Municipal Market Risk:</span> This is the risk that special factors may adversely affect the value of municipal securities and have a significant effect on the yield or value of the Fund’s investments in municipal securities. These factors include economic conditions, political or legislative changes, public health crises, uncertainties related to the tax status of municipal securities, and the rights of investors in these securities. To the extent that the Fund invests more of its assets in the municipal securities of a particular state or territory, the Fund may be vulnerable to events adversely affecting that state or territory, including economic, political and regulatory occurrences, court decisions, terrorism, public health crises (including the occurrence of a contagious disease or illness) and catastrophic natural disasters, such as hurricanes, fires or earthquakes. The Fund’s investments in certain municipal securities with principal and interest payments that are made from the revenues of a specific project or facility, and not general tax revenues, may have increased risks. Factors affecting the project or facility, such as local business or economic conditions, could have a significant effect on the project’s ability to make payments of principal and interest on these securities.</div> </td> </tr> </table> <div style="margin-top: 6pt; margin-bottom: 0pt; margin-left: 2%; font-size: 10pt; font-family: times new roman;">In addition, changes in tax rates or the treatment of income from certain types of municipal securities, among other things, could negatively affect the municipal securities markets.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; margin-left: 2%; font-size: 10pt; font-family: times new roman;">The municipal securities issued by Puerto Rico and its government agencies and municipalities may have more risks than those of other U.S. issuers of municipal securities. Puerto Rico continues to face a challenging economic and fiscal environment. If the general economic situation in Puerto Rico persists or worsens, the volatility and credit quality of Puerto Rican municipal securities could continue to be adversely affected, and the market for such securities may deteriorate further.</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Tax Risk:</span> From time to time, the U.S. Government and the U.S. Congress consider changes in federal tax law that could limit or eliminate the federal tax exemption for municipal bond income, which would in effect reduce the income received by shareholders from the Fund by increasing taxes on that income. In such event, the Fund’s net asset value (“NAV”) could also decline as yields on municipal bonds, which are typically lower than those on taxable bonds, would be expected to increase to approximately the yield of comparable taxable bonds. Actions or anticipated actions affecting the tax-exempt status of municipal bonds could also result in significant shareholder redemptions of Fund shares as investors anticipate adverse effects on the Fund or seek higher yields to offset the potential loss of the tax deduction. As a result, the Fund would be required to maintain higher levels of cash to meet the redemptions, which would negatively affect the Fund’s yield.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Duration Risk:</span> Duration is a measure that relates the expected price volatility of a fixed-income security to changes in interest rates. The duration of a fixed-income security may be shorter than or equal to full maturity of a fixed-income security. Fixed-income securities with longer durations have more risk and will decrease in price as interest rates rise. For example, a fixed-income security with a duration of three years will likely decrease in value by approximately 3% if interest rates increase by 1%.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Below Investment Grade Securities Risk:</span> Investments in fixed-income securities with lower ratings (commonly known as “junk bonds”) are subject to a higher probability that an issuer will default or fail to meet its payment obligations. These securities may be subject to greater price volatility due to such factors as specific municipal or corporate developments and negative performance of the junk bond market generally and may be more difficult to trade than other types of securities.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Inflation Risk:</span> This is the risk that the value of assets or income from investments will be less in the future as inflation decreases the value of money. As inflation increases, the value of the Fund’s assets can decline as can the value of the Fund’s distributions. This risk is significantly greater for fixed-income securities with longer maturities.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Leverage Risk:</span> To the extent the Fund uses leveraging techniques, such as derivatives, its NAV may be more volatile because leverage tends to exaggerate the effect of changes in interest rates and any increase or decrease in the value of the Fund’s investments.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Derivatives Risk:</span> Derivatives may be difficult to price or unwind and may be leveraged so that small changes may produce disproportionate losses for the Fund. A short position in a derivative instrument involves the risk of a theoretically unlimited increase in the value of the underlying asset, reference rate or index, which could cause the Fund to suffer a potentially unlimited loss. Derivatives, especially over-the-counter derivatives, are also subject to counterparty risk, which is the risk that the counterparty (the party on the other side of the transaction) on a derivative transaction will be unable or unwilling to honor its contractual obligations to the Fund.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Illiquid Investments Risk:</span> Illiquid investments risk exists when certain investments are or become difficult to purchase or sell. Difficulty in selling such investments may result in sales at disadvantageous prices affecting the value of your investment in the Fund. Causes of illiquid investments risk may include low trading volumes and large positions. Municipal securities may have more illiquid investments risk than other fixed-income securities because they trade less frequently and the market for municipal securities is generally smaller than many other markets.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Variable and Floating-Rate Securities Risk:</span> Variable and floating-rate securities pay interest at rates that are adjusted periodically, according to a specific formula. Because the interest rate is reset only periodically, changes in the interest rate on these securities may lag behind changes in the prevailing market interest rates. The value of the security may rise or fall depending on changes in interest rates between periodic resets.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">When-Issued and Forward Commitment Risks:</span> These securities are purchased before the securities are actually issued or delivered. These securities are subject to the risk that, when delivered, they will be worth less than the agreed-upon purchase price.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Cash Transactions Risk:</span> The Fund intends to effectuate all or a portion of the issuance and redemption of Creation Units (as defined below) for cash, rather than in-kind securities. As a result, an investment in the Fund is expected to be less tax-efficient than an investment in an ETF that effectuates its transactions in Creation Units primarily on an in-kind basis. A fund that effects redemptions for cash may be required to sell portfolio securities in order to obtain the cash needed to distribute redemption proceeds. Any recognized gain on these sales by the Fund will generally cause the Fund to recognize a gain it might not otherwise have recognized, or to recognize such gain sooner than would otherwise be required as compared to an ETF that distributes portfolio securities in-kind in redemption of Creation Units. The Fund intends to distribute gains that arise by virtue of the issuance and redemption of Creation Units being effectuated in cash to shareholders to avoid being taxed on this gain at the fund level and otherwise comply with applicable tax requirements. This may cause shareholders to be subject to tax on gains to which they would not otherwise be subject, or at an earlier date than if they had made an investment in another ETF. Moreover, cash transactions may have to be carried out over several days if the securities market is relatively illiquid and may involve considerable brokerage fees and taxes. Brokerage fees, which will be higher than if the Fund sold and redeemed its shares principally in-kind, will be passed on to those purchasing and redeeming Creation Units in the form of creation and redemption transaction fees. In addition, these factors may result in wider spreads between the bid and ask prices of Fund shares than for ETFs that receive and distribute portfolio securities in-kind. The Fund’s use of cash for creations and redemptions could also result in dilution to the Fund and increased transaction costs, which could negatively impact the Fund’s ability to achieve its investment objective.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">ETF Share Price and Net Asset Value Risk:</span> The Fund’s shares are listed for trading on the NYSE Arca, Inc. (“NYSE Arca” or an “Exchange”). Shares are generally bought and sold in the secondary market at market prices. The NAV per share of the Fund will fluctuate with changes in the market value of the Fund’s holdings. The Fund’s NAV is calculated once per day, at the end of the day. The market price of a share on an Exchange could be higher than the NAV (premium), or lower than the</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt;">NAV (discount) and may fluctuate during the trading day. When all or a portion of the Fund’s underlying securities trade in a market that is closed when the market for the Fund’s shares is open, there may be differences between the current value of a security and the last quoted price for that security in the closed local market, which could lead to a deviation between the market value of the Fund’s shares and the Fund’s NAV. Disruptions in the creations and redemptions process or the existence of extreme market volatility could result in the Fund’s shares trading above or below NAV. As the Fund may invest in securities traded on foreign exchanges, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share than shares of other ETFs. In addition, in stressed market conditions, the market for Fund shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Authorized Participant Risk:</span> Only a limited number of financial institutions that enter into an authorized participant relationship with the Fund (“Authorized Participants”) may engage in creation or redemption transactions. If the Fund’s Authorized Participants decide not to create or redeem shares, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share, or the Fund could face trading halts or de-listing.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Active Trading Market Risk:</span> There is no guarantee that an active trading market for Fund shares will exist at all times. In times of market stress, markets can suffer erratic or unpredictable trading activity, extraordinary volatility or wide bid/ask spreads, which could cause some market makers and Authorized Participants to reduce their market activity or “step away” from making a market in ETF shares. Market makers and Authorized Participants are not obligated to place or execute purchase and redemption orders. This could cause the Fund’s market price to deviate, materially, from the NAV, and reduce the effectiveness of the ETF arbitrage process. Any absence of an active trading market for Fund shares could lead to a heightened risk that there will be a difference between the market price of a Fund share and the underlying value of the Fund share.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Management Risk:</span> The Fund is subject to management risk because it is an actively-managed ETF. The Adviser will apply its investment techniques and risk analyses in making investment decisions, but there is no guarantee that its techniques will produce the intended results. Some of these techniques may incorporate, or rely upon, quantitative models, but there is no guarantee that these models will generate accurate forecasts, reduce risk or otherwise perform as expected.</div> </td> </tr> </table> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">As with all investments, you may lose money by investing in the Fund.</div> BAR CHART AND PERFORMANCE INFORMATION <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The bar chart and performance information provide an indication of the historical risk of an investment in the Fund by showing:</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;">how the Fund’s performance changed from year to year over the life of the Fund; and</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;">how the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index.</div> </td> </tr> </table> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">You may obtain updated performance information on the website at <span style="text-decoration: underline;">www.abfunds.com</span> (click on “Investments—ETFs”).</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.</div> how the Fund’s performance changed from year to year over the life of the Fund; andhow the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index. www.abfunds.com The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. Bar Chart <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The annual returns in the bar chart are for the Fund’s shares.</div> Best Quarter 0.0306 2024-09-30 Worst Quarter -0.0116 2024-12-31 Performance TableAverage Annual Total Returns(For the periods ended December 31, 2025) 0.0435 0.0433 0.0429 0.0423 0.0398 0.0403 0.0425 0.0343 2023-12-13 2023-12-13 2023-12-13 After-tax returns:–Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and–Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. AB Tax-Aware Long Municipal ETF INVESTMENT OBJECTIVE <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s investment objective is to provide enhanced income and attractive risk-adjusted after-tax returns. </div> FEES AND EXPENSES OF THE FUND <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. <span style="font-weight:bold">You may be required to pay commissions and/or other forms of compensation to a broker for transactions in shares, which are not reflected in the tables or the examples below.</span> </div> Shareholder Fees (fees paid directly from your investment) 0 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) 0.0028 0 0.0000 0.0028 Examples <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Examples assume that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Examples also assume that your investment has a 5% return each year and that the Fund’s operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be: </div> 29 90 157 356 Portfolio Turnover <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund pays transaction costs, such as commissions, when it buys or sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Fund Operating Expenses or in the Examples, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 50% of the average value of its portfolio. </div> 0.50 PRINCIPAL STRATEGIES <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund is an actively-managed exchange-traded fund (“ETF”). The Fund pursues its objective by investing principally in a national portfolio of both municipal and taxable fixed-income securities. The Fund invests, under normal circumstances, at least 80% of its net assets, including any borrowings for investment purposes, in municipal securities that pay interest that is exempt from federal income tax. These securities may pay interest that is subject to the federal alternative minimum tax for certain taxpayers. The Fund may invest in fixed-income securities rated below investment grade (commonly known as “junk bonds”), although such securities are not expected to be the Fund’s primary focus. The Fund may invest in securities issued or guaranteed by Puerto Rico or its agencies or instrumentalities. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Adviser selects securities for the Fund based on a variety of factors, including credit quality, maturity, diversification benefits, and the relative expected after-tax returns of taxable and municipal securities (considering federal tax rates and without regard to state and local income taxes). The Adviser also considers the tax implications of the Fund’s trading activity, such as realizing taxable gains, in making investment decisions for the Fund. The Fund seeks to maintain an effective duration of seven to fourteen years under normal market conditions, although it may invest in fixed-income securities of any duration or maturity. </div><div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund may also invest in forward commitments and variable and floating-rate municipal securities. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund may use derivatives, primarily swaps, but also options, futures contracts and forwards, to achieve its investment strategies. For example, the Fund may enter into interest rate swaps relating to municipal and taxable fixed-income securities or credit default swaps relating to securities indices. Derivatives may provide more efficient and economical exposure to fixed-income securities markets than direct investments. The Fund may use derivatives to hedge against specific risks, to increase income or gain, or to increase market exposure in excess of the Fund’s net assets. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund may invest more than 25% of its total assets in securities or obligations that are related in such a way that business or political developments or changes affecting one such security could also affect the others (for example, securities with interest that is paid from projects of a similar type). </div> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Market Risk:</span> The value of the Fund’s assets will fluctuate as the market or markets in which the Fund invests fluctuate. The value of the Fund’s investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events, including public health crises (including the occurrence of a contagious disease or illness), terrorism, war, changing interest rate levels, the imposition of new or additional tariffs, and regional and global conflicts, that affect large portions of the market. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Credit Risk:</span> An issuer or guarantor of a fixed-income security, or the counterparty to a derivatives or other contract, may be unable or unwilling to make timely payments of interest or principal, or to otherwise honor its obligations. The issuer or guarantor may default, causing a loss of the full principal amount of a security and accrued interest. The degree of risk for a particular security may be reflected in its credit rating. There is the possibility that the credit rating of a fixed-income security may be downgraded after purchase, which may adversely affect the value of the security. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Interest Rate Risk:</span> Changes in interest rates will affect the value of investments in fixed-income securities. When interest rates rise, the value of existing investments in fixed-income securities tends to fall and this decrease in value may not be offset by higher income from new investments. Interest rate risk is generally greater for fixed-income securities with longer maturities or durations. Changing interest rates may have unpredictable effects on the markets, may result in heightened market volatility and may detract from Fund performance. In addition, changes in monetary policy may exacerbate the risks associated with changing interest rates. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Municipal Market Risk:</span> This is the risk that special factors may adversely affect the value of municipal securities and have a significant effect on the yield or value of the Fund’s investments in municipal securities. These factors include economic conditions, political or legislative changes, public health crises, uncertainties related to the tax status of municipal securities, and the rights of investors in these securities. To the extent that the Fund invests more of its assets in the municipal securities of a particular state or territory, the Fund may be vulnerable to events adversely affecting that state or territory, including economic, political and regulatory occurrences, court decisions, terrorism, public health crises (including the occurrence of a contagious disease or illness) and catastrophic natural disasters, such as hurricanes, fires or earthquakes. The Fund’s investments in certain municipal securities with principal and interest payments that are made from the revenues of a specific project or facility, and not general tax revenues, may have increased risks. Factors affecting the project or facility, such as local business or economic conditions, could have a significant effect on the project’s ability to make payments of principal and interest on these securities. </div> </td> </tr> </table><div style="margin-top:6pt;margin-bottom:0pt;margin-left:2%;font-size:10pt;font-family:times new roman;">In addition, changes in tax rates or the treatment of income from certain types of municipal securities, among other things, could negatively affect the municipal securities markets. </div><div style="margin-top:6pt;margin-bottom:0pt;margin-left:2%;font-size:10pt;font-family:times new roman;">The municipal securities issued by Puerto Rico and its government agencies and municipalities may have more risks than those of other U.S. issuers of municipal securities. Puerto Rico continues to face a challenging economic and fiscal environment. If the general economic situation in Puerto Rico persists or worsens, the volatility and credit quality of Puerto Rican municipal securities could continue to be adversely affected, and the market for such securities may deteriorate further. </div> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Tax Risk:</span> From time to time, the U.S. Government and the U.S. Congress consider changes in federal tax law that could limit or eliminate the federal tax exemption for municipal bond income, which would in effect reduce the income received by shareholders from the Fund by increasing taxes on that income. In such event, the Fund’s net asset value (“NAV”) could also decline as yields on municipal bonds, which are typically lower than those on taxable bonds, would be expected to increase to approximately the yield of comparable taxable bonds. Actions or anticipated actions affecting the tax-exempt status of municipal bonds could also result in significant shareholder redemptions of Fund shares as investors anticipate adverse effects on the Fund or seek higher yields to offset the potential loss of the tax deduction. As a result, the Fund would be required to maintain higher levels of cash to meet the redemptions, which would negatively affect the Fund’s yield. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Duration Risk:</span> Duration is a measure that relates the expected price volatility of a fixed-income security to changes in interest rates. The duration of a fixed-income security may be shorter than or equal to full maturity of a fixed-income security. Fixed-income securities with longer durations have more risk and will decrease in price as interest rates rise. For example, a fixed-income security with a duration of three years will likely decrease in value by approximately 3% if interest rates increase by 1%. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Below Investment Grade Securities Risk:</span> Investments in fixed-income securities with lower ratings (commonly known as “junk bonds”) are subject to a higher probability that an issuer will default or fail to meet its payment obligations. These securities may be subject to greater price volatility due to such factors as specific municipal or corporate developments and negative performance of the junk bond market generally and may be more difficult to trade than other types of securities. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Inflation Risk:</span> This is the risk that the value of assets or income from investments will be less in the future as inflation decreases the value of money. As inflation increases, the value of the Fund’s assets can decline as can the value of the Fund’s distributions. This risk is significantly greater for fixed-income securities with longer maturities. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Leverage Risk:</span> To the extent the Fund uses leveraging techniques, such as derivatives, its NAV may be more volatile because leverage tends to exaggerate the effect of changes in interest rates and any increase or decrease in the value of the Fund’s investments. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Derivatives Risk:</span> Derivatives may be difficult to price or unwind and may be leveraged so that small changes may produce disproportionate losses for the Fund. A short position in a derivative instrument involves the risk of a theoretically unlimited increase in the value of the underlying asset, reference rate or index, which could cause the Fund to suffer a potentially unlimited loss. Derivatives, especially over-the-counter derivatives, are also subject to counterparty risk, which is the risk that the counterparty (the party on the other side of the transaction) on a derivative transaction will be unable or unwilling to honor its contractual obligations to the Fund. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Illiquid Investments Risk:</span> Illiquid investments risk exists when certain investments are or become difficult to purchase or sell. Difficulty in selling such investments may result in sales at disadvantageous prices affecting the value of your investment in the Fund. Causes of illiquid investments risk may include low trading volumes and large positions. Municipal securities may have more illiquid investments risk than other fixed-income securities because they trade less frequently and the market for municipal securities is generally smaller than many other markets. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Variable and Floating-Rate Securities Risk:</span> Variable and floating-rate securities pay interest at rates that are adjusted periodically, according to a specific formula. Because the interest rate is reset only periodically, changes in the interest rate on these securities may lag behind changes in the prevailing market interest rates. The value of the security may rise or fall depending on changes in interest rates between periodic resets. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">When-Issued and Forward Commitment Risks:</span> These securities are purchased before the securities are actually issued or delivered. These securities are subject to the risk that, when delivered, they will be worth less than the agreed-upon purchase price. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Cash Transactions Risk:</span> The Fund intends to effectuate all or a portion of the issuance and redemption of Creation Units (as defined below) for cash, rather than in-kind securities. As a result, an investment in the Fund is expected to be less tax-efficient than an investment in an ETF that effectuates its transactions in Creation Units primarily on an in-kind basis. A fund that effects redemptions for cash may be required to sell portfolio securities in order to obtain the cash needed to distribute redemption proceeds. Any recognized gain on these sales by the Fund will generally cause the Fund to recognize a gain it might not otherwise have recognized, or to recognize such gain sooner than would otherwise be required as compared to an ETF that distributes portfolio securities in-kind in redemption of Creation Units. The Fund intends to distribute gains that arise by virtue of the issuance and redemption of Creation Units being effectuated in cash to shareholders to avoid being taxed on this gain at the fund level and otherwise comply with applicable tax requirements. This may cause shareholders to be subject to tax on gains to which they would not otherwise be subject, or at an earlier date than if they had made an investment in another ETF. Moreover, cash transactions may have to be carried out over several days if the securities market is relatively illiquid and may involve considerable brokerage fees and taxes. Brokerage fees, which will be higher than if the Fund sold and redeemed its shares principally in-kind, will be passed on to those purchasing and redeeming Creation Units in the form of creation and redemption transaction fees. In addition, these factors may result in wider spreads between the bid and ask prices of Fund shares than for ETFs that receive and distribute portfolio securities in-kind. The Fund’s use of cash for creations and redemptions could also result in dilution to the Fund and increased transaction costs, which could negatively impact the Fund’s ability to achieve its investment objective. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">ETF Share Price and Net Asset Value Risk:</span> The Fund’s shares are listed for trading on the NYSE Arca, Inc. (“NYSE Arca” or an “Exchange”). Shares are generally bought and sold in the secondary market at market prices. The NAV per share of the Fund will fluctuate with changes in the market value of the Fund’s holdings. The Fund’s NAV is calculated once per day, at the end of the day. The market price of a share on an Exchange could be higher than the NAV (premium), or lower than the </div> </td> </tr> </table><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:2%;"> </td> <td style="vertical-align:top;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;"> NAV (discount) and may fluctuate during the trading day. When all or a portion of the Fund’s underlying securities trade in a market that is closed when the market for the Fund’s shares is open, there may be differences between the current value of a security and the last quoted price for that security in the closed local market, which could lead to a deviation between the market value of the Fund’s shares and the Fund’s NAV. Disruptions in the creations and redemptions process or the existence of extreme market volatility could result in the Fund’s shares trading above or below NAV. As the Fund may invest in securities traded on foreign exchanges, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share than shares of other ETFs. In addition, in stressed market conditions, the market for Fund shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Authorized Participant Risk:</span> Only a limited number of financial institutions that enter into an authorized participant relationship with the Fund (“Authorized Participants”) may engage in creation or redemption transactions. If the Fund’s Authorized Participants decide not to create or redeem shares, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share, or the Fund could face trading halts or de-listing. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Active Trading Market Risk:</span> There is no guarantee that an active trading market for Fund shares will exist at all times. In times of market stress, markets can suffer erratic or unpredictable trading activity, extraordinary volatility or wide bid/ask spreads, which could cause some market makers and Authorized Participants to reduce their market activity or “step away” from making a market in ETF shares. Market makers and Authorized Participants are not obligated to place or execute purchase and redemption orders. This could cause the Fund’s market price to deviate, materially, from the NAV, and reduce the effectiveness of the ETF arbitrage process. Any absence of an active trading market for Fund shares could lead to a heightened risk that there will be a difference between the market price of a Fund share and the underlying value of the Fund share. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Management Risk:</span> The Fund is subject to management risk because it is an actively-managed ETF. The Adviser will apply its investment techniques and risk analyses in making investment decisions, but there is no guarantee that its techniques will produce the intended results. Some of these techniques may incorporate, or rely upon, quantitative models, but there is no guarantee that these models will generate accurate forecasts, reduce risk or otherwise perform as expected. </div> </td> </tr> </table> <div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">As with all investments, you may lose money by investing in the Fund. </div> BAR CHART AND PERFORMANCE INFORMATION <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The bar chart and performance information provide an indication of the historical risk of an investment in the Fund by showing: </div><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;">how the Fund’s performance changed from year to year over the life of the Fund; and </div> </td> </tr> </table><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;">how the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index. </div> </td> </tr> </table><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">You may obtain updated performance information on the website at <span style="text-decoration:underline">www.abfunds.com</span> (click on “Investments—ETFs”). </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. </div> how the Fund’s performance changed from year to year over the life of the Fund; and how the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index. www.abfunds.com The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. Bar Chart <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The annual returns in the bar chart are for the Fund’s shares. </div> Best Quarter 0.0362 2025-09-30 Worst Quarter -0.0128 2024-12-31 Performance Table Average Annual Total Returns (For the periods ended December 31, 2025) 0.0358 0.0398 0.0349 0.0388 0.0374 0.0390 0.0425 0.0343 0.0312 0.0321 2023-12-13 2023-12-13 2023-12-13 After-tax returns: –Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and–Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. AB California Intermediate Municipal ETF (successor to California Municipal Portfolio) INVESTMENT OBJECTIVE <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s investment objective is to provide safety of principal and maximize total return after taking account of federal and state taxes for California residents. </div> FEES AND EXPENSES OF THE FUND <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. <span style="font-weight:bold">You may be required to pay commissions and/or other forms of compensation to a broker for transactions in shares, which are not reflected in the tables or the examples below.</span> </div> Shareholder Fees (fees paid directly from your investment) 0 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) 0.0027 0 0.0000 0.0027 Total “Other Expenses” are based on estimated amounts for the current fiscal year. Examples <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Examples assume that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Examples also assume that your investment has a 5% return each year and that the Fund’s operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be: </div> 28 87 152 343 Portfolio Turnover <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund pays transaction costs, such as commissions, when it buys or sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Fund Operating Expenses or in the Examples, affect the Fund’s performance. During the most recent fiscal period ended November 30, 2025, the Fund’s portfolio turnover rate was 2% of the average value of its portfolio. </div> 0.02 PRINCIPAL STRATEGIES <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund is an actively-managed exchange-traded fund (“ETF”). As a matter of fundamental policy, the Fund, under normal circumstances, invests at least 80% of its net assets in municipal securities. In addition, as a matter of fundamental policy, the Fund, under normal circumstances, invests at least 80% of its net assets in a portfolio of municipal securities issued by the State of California or its political subdivisions, or otherwise exempt from California state income tax. For purposes of these policies, net assets include any borrowings for investment purposes. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The municipal securities in which the Fund may invest are issued to raise money for a variety of public or private purposes, including general financing for state and local governments, the District of Columbia or possessions and territories of the United States, or financing for specific projects or public facilities. The interest paid on these securities is generally exempt from federal and California state personal income tax, although in certain instances, it may be includable in income subject to alternative minimum tax. </div><div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund invests at least 80% of its total assets in municipal securities rated A or better by any nationally recognized statistical rating organization (“NRSRO”) (or, if unrated, determined by the Adviser), to be of comparable quality) and comparably rated municipal notes. For purposes of the foregoing 80% policy, ratings with pluses and minuses shall be deemed to fall within the overall letter to which the rating relates. The Fund may invest up to 20% of its total assets in below investment grade fixed-income securities (commonly known as “junk bonds”). </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund may invest, without limit, in revenue bonds, which generally do not have the pledge of the credit of the issuer. The Fund may invest, without limit, in securities or obligations that are related in such a way that business or political developments or changes affecting one such security could also affect the others (for example, securities with interest that is paid from projects of a similar type). </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund may also invest up to 20% of its net assets in fixed-income securities of U.S. issuers that are not municipal securities if, in the Adviser’s opinion, these securities will enhance the after-tax return for California investors. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund may use derivatives, such as options, futures contracts, forward contracts and swaps. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">In managing the Fund, the Adviser may use interest rate forecasting to estimate an appropriate level of interest rate risk at a given time. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund seeks to maintain an effective duration of three and one-half years to seven years under normal market conditions. Duration is a measure that relates the expected price volatility of a security to changes in interest rates. The duration of a debt security is the weighted average term to maturity, expressed in years, of the present value of all future cash flows, including coupon payments and principal repayments. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">Within the range described above, the Adviser may moderately shorten the average duration of the Fund when it expects interest rates to rise and moderately lengthen average duration when it anticipates that interest rates will fall. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Adviser selects securities for purchase or sale based on its assessment of the securities’ risk and return characteristics as well as the securities’ impact on the overall risk and return characteristics of the Fund. In making this assessment, the Adviser takes into account various factors including the credit quality and sensitivity to interest rates of the securities under consideration and of the Fund’s other holdings. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund is non-diversified under the Investment Company Act of 1940, as amended, which means it may invest a greater portion of its assets in fewer issuers than would otherwise be the case. </div> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Market Risk:</span> The value of the Fund’s assets will fluctuate as the markets for securities in which the Fund invests fluctuate. The value of the Fund’s investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events, including public health crises (including the occurrence of a contagious disease or illness), terrorism, war, changing interest rate levels, the imposition of new or additional tariffs, and regional and global conflicts, that affect large portions of the market. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Interest Rate Risk:</span> Changes in interest rates will affect the value of investments in fixed-income securities. When interest rates rise, the value of existing investments in fixed-income securities tends to fall and this decrease in value may not be offset by higher income from new investments. Interest rate risk is generally greater for fixed-income securities with longer maturities or durations. Changing interest rates may have unpredictable effects on the markets, may result in heightened market volatility and may detract from Fund performance. In addition, changes in monetary policy may exacerbate the risks associated with changing interest rates. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Credit Risk:</span> An issuer or guarantor of a fixed-income security may be unable or unwilling to make timely payments of interest or principal, or to otherwise honor its obligations. The issuer or guarantor may default, causing a loss of the full principal amount of a security and accrued interest. The degree of risk for a particular security may be reflected in its credit rating. There is the possibility that the credit rating of a fixed-income security may be downgraded after purchase, which may adversely affect the value of the security. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Duration Risk:</span> Duration is a measure that relates the expected price volatility of a fixed-income security to changes in interest rates. The duration of a fixed-income security may be shorter than or equal to full maturity of a fixed-income security. Fixed-income securities with longer durations have more risk and will decrease in price as interest rates rise. For example, a fixed-income security with a duration of three years will likely decrease in value by approximately 3% if interest rates increase by 1%. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Municipal Market Risk:</span> This is the risk that special factors may adversely affect the value of municipal securities and have a significant effect on the yield or value of the Fund’s investments in municipal securities. These factors include economic conditions, political or legislative changes, catastrophic natural disasters, public health crises, uncertainties related to the tax status of municipal securities, and the rights of investors in these securities. </div> </td> </tr> </table><div style="margin-top:0pt;margin-bottom:0pt;margin-left:2%;font-size:10pt;font-family:times new roman;">The value of municipal securities may also be adversely affected by rising health care costs, increasing unfunded pension liabilities, and by the phasing out of federal programs providing financial support. There have been some municipal issuers that have defaulted on obligations, been downgraded or commenced insolvency proceedings. The Fund may invest a substantial portion of its assets in California municipal securities. These investments in California municipal securities may be vulnerable to events adversely affecting its economy. California’s economy, the largest of the 50 states, is relatively diverse, which makes it less vulnerable to events affecting a particular industry. However, there remain a number of risks that threaten the state’s economy, including potentially unfavorable changes to federal policies, the uncertain impact of changes in federal tax law and trade policy, significant unfunded liabilities of the two main retirement systems managed by state entities, the California Public Employees’ Retirement System and the California State Teachers’ Retirement System, and public health crises (including the occurrence of a contagious disease or illness). California’s economy may also be affected by natural disasters, such as earthquakes, droughts, flooding or fires. The Fund’s investments in certain municipal securities with principal and interest payments that are made from the revenues of a specific project or facility, and not general tax revenues, may have increased risks. Factors affecting the project or facility, such as local business or economic conditions, could have a significant effect on the project’s ability to make payments of principal and interest on these securities. </div><div style="margin-top:6pt;margin-bottom:0pt;margin-left:2%;font-size:10pt;font-family:times new roman;">In addition, changes in tax rates or the treatment of income from certain types of municipal securities, among other things, could negatively affect the municipal securities markets. </div> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Inflation Risk:</span> This is the risk that the value of assets or income from investments will be less in the future as inflation decreases the value of money. As inflation increases, the value of the Fund’s assets can decline as can the value of the Fund’s distributions. This risk is significantly greater for fixed-income securities with longer maturities. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Non-diversification Risk: </span>Concentration of investments in a small number of securities tends to increase risk. The Fund is not “diversified”. This means that the Fund can invest more of its assets in a relatively small number of issuers with greater concentration of risk. Matters affecting these issuers can have a more significant effect on the Fund’s net asset value (“NAV”). </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Illiquid Investments Risk:</span> Illiquid investments risk exists when certain investments are or become difficult to purchase or sell. Difficulty in selling such investments may result in sales at disadvantageous prices affecting the value of your investment in the Fund. Causes of illiquid investments risk may include low trading volumes and large positions. Foreign fixed-income securities may have more illiquid investments risk because secondary trading markets for these securities may be smaller and less well-developed and the securities may trade less frequently than domestic securities. Illiquid investments risk may be higher in a rising interest rate environment, when the value and liquidity of fixed-income securities generally go down. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Redemption Risk: </span>The Fund may experience heavy redemptions that could cause the Fund to liquidate its assets at inopportune times or unfavorable prices or increase or accelerate taxable gains or transaction costs and may negatively affect the Fund’s NAV, or performance, which could cause the value of your investment to decline. Redemption risk is heightened during periods of overall market turmoil. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Derivatives Risk:</span> Derivatives may be difficult to price or unwind and may be leveraged so that small changes may produce disproportionate losses for the Fund. A short position in a derivative instrument involves the risk of a theoretically unlimited increase in the value of the underlying asset, reference rate or index, which could cause the Fund to suffer a potentially unlimited loss. Derivatives, especially over-the-counter derivatives, are also subject to counterparty risk, which is the risk that the counterparty (the party on the other side of the transaction) on a derivative transaction will be unable or unwilling to honor its contractual obligations to the Fund. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Tax Risk:</span> From time to time, the U.S. Government and the U.S. Congress consider changes in federal tax law that could limit or eliminate the federal tax exemption for municipal bond income, which would in effect reduce the income received by shareholders from the Fund by increasing taxes on that income. In such event, the Fund’s NAV could also decline as yields on municipal bonds, which are typically lower than those on taxable bonds, would be expected to increase to approximately the yield of comparable taxable bonds. Actions or anticipated actions affecting the tax-exempt status of municipal bonds could also result in significant shareholder redemptions of Fund shares as investors anticipate adverse effects on the Fund or seek higher yields to offset the potential loss of the tax deduction. As a result, the Fund would be required to maintain higher levels of cash to meet the redemptions, which would negatively affect the Fund’s yield. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Lower-rated Securities Risk:</span> Lower-rated securities, or junk bonds/high-yield securities, are subject to greater risk of loss of principal and interest and greater market risk than higher-rated securities. The capacity of issuers of lower-rated securities to pay interest and repay principal is more likely to weaken than is that of issuers of higher-rated securities in times of deteriorating economic conditions or rising interest rates. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Prepayment and Extension Risk:</span> Prepayment risk is the risk that a loan, bond or other security might be called or otherwise converted, prepaid or redeemed before maturity. If this happens, particularly during a time of declining interest rates or credit spreads, the Fund will not benefit from the rise in market price that normally accompanies a decline in interest rates, and may </div> </td> </tr> </table><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:2%;"> </td> <td style="vertical-align:top;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;"> not be able to invest the proceeds in securities providing as much income, resulting in a lower yield to the Fund. Conversely, extension risk is the risk that as interest rates rise or spreads widen, payments of securities may occur more slowly than anticipated by the market. If this happens, the values of these securities may go down because their interest rates are lower than current market rates and they remain outstanding longer than anticipated. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Cash Transactions Risk:</span> The Fund intends to effectuate all or a portion of the issuance and redemption of Creation Units (as defined below) for cash, rather than in-kind securities. As a result, an investment in the Fund is expected to be less tax-efficient than an investment in an ETF that effectuates its transactions in Creation Units primarily on an in-kind basis. A fund that effects redemptions for cash may be required to sell portfolio securities in order to obtain the cash needed to distribute redemption proceeds. Any recognized gain on these sales by the Fund will generally cause the Fund to recognize a gain it might not otherwise have recognized, or to recognize such gain sooner than would otherwise be required as compared to an ETF that distributes portfolio securities in-kind in redemption of Creation Units. The Fund intends to distribute gains that arise by virtue of the issuance and redemption of Creation Units being effectuated in cash to shareholders to avoid being taxed on this gain at the fund level and otherwise comply with applicable tax requirements. This may cause shareholders to be subject to tax on gains to which they would not otherwise be subject, or at an earlier date than if they had made an investment in another ETF. Moreover, cash transactions may have to be carried out over several days if the securities market is relatively illiquid and may involve considerable brokerage fees and taxes. Brokerage fees, which will be higher than if the Fund sold and redeemed its shares principally in-kind, will be passed on to those purchasing and redeeming Creation Units in the form of creation and redemption transaction fees. In addition, these factors may result in wider spreads between the bid and ask prices of Fund shares than for ETFs that receive and distribute portfolio securities in-kind. The Fund’s use of cash for creations and redemptions could also result in dilution to the Fund and increased transaction costs, which could negatively impact the Fund’s ability to achieve its investment objective. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">ETF Share Price and Net Asset Value Risk:</span> The Fund’s shares are listed for trading on the NYSE Arca, Inc. (“NYSE Arca” or an “Exchange”). The Fund’s shares are generally bought and sold in the secondary market at market prices. The NAV per share of the Fund will fluctuate with changes in the market value of the Fund’s holdings. The Fund’s NAV is calculated once per day, at the end of the day. The market price of a share on the Exchange could be higher than the NAV (premium), or lower than the NAV (discount) and may fluctuate during the trading day. When all or a portion of the Fund’s underlying securities trade in a market that is closed when the market for the Fund’s shares is open, there may be differences between the current value of a security and the last quoted price for that security in the closed local market, which could lead to a deviation between the market value of the Fund’s shares and the Fund’s NAV. Disruptions in the creations and redemptions process or the existence of extreme market volatility could result in the Fund’s shares trading above or below NAV. As the Fund may invest in securities traded on foreign exchanges, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share than shares of other ETFs. In addition, in stressed market conditions, the market for Fund shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Authorized Participant Risk:</span> Only a limited number of financial institutions that enter into an authorized participant relationship with the Fund (“Authorized Participants”) may engage in creation or redemption transactions. If the Fund’s Authorized Participants decide not to create or redeem shares, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share, or the Fund could face trading halts or de-listing. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Active Trading Market Risk:</span> There is no guarantee that an active trading market for Fund shares will exist at all times. In times of market stress, markets can suffer erratic or unpredictable trading activity, extraordinary volatility or wide bid/ask spreads, which could cause some market makers and Authorized Participants to reduce their market activity or “step away” from making a market in ETF shares. Market makers and Authorized Participants are not obligated to place or execute purchase and redemption orders. This could cause the Fund’s market price to deviate, materially, from the NAV, and reduce the effectiveness of the ETF arbitrage process. Any absence of an active trading market for Fund shares could lead to a heightened risk that there will be a difference between the market price of a Fund share and the underlying value of the Fund share. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Management Risk: </span>The Fund is subject to management risk because it is an actively-managed ETF. The Adviser will apply its investment techniques and risk analyses in making investment decisions, but there is no guarantee that its techniques will produce the intended results. Some of these techniques may incorporate, or rely upon, quantitative models, but there is no guarantee that these models will generate accurate forecasts, reduce risk or otherwise perform as expected. </div> </td> </tr> </table> <div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">As with all investments, you may lose money by investing in the Fund. </div> BAR CHART AND PERFORMANCE INFORMATION <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">Prior to commencing operations, the Fund acquired the assets and liabilities of California Municipal Portfolio (the “California Municipal Predecessor Fund” or a “Predecessor Fund”), a series of Sanford C. Bernstein Fund, Inc., and adopted the accounting and performance history of that fund (a “Reorganization”), as of the close of business on October 3, 2025. The information shown </div><div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;"> below for periods prior to the close of business on October 3, 2025 relates to the performance of Advisor Class shares of the California Municipal Predecessor Fund. The Fund has the same investment objective, strategies, policies and portfolio management team as the California Municipal Predecessor Fund. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The performance of the California Municipal Predecessor Fund shown below has not been adjusted to reflect the lower fees and expenses that will be incurred by the Fund. The California Municipal Predecessor Fund was a mutual fund, and the average annual total returns as shown below are based on NAV per share, and are not based on market prices for an ETF share as traded on an exchange. California Municipal Predecessor Fund performance is based on the performance of Advisor Class shares. Prior to the Fund’s acquisition of the California Municipal Predecessor Fund, the Class A and Class C shares of the California Municipal Predecessor Fund were converted into Advisor Class shares. At the time of the Reorganization, the Advisor Class shares and California Municipal Class shares were converted into Advisor Class shares. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The bar chart and performance information provide an indication of the historical risk of an investment in the Fund by showing: </div><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;">how the Fund’s performance changed from year to year over ten years; and </div> </td> </tr> </table><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;">how the Fund’s average annual returns for one, five and ten years compare to those of a broad-based securities market index and an additional index that more closely reflects the types of securities in which the Fund invests. </div> </td> </tr> </table><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">You may obtain updated performance information on the website at <span style="text-decoration:underline">www.abfunds.com</span> (click on “Investments—ETFs”). </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. </div> how the Fund’s performance changed from year to year over ten years; and how the Fund’s average annual returns for one, five and ten years compare to those of a broad-based securities market index and an additional index that more closely reflects the types of securities in which the Fund invests. www.abfunds.com The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. Bar Chart <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The annual returns in the bar chart are for the Fund’s shares. For periods prior to the close of business on October 3, 2025, the chart reflects returns of the Advisor Class shares of the California Municipal Predecessor Fund, which were reorganized into shares of the Fund in the Reorganization. </div> Best Quarter 0.0488 2023-12-31 Worst Quarter -0.0402 2022-03-31 Performance Table Average Annual Total Returns (For the periods ended December 31, 2025) 0.0456 0.0160 0.0207 0.0443 0.0154 0.0203 0.0384 0.0172 0.0207 0.0425 0.0080 0.0234 0.0514 0.0121 0.0208 After-tax Returns: –Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and–Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. AB New York Intermediate Municipal ETF (successor to New York Municipal Portfolio) INVESTMENT OBJECTIVE <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s investment objective is to provide safety of principal and maximize total return after taking account of federal, state and local taxes for New York residents. </div> FEES AND EXPENSES OF THE FUND <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. <span style="font-weight:bold">You may be required to pay commissions and/or other forms of compensation to a broker for transactions in shares, which are not reflected in the tables or the examples below.</span> </div> Shareholder Fees (fees paid directly from your investment) 0 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) 0.0027 0 0.0000 0.0027 Total “Other Expenses” are based on estimated amounts for the current fiscal year. Examples <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Examples assume that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Examples also assume that your investment has a 5% return each year and that the Fund’s operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be: </div> 28 87 152 343 Portfolio Turnover <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund pays transaction costs, such as commissions, when it buys or sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Fund Operating Expenses or in the Examples, affect the Fund’s performance. During the most recent fiscal period ended November 30, 2025, the Fund’s portfolio turnover rate was 1% of the average value of its portfolio. </div> 0.01 PRINCIPAL STRATEGIES <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund is an actively-managed exchange-traded fund (“ETF”). As a matter of fundamental policy, the Fund, under normal circumstances, invests at least 80% of its net assets in municipal securities. In addition, as a matter of fundamental policy, the Fund, under normal circumstances, invests at least 80% of its net assets in a portfolio of municipal securities issued by the State of New York or its political subdivisions, or otherwise exempt from New York state income tax. For purposes of this policy, net assets include any borrowings for investment purposes. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The municipal securities in which the Fund may invest are issued to raise money for a variety of public or private purposes, including general financing for state and local governments, the District of Columbia or possessions and territories of the United States, or financing for specific projects or public facilities. The interest paid on these securities is generally exempt from federal and New York state and local personal income tax, although in certain instances, it may be includable in income subject to alternative minimum tax. </div><div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund invests at least 80% of its total assets in municipal securities rated A or better by any nationally recognized statistical rating organization (“NRSRO”) (or, if unrated, determined by the Adviser, to be of comparable quality) and comparably rated municipal notes. For purposes of the foregoing 80% policy, ratings with pluses and minuses shall be deemed to fall within the overall letter to which the rating relates. The Fund may invest up to 20% of its total assets in below investment grade fixed-income securities (commonly known as “junk bonds”). </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund may invest, without limit, in revenue bonds, which generally do not have the pledge of the credit of the issuer. The Fund may invest, without limit, in securities or obligations that are related in such a way that business or political developments or changes affecting one such security could also affect the others (for example, securities with interest that is paid from projects of a similar type). </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund may also invest up to 20% of its net assets in fixed-income securities of U.S. issuers that are not municipal securities if, in the Adviser’s opinion, these securities will enhance the after-tax return for New York investors. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund may also use derivatives, such as options, futures contracts, forward contracts and swaps. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">In managing the Portfolio, the Adviser may use interest rate forecasting to estimate an appropriate level of interest rate risk at a given time. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund seeks to maintain an effective duration of three and one-half years to seven years under normal market conditions. Duration is a measure that relates the expected price volatility of a security to changes in interest rates. The duration of a debt security is the weighted average term to maturity, expressed in years, of the present value of all future cash flows, including coupon payments and principal repayments. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">Within the range described above, the Adviser may moderately shorten the average duration of the Fund when it expects interest rates to rise and moderately lengthen average duration when it anticipates that interest rates will fall. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Adviser selects securities for purchase or sale based on its assessment of the securities’ risk and return characteristics as well as the securities’ impact on the overall risk and return characteristics of the Fund. In making this assessment, the Adviser takes into account various factors including the credit quality and sensitivity to interest rates of the securities under consideration and of the Fund’s other holdings. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund is non-diversified under the Investment Company Act of 1940, as amended, which means it may invest a greater portion of assets in fewer issuers than would otherwise be the case. </div> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Market Risk:</span> The value of the Fund’s assets will fluctuate as the market or markets in which the Fund invests fluctuate. The value of the Fund’s investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events, including public health crises (including the occurrence of a contagious disease or illness), terrorism, war, changing interest rate levels, the imposition of new or additional tariffs, and regional and global conflicts, that affect large portions of the market. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Interest Rate Risk:</span> Changes in interest rates will affect the value of investments in fixed-income securities. When interest rates rise, the value of existing investments in fixed-income securities tends to fall and this decrease in value may not be offset by higher income from new investments. Interest rate risk is generally greater for fixed-income securities with longer maturities or durations. Changing interest rates may have unpredictable effects on the markets, may result in heightened market volatility and may detract from Fund performance. In addition, changes in monetary policy may exacerbate the risks associated with changing interest rates. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Credit Risk:</span> An issuer or guarantor of a fixed-income security may be unable or unwilling to make timely payments of interest or principal, or to otherwise honor its obligations. The issuer or guarantor may default, causing a loss of the full principal amount of a security and accrued interest. The degree of risk for a particular security may be reflected in its credit rating. There is the possibility that the credit rating of a fixed-income security may be downgraded after purchase, which may adversely affect the value of the security. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Duration Risk:</span> Duration is a measure that relates the expected price volatility of a fixed-income security to changes in interest rates. The duration of a fixed-income security may be shorter than or equal to full maturity of a fixed-income security. Fixed-income securities with longer durations have more risk and will decrease in price as interest rates rise. For example, a fixed-income security with a duration of three years will likely decrease in value by approximately 3% if interest rates increase by 1%. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Municipal Market Risk:</span> This is the risk that special factors may adversely affect the value of municipal securities and have a significant effect on the yield or value of the Fund’s investments in municipal securities. These factors include economic conditions, political or legislative changes, uncertainties related to the tax status of municipal securities, and the rights of investors in these securities. </div> </td> </tr> </table><div style="margin-top:0pt;margin-bottom:0pt;margin-left:2%;font-size:10pt;font-family:times new roman;">Most of the Fund’s investments are in New York municipal securities. Thus, the Fund may be vulnerable to events adversely affecting New York’s economy, including public health crises (including the occurrence of a contagious disease or illness). New York’s economy, while diverse, has a relatively large share of the nation’s financial activities. With the financial services sector contributing more than one-fifth of the state’s wages, the state’s economy is especially vulnerable to adverse events affecting the financial markets such as those that occurred in 2008-2009 and during the COVID-19 pandemic. In addition, as New York’s financial services and professional and business services sectors serve a global market, they can be highly sensitive to global trends. The Fund’s investments in certain municipal securities with principal and interest payments that are made from the revenues of a specific project or facility, and not general tax revenues, may have increased risks. Factors affecting the project or facility, such as local business or economic conditions, could have a significant effect on the project’s ability to make payments of principal and interest on these securities. </div><div style="margin-top:6pt;margin-bottom:0pt;margin-left:2%;font-size:10pt;font-family:times new roman;">In addition, changes in tax rates or the treatment of income from certain types of municipal securities, among other things, could negatively affect the municipal securities markets. </div> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Inflation Risk:</span> This is the risk that the value of assets or income from investments will be less in the future as inflation decreases the value of money. As inflation increases, the value of the Fund’s assets can decline as can the value of the Fund’s distributions. This risk is significantly greater for fixed-income securities with longer maturities. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Non-diversification Risk:</span> Concentration of investments in a small number of securities tends to increase risk. The Fund is not “diversified”. This means that the Fund can invest more of its assets in a relatively small number of issuers with greater concentration of risk. Matters affecting these issuers can have a more significant effect on the Fund’s net asset value (“NAV”). </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Illiquid Investments Risk:</span> Illiquid investments risk exists when certain investments are or become difficult to purchase or sell. Difficulty in selling such investments may result in sales at disadvantageous prices affecting the value of your investment in the Fund. Causes of illiquid investments risk may include low trading volumes and large positions. Foreign fixed-income securities may have more illiquid investments risk because secondary trading markets for these securities may be smaller and less well-developed and the securities may trade less frequently than domestic securities. Illiquid investments risk may be higher in a rising interest rate environment, when the value and liquidity of fixed-income securities generally go down. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Redemption Risk:</span> The Fund may experience heavy redemptions that could cause the Fund to liquidate its assets at inopportune times or unfavorable prices or increase or accelerate taxable gains or transaction costs and may negatively affect the Fund’s NAV, or performance, which could cause the value of your investment to decline. Redemption risk is heightened during periods of overall market turmoil. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Derivatives Risk:</span> Derivatives may be difficult to price or unwind and may be leveraged so that small changes may produce disproportionate losses for the Fund. A short position in a derivative instrument involves the risk of a theoretically unlimited increase in the value of the underlying asset, reference rate or index, which could cause the Fund to suffer a potentially unlimited loss. Derivatives, especially over-the-counter derivatives, are also subject to counterparty risk, which is the risk that the counterparty (the party on the other side of the transaction) on a derivative transaction will be unable or unwilling to honor its contractual obligations to the Fund. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Tax Risk:</span> From time to time, the U.S. Government and the U.S. Congress consider changes in federal tax law that could limit or eliminate the federal tax exemption for municipal bond income, which would in effect reduce the income received by shareholders from the Fund by increasing taxes on that income. In such event, the Fund’s NAV could also decline as yields on municipal bonds, which are typically lower than those on taxable bonds, would be expected to increase to approximately the yield of comparable taxable bonds. Actions or anticipated actions affecting the tax-exempt status of municipal bonds could also result in significant shareholder redemptions of Fund shares as investors anticipate adverse effects on the Fund or seek higher yields to offset the potential loss of the tax deduction. As a result, the Fund would be required to maintain higher levels of cash to meet the redemptions, which would negatively affect the Fund’s yield. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Lower-rated Securities Risk:</span> Lower-rated securities, or junk bonds/high-yield securities, are subject to greater risk of loss of principal and interest and greater market risk than higher-rated securities. The capacity of issuers of lower-rated securities to pay interest and repay principal is more likely to weaken than is that of issuers of higher-rated securities in times of deteriorating economic conditions or rising interest rates. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Prepayment and Extension Risk:</span> Prepayment risk is the risk that a loan, bond or other security might be called or otherwise converted, prepaid or redeemed before maturity. If this happens, particularly during a time of declining interest rates or credit spreads, the Fund will not benefit from the rise in market price that normally accompanies a decline in interest rates, and may not be able to invest the proceeds in securities providing as much income, resulting in a lower yield to the Fund. Conversely, extension risk is the risk that as interest rates rise or spreads widen, payments of securities may occur more slowly than anticipated by the market. If this happens, the values of these securities may go down because their interest rates are lower than current market rates and they remain outstanding longer than anticipated. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Cash Transactions Risk:</span> The Fund intends to effectuate all or a portion of the issuance and redemption of Creation Units (as defined below) for cash, rather than in-kind securities. As a result, an investment in the Fund is expected to be less tax-efficient than an investment in an ETF that effectuates its transactions in Creation Units primarily on an in-kind basis. A fund that effects redemptions for cash may be required to sell portfolio securities in order to obtain the cash needed to distribute redemption proceeds. Any recognized gain on these sales by the Fund will generally cause the Fund to recognize a gain it might not otherwise have recognized, or to recognize such gain sooner than would otherwise be required as compared to an ETF that distributes portfolio securities in-kind in redemption of Creation Units. The Fund intends to distribute gains that arise by virtue of the issuance and redemption of Creation Units being effectuated in cash to shareholders to avoid being taxed on this gain at the fund level and otherwise comply with applicable tax requirements. This may cause shareholders to be subject to tax on gains to which they would not otherwise be subject, or at an earlier date than if they had made an investment in another ETF. Moreover, cash transactions may have to be carried out over several days if the securities market is relatively illiquid and may involve considerable brokerage fees and taxes. Brokerage fees, which will be higher than if the Fund sold and redeemed its shares principally in-kind, will be passed on to those purchasing and redeeming Creation Units in the form of creation and redemption transaction fees. In addition, these factors may result in wider spreads between the bid and ask prices of Fund shares than for ETFs that receive and distribute portfolio securities in-kind. The Fund’s use of cash for creations and redemptions could also result in dilution to the Fund and increased transaction costs, which could negatively impact the Fund’s ability to achieve its investment objective. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">ETF Share Price and Net Asset Value Risk:</span> The Fund’s shares are listed for trading on the NYSE Arca, Inc. (“NYSE Arca” or an “Exchange”). The Fund’s shares are generally bought and sold in the secondary market at market prices. The NAV of the Fund will fluctuate with changes in the market value of the Fund’s holdings. The Fund’s NAV is calculated once per day, at the end of the day. The market price of a share on the Exchange could be higher than the NAV (premium), or lower than the NAV (discount) and may fluctuate during the trading day. When all or a portion of the Fund’s underlying securities trade in a market that is closed when the market for the Fund’s shares is open, there may be differences between the current value of a security and the last quoted price for that security in the closed local market, which could lead to a deviation between the market value of the Fund’s shares and the Fund’s NAV. Disruptions in the creations and redemptions process or the existence of extreme market volatility could result in the Fund’s shares trading above or below NAV. As the Fund may invest in securities traded on foreign exchanges, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share than shares of other ETFs. In addition, in stressed market conditions, the market for Fund shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Authorized Participant Risk:</span> Only a limited number of financial institutions that enter into an authorized participant relationship with the Fund (“Authorized Participants”) may engage in creation or redemption transactions. If the Fund’s Authorized Participants decide not to create or redeem shares, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share, or the Fund could face trading halts or de-listing. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Active Trading Market Risk:</span> There is no guarantee that an active trading market for Fund shares will exist at all times. In times of market stress, markets can suffer erratic or unpredictable trading activity, extraordinary volatility or wide bid/ask spreads, which could cause some market makers and Authorized Participants to reduce their market activity or “step away” from making a market in ETF shares. Market makers and Authorized Participants are not obligated to place or execute purchase and redemption orders. This could cause the Fund’s market price to deviate, materially, from the NAV, and reduce the effectiveness of the ETF arbitrage process. Any absence of an active trading market for Fund shares could lead to a heightened risk that there will be a difference between the market price of a Fund share and the underlying value of the Fund share. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Management Risk:</span> The Fund is subject to management risk because it is an actively-managed ETF. The Adviser will apply its investment techniques and risk analyses in making investment decisions, but there is no guarantee that its techniques will produce the intended results. Some of these techniques may incorporate, or rely upon, quantitative models, but there is no guarantee that these models will generate accurate forecasts, reduce risk or otherwise perform as expected. </div> </td> </tr> </table> <div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">As with all investments, you may lose money by investing in the Fund. </div> BAR CHART AND PERFORMANCE INFORMATION <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">Prior to commencing operations, the Fund acquired the assets and liabilities of New York Municipal Portfolio (the “New York Municipal Predecessor Fund” or a “Predecessor Fund”), a series of Sanford C. Bernstein Fund, Inc., and adopted the accounting and performance history of that fund (a “Reorganization”), as of the close of business on November 7, 2025. The information shown below for periods prior to November 7, 2025 relates to the performance of Advisor Class shares of the New York Municipal Predecessor Fund. The Fund has the same investment objective, strategies, policies and portfolio management team as the New York Municipal Predecessor Fund. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The performance of the New York Municipal Predecessor Fund shown below has not been adjusted to reflect the lower fees and expenses that will be incurred by the Fund. The New York Municipal Predecessor Fund was a mutual fund, and the average </div><div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;"> annual total returns as shown below are based on NAV per share, and are not based on market prices for an ETF share as traded on an exchange. New York Municipal Predecessor Fund performance is based on the performance of Advisor Class shares. Prior to the Fund’s acquisition of the New York Municipal Predecessor Fund, the New York Municipal Predecessor Fund’s Class A and Class C share classes were converted into Advisor Class shares. At the time of the Reorganization, the Advisor Class shares and the New York Municipal Class shares were converted into Advisor Class shares. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The bar chart and performance information provide an indication of the historical risk of an investment in the Fund by showing: </div><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;">how the Fund’s performance changed from year to year over ten years; and </div> </td> </tr> </table><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;">how the Fund’s average annual returns for one, five and ten years compare to those of a broad-based securities market index and an additional index that more closely reflects the types of securities in which the Fund invests. </div> </td> </tr> </table><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">You may obtain updated performance information on the website at <span style="text-decoration:underline">www.abfunds.com</span> (click on “Investments—ETFs”). </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;"><span style="font-weight:bold"></span>The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. <span style="font-weight:bold"> </span></div> how the Fund’s performance changed from year to year over ten years; and how the Fund’s average annual returns for one, five and ten years compare to those of a broad-based securities market index and an additional index that more closely reflects the types of securities in which the Fund invests. www.abfunds.com The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. Bar Chart <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The annual returns in the bar chart are for the Fund’s shares. For periods prior to the close of business on November 7, 2025, the chart reflects returns of the Advisor Class shares of the New York Municipal Predecessor Fund, which were reorganized into shares of the Fund in the Reorganization. </div> Best Quarter 0.0495 2023-12-31 Worst Quarter -0.0442 2022-03-31 Performance Table Average Annual Total Returns (For the periods ended December 31, 2025) 0.0385 0.0140 0.0194 0.0369 0.0133 0.0190 0.0329 0.0154 0.0197 0.0425 0.0080 0.0234 0.0514 0.0121 0.0208 After-tax returns: –Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and– Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. EQUITIES AB Disruptors ETF INVESTMENT OBJECTIVE <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s investment objective is long-term growth of capital. </div> FEES AND EXPENSES OF THE FUND <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. <span style="font-weight:bold">You may be required to pay commissions and/or other forms of compensation to a broker for transactions in shares, which are not reflected in the tables or the examples below.</span> </div> Shareholder Fees (fees paid directly from your investment) 0 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) 0.0065 0 0.0000 0.0065 Examples <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Examples assume that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Examples also assume that your investment has a 5% return each year and that the Fund’s operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be: </div> 66 208 362 810 Portfolio Turnover <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund pays transaction costs, such as commissions, when it buys or sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Fund Operating Expenses or in the Examples, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 196% of the average value of its portfolio. </div> 1.96 PRINCIPAL STRATEGIES <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund is an actively-managed exchange-traded fund (“ETF”). The Adviser seeks to achieve the Fund’s investment objective by investing, under normal circumstances, in a global portfolio of equity securities. The Fund invests in companies of all market capitalizations, and invests globally in companies located in various developed and emerging market countries. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">In pursuing the Fund’s investment objective, the Adviser will invest the Fund’s assets in the securities of companies that it considers to offer good prospects for attractive returns relative to general equity markets. The Adviser seeks to invest in “disruptive” innovation leaders, which are companies that are at the forefront of global innovation through the use of technology to change the status quo in the markets for their products or services, to develop new products, to enhance existing products or to develop or improve creative solutions that increase demand for their products. The Fund may invest in companies in any sector or industry, although the Adviser’s focus on innovation leaders may result in substantial investment in companies operating in one or more industries within the information technology sector. </div><div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Adviser’s research process combines top-down evaluation of innovative growth trends with fundamental bottom-up analysis that seeks to identify companies that are true innovators in their field and offer durable growth prospects. The factors that the Adviser considers as part of its fundamental analysis include, among others, a company’s current profitability, projected future profitability, growth prospects, competitive position, pricing power, technological advantage, and strength of management. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">Currency fluctuations can have a dramatic impact on equity returns, significantly adding to returns in some years and greatly diminishing them in others. The Fund will not typically hedge its currency exposure. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund is non-diversified under the Investment Company Act of 1940, as amended, which means it may invest a greater portion of its assets in fewer issuers than would otherwise be the case. </div> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Market Risk:</span> The value of the Fund’s assets will fluctuate as the market or markets in which the Fund invests fluctuate. The value of the Fund’s investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events, including public health crises (including the occurrence of a contagious disease or illness), terrorism, war, changing interest rate levels, the imposition of new or additional tariffs, and regional and global conflicts, that affect large portions of the market. It includes the risk that a particular style of investing may be underperforming the market generally. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Equity Securities Risk:</span> The Fund invests in publicly-traded equity securities, and their value may fluctuate, sometimes rapidly and unpredictably, which means a security may be worth more or less than when it was purchased. These fluctuations can be based on a variety of factors including a company’s financial condition as well as macro-economic factors such as interest rates, inflation rates, global market conditions, and non-economic factors such as market perceptions and social or political events. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Foreign (Non-U.S.) Investments Risk:</span> Investments in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be more difficult to trade than domestic securities due to adverse market, economic, political, regulatory or other factors. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Global Risk:</span> The Fund invests in companies in multiple countries, and companies in which the Fund invests may experience differing outcomes with respect to safety and security, economic uncertainties, natural and environmental conditions, health conditions (including pandemics such as Covid-19) and/or systemic market dislocations (including market dislocations due to events outside a company’s country or region, including supply chain events). The global interconnectivity of industries and companies, especially with respect to goods, can be negatively impacted by events occurring beyond a company’s principal geographic location. These events can contribute to volatility, valuation and liquidity issues, and can affect specific companies, countries, regions and global markets. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Emerging Market Risk:</span> Investments in emerging market countries may involve more risks than investments in other foreign countries because the markets are less developed, less liquid and are subject to increased potential for market manipulation, and increased economic, political, regulatory or other uncertainties. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Currency Risk:</span> Fluctuations in currency exchange rates may negatively affect the value of the Fund’s investments or reduce its returns. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Capitalization Risk:</span> Investments in small- and mid-capitalization companies may be more volatile than investments in large-capitalization companies. Investments in small-capitalization companies may have additional risks because these companies have limited product lines, markets or financial resources. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Sector Risk: </span>The Fund may have more risk because it may invest to a significant extent in one or more particular market sectors, such as the information technology sector. To the extent it does so, market or economic factors affecting the relevant sector(s) could have a major effect on the value of the Fund’s investments. Because the Fund may invest to a significant extent in the information technology sector, the Fund’s performance largely depends on the general condition of that sector. Companies in the information technology sector could be affected by, among other things, changes in interest rates, overall economic conditions, short product cycles, rapid obsolescence of products, competition, and government regulation. Companies in the software industry may be adversely affected by, among other things, the decline or fluctuation of subscription renewal rates for their products and services and actual or perceived vulnerabilities in their products or services. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Depositary Receipts Risk:</span> Investing in depositary receipts involves risks that are similar to the risks of direct investments in foreign securities. For example, investing in depositary receipts may involve risks relating to political, economic or regulatory conditions in foreign countries. In addition, the issuers of the securities underlying certain depositary receipts are under no obligation to distribute shareholder communications or pass through any voting rights with respect to the deposited securities to the holders of such receipts. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Non-Diversification Risk:</span> The Fund may have more risk because it is “non-diversified”, meaning that it can invest more of its assets in a smaller number of issuers. Accordingly, changes in the value of a single security may have a more significant effect, either negative or positive, on the Fund’s net asset value (“NAV”) than on the NAV of a diversified fund. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Active Trading Risk: </span>The Fund expects to engage in active and frequent trading of its portfolio securities and its portfolio turnover rate may greatly exceed 100%. A higher rate of portfolio turnover increases transaction costs, which may negatively affect the Fund’s return. In addition, a high rate of portfolio turnover may result in substantial short-term gains, which may have adverse tax consequences for Fund shareholders. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">ETF Share Price and Net Asset Value Risk:</span> The Fund’s shares are listed for trading on the NYSE Arca, Inc. (“NYSE Arca” or an “Exchange”). The Fund’s shares are generally bought and sold in the secondary market at market prices. The NAV of the Fund will fluctuate with changes in the market value of the Fund’s holdings. The Fund’s NAV is calculated once per day, at the end of the day. The market price of a share on an Exchange could be higher than the NAV (premium), or lower than the NAV (discount) and may fluctuate during the trading day. When all or a portion of the Fund’s underlying securities trade in a market that is closed when the market for the Fund’s shares is open, there may be differences between the current value of a security and the last quoted price for that security in the closed local market, which could lead to a deviation between the market value of the Fund’s shares and the Fund’s NAV. Disruptions in the creations and redemptions process or the existence of extreme market volatility could result in the Fund’s shares trading above or below NAV. As the Fund may invest in securities traded on foreign exchanges, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share than shares of other ETFs. In addition, in stressed market conditions, the market for Fund shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Authorized Participant Risk:</span> Only a limited number of financial institutions that enter into an authorized participant relationship with the Fund (“Authorized Participants”) may engage in creation or redemption transactions. If the Fund’s Authorized Participants decide not to create or redeem shares, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share, or the Fund could face trading halts or de-listing. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Active Trading Market Risk:</span> There is no guarantee that an active trading market for Fund shares will exist at all times. In times of market stress, markets can suffer erratic or unpredictable trading activity, extraordinary volatility or wide bid/ask spreads, which could cause some market makers and Authorized Participants to reduce their market activity or “step away” from making a market in ETF shares. Market makers and Authorized Participants are not obligated to place or execute purchase and redemption orders. This could cause the Fund’s market price to deviate, materially, from the NAV, and reduce the effectiveness of the ETF arbitrage process. Any absence of an active trading market for Fund shares could lead to a heightened risk that there will be a difference between the market price of a Fund share and the underlying value of the Fund share. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Capital Gain Risk: </span>As of the date of this Prospectus, a substantial portion of the Fund’s NAV is attributable to realized and/or net unrealized capital gains on portfolio securities. If the Fund realizes capital gains in excess of realized capital losses in any fiscal year, it generally expects to make capital gain distributions to shareholders. You may receive distributions that are attributable to appreciation of portfolio securities that happened before you made your investment. Unless you purchase shares through a tax-advantaged account (such as an IRA or 401(k) plan), these distributions will be taxable to you even though they economically represent a return of a portion of your investment. You should consult your tax professional about your investment in the Fund. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Management Risk: </span>The Fund is subject to management risk because it is an actively-managed investment fund. The Adviser will apply its investment techniques and risk analyses in making investment decisions, but there is no guarantee that its techniques will produce the intended results. Some of these techniques may incorporate, or rely upon, quantitative models, but there is no guarantee that these models will generate accurate forecasts, reduce risk or otherwise perform as expected. </div> </td> </tr> </table> <div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">As with all investments, you may lose money by investing in the Fund. </div> BAR CHART AND PERFORMANCE INFORMATION <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The bar chart and performance information provide an indication of the historical risk of an investment in the Fund by showing: </div><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;">how the Fund’s performance changed from year to year over the life of the Fund; and </div> </td> </tr> </table><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;">how the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index and an additional index that more closely reflects the types of securities in which the Fund invests. </div> </td> </tr> </table><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">You may obtain updated performance information on the website at <span style="text-decoration:underline">www.abfunds.com</span> (click on “Investments—ETFs”). </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. </div> how the Fund’s performance changed from year to year over the life of the Fund; and how the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index and an additional index that more closely reflects the types of securities in which the Fund invests. www.abfunds.com The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. Bar Chart <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The annual returns in the bar chart are for the Fund’s shares. </div> Best Quarter 0.2780 2025-06-30 Worst Quarter -0.1154 2025-03-31 Performance Table Average Annual Total Returns (For the periods ended December 31, 2025) 0.3204 0.3122 0.3201 0.3096 0.1900 0.2492 0.2234 0.2071 0.2244 0.2460 2023-03-22 2023-03-22 2023-03-22 After-tax returns: –Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and–Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. AB US High Dividend ETF INVESTMENT OBJECTIVE <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s investment objective is current income and long-term growth of capital. </div> FEES AND EXPENSES OF THE FUND <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. <span style="font-weight:bold">You may be required to pay commissions and/or other forms of compensation to a broker for transactions in shares, which are not reflected in the tables or the examples below.</span> </div> Shareholder Fees (fees paid directly from your investment) 0 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) 0.0035 0 0.0000 0.0035 Management Fees have been restated to reflect a contractual reduction in management fees effective May 9, 2025. Examples <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Examples assume that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Examples also assume that your investment has a 5% return each year and that the Fund’s operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be: </div> 36 113 197 443 Portfolio Turnover <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund pays transaction costs, such as commissions, when it buys or sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Fund Operating Expenses or in the Examples, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 181% of the average value of its portfolio. </div> 1.81 PRINCIPAL STRATEGIES <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund is an actively-managed exchange-traded fund (“ETF”). The Adviser seeks to achieve the Fund’s investment objective by investing, under normal circumstances, at least 80% of its net assets in the equity securities of U.S. companies. A company is considered to be a U.S. company if: (i) the company is domiciled or organized in the U.S.; (ii) the company has securities that are traded principally in the U.S.; or (iii) the company conducts a substantial part of its economic activities in the U.S. The Fund may also invest to a lesser degree in the equity securities of non-U.S. companies. The Fund primarily invests in dividend-paying equity securities. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund invests in companies that are determined to be attractive by the Adviser with an emphasis on income generation. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Adviser employs a systematic approach to identify attractive companies that pay dividends and have the potential for long-term capital generation. Using this approach, the Adviser systematically analyzes thousands of companies across styles and sectors to identify factors that are complementary to the payment of high dividends with the goal of consistently delivering returns and income. Factors that the Adviser considers in this regard include quantitative metrics such as dividend yield, balance sheet quality, price </div><div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;"> momentum, among others. While its emphasis is on investing in companies that currently pay a dividend, the Adviser may also invest in non-dividend paying companies. The Fund primarily invests in mid- and large-capitalization companies, which are currently defined for the Fund as companies that have market capitalizations of $2 billion or more. The Fund may use derivatives, such as options, futures contracts, forwards, and swaps, for hedging (reducing risks), efficient portfolio management and other investment purposes. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund is non-diversified under the Investment Company Act of 1940, as amended, which means it may invest a greater portion of its assets in fewer issuers than would otherwise be the case. </div> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Market Risk:</span> The value of the Fund’s assets will fluctuate as the market or markets in which the Fund invests fluctuate. The value of the Fund’s investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events, including public health crises (including the occurrence of a contagious disease or illness), terrorism, war, changing interest rate levels, the imposition of new or additional tariffs, and regional and global conflicts, that affect large portions of the market. It includes the risk that a particular style of investing may be underperforming the market generally. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Equity Securities Risk:</span> The Fund invests in publicly-traded equity securities, and their value may fluctuate, sometimes rapidly and unpredictably, which means a security may be worth more or less than when it was purchased. These fluctuations can be based on a variety of factors including a company’s financial condition as well as macro-economic factors such as interest rates, inflation rates, global market conditions, and non-economic factors such as market perceptions and social or political events. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Dividend Paying Securities Risk:</span> The Fund invests in securities that pay dividends. There can be no assurance that dividends will be declared or paid on securities held by the Fund in the future, or that dividends will remain at current levels or increase. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Capitalization Risk:</span> Investments in mid-capitalization companies may be more volatile than investments in large-capitalization companies. Investments in mid-capitalization companies may have additional risks because these companies have limited product lines, markets or financial resources. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Active Trading Risk: </span>The Fund expects to engage in active and frequent trading of its portfolio securities and its portfolio turnover rate may greatly exceed 100%. A higher rate of portfolio turnover increases transaction costs, which may negatively affect the Fund’s return. In addition, a high rate of portfolio turnover may result in substantial short-term gains, which may have adverse tax consequences for Fund shareholders. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Quantitative Models:</span> The Adviser uses quantitative models to identify investment opportunities. These models are based on the assumption that price movements in most markets display very similar patterns. There is the risk that market behavior will change and that the patterns upon which the forecasts in the models are based will weaken or disappear, which would reduce the ability of the models to generate an excess return. Further, as market dynamics shift over time, a previously highly successful model may become outdated, perhaps without the Adviser recognizing that fact before substantial losses are incurred. Successful operation of a model is also reliant upon the information technology systems of the Adviser and its ability to ensure those systems remain operational and that appropriate disaster recovery procedures are in place. There can be no assurance that the Adviser will be successful in maintaining effective and operational quantitative models and the related hardware and software systems. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Foreign (Non-U.S.) Investments Risk:</span> Investments in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be more difficult to trade than domestic securities due to adverse market, economic, political, regulatory or other factors. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Non-Diversification Risk:</span> The Fund may have more risk because it is “non-diversified”, meaning that it can invest more of its assets in a smaller number of issuers. Accordingly, changes in the value of a single security may have a more significant effect, either negative or positive, on the Fund’s net asset value (“NAV”) than on the NAV of a diversified fund. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Derivatives Risk:</span> Derivatives may be difficult to price or unwind and may be leveraged so that small changes may produce disproportionate losses for the Fund. A short position in a derivative instrument involves the risk of a theoretically unlimited increase in the value of the underlying asset, reference rate or index, which could cause the Fund to suffer a potentially unlimited loss. Derivatives, especially over-the-counter derivatives, are also subject to counterparty risk, which is the risk that the counterparty (the party on the other side of the transaction) on a derivative transaction will be unable or unwilling to honor its contractual obligations to the Fund. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">ETF Share Price and Net Asset Value Risk:</span> The Fund’s shares are listed for trading on the NYSE Arca, Inc. (“NYSE Arca” or an “Exchange”). The Fund’s shares are generally bought and sold in the secondary market at market prices. The NAV of the Fund will fluctuate with changes in the market value of the Fund’s holdings. The Fund’s NAV is calculated once per day, at the end of the day. The market price of a share on an Exchange could be higher than the NAV (premium), or lower than the NAV (discount) and may fluctuate during the trading day. When all or a portion of the Fund’s underlying securities trade in a market that is closed when the market for the Fund’s shares is open, there may be differences between the current value of a </div> </td> </tr> </table><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:2%;"> </td> <td style="vertical-align:top;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;"> security and the last quoted price for that security in the closed local market, which could lead to a deviation between the market value of the Fund’s shares and the Fund’s NAV. Disruptions in the creations and redemptions process or the existence of extreme market volatility could result in the Fund’s shares trading above or below NAV. As the Fund may invest in securities traded on foreign exchanges, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share than shares of other ETFs. In addition, in stressed market conditions, the market for Fund shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Authorized Participant Risk:</span> Only a limited number of financial institutions that enter into an authorized participant relationship with the Fund (“Authorized Participants”) may engage in creation or redemption transactions. If the Fund’s Authorized Participants decide not to create or redeem shares, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share, or the Fund could face trading halts or de-listing. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Active Trading Market Risk:</span> There is no guarantee that an active trading market for Fund shares will exist at all times. In times of market stress, markets can suffer erratic or unpredictable trading activity, extraordinary volatility or wide bid/ask spreads, which could cause some market makers and Authorized Participants to reduce their market activity or “step away” from making a market in ETF shares. Market makers and Authorized Participants are not obligated to place or execute purchase and redemption orders. This could cause the Fund’s market price to deviate, materially, from the NAV, and reduce the effectiveness of the ETF arbitrage process. Any absence of an active trading market for Fund shares could lead to a heightened risk that there will be a difference between the market price of a Fund share and the underlying value of the Fund share. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Sector Risk: </span>The Fund may have more risk because it may invest to a significant extent in one or more particular market sectors, such as the information technology sector. To the extent it does so, market or economic factors affecting the relevant sector(s) could have a major effect on the value of the Fund’s investments. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Management Risk: </span>The Fund is subject to management risk because it is an actively-managed investment fund. The Adviser will apply its investment techniques and risk analyses in making investment decisions, but there is no guarantee that its techniques will produce the intended results. Some of these techniques may incorporate, or rely upon, quantitative models, but there is no guarantee that these models will generate accurate forecasts, reduce risk or otherwise perform as expected. </div> </td> </tr> </table> <div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">As with all investments, you may lose money by investing in the Fund. </div> BAR CHART AND PERFORMANCE INFORMATION <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The bar chart and performance information provide an indication of the historical risk of an investment in the Fund by showing: </div><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;">how the Fund’s performance changed from year to year over the life of the Fund; and </div> </td> </tr> </table><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;">how the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index. </div> </td> </tr> </table><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">You may obtain updated performance information on the website at <span style="text-decoration:underline">www.abfunds.com</span> (click on “Investments—ETFs”). </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. </div> how the Fund’s performance changed from year to year over the life of the Fund; and how the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index. www.abfunds.com The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. Bar Chart <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The annual returns in the bar chart are for the Fund’s shares. </div> Best Quarter 0.1133 2023-12-31 Worst Quarter -0.0347 2025-03-31 Performance Table Average Annual Total Returns (For the periods ended December 31, 2025) 0.1460 0.2180 0.1385 0.2097 0.0894 0.1703 0.1788 0.2297 2023-03-22 2023-03-22 2023-03-22 After-tax returns: –Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and–Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. AB US Large Cap Strategic Equities ETF INVESTMENT OBJECTIVE <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s investment objective is long-term growth of capital. </div> FEES AND EXPENSES OF THE FUND <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. <span style="font-weight:bold">You may be required to pay commissions and/or other forms of compensation to a broker for transactions in shares, which are not reflected in the tables or the examples below.</span> </div> Shareholder Fees (fees paid directly from your investment) 0 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) 0.0039 0 0.0000 0.0039 Management Fees have been restated to reflect a contractual reduction in management fees effective May 9, 2025. Examples <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Examples assume that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Examples also assume that your investment has a 5% return each year and that the Fund’s operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be: </div> 40 125 219 493 Portfolio Turnover <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund pays transaction costs, such as commissions, when it buys or sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Fund Operating Expenses or in the Examples, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 21% of the average value of its portfolio. </div> 0.21 PRINCIPAL STRATEGIES <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund is an actively-managed exchange-traded fund (“ETF”). The Adviser seeks to achieve the Fund’s investment objective by investing, under normal circumstances, at least 80% of its net assets in the equity securities of large-capitalization U.S. companies. For these purposes, “large-capitalization companies” are those that, at the time of investment, have market capitalizations within the range of market capitalizations of companies appearing in the S&amp;P 500 Index. While the market capitalizations of companies in the S&amp;P 500 Index ranged from approximately $5.6 billion to $4.5 trillion as of December 31, 2025, the Fund normally will invest in equity securities of companies with market capitalizations of at least $5 billion at the time of purchase. A company is considered to be a U.S. company if: (i) the company is domiciled or organized in the U.S.; (ii) the company has securities that are traded principally in the U.S.; or (iii) the company conducts a substantial part of its economic activities in the U.S. The Fund may also invest to a lesser degree in the equity securities of non-U.S. companies and of small- and mid- capitalization companies. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Adviser utilizes both fundamental and quantitative research to determine the securities in which the Fund invests and to manage risk. In applying its quantitative analysis, the Adviser considers a number of metrics that, in its opinion, have historically provided </div><div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;"> some indication of favorable future returns, including metrics relating to valuation, quality, investor behavior and corporate behavior. In assessing corporate behavior, the Adviser focuses on a company’s capital allocation decisions, including share repurchases, net equity issuances and balance sheet management. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund is non-diversified under the Investment Company Act of 1940, as amended, which means it may invest a greater portion of its assets in fewer issuers than would otherwise be the case. </div> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Market Risk:</span> The value of the Fund’s assets will fluctuate as the market or markets in which the Fund invests fluctuate. The value of the Fund’s investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events, including public health crises (including the occurrence of a contagious disease or illness), terrorism, war, changing interest rate levels, the imposition of new or additional tariffs, and regional and global conflicts, that affect large portions of the market. It includes the risk that a particular style of investing may be underperforming the market generally. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Equity Securities Risk:</span> The Fund invests in publicly-traded equity securities, and their value may fluctuate, sometimes rapidly and unpredictably, which means a security may be worth more or less than when it was purchased. These fluctuations can be based on a variety of factors including a company’s financial condition as well as macro-economic factors such as interest rates, inflation rates, global market conditions, and non-economic factors such as market perceptions and social or political events. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Capitalization Risk:</span> Investments in small- and mid-capitalization companies may be more volatile than investments in large-capitalization companies. Investments in small-capitalization companies may have additional risks because these companies have limited product lines, markets or financial resources. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Foreign (Non-U.S.) Investments Risk:</span> Investments in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be more difficult to trade than domestic securities due to adverse market, economic, political, regulatory or other factors. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Non-Diversification Risk:</span> The Fund may have more risk because it is “non-diversified”, meaning that it can invest more of its assets in a smaller number of issuers. Accordingly, changes in the value of a single security may have a more significant effect, either negative or positive, on the Fund’s net asset value (“NAV”) than on the NAV of a diversified fund. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">ETF Share Price and Net Asset Value Risk:</span> The Fund’s shares are listed for trading on the NYSE Arca, Inc. (“NYSE Arca” or an “Exchange”). The Fund’s shares are generally bought and sold in the secondary market at market prices. The NAV of the Fund will fluctuate with changes in the market value of the Fund’s holdings. The Fund’s NAV is calculated once per day, at the end of the day. The market price of a share on an Exchange could be higher than the NAV (premium), or lower than the NAV (discount) and may fluctuate during the trading day. When all or a portion of the Fund’s underlying securities trade in a market that is closed when the market for the Fund’s shares is open, there may be differences between the current value of a security and the last quoted price for that security in the closed local market, which could lead to a deviation between the market value of the Fund’s shares and the Fund’s NAV. Disruptions in the creations and redemptions process or the existence of extreme market volatility could result in the Fund’s shares trading above or below NAV. As the Fund may invest in securities traded on foreign exchanges, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share than shares of other ETFs. In addition, in stressed market conditions, the market for Fund shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Authorized Participant Risk:</span> Only a limited number of financial institutions that enter into an authorized participant relationship with the Fund (“Authorized Participants”) may engage in creation or redemption transactions. If the Fund’s Authorized Participants decide not to create or redeem shares, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share, or the Fund could face trading halts or de-listing. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Active Trading Market Risk:</span> There is no guarantee that an active trading market for Fund shares will exist at all times. In times of market stress, markets can suffer erratic or unpredictable trading activity, extraordinary volatility or wide bid/ask spreads, which could cause some market makers and Authorized Participants to reduce their market activity or “step away” from making a market in ETF shares. Market makers and Authorized Participants are not obligated to place or execute purchase and redemption orders. This could cause the Fund’s market price to deviate, materially, from the NAV, and reduce the effectiveness of the ETF arbitrage process. Any absence of an active trading market for Fund shares could lead to a heightened risk that there will be a difference between the market price of a Fund share and the underlying value of the Fund share. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Sector Risk: </span>The Fund may have more risk because it may invest to a significant extent in one or more particular market sectors, such as the information technology sector. To the extent it does so, market or economic factors affecting the relevant sector(s) could have a major effect on the value of the Fund’s investments. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Management Risk: </span>The Fund is subject to management risk because it is an actively-managed ETF. The Adviser will apply its investment techniques and risk analyses in making investment decisions, but there is no guarantee that its techniques will produce the intended results. Some of these techniques may incorporate, or rely upon, quantitative models, but there is no guarantee that these models will generate accurate forecasts, reduce risk or otherwise perform as expected. </div> </td> </tr> </table> <div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">As with all investments, you may lose money by investing in the Fund. </div> BAR CHART AND PERFORMANCE INFORMATION <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The bar chart and performance information provide an indication of the historical risk of an investment in the Fund by showing: </div><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;">how the Fund’s performance changed from year to year over the life of the Fund; and </div> </td> </tr> </table><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;">how the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index. </div> </td> </tr> </table><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">You may obtain updated performance information on the website at <span style="text-decoration:underline">www.abfunds.com</span> (click on “Investments—ETFs”). </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. </div> how the Fund’s performance changed from year to year over the life of the Fund; and how the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index. www.abfunds.com The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. Bar Chart <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The annual returns in the bar chart are for the Fund’s shares. </div> Best Quarter 0.1201 2024-03-31 Worst Quarter -0.0482 2025-03-31 Performance Table Average Annual Total Returns (For the periods ended December 31, 2025) 0.1621 0.2196 0.1604 0.2180 0.0971 0.1719 0.1788 0.2246 2023-09-20 2023-09-20 2023-09-20 After-tax returns: –Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and–Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. AB US Low Volatility Equity ETF INVESTMENT OBJECTIVE <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s investment objective is capital appreciation with an emphasis on lower volatility compared to the broader equity market. </div> FEES AND EXPENSES OF THE FUND <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. <span style="font-weight:bold"></span><span style="font-weight:bold">You may be required to pay commissions and/or other forms of compensation to a broker for transactions in shares, which are not reflected in the tables or the examples below.</span><span style="font-weight:bold"></span> </div> Shareholder Fees (fees paid directly from your investment) 0 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) 0.0039 0 0.0000 0.0039 Management Fees have been restated to reflect a contractual reduction in management fees effective May 9, 2025. Examples <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Examples assume that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Examples also assume that your investment has a 5% return each year and that the Fund’s operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be: </div> 40 125 219 493 Portfolio Turnover <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund pays transaction costs, such as commissions, when it buys or sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Fund Operating Expenses or in the Examples, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 34% of the average value of its portfolio. </div> 0.34 PRINCIPAL STRATEGIES <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund is an actively-managed exchange-traded fund (“ETF”). The Adviser seeks to achieve the Fund’s investment objective by investing, under normal circumstances, at least 80% of its net assets in the equity securities of U.S. companies. A company is considered to be a U.S. company if: (i) the company is domiciled or organized in the U.S.; (ii) the company has securities that are traded principally in the U.S.; or (iii) the company conducts a substantial part of its economic activities in the U.S. The Fund may also invest to a lesser degree in the equity securities of non-U.S. companies. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund invests in companies that are determined by the Adviser to offer favorable long-term sustainable profitability, price stability, and attractive valuations. The Adviser employs an integrated approach that combines both fundamental and quantitative research to identify attractive investment opportunities. Factors that the Adviser considers in this regard include: a company’s record and projections of profitability, accuracy and availability of information with respect to the company, success and experience of </div><div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;"> management, competitive advantage, low stock price volatility, and liquidity of the company’s securities. The Adviser compares these results to the characteristics of the general stock markets to determine the relative attractiveness of each company at a given time. The Adviser weighs economic, political and market factors in making investment decisions. The Adviser seeks to manage the Fund so that it is subject to less share price volatility than other funds investing in U.S. equity securities, although there can be no guarantee that the Adviser will be successful in this regard. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund primarily invests in mid- and large-capitalization companies, which are currently defined for the Fund as companies that have market capitalizations of $2 billion or more. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund is non-diversified under the Investment Company Act of 1940, as amended, which means it may invest a greater portion of its assets in fewer issuers than would otherwise be the case. </div> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Market Risk:</span> The value of the Fund’s assets will fluctuate as the market or markets in which the Fund invests fluctuate. The value of the Fund’s investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events, including public health crises (including the occurrence of a contagious disease or illness), terrorism, war, changing interest rate levels, the imposition of new or additional tariffs, and regional and global conflicts, that affect large portions of the market. It includes the risk that a particular style of investing may be underperforming the market generally. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Equity Securities Risk:</span> The Fund invests in publicly-traded equity securities, and their value may fluctuate, sometimes rapidly and unpredictably, which means a security may be worth more or less than when it was purchased. These fluctuations can be based on a variety of factors including a company’s financial condition as well as macro-economic factors such as interest rates, inflation rates, global market conditions, and non-economic factors such as market perceptions and social or political events. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Capitalization Risk:</span> Investments in mid-capitalization companies may be more volatile than investments in large-capitalization companies. Investments in mid-capitalization companies may have additional risks because these companies have limited product lines, markets or financial resources. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Foreign (Non-U.S.) Investments Risk:</span> Investments in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be more difficult to trade than domestic securities due to adverse market, economic, political, regulatory or other factors. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Non-Diversification Risk:</span> The Fund may have more risk because it is “non-diversified”, meaning that it can invest more of its assets in a smaller number of issuers. Accordingly, changes in the value of a single security may have a more significant effect, either negative or positive, on the Fund’s net asset value (“NAV”) than on the NAV of a diversified fund. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">ETF Share Price and Net Asset Value Risk:</span> The Fund’s shares are listed for trading on the NYSE Arca, Inc. (“NYSE Arca” or an “Exchange”). The Fund’s shares are generally bought and sold in the secondary market at market prices. The NAV of the Fund will fluctuate with changes in the market value of the Fund’s holdings. The Fund’s NAV is calculated once per day, at the end of the day. The market price of a share on an Exchange could be higher than the NAV (premium), or lower than the NAV (discount) and may fluctuate during the trading day. When all or a portion of the Fund’s underlying securities trade in a market that is closed when the market for the Fund’s shares is open, there may be differences between the current value of a security and the last quoted price for that security in the closed local market, which could lead to a deviation between the market value of the Fund’s shares and the Fund’s NAV. Disruptions in the creations and redemptions process or the existence of extreme market volatility could result in the Fund’s shares trading above or below NAV. As the Fund may invest in securities traded on foreign exchanges, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share than shares of other ETFs. In addition, in stressed market conditions, the market for Fund shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Authorized Participant Risk:</span> Only a limited number of financial institutions that enter into an authorized participant relationship with the Fund (“Authorized Participants”) may engage in creation or redemption transactions. If the Fund’s Authorized Participants decide not to create or redeem shares, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share, or the Fund could face trading halts or de-listing. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Active Trading Market Risk:</span> There is no guarantee that an active trading market for Fund shares will exist at all times. In times of market stress, markets can suffer erratic or unpredictable trading activity, extraordinary volatility or wide bid/ask spreads, which could cause some market makers and Authorized Participants to reduce their market activity or “step away” from making a market in ETF shares. Market makers and Authorized Participants are not obligated to place or execute purchase and redemption orders. This could cause the Fund’s market price to deviate, materially, from the NAV, and reduce the effectiveness of the ETF arbitrage process. Any absence of an active trading market for Fund shares could lead to a heightened risk that there will be a difference between the market price of a Fund share and the underlying value of the Fund share. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Sector Risk: </span>The Fund may have more risk because it may invest to a significant extent in one or more particular market sectors, such as the information technology sector. To the extent it does so, market or economic factors affecting the relevant sector(s) could have a major effect on the value of the Fund’s investments. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Management Risk: </span>The Fund is subject to management risk because it is an actively-managed ETF. The Adviser will apply its investment techniques and risk analyses in making investment decisions, but there is no guarantee that its techniques will produce the intended results. Some of these techniques may incorporate, or rely upon, quantitative models, but there is no guarantee that these models will generate accurate forecasts, reduce risk or otherwise perform as expected. </div> </td> </tr> </table> As with all investments, you may lose money by investing in the Fund. BAR CHART AND PERFORMANCE INFORMATION <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The bar chart and performance information provide an indication of the historical risk of an investment in the Fund by showing: </div><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;">how the Fund’s performance changed from year to year over the life of the Fund; and </div> </td> </tr> </table><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;">how the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index. </div> </td> </tr> </table><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">You may obtain updated performance information on the website at <span style="text-decoration:underline">www.abfunds.com</span> (click on “Investments—ETFs”). </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. </div> how the Fund’s performance changed from year to year over the life of the Fund; and how the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index. www.abfunds.com The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. Bar Chart <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The annual returns in the bar chart are for the Fund’s shares. </div> Best Quarter 0.1028 2023-12-31 Worst Quarter -0.0232 2023-09-30 Performance Table Average Annual Total Returns (For the periods ended December 31, 2025) 0.1223 0.1865 0.1199 0.1838 0.0739 0.1465 0.1788 0.2297 2023-03-22 2023-03-22 2023-03-22 After-tax returns: –Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and–Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. AB International Low Volatility Equity ETF INVESTMENT OBJECTIVE <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s investment objective is to seek long-term growth of capital. </div> FEES AND EXPENSES OF THE FUND <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. <span style="font-weight:bold">You may be required to pay commissions and/or other forms of compensation to a broker for transactions in shares, which are not reflected in the tables or the examples below.</span> </div> Shareholder Fees (fees paid directly from your investment) 0 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) 0.0050 0 0.0000 0.0050 Examples <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Examples assume that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Examples also assume that your investment has a 5% return each year and that the Fund’s operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be: </div> 51 160 280 628 Portfolio Turnover <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund pays transaction costs, such as commissions, when it buys or sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Fund Operating Expenses or in the Examples, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 27% of the average value of its portfolio. </div> 0.27 PRINCIPAL STRATEGIES <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund is an actively-managed exchange-traded fund (“ETF”). The Adviser seeks to achieve the Fund’s investment objective by investing, under normal circumstances, at least 80% of its net assets, including any borrowings for investment purposes, in equity securities of non-U.S. companies, and in companies in at least three countries other than the United States. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund invests in companies that are determined by the Adviser to offer favorable long-term sustainable profitability, price stability, and attractive valuations. The Adviser employs an integrated approach that combines both fundamental and quantitative research to identify attractive investment opportunities. Factors that the Adviser considers in this regard include: a company’s record and projections of profitability, accuracy and availability of information with respect to the company, success and experience of management, competitive advantage, low stock price volatility, and liquidity of the company’s securities. The Adviser compares these results to the characteristics of the general stock markets to determine the relative attractiveness of each company at a given time. The Adviser weighs economic, political and market factors in making investment decisions. The Adviser seeks to manage the Fund so that it is subject to less share price volatility than many other international mutual funds, although there can be no guarantee that the Adviser will be successful in this regard. </div><div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund primarily invests in mid- and large-capitalization companies, which are currently defined for the Fund as companies that have market capitalizations of $1.5 billion or more. The Fund’s holdings of non-U.S. companies will generally include some companies located in emerging markets. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">Fluctuations in currency exchange rates can have a dramatic impact on the returns of equity securities. The Adviser may adjust the foreign currency exposure resulting from the Fund’s security positions through the use of currency-related derivatives, primarily in an effort to minimize the currency risk to which the Fund is subject. However, the Adviser is not required to use such derivatives. </div> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Market Risk:</span> The value of the Fund’s assets will fluctuate as the market or markets in which the Fund invests fluctuate. The value of the Fund’s investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events, including public health crises (including the occurrence of a contagious disease or illness), terrorism, war, changing interest rate levels, the imposition of new or additional tariffs, and regional and global conflicts, that affect large portions of the market. It includes the risk that a particular style of investing may be underperforming the market generally. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Equity Securities Risk: </span>The Fund invests in publicly-traded equity securities, and their value may fluctuate, sometimes rapidly and unpredictably, which means a security may be worth more or less than when it was purchased. These fluctuations can be based on a variety of factors including a company’s financial condition as well as macro-economic factors such as interest rates, inflation rates, global market conditions, and non-economic factors such as market perceptions and social or political events. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Foreign (Non-U.S.) Investments Risk:</span> Investments in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be more difficult to trade than domestic securities due to adverse market, economic, political, regulatory or other factors. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Currency Risk:</span> Fluctuations in currency exchange rates may negatively affect the value of the Fund’s investments or reduce its returns. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Capitalization Risk:</span> Investments in mid-capitalization companies may be more volatile than investments in large-capitalization companies. Investments in mid-capitalization companies may have additional risks because these companies have limited product lines, markets or financial resources. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Derivatives Risk:</span> Derivatives may be difficult to price or unwind and may be leveraged so that small changes may produce disproportionate losses for the Fund. A short position in a derivative instrument involves the risk of a theoretically unlimited increase in the value of the underlying asset, reference rate or index, which could cause the Fund to suffer a potentially unlimited loss. Derivatives, especially over-the-counter derivatives, are also subject to counterparty risk, which is the risk that the counterparty (the party on the other side of the transaction) on a derivative transaction will be unable or unwilling to honor its contractual obligations to the Fund. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">ETF Share Price and Net Asset Value Risk:</span> The Fund’s shares are listed for trading on the NYSE Arca, Inc. (“NYSE Arca” or an “Exchange”). Shares are generally bought and sold in the secondary market at market prices. The net asset value (“NAV”) per share of the Fund will fluctuate with changes in the market value of the Fund’s holdings. The Fund’s NAV is calculated once per day, at the end of the day. The market price of a share on an Exchange could be higher than the NAV (premium), or lower than the NAV (discount) and may fluctuate during the trading day. When all or a portion of the Fund’s underlying securities trade in a market that is closed when the market for the Fund’s shares is open, there may be differences between the current value of a security and the last quoted price for that security in the closed local market, which could lead to a deviation between the market value of the Fund’s shares and the Fund’s NAV. Disruptions in the creations and redemptions process or the existence of extreme market volatility could result in the Fund’s shares trading above or below NAV. As the Fund may invest in securities traded on foreign exchanges, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share than shares of other ETFs. In addition, in stressed market conditions, the market for Fund shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Authorized Participant Risk:</span> Only a limited number of financial institutions that enter into an authorized participant relationship with the Fund (“Authorized Participants”) may engage in creation or redemption transactions. If the Fund’s Authorized Participants decide not to create or redeem shares, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share, or the Fund could face trading halts or de-listing. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Active Trading Market Risk:</span> There is no guarantee that an active trading market for Fund shares will exist at all times. In times of market stress, markets can suffer erratic or unpredictable trading activity, extraordinary volatility or wide bid/ask spreads, which could cause some market makers and Authorized Participants to reduce their market activity or “step away” from making a market in ETF shares. Market makers and Authorized Participants are not obligated to place or execute purchase and redemption orders. This could cause the Fund’s market price to deviate, materially, from the NAV, and reduce the effectiveness of the ETF arbitrage process. Any absence of an active trading market for Fund shares could lead to a heightened risk that there will be a difference between the market price of a Fund share and the underlying value of the Fund share. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Sector Risk: </span>The Fund may have more risk because it may invest to a significant extent in one or more particular market sectors, such as the financials sector. To the extent it does so, market or economic factors affecting the relevant sector(s) could have a major effect on the value of the Fund’s investments. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Capital Gain Risk: </span>As of the date of this Prospectus, a substantial portion of the Fund’s NAV is attributable to realized and/or net unrealized capital gains on portfolio securities. If the Fund realizes capital gains in excess of realized capital losses in any fiscal year, it generally expects to make capital gain distributions to shareholders. You may receive distributions that are attributable to appreciation of portfolio securities that happened before you made your investment. Unless you purchase shares through a tax-advantaged account (such as an IRA or 401(k) plan), these distributions will be taxable to you even though they economically represent a return of a portion of your investment. You should consult your tax professional about your investment in the Fund. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Management Risk: </span>The Fund is subject to management risk because it is an actively-managed ETF. The Adviser will apply its investment techniques and risk analyses in making investment decisions, but there is no guarantee that its techniques will produce the intended results. Some of these techniques may incorporate, or rely upon, quantitative models, but there is no guarantee that these models will generate accurate forecasts, reduce risk or otherwise perform as expected. </div> </td> </tr> </table> As with all investments, you may lose money by investing in the Fund. BAR CHART AND PERFORMANCE INFORMATION <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">Prior to commencing operations, the Fund acquired the assets and liabilities of AB International Low Volatility Equity Portfolio (the “International Low Volatility Equity Predecessor Fund” or a “Predecessor Fund”), a series of AB Cap Fund, Inc., and adopted the accounting and performance history of that fund (a “Reorganization”), as of the close of business on July 12, 2024. The information shown below for periods prior to the close of business on July 12, 2024 relates to the performance of Advisor Class shares of the International Low Volatility Equity Predecessor Fund. The Fund has the same investment objective, strategies, policies and portfolio management team as the International Low Volatility Equity Predecessor Fund. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The performance of the International Low Volatility Equity Predecessor Fund shown below has not been adjusted to reflect the lower fees and expenses that will be incurred by the Fund. The International Low Volatility Equity Predecessor Fund was a mutual fund, and the average annual total returns as shown below are based on NAV per share, and are not based on market prices for an ETF share as traded on an exchange. International Low Volatility Equity Predecessor Fund performance is based on the performance of Advisor Class shares. Prior to the Fund’s acquisition of the International Low Volatility Equity Predecessor Fund, the other share classes of the International Low Volatility Equity Predecessor Fund were converted into Advisor Class shares. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The bar chart and performance information provide an indication of the historical risk of an investment in the Fund by showing: </div><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;">how the Fund’s performance changed from year to year over ten years; and </div> </td> </tr> </table><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;">how the Fund’s average annual returns for one year, five and ten years compare to those of a broad-based securities market index. </div> </td> </tr> </table><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">You may obtain updated performance information at <span style="text-decoration:underline">www.abfunds.com</span> (click on “Investments—ETFs”). </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. </div> how the Fund’s performance changed from year to year over ten years; and how the Fund’s average annual returns for one year, five and ten years compare to those of a broad-based securities market index. www.abfunds.com The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. Bar Chart <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The annual returns in the bar chart are for the Fund’s shares. For periods prior to the close of business on July 12, 2024, the chart reflects returns of the Advisor Class shares of the International Low Volatility Equity Predecessor Fund, which were reorganized into shares of the Fund in the Reorganization. </div> Best Quarter 0.1350 2020-06-30 Worst Quarter -0.1984 2020-03-31 Performance Table Average Annual Total Returns (For the periods ended December 31, 2025) 0.2756 0.0855 0.0787 0.2707 0.0835 0.0759 0.1665 0.0681 0.0640 0.3122 0.0892 0.0818 After-tax returns: –Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and–Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. AB International Growth ETF INVESTMENT OBJECTIVE <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s investment objective is to seek long-term growth of capital. </div> FEES AND EXPENSES OF THE FUND <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. <span style="font-weight:bold">You may be required to pay commissions and/or other forms of compensation to a broker for transactions in shares, which are not reflected in the tables or the examples below.</span> </div> Shareholder Fees (fees paid directly from your investment) 0 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) 0.0055 0 0.0000 0.0055 Total “Other Expenses” are based on estimated amounts for the current fiscal year. Examples <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Examples assume that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Examples also assume that your investment has a 5% return each year and that the Fund’s operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be: </div> 56 176 Portfolio Turnover <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund pays transaction costs, such as commissions, when it buys or sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Fund Operating Expenses or in the Examples, affect the Fund’s performance. During the most recent fiscal period ended November 30, 2025, the Fund’s portfolio turnover rate was 1% of the average value of its portfolio. </div> 0.01 PRINCIPAL STRATEGIES <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund is an actively-managed exchange-traded fund (“ETF”). The Adviser seeks to achieve the Fund’s investment objective by investing, under normal circumstances, primarily in equity securities of non-U.S. companies, and in companies in at least three countries other than the United States. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">In pursuing the Fund’s investment objective, the Adviser employs a bottom-up research-driven approach to construct a portfolio of highly profitable companies with strong management teams and durable competitive strengths. The Adviser focuses on companies that it believes exhibit compelling structural growth and quality characteristics and aims to hold them for the long-term to harness the compounding effect of consistent high cash flows and earnings. Valuation is also emphasized to ensure sustained potential for growth over an extended period. The Fund may invest in securities of companies of any market capitalization or industry. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Adviser’s research focuses on analyzing companies based on three primary characteristics: structural growth, quality and valuation. In evaluating companies’ structural growth prospects, the Adviser considers strength of business model, innovation potential, and exposure to secular market growth drivers. In assessing quality, the Adviser analyzes balance sheet strength, long-term competitive position and the presence of barriers to entry to defend pricing power over the long term. The Adviser applies its valuation criteria by evaluating each security’s estimated long-term potential value in comparison to its current market value. </div><div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund may invest in emerging markets companies, and at times emerging market companies may make up a significant portion of the Fund. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">Currency fluctuations can have a dramatic impact on equity returns, significantly adding to returns in some years and greatly diminishing them in others. While the Adviser may hedge the foreign currency exposure resulting from the Fund’s security positions through the use of currency-related derivatives, it is not required to do so. </div> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Market Risk:</span> The value of the Fund’s assets will fluctuate as the market or markets in which the Fund invests fluctuate. The value of the Fund’s investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events, including public health crises (including the occurrence of a contagious disease or illness), terrorism, war, changing interest rate levels, the imposition of new or additional tariffs, and regional and global conflicts, that affect large portions of the market. It includes the risk that a particular style of investing may be underperforming the market generally. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Equity Securities Risk: </span>The Fund invests in publicly-traded equity securities, and their value may fluctuate, sometimes rapidly and unpredictably, which means a security may be worth more or less than when it was purchased. These fluctuations can be based on a variety of factors including a company’s financial condition as well as macro-economic factors such as interest rates, inflation rates, global market conditions, and non-economic factors such as market perceptions and social or political events. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Foreign (Non-U.S.) Investments Risk:</span> Investments in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be more difficult to trade than domestic securities due to adverse market, economic, political, regulatory or other factors. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Emerging Market Risk:</span> Investments in foreign securities entail significant risks in addition to those customarily associated with investing in U.S. equities. These risks include risks related to unfavorable or unsuccessful government actions, reduction of government or central bank support, economic sanctions and tariffs and potential responses to those sanctions and tariffs, inadequate accounting standards and auditing and financial recordkeeping requirements, lack of information, social instability, armed conflict, and other adverse market, economic, political and regulatory factors, all of which could disrupt the financial markets in which the Fund invests and adversely affect the value of the Fund’s assets. These risks are heightened with respect to issuers in emerging-market countries because the markets are less developed, less liquid and subject to increased potential for market manipulation, and there may be a greater amount of economic, political and social uncertainty. These risks are even more pronounced in “frontier” markets, which are investable markets with lower total market capitalization and liquidity than the more developed emerging markets. Emerging markets typically have fewer medical and economic resources than more developed countries, and thus they may be less able to control or mitigate the effects of a pandemic, climate change, or a natural disaster. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Currency Risk:</span> Fluctuations in currency exchange rates may negatively affect the value of the Fund’s investments or reduce its returns. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Country Concentration Risk:</span> The Fund may not be diversified among countries or geographic regions and the effect on the Fund’s net asset value, or NAV, of the specific risks identified above, such as political, regulatory and currency risks, may be magnified due to concentration of the Fund’s investments in a particular country or region, such as China. Risks of the Fund’s investments in securities of companies economically tied to China may include the volatility of the Chinese stock market, the Chinese economy’s heavy dependence on exports, and the continuing importance of the role of the Chinese Government. Recent developments in relations between the U.S. and China have heightened concerns of increased tariffs and restrictions on trade between the two countries. An increase in tariffs or trade restrictions, or even the threat of such developments, could lead to a significant reduction in international trade, which could have a negative impact on the economy of Asian countries and a commensurately negative impact on the Fund. China has a complex territorial dispute regarding the sovereignty of Taiwan and has made threats of invasion. Military conflict between China and Taiwan may adversely affect securities of Chinese, Taiwan-based and other issuers both in and outside the region. While the Chinese economy has grown at a rapid rate in recent years, the rate of growth has been declining, and there can be no assurance that China’s economy will continue to grow in the future. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">China/Single Country Risk: </span>Investments in issuers located in a particular country or geographic region typically involve more risk than investments in U.S. issuers because of particular market factors affecting that country or region, including political instability, geopolitical risks or unpredictable economic conditions. Risks of the Fund’s investments in securities of companies economically tied to China may include the volatility of the Chinese stock market; the Chinese economy’s heavy dependence on exports, which may be affected adversely by trade barriers or disputes or may decrease, sometimes significantly, when the world economy weakens; and the continuing importance of the role of the Chinese Government, which may take legal or regulatory actions that affect the contractual arrangements of a company or economic and market practices, and cause the value of the securities of an issuer held by the Fund to decrease significantly. Recent developments in relations between the U.S. and China have heightened concerns of increased tariffs and restrictions on trade between the two countries. An increase in tariffs or trade </div> </td> </tr> </table><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:2%;"> </td> <td style="vertical-align:top;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;"> restrictions, or even the threat of such developments, could lead to a significant reduction in international trade, which could have a negative impact on the economy of Asian countries and a commensurately negative impact on the Fund. In addition, the Fund’s investments in companies owned or controlled directly or indirectly by the central, provincial or municipal governments of the People’s Republic of China or by the People’s Liberation Army (the military arm of the Chinese Communist Party) involve risks that political changes, social instability, regulatory uncertainty, adverse diplomatic developments, asset expropriation or nationalization, economic sanctions, trade embargos, cancellation of investors’ interests, or confiscatory taxation could adversely affect the performance of such companies and therefore investments by the Fund in those companies. China has a complex territorial dispute regarding the sovereignty of Taiwan and has made threats of invasion. Military conflict between China and Taiwan may adversely affect securities of Chinese, Taiwan-based and other issuers both in and outside the region. While the Chinese economy has grown at a rapid rate in recent years, the rate of growth has been declining, and there can be no assurance that China’s economy will continue to grow in the future. Investments in China A shares are subject to various licenses and quotas that may restrict daily trading and to additional risks that could affect liquidity compared to investments in companies in developed markets. Risks of investments in companies based in Hong Kong include heavy reliance on the Chinese economy, plus regional Asian and global economies such as the U.S. economy, which makes these investments vulnerable to changes in these economies. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Allocation Risk:</span> The allocation of Fund assets among different asset classes, such as equity securities, debt securities and currencies, may have a significant adverse effect on the Fund’s NAV when one of these asset classes is performing better or worse than others. The diversification benefits typically associated with investing in both equity and debt securities may be limited in the emerging markets context, as movements in emerging market equity and emerging market debt markets may be more correlated than movements in the equity and debt markets of developed countries. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Capitalization Risk:</span> Investments in mid-capitalization companies may be more volatile than investments in large-capitalization companies. Investments in mid-capitalization companies may have additional risks because these companies have limited product lines, markets or financial resources. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Derivatives Risk:</span> Derivatives may be difficult to price or unwind and may be leveraged so that small changes may produce disproportionate losses for the Fund. A short position in a derivative instrument involves the risk of a theoretically unlimited increase in the value of the underlying asset, reference rate or index, which could cause the Fund to suffer a potentially unlimited loss. Derivatives, especially over-the-counter derivatives, are also subject to counterparty risk, which is the risk that the counterparty (the party on the other side of the transaction) on a derivative transaction will be unable or unwilling to honor its contractual obligations to the Fund. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Actions by a Few Major Investors:</span> In certain countries, volatility may be heightened by actions of a few major investors. For example, substantial increases or decreases in cash flows of funds investing in these markets could significantly affect local stock prices and, therefore, share prices of the Fund. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Cash Transactions Risk:</span> The Fund intends to effectuate all or a portion of the issuance and redemption of Creation Units (as defined below) for cash, rather than in-kind securities. As a result, an investment in the Fund is expected to be less tax-efficient than an investment in an ETF that effectuates its transactions in Creation Units primarily on an in-kind basis. A fund that effects redemptions for cash may be required to sell portfolio securities in order to obtain the cash needed to distribute redemption proceeds. Any recognized gain on these sales by the Fund will generally cause the Fund to recognize a gain it might not otherwise have recognized, or to recognize such gain sooner than would otherwise be required as compared to an ETF that distributes portfolio securities in-kind in redemption of Creation Units. The Fund intends to distribute gains that arise by virtue of the issuance and redemption of Creation Units being effectuated in cash to shareholders to avoid being taxed on this gain at the fund level and otherwise comply with applicable tax requirements. This may cause shareholders to be subject to tax on gains to which they would not otherwise be subject, or at an earlier date than if they had made an investment in another ETF. Moreover, cash transactions may have to be carried out over several days if the securities market is relatively illiquid and may involve considerable brokerage fees and taxes. Brokerage fees, which will be higher than if the Fund sold and redeemed its shares principally in-kind, will be passed on to those purchasing and redeeming Creation Units in the form of creation and redemption transaction fees. In addition, these factors may result in wider spreads between the bid and ask prices of Fund shares than for ETFs that receive and distribute portfolio securities in-kind. The Fund’s use of cash for creations and redemptions could also result in dilution to the Fund and increased transaction costs, which could negatively impact the Fund’s ability to achieve its investment objective. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">ETF Share Price and Net Asset Value Risk:</span> The Fund’s shares are listed for trading on NYSE Arca, Inc. (“NYSE Arca” or an “Exchange”). Shares are generally bought and sold in the secondary market at market prices. The NAV per share of the Fund will fluctuate with changes in the market value of the Fund’s holdings. The Fund’s NAV is calculated once per day, at the end of the day. The market price of a share on the Exchange could be higher than the NAV (premium), or lower than the NAV (discount) and may fluctuate during the trading day. When all or a portion of the Fund’s underlying securities trade in a market that is closed when the market for the Fund’s shares is open, there may be differences between the current value of a security </div> </td> </tr> </table><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:2%;"> </td> <td style="vertical-align:top;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;"> and the last quoted price for that security in the closed local market, which could lead to a deviation between the market value of the Fund’s shares and the Fund’s NAV. Disruptions in the creations and redemptions process or the existence of extreme market volatility could result in the Fund’s shares trading above or below NAV. As the Fund may invest in securities traded on foreign exchanges, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share than shares of other ETFs. In addition, in stressed market conditions, the market for Fund shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Authorized Participant Risk:</span> Only a limited number of financial institutions that enter into an authorized participant relationship with the Fund (“Authorized Participants”) may engage in creation or redemption transactions. If the Fund’s Authorized Participants decide not to create or redeem shares, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share, or the Fund could face trading halts or de-listing. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Active Trading Market Risk:</span> There is no guarantee that an active trading market for Fund shares will exist at all times. In times of market stress, markets can suffer erratic or unpredictable trading activity, extraordinary volatility or wide bid/ask spreads, which could cause some market makers and Authorized Participants to reduce their market activity or “step away” from making a market in ETF shares. Market makers and Authorized Participants are not obligated to place or execute purchase and redemption orders. This could cause the Fund’s market price to deviate, materially, from the NAV, and reduce the effectiveness of the ETF arbitrage process. Any absence of an active trading market for Fund shares could lead to a heightened risk that there will be a difference between the market price of a Fund share and the underlying value of the Fund share. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Sector Risk: </span>The Fund may have more risk because it may invest to a significant extent in one or more particular market sectors, such as the information technology and industrials sectors. To the extent it does so, market or economic factors affecting the relevant sector(s) could have a major effect on the value of the Fund’s investments. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Management Risk: </span>The Fund is subject to management risk because it is an actively-managed ETF. The Adviser will apply its investment techniques and risk analyses in making investment decisions, but there is no guarantee that its techniques will produce the intended results. Some of these techniques may incorporate, or rely upon, quantitative models, but there is no guarantee that these models will generate accurate forecasts, reduce risk or otherwise perform as expected. </div> </td> </tr> </table> <div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">As with all investments, you may lose money by investing in the Fund. </div> BAR CHART AND PERFORMANCE INFORMATION <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">No performance information is presented for the Fund because it has not yet been in operation for a full calendar year. </div> No performance information is presented for the Fund because it has not yet been in operation for a full calendar year. BUFFER AB Conservative Buffer ETF INVESTMENT OBJECTIVE <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund’s investment objective is to seek a conservative level of capital appreciation while providing the potential for some downside protection against market declines.</div> FEES AND EXPENSES OF THE FUND <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. <span style="font-weight: bold;">You may be required to pay commissions and/or other forms of compensation to a broker for transactions in shares, which are not reflected in the tables or the examples below.</span></div> Shareholder Fees (fees paid directly from your investment) 0 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) 0.0069 0 0.0000 0.0069 Examples <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Examples assume that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Examples also assume that your investment has a 5% return each year and that the Fund’s operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:</div> 70 221 384 859 Portfolio Turnover <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund pays transaction costs, such as commissions, when it buys or sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Fund Operating Expenses or in the Examples, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 0% of the average value of its portfolio. The calculation of portfolio turnover excludes the use of certain instruments, such as many derivatives, which if included in the calculation could result in a higher portfolio turnover rate.</div> 0 PRINCIPAL STRATEGIES <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund is an actively-managed exchange-traded fund (“ETF”). The Fund seeks to achieve its investment objective by investing, under normal conditions, substantially all of its assets in a combination of exchange-traded options contracts on an underlying ETF (“Underlying ETF”). The Underlying ETF (initially expected to be the SPDR<sup style="font-size: 75%; vertical-align: top;">®</sup> S&amp;P 500<sup style="font-size: 75%; vertical-align: top;">®</sup> ETF Trust) is an ETF that seeks to track the investment results of the S&amp;P 500 Index (the “Underlying ETF’s Index”), which measures the performance of the large-capitalization sector of the U.S. equity market, as determined by S&amp;P Dow Jones Indices LLC. The Fund uses an options strategy that seeks to produce investment outcomes based on the performance of the Underlying ETF, subject to an approximate upside limit typically between 2 and 4% (“Hedge Period Cap”), while also seeking to provide protection against Underlying ETF share</div> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">price declines of up to a 15% limit (“Hedge Period Buffer”), over a designated period (typically 90 days, but may be up to 120 days, after portfolio rebalance) (each, a “Hedge Period”). Periodically, the Fund may bear a “first loss” of 1% when doing so permits the Fund to maintain a higher Hedge Period Cap, as explained below. The Adviser seeks to monitor the performance of this Options Portfolio (as defined below) and may rebalance the portfolio (by liquidating all or a portion of the Options Portfolio) at any time to protect capital or lock-in some portfolio gains of the Fund (“Upside Ratchet”), depending on its evaluation of market conditions. If there is an Upside Ratchet, the Hedge Period may be shorter. The Fund does not pursue a “defined outcome” strategy. Defined outcome strategies seek to produce pre-determined investment outcomes based upon the performance of an underlying security or index. The Fund is actively-managed and the Hedge Period Buffer may not protect the Fund against losses. Each Hedge Period is measured from the time of the Fund’s investment in the Options Portfolio, not from the time that an investor purchases shares of the Fund. At the time of purchasing Fund shares, an investor may be unable to determine the Fund’s position relative to the Hedge Period Cap and Hedge Period Buffer.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Underlying ETF’s Index covers approximately 80% of the market capitalization of all publicly-traded U.S. equity securities. The securities in the Underlying ETF’s Index are weighted based on the float-adjusted market value of their outstanding shares. The Underlying ETF’s Index consists of securities from a broad range of industries. The components of the Underlying ETF’s Index are likely to change over time.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund may also invest in equity securities of large capitalization companies or instruments with similar economic characteristics, S&amp;P 500 Index options, shares of <span style="font-weight: bold;">AB Government Money Market Portfolio</span>, U.S. Government securities and cash and money market securities. For these purposes, “large capitalization companies” are those that, at the time of investment, have market capitalizations within the range of market capitalizations of companies appearing in the S&amp;P 500 Index.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;"><span style="font-weight: bold;"><span style="font-style: italic;">Investments.</span></span> The Fund typically utilizes customized call and put equity or index exchange-traded options contracts that reference the Underlying ETF, referred to as FLexible EXchange Options (“FLEX Options”), as well as other listed options that reference the price performance of the Underlying ETF, the Underlying ETF’s Index, or ETFs that replicate the Underlying ETF’s Index. FLEX Options provide investors with the ability to customize key option contract terms such as strike price, style and expiration date. The Fund intends to transact in four options: long put options, short put options, short call options and long call options (the “Options Portfolio”)—for the purposes of implementing the strategy and establishing the Hedge Period Cap and Hedge Period Buffer.</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 100%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 51%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td style="width: 48%;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td colspan="3" style="border-bottom: 0.75pt solid #000000; vertical-align: bottom; text-align: center;"><span style="font-weight: bold;">Options Portfolio</span></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="border-bottom: 0.75pt solid #000000; vertical-align: bottom;"><span style="font-weight: bold;">Investment Type</span></td> <td style="border-bottom: 0.75pt solid #000000; vertical-align: bottom;">  </td> <td style="border-bottom: 0.75pt solid #000000; vertical-align: bottom;"><span style="font-weight: bold;">Strategy Purpose</span></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;">Purchase Call (FLEX Option)</td> <td style="vertical-align: bottom;">  </td> <td style="vertical-align: bottom;">Obtain Economic Exposure to Shares of Underlying ETF</td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3.75pt;"></td> <td colspan="2" style="height: 3.75pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;">Purchase Put (FLEX Option)</td> <td style="vertical-align: bottom;">  </td> <td style="vertical-align: bottom;">Establish Hedge Period Buffer</td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3.75pt;"></td> <td colspan="2" style="height: 3.75pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;">Write Put (FLEX Option)</td> <td style="vertical-align: bottom;">  </td> <td style="vertical-align: bottom;">Establish End of Hedge Period Buffer</td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3.75pt;"></td> <td colspan="2" style="height: 3.75pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;">Write Call (FLEX Option)</td> <td style="vertical-align: bottom;">  </td> <td style="vertical-align: bottom;">Establish Hedge Period Cap</td> </tr> </table> <div style="margin-top: 12pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;"><span style="font-weight: bold;"><span style="font-style: italic;">Hedge Period Cap and Hedge Period Buffer.</span></span> The Hedge Period Cap is established by selling a call option that will limit the Fund’s ability to realize any increase in the value of the shares of the Underlying ETF above the strike price. The Fund estimates that the Hedge Period Cap will range from between 2% and 4%. For each Hedge Period, the Hedge Period Cap is based on the strike price of the short call options for that Hedge Period. The strike price for the option is expected to change for each Hedge Period, depending on prevailing market conditions, resulting in a different Hedge Period Cap for each Hedge Period.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Hedge Period Buffer is established by using a combination of options that operates to provide downside protection against a portion of the Underlying ETF’s share price decline for the applicable Hedge Period. The Fund may assume a loss attributable to the first 1% decline in the Underlying ETF’s share price at the time of establishing the Options Portfolio, and then the Hedge Period Buffer protects the Fund against further losses attributable to such share price declines, up to a 15% limit. If prevailing market conditions allow, the Fund will have less than a first loss of 1%. The Hedge Period Buffer does not protect the Fund against losses attributable to Underlying ETF share price declines exceeding 15%.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Hedge Period Cap and the Hedge Period Buffer are determined without regard to any fees or expenses charged to the Fund, which will have the effect of reducing the Hedge Period Cap or the Hedge Period Buffer for a Hedge Period.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund seeks to generate returns that match those attributable to the secondary market share price of the Underlying ETF, up to the Hedge Period Cap, while limiting downside losses attributable to the Underlying ETF share price declines. The hypothetical</div> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">graphical illustration provided below is designed to illustrate the outcomes that the Fund seeks to provide for investors who hold shares for the entirety of a Hedge Period. There is no guarantee that the Fund will be successful in its attempt to provide the outcomes for any Hedge Period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"><img alt="LOGO" src="g01x04.jpg" style="width: 6.27851in; height: 3.95401in;"/> </div> <div style="margin-top: 12pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman; font-weight: bold;"><span style="font-style: italic;">Hedge Period </span></div> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund’s options strategy is designed to be implemented over Hedge Periods.</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-style: italic;">Options Portfolio Upside Ratchet</span>. Once the Options Portfolio is established for a Hedge Period, the Adviser analyzes whether to engage in the Upside Ratchet of the Options Portfolio based on the Adviser’s assessment of the maximum potential remaining upside return of the portfolio. As a result of the performance of the FLEX Options during the Hedge Period to date, the Fund may have little or no upside available for the remainder of that Hedge Period because the Underlying ETF’s share price has increased in value substantially above the Hedge Period Cap. In these circumstances, the Adviser may, before expiration of the option term, unwind the then-current Options Portfolio and enter into new FLEX Options that establish a new Hedge Period, which would expire on the last business day of the next closest month-end period beyond three months. By engaging in the Upside Ratchet of the Options Portfolio, the Fund retains the potential to capture further increases in value when the market price of the Underlying ETF is increasing. This rebalancing may be implemented over several days, during which the Fund may have a blended portfolio consisting of old options and new options.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-style: italic;">Hedge Period Transitions</span>. If there is no Upside Ratchet of the Options Portfolio as the Fund approaches the end of a Hedge Period, the Adviser intends to rebalance the Options Portfolio for a new Hedge Period. This rebalancing may be implemented over several days, during which the Fund may have a blended portfolio consisting of expiring options and new options. At the end of each Hedge Period transition, the Fund expects to hold only new options as a result of this rebalancing.</div> </td> </tr> </table> <div style="margin-top: 12pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman; font-weight: bold;"><span style="font-style: italic;">Additional Information about the Fund’s Investment Strategy </span></div> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">In lieu of purchasing a call to obtain economic exposure to the Underlying ETF (as indicated in the chart above), the Fund may seek to gain equivalent economic exposure by engaging in the following. The Fund may purchase a longer maturity near-zero strike call; purchase shares of the Underlying ETF; purchase shares of one or more other ETFs that replicate the Underlying ETF’s Index; purchase a combination of equity securities that in the aggregate seek to track the secondary market share price return of the Underlying ETF (excluding dividends); or invest in money market funds and/or other cash equivalents and purchase and sell a combination of call and put options that seek to replicate exposure to the Underlying ETF.</div> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund is non-diversified under the Investment Company Act of 1940, as amended (the “1940 Act”), which means it may invest a greater portion of its assets in fewer issuers than would otherwise be the case.</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Market Risk:</span> The value of the Fund’s assets will fluctuate as the market or markets in which the Fund invests fluctuate. The value of the Fund’s investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events, including public health crises (including the occurrence of a contagious disease or illness), terrorism, war, changing interest rate levels, the imposition of new or additional tariffs, and regional and global conflicts, that affect large portions of the market. The Fund is exposed to market risk indirectly through its targeted exposure to the Underlying ETF.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Buffered Loss Risk:</span> There can be no guarantee that the Hedge Period Buffer will be successful in protecting the Fund from the impact of Underlying ETF price declines. <span style="font-weight: bold;">Despite the intended Hedge Period Buffer, a shareholder may lose money by investing in the Fund</span>. Declines in excess of the Hedge Period Buffer may result in the loss of an investor’s entire investment. If, during a Hedge Period, an investor purchases shares of the Fund after the date on which the Fund has entered into FLEX Options or sells shares of the Fund prior to the expiration of the FLEX Options, the Hedge Period Buffer that the Fund seeks to provide may not be available and the investor may not receive the full, or any, benefit of the Hedge Period Buffer. The Fund does not provide principal protection, and an investor may experience significant losses on an investment in the Fund.</div> </td> </tr> </table> <div style="margin-top: 6pt; margin-bottom: 0pt; margin-left: 2%; font-size: 10pt; font-family: times new roman;">A blended portfolio of expiring options and new options could impact the Fund’s ability to realize the full, or any, benefit of the Hedge Period Buffer and may subject the Fund’s return to an upside limit that is slightly lower or higher than the Hedge Period Cap for the applicable Hedge Period. Accordingly, an investor may bear losses against which the Hedge Period Buffer is anticipated to protect and may be subject to an upside limit that is lower than the Hedge Period Cap.</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Buffer/Cap Change Risk:</span> A new Hedge Period Buffer and a new Hedge Period Cap are established each time the Options Portfolio is implemented, including after an Upside Ratchet event. The duration of a Hedge Period Cap or Hedge Period Buffer may vary.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Capped Upside Risk:</span> If an investor purchases shares of the Fund after the first day of a Hedge Period and the value of the Underlying ETF shares is at or near to the Hedge Period Cap for that Hedge Period, there may be little or no ability for that investor to experience an investment gain on their Fund shares unless the Fund engages in an Upside Ratchet of the Fund’s Options Portfolio. If an investor does not hold its shares of the Fund for an entire Hedge Period, the returns realized by that investor may not replicate those the Fund seeks to achieve. If the Underlying ETF experiences gains during a Hedge Period in excess of the Hedge Period Cap, unless the Fund has engaged in an Upside Ratchet, the Fund will not participate in those gains beyond the Hedge Period Cap.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">FLEX Options Correlation Risk:</span> Although the value of the FLEX Options structure held by the Fund generally correlates with the share price of the Underlying ETF, the FLEX Options are exercisable at the strike price only on their expiration date, and their daily valuation will not change at the same percentage as the share price of the Underlying ETF. Accordingly, the Fund’s net asset value, or NAV, or market price will not directly correlate on a day-to-day basis with the share price of the Underlying ETF.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">FLEX Options Liquidity Risk:</span> The FLEX Options are listed on an exchange; however, there is no guarantee that a liquid secondary trading market will exist for the FLEX Options. In the event that trading in the FLEX Options is limited or absent, the value of the Fund’s FLEX Options may decrease. In a less liquid market for the FLEX Options, liquidating the FLEX Options may require the payment of a premium (for written FLEX Options) or acceptance of a discounted price (for purchased FLEX Options) and may take longer to complete. A less liquid trading market may adversely impact the value of the FLEX Options and Fund shares and result in the Fund being unable to achieve its investment objective. The trading market for FLEX Options may lack depth and liquidity when compared to the trading market for certain other securities. FLEX Options may be less liquid than certain non-customized options. In a less liquid market for the FLEX Options, the liquidation of a large number of options may significantly impact the price. A less liquid trading market may adversely impact the value of the FLEX Options and the value of your investment.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">FLEX Options Valuation Risk:</span> FLEX Options held by the Fund will be exercisable at the strike price only on their expiration date. The value of the FLEX Options will be determined based upon market quotations or using other recognized pricing methods. The value of a FLEX Option prior to its expiration date may vary because of related factors other than the value of the Underlying ETF. Factors that may influence the value of a FLEX Option, other than changes in the value of the Underlying ETF, may include interest rate changes, changing supply and demand, decreased liquidity of the FLEX Options and changing volatility levels of the Underlying ETF. During periods of reduced market liquidity or in the absence of readily available market quotations for the holdings of the Fund, FLEX Options may become more difficult to value and the judgment of the Adviser, as the Fund’s valuation designee, may play a greater role in the valuation of the Fund’s holdings due to reduced availability of reliable objective pricing data.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Hedge Period Risk:</span> The Fund’s investment strategy is designed to deliver returns that reference an Underlying ETF and are based on options contracts that are designed to be in place for 90-day periods, although in some cases, the Fund will hold</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt;">options contracts of longer duration. The Fund may not hold its Options Portfolio for the full duration of the options contracts, and the Adviser may change the Options Portfolio at any time, which would begin a new Hedge Period. Information about the Fund’s holdings is available and updated daily at: <span style="text-decoration: underline;">www.abfunds.com</span>. Investors acquiring shares of the Fund at different time periods will have different investment results based on the price of shares of the Underlying ETF and how the Hedge Period Buffer and Hedge Period Cap are applied. Engaging in Upside Ratchets may potentially cause the Fund to have a higher portfolio turnover rate, and higher cost, than a fund that does not actively adjust its options portfolio prior to expiration. There is no guarantee that any Upside Ratchet will be successfully implemented, or that it will deliver the desired investment result.</div> </td> </tr> </table> <div style="margin-top: 6pt; margin-bottom: 0pt; margin-left: 2%; font-size: 10pt; font-family: times new roman;">The Fund’s Hedge Period Cap and Hedge Period Buffer are designed to work over a particular time frame, the Hedge Period. Investors that acquire Fund shares after the Hedge Period has commenced, or sell Fund shares before the Hedge Period ends or an Upside Ratchet is performed, may have a different investment result than investors who held Fund shares during the entire Hedge Period. The degree to which an investor may benefit from the Hedge Period Buffer or Hedge Period Cap will depend on the point in time when the investor purchases Fund shares and whether the Adviser effectuates an Upside Ratchet. At the time of purchasing Fund shares, an investor may be unable to determine the Fund’s position relative to the Hedge Period Cap and Hedge Period Buffer. If the price of the Underlying ETF is near or has exceeded the strike price of the Fund’s Options Portfolio, there may be little remaining upside potential during a particular Hedge Period, until the Options Portfolio expires or the Adviser effectuates an Upside Ratchet. Investors purchasing Fund shares during this period would still remain subject to significant downside risk before the sought-after protection from the Hedge Period Buffer began. Similarly, if the Underlying ETF has decreased in price significantly to equal or exceed the Fund’s anticipated Hedge Period Buffer, investors would also remain subject to significant downside risk and would receive no benefit from the Hedge Period Buffer. The Fund is continuously offered and a new Hedge Period begins after the end of the prior Hedge Period, with a new Hedge Period Cap and a new Hedge Period Buffer. An investor that holds Fund shares over multiple continuous Hedge Periods may have a different investment result than an investor holding Fund shares for one Hedge Period. The Fund’s return is measured, with respect to the Hedge Period Cap and Hedge Period Buffer, over a single Hedge Period. The Fund’s return over a period longer than a single Hedge Period could differ in amount and direction from the return of the Underlying ETF.</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Active Trading Risk: </span>The Fund expects to engage in active and frequent trading of its portfolio securities and other portfolio activity. A higher rate of portfolio turnover or portfolio activity increases transaction costs, which may negatively affect the Fund’s return. In addition, a high rate of portfolio turnover or portfolio activity may result in substantial short-term gains, which may have adverse tax consequences for Fund shareholders. The Fund’s higher portfolio turnover or portfolio activity could also result in other consequences such as deferral of losses, acceleration of gains or treatment of short-term capital gains as ordinary income, any of which could adversely impact Fund shareholders.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Non-Diversification Risk: </span>The Fund may have more risk because it is “non-diversified”, meaning that it can invest more of its assets in a smaller number of issuers. Accordingly, changes in the value of a single security, such as the Underlying ETF, may have a more significant effect, either negative or positive, on the Fund’s NAV.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Underlying ETF Risk: </span>The Fund invests in FLEX Options that reference an ETF, which subjects the Fund to certain of the risks of owning shares of an ETF, as well as the types of instruments in which the Underlying ETF invests. The Underlying ETF is an exchange-traded unit investment trust that uses a full replication strategy, meaning it invests entirely in the S&amp;P 500 Index. The investment objective of the Underlying ETF is to seek to provide investment results that, before expenses, correspond generally to the price and yield performance of the S&amp;P 500 Index, which includes five hundred (500) selected companies, all of which are listed on national stock exchanges and spans over 24 separate industry groups. The value of an ETF will fluctuate over time based on fluctuations in the values of the securities held by the ETF, which may be affected by changes in general economic conditions, expectations for future growth and profits, interest rates and the supply and demand for those securities. In addition, ETFs are subject to authorized participant concentration risk, market maker risk, premium/discount risk, tracking error risk and trading issues risk. Brokerage, tax and other expenses may negatively impact the performance of the Underlying ETF and, in turn, the value of the Fund’s shares. An ETF that tracks an index may not exactly match the performance of the index due to differences between the portfolio of the ETF and the components of the index, expenses, and other factors.</div> </td> </tr> </table> <div style="margin-top: 6pt; margin-bottom: 0pt; margin-left: 2%; font-size: 10pt; font-family: times new roman;">The risks of investing in an ETF also include the risks associated with the underlying investments held by the ETF. As such, the Fund may be subject to the following risks as a result of its exposure to the Underlying ETF through its usage of FLEX options.</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Equity Securities Risk:</span> The Underlying ETF invests in publicly-traded equity securities, and their value may fluctuate, sometimes rapidly and unpredictably, which means a security may be worth more or less than when it was purchased. These fluctuations can be based on a variety of factors including a company’s financial condition as well as macro-economic factors such as interest rates, inflation rates, global market conditions, and non-economic factors such as market perceptions and social or political events.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Large-Capitalization Companies Risk: </span>The Underlying ETF invests in the securities of large capitalization companies, which results in the Fund having significant exposure to such companies through its exposure to the Underlying ETFs by virtue of its usage of FLEX Options. Large capitalization companies may grow at a slower rate and be less able to adapt to changing</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt;">market conditions than smaller capitalization companies. Thus, the return on investment in securities of large capitalization companies may be less than the return on investment in securities of small- and/or mid-capitalization companies. The performance of large capitalization companies also tends to trail the overall market during different parts of market cycles.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Cash Transactions Risk: </span>The Fund intends to effectuate all or a portion of the issuance and redemption of Creation Units (as defined below) for cash, rather than in-kind securities. As a result, an investment in the Fund is expected to be less tax-efficient than an investment in an ETF that effectuates its transactions in Creation Units primarily on an in-kind basis. A fund that effects redemptions for cash may be required to sell portfolio securities in order to obtain the cash needed to distribute redemption proceeds. Any recognized gain on these sales by the Fund will generally cause the Fund to recognize a gain it might not otherwise have recognized, or to recognize such gain sooner than would otherwise be required as compared to an ETF that distributes portfolio securities in-kind in redemption of Creation Units. The Fund intends to distribute gains that arise by virtue of the issuance and redemption of Creation Units being effectuated in cash to shareholders to avoid being taxed on this gain at the fund level and otherwise comply with applicable tax requirements. This may cause shareholders to be subject to tax on gains to which they would not otherwise be subject, or at an earlier date than if they had made an investment in another ETF. Moreover, cash transactions may have to be carried out over several days if the securities market is relatively illiquid and may involve considerable brokerage fees and taxes. Brokerage fees, which will be higher than if the Fund sold and redeemed its shares principally in-kind, will be passed on to those purchasing and redeeming Creation Units in the form of creation and redemption transaction fees. In addition, these factors may result in wider spreads between the bid and ask prices of Fund shares than for ETFs that receive and distribute portfolio securities in-kind. The Fund’s use of cash for creations and redemptions could also result in dilution to the Fund and increased transaction costs, which could negatively impact the Fund’s ability to achieve its investment objective.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Derivatives Risk:</span> Derivatives may be difficult to price or unwind and leveraged so that small changes may produce disproportionate losses for the Fund. A short position in a derivative instrument involves the risk of a theoretically unlimited increase in the value of the underlying asset, reference rate or index, which could cause the Fund to suffer a potentially unlimited loss. Derivatives, especially over-the-counter derivatives, are also subject to counterparty risk, which is the risk that the counterparty (the party on the other side of the transaction) on a derivative transaction will be unable or unwilling to honor its contractual obligations to the Fund.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Leverage Risk: </span>To the extent the Fund uses leveraging techniques, its NAV may be more volatile because leverage tends to exaggerate the effect of changes in interest rates and any increase or decrease in the value of the Fund’s investments.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Illiquid Investments Risk:</span> Illiquid investments risk exists when certain investments are or become difficult to purchase or sell. Difficulty in selling such investments may result in sales at disadvantageous prices affecting the value of your investment in the Fund. Causes of illiquid investments risk may include low trading volumes and large positions. Illiquid investments risk may be higher in a rising interest rate environment, when the value and liquidity of fixed-income securities generally go down.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">ETF Share Price and Net Asset Value Risk:</span> The Fund’s shares are listed for trading on the Nasdaq Stock Market LLC (“Nasdaq” or an “Exchange”). The Fund’s shares are generally bought and sold in the secondary market at market prices. The NAV per share of the Fund will fluctuate with changes in the market value of the Fund’s holdings. The Fund’s NAV is calculated once per day, at the end of the day. The market price of a share on an Exchange could be higher than the NAV (premium), or lower than the NAV (discount) and may fluctuate during the trading day. When all or a portion of the Fund’s underlying securities trade in a market that is closed when the market for the Fund’s shares is open, there may be differences between the current value of a security and the last quoted price for that security in the closed local market, which could lead to a deviation between the market value of the Fund’s shares and the Fund’s NAV. Disruptions in the creations and redemptions process or the existence of extreme market volatility could result in the Fund’s shares trading above or below NAV. As the Fund may invest in securities traded on foreign exchanges, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share than shares of other ETFs. In addition, in stressed market conditions, the market for Fund shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Authorized Participant Risk:</span> Only a limited number of financial institutions that enter into an authorized participant relationship with the Fund (“Authorized Participants”) may engage in creation or redemption transactions. If the Fund’s Authorized Participants decide not to create or redeem Fund shares, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share, or the Fund could face trading halts or de-listing.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Active Trading Market Risk:</span> There is no guarantee that an active trading market for Fund shares will exist at all times. In times of market stress, markets can suffer erratic or unpredictable trading activity, extraordinary volatility or wide bid/ask spreads, which could cause some market makers and Authorized Participants to reduce their market activity or “step away” from making a market in ETF shares. Market makers and Authorized Participants are not obligated to place or execute purchase and redemption orders. This could cause the Fund’s market price to deviate, materially, from the NAV, and reduce the effectiveness of the ETF arbitrage process. Any absence of an active trading market for Fund shares could lead to a heightened risk that there will be a difference between the market price of a Fund share and the underlying value of the Fund share.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Tax Risk:</span> The Fund intends to elect and to qualify each year to be treated as a regulated investment company (“RIC”) under Subchapter M of the U.S. Internal Revenue Code (the “Code”). If, in any year, the Fund fails to qualify as a RIC under the applicable tax laws, the Fund would be taxed as an ordinary corporation. The federal income tax treatment of some aspects of the Fund’s investment operations are not guaranteed. There are some uncertainties in how the Code would apply to the Fund’s options strategy and hedging strategies, and the application of “straddle” rules, and loss limitation provisions of the Code. The Fund intends to treat any income it may derive from the FLEX Options as “qualifying income” under the provisions of the Code applicable to RICs. The Fund also intends to treat the issuer of FLEX Options as a referenced asset for federal income tax purposes. The FLEX Options included in the portfolio are exchange-traded options. Under Section 1256 of the Code, certain types of exchange-traded options are treated as if they were sold (<span style="font-style: italic;">i.e.</span>, “marked to market”) at the end of each year. The Fund does not believe that the positions held by the Fund will be subject to Section 1256, which means that the positions will not be marked to market. If the income is not qualifying income, or if the issuer of the FLEX Options is not appropriately treated as the referenced asset, or if the Fund cannot distribute the correct percentage of all income annually, the Fund could lose its status as a RIC, which could cause the Fund’s income to be taxed at higher rates. If a shareholder purchases Fund shares after the hedge period has begun, or shortly before a distribution by the Fund, then the entire distribution may be taxable to the shareholder even though a portion of the distribution effectively represents a return of the purchase price.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;"><span style="font-weight: bold;">Management Risk: </span>The Fund is subject to management risk because it is an actively-managed ETF. The Adviser will apply its investment techniques and risk analyses in making investment decisions, but there is no guarantee that its techniques will produce the intended results. Some of these techniques may incorporate, or rely upon, quantitative models, but there is no guarantee that these models will generate accurate forecasts, reduce risk or otherwise perform as expected.</div> </td> </tr> </table> <div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">As with all investments, you may lose money by investing in the Fund.</div> BAR CHART AND PERFORMANCE INFORMATION <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The bar chart and performance information provide an indication of the historical risk of an investment in the Fund by showing:</div><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;">how the Fund’s performance changed from year to year over the life of the Fund; and</div> </td> </tr> </table><table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: times new roman; font-size: 10pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 1%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: times new roman; font-size: 10pt; text-align: left;">how the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index.</div> </td> </tr> </table><div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">You may obtain updated performance information on the website at <span style="text-decoration: underline;">www.abfunds.com</span> (click on “Investments—ETFs”).</div><div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future.</div> how the Fund’s performance changed from year to year over the life of the Fund; andhow the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index. www.abfunds.com The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. Bar Chart <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: times new roman;">The annual returns in the bar chart are for the Fund’s shares.</div> Best Quarter 0.0316 2024-03-31 Worst Quarter -0.0142 2025-03-31 Performance TableAverage Annual Total Returns(For the periods ended December 31, 2025) 0.0552 0.0840 0.0552 0.0840 0.0327 0.0647 0.1788 0.2240 2023-12-13 2023-12-13 2023-12-13 After-tax returns:–Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and– Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. AB International Buffer ETF INVESTMENT OBJECTIVE <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s investment objective is to seek a moderate level of capital appreciation while providing the potential for some downside protection against market declines. </div> FEES AND EXPENSES OF THE FUND <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. <span style="font-weight:bold">You may be required to pay commissions and/or other forms of compensation to a broker for transactions in shares, which are not reflected in the tables or the examples below.</span> </div> Shareholder Fees (fees paid directly from your investment) 0 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) 0.0069 0 0.0000 0.0069 Examples <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Examples assume that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Examples also assume that your investment has a 5% return each year and that the Fund’s operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be: </div> 70 221 384 859 Portfolio Turnover <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund pays transaction costs, such as commissions, when it buys or sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Fund Operating Expenses or in the Examples, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 0% of the average value of its portfolio. The calculation of portfolio turnover excludes the use of certain instruments, such as many derivatives, which if included in the calculation could result in a higher portfolio turnover rate. </div> 0 PRINCIPAL STRATEGIES <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund is an actively-managed exchange-traded fund (“ETF”). The Fund seeks to achieve its investment objective by investing, under normal conditions, substantially all of its assets in a combination of exchange-traded options contracts on an underlying ETF (“Underlying ETF”). The Underlying ETF (initially expected to be the iShares MSCI EAFE ETF) is an ETF that seeks to track the investment results of the MSCI EAFE Index (the “Underlying ETF’s Index”), designed to measure the equity market performance of developed markets outside of the U.S. and Canada, including countries in Europe, Australasia and the Far East, as determined by MSCI, Inc. The Fund uses an options strategy that seeks to produce investment outcomes based on the performance of the Underlying ETF, subject to an approximate upside limit typically between 4% and 5% (“Hedge Period Cap”), while also seeking to provide protection against Underlying ETF share price declines of up to a 10% limit (“Hedge Period Buffer”), over a designated period (typically 90 days, but may be up to 120 days, after portfolio rebalance) (each, a “Hedge Period”). Periodically, the Fund may bear a “first loss” of 2% when doing so permits the Fund to maintain a higher Hedge Period Cap, as explained below. The Adviser seeks to monitor the performance of this Options Portfolio (as defined below) and may rebalance the portfolio (by liquidating all or a portion of the Options Portfolio) at any time to protect capital or lock-in some portfolio gains of the Fund </div><div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;"> (“Upside Ratchet”), depending on its evaluation of market conditions. If there is an Upside Ratchet, the Hedge Period may be shorter. The Fund does not pursue a “defined outcome” strategy. Defined outcome strategies seek to produce pre-determined investment outcomes based upon the performance of an underlying security or index. The Fund is actively-managed and the Hedge Period Buffer may not protect the Fund against losses. Each Hedge Period is measured from the time of the Fund’s investment in the Options Portfolio, not from the time that an investor purchases shares of the Fund. At the time of purchasing Fund shares, an investor may be unable to determine the Fund’s position relative to the Hedge Period Cap and Hedge Period Buffer. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Underlying ETF’s Index covers approximately 85% of the free float-adjusted market capitalization in each country included in the index. The Underlying ETF’s Index is a widely used benchmark for international equity portfolios, as it seeks to capture the return from equity securities of large- and mid-capitalization companies across developed market countries. The Underlying ETF’s Index consists of securities from a broad range of industries. The components of the Underlying ETF’s Index are likely to change over time. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund may also invest in equity securities of large- and mid-capitalization companies or instruments with similar economic characteristics, MSCI EAFE Index options, shares of <span style="font-weight:bold">AB Government Money Market Portfolio</span>, U.S. Government securities and cash and money market securities. For these purposes, “large capitalization companies” are those that, at the time of investment, have market capitalizations within the range of market capitalizations of companies appearing in the MSCI EAFE Index. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;"><span style="font-weight:bold"><span style="font-style:italic">Investments.</span></span> The Fund typically utilizes customized call and put equity or index exchange-traded options contracts that reference the Underlying ETF, referred to as FLexible EXchange Options (“FLEX Options”), as well as other listed options that reference the price performance of the Underlying ETF, the Underlying ETF’s Index, or ETFs that replicate the Underlying ETF’s Index. FLEX Options provide investors with the ability to customize key option contract terms such as strike price, style and expiration date. The Fund intends to transact in four options: long put options, short put options, short call options and long call options (the “Options Portfolio”)—for the purposes of implementing the strategy and establishing the Hedge Period Cap and Hedge Period Buffer. </div><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:arial;font-size:8pt;width:100%;border-spacing:0px;margin:0 auto"> <tr> <td style="width:51%;"></td> <td style="vertical-align:bottom;width:1%;"></td> <td style="width:48%;"></td> </tr> <tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"> <td colspan="3" style="BORDER-BOTTOM:0.75pt solid #000000;vertical-align:bottom;text-align:center;"><span style="font-weight:bold">Options Portfolio</span></td> </tr> <tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"> <td style="BORDER-BOTTOM:0.75pt solid #000000;vertical-align:bottom;"><span style="font-weight:bold">Investment Type</span></td> <td style=" BORDER-BOTTOM:0.75pt solid #000000;vertical-align:bottom;">  </td> <td style="BORDER-BOTTOM:0.75pt solid #000000;vertical-align:bottom;"><span style="font-weight:bold">Strategy Purpose</span></td> </tr> <tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"> <td style="vertical-align:bottom;">Purchase Call (FLEX Option)</td> <td style="vertical-align:bottom;">  </td> <td style="vertical-align:bottom;">Obtain Economic Exposure to Shares of Underlying ETF</td> </tr> <tr style="font-size:1pt"> <td style="height:3.75pt;"></td> <td colspan="2" style="height:3.75pt;"></td> </tr> <tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"> <td style="vertical-align:bottom;">Purchase Put (FLEX Option)</td> <td style="vertical-align:bottom;">  </td> <td style="vertical-align:bottom;">Establish Hedge Period Buffer</td> </tr> <tr style="font-size:1pt"> <td style="height:3.75pt;"></td> <td colspan="2" style="height:3.75pt;"></td> </tr> <tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"> <td style="vertical-align:bottom;">Write Put (FLEX Option)</td> <td style="vertical-align:bottom;">  </td> <td style="vertical-align:bottom;">Establish End of Hedge Period Buffer</td> </tr> <tr style="font-size:1pt"> <td style="height:3.75pt;"></td> <td colspan="2" style="height:3.75pt;"></td> </tr> <tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"> <td style="vertical-align:bottom;">Write Call (FLEX Option)</td> <td style="vertical-align:bottom;">  </td> <td style="vertical-align:bottom;">Establish Hedge Period Cap</td> </tr> </table><div style="margin-top:12pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;"><span style="font-weight:bold"><span style="font-style:italic">Hedge Period Cap and Hedge Period Buffer.</span></span> The Hedge Period Cap is established by selling a call option that will limit the Fund’s ability to realize any increase in the value of the shares of the Underlying ETF above the strike price. The Fund estimates that the Hedge Period Cap will range from between 4% and 5%. For each Hedge Period, the Hedge Period Cap is based on the strike price of the short call options for that Hedge Period. The strike price for the option is expected to change for each Hedge Period, depending on prevailing market conditions, resulting in a different Hedge Period Cap for each Hedge Period. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Hedge Period Buffer is established by using a combination of options that operates to provide downside protection against a portion of the Underlying ETF’s share price decline for the applicable Hedge Period. The Fund may assume a loss attributable to the first 2% decline in the Underlying ETF’s share price at the time of establishing the Options Portfolio, and then the Hedge Period Buffer protects the Fund against further losses attributable to such share price declines, up to a 10% limit. If prevailing market conditions allow, the Fund will have less than a first loss of 2%. The Hedge Period Buffer does not protect the Fund against losses attributable to Underlying ETF share price declines exceeding 10%. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Hedge Period Cap and the Hedge Period Buffer are determined without regard to any fees or expenses charged to the Fund, which will have the effect of reducing the Hedge Period Cap or the Hedge Period Buffer for a Hedge Period. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund seeks to generate returns that match those attributable to the secondary market share price of the Underlying ETF, up to the Hedge Period Cap, while limiting downside losses attributable to the Underlying ETF share price declines. The hypothetical </div><div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;"> graphical illustration provided below is designed to illustrate the outcomes that the Fund seeks to provide for investors who hold shares for the entirety of a Hedge Period. There is no guarantee that the Fund will be successful in its attempt to provide the outcomes for any Hedge Period. </div><div style="margin-top:0pt;margin-bottom:0pt;text-align:center;"> <img alt="LOGO" src="g01x12.jpg" style="width:6.27851in;height:3.95401in;"/> </div><div style="margin-top:12pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;font-weight:bold;"><span style="font-style:italic">Hedge Period </span></div><div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s options strategy is designed to be implemented over Hedge Periods. </div><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-style:italic">Options Portfolio Upside Ratchet</span>. Once the Options Portfolio is established for a Hedge Period, the Adviser analyzes whether to engage in the Upside Ratchet of the Options Portfolio based on the Adviser’s assessment of the maximum potential remaining upside return of the portfolio. As a result of the performance of the FLEX Options during the Hedge Period to date, the Fund may have little or no upside available for the remainder of that Hedge Period because the Underlying ETF’s share price has increased in value substantially above the Hedge Period Cap. In these circumstances, the Adviser may, before expiration of the option term, unwind the then-current Options Portfolio and enter into new FLEX Options that establish a new Hedge Period, which would expire on the last business day of the next closest month-end period beyond three months. By engaging in the Upside Ratchet of the Options Portfolio, the Fund retains the potential to capture further increases in value when the market price of the Underlying ETF is increasing. This rebalancing may be implemented over several days, during which the Fund may have a blended portfolio consisting of old options and new options. </div> </td> </tr> </table><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-style:italic">Hedge Period Transitions</span>. If there is no Upside Ratchet of the Options Portfolio as the Fund approaches the end of a Hedge Period, the Adviser intends to rebalance the Options Portfolio for a new Hedge Period. This rebalancing may be implemented over several days, during which the Fund may have a blended portfolio consisting of expiring options and new options. At the end of each Hedge Period transition, the Fund expects to hold only new options as a result of this rebalancing. </div> </td> </tr> </table><div style="margin-top:12pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;font-weight:bold;"><span style="font-style:italic">Additional Information about the Fund’s Investment Strategy </span></div><div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">In lieu of purchasing a call to obtain economic exposure to the Underlying ETF (as indicated in the chart above), the Fund may seek to gain equivalent economic exposure by engaging in the following. The Fund may purchase a longer maturity near-zero strike call; purchase shares of the Underlying ETF; purchase shares of one or more other ETFs that replicate the Underlying ETF’s Index; purchase a combination of equity securities that in the aggregate seek to track the share price return of the Underlying ETF (excluding dividends); or invest in money market funds and/or other cash equivalents and purchase and sell a combination of call and put options that seek to replicate exposure to the Underlying ETF. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund is non-diversified under the Investment Company Act of 1940, as amended (the “1940 Act”), which means it may invest a greater portion of its assets in fewer issuers than would otherwise be the case. </div> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Market Risk:</span> The value of the Fund’s assets will fluctuate as the market or markets for securities in which the Fund invests fluctuate. The value of the Fund’s investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events, including public health crises (including the occurrence of a contagious disease or illness), terrorism, war, changing interest rate levels, the imposition of new or additional tariffs, and regional and global conflicts, that affect large portions of the market. The Fund is exposed to market risk indirectly through its targeted exposure to the Underlying ETF. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Buffered Loss Risk:</span> There can be no guarantee that the Hedge Period Buffer will be successful in protecting the Fund from the impact of Underlying ETF price declines. <span style="font-weight:bold">Despite the intended Hedge Period Buffer, a shareholder may lose money by investing in the Fund</span>. Declines in excess of the Hedge Period Buffer may result in the loss of an investor’s entire investment beyond the Hedge Period Buffer. If, during a Hedge Period, an investor purchases shares of the Fund after the date on which the Fund has entered into FLEX Options or sells shares of the Fund prior to the expiration of the FLEX Options, the Hedge Period Buffer that the Fund seeks to provide may not be available and the investor may not receive the full, or any, benefit of the Hedge Period Buffer. The Fund does not provide principal protection, and an investor may experience significant losses on an investment in the Fund. </div> </td> </tr> </table><div style="margin-top:6pt;margin-bottom:0pt;margin-left:2%;font-size:10pt;font-family:times new roman;">A blended portfolio of expiring options and new options could impact the Fund’s ability to realize the full, or any, benefit of the Hedge Period Buffer and may subject the Fund’s return to an upside limit that is slightly lower or higher than the Hedge Period Cap for the applicable Hedge Period. Accordingly, an investor may bear losses against which the Hedge Period Buffer is anticipated to protect and may be subject to an upside limit that is lower than the Hedge Period Cap. </div> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Buffer/Cap Change Risk:</span> A new Hedge Period Buffer and a new Hedge Period Cap are established each time the Options Portfolio is implemented, including after an Upside Ratchet event. The duration of a Hedge Period Cap or Hedge Period Buffer may vary. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Capped Upside Risk:</span> If an investor purchases shares of the Fund after the first day of a Hedge Period and the value of the Underlying ETF shares is at or near to the Hedge Period Cap for that Hedge Period, there may be little or no ability for that investor to experience an investment gain on their Fund shares unless the Fund engages in an Upside Ratchet of the Fund’s Options Portfolio. If an investor does not hold its shares of the Fund for an entire Hedge Period, the returns realized by that investor may not replicate those the Fund seeks to achieve. If the Underlying ETF experiences gains during a Hedge Period in excess of the Hedge Period Cap, unless the Fund has engaged in an Upside Ratchet, the Fund will not participate in those gains beyond the Hedge Period Cap. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">FLEX Options Correlation Risk:</span> Although the value of the FLEX Options structure held by the Fund generally correlates with the share price of the Underlying ETF, the FLEX Options are exercisable at the strike price only on their expiration date, and their daily valuation will not change at the same percentage as the share price of the Underlying ETF. Accordingly, the Fund’s net asset value, or NAV, or market price will not directly correlate on a day-to-day basis with the share price of the Underlying ETF. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">FLEX Options Liquidity Risk:</span> The FLEX Options are listed on an exchange; however, there is no guarantee that a liquid secondary trading market will exist for the FLEX Options. In the event that trading in the FLEX Options is limited or absent, the value of the Fund’s FLEX Options may decrease. In a less liquid market for the FLEX Options, liquidating the FLEX Options may require the payment of a premium (for written FLEX Options) or acceptance of a discounted price (for purchased FLEX Options) and may take longer to complete. A less liquid trading market may adversely impact the value of the FLEX Options and Fund shares and result in the Fund being unable to achieve its investment objective. The trading market for FLEX Options may lack depth and liquidity when compared to the trading market for certain other securities. FLEX Options may be less liquid than certain non-customized options. In a less liquid market for the FLEX Options, the liquidation of a large number of options may significantly impact the price. A less liquid trading market may adversely impact the value of the FLEX Options and the value of your investment. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">FLEX Options Valuation Risk:</span> FLEX Options held by the Fund will be exercisable at the strike price only on their expiration date. The value of the FLEX Options will be determined based upon market quotations or using other recognized pricing methods. The value of a FLEX Option prior to its expiration date may vary because of related factors other than the value of the Underlying ETF. Factors that may influence the value of a FLEX Option, other than changes in the value of the Underlying ETF, may include interest rate changes, changing supply and demand, decreased liquidity of the FLEX Options and changing volatility levels of the Underlying ETF. During periods of reduced market liquidity or in the absence of readily available market quotations for the holdings of the Fund, FLEX Options may become more difficult to value and the judgment of the Adviser, as the Fund’s valuation designee, may play a greater role in the valuation of the Fund’s holdings due to reduced availability of reliable objective pricing data. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Hedge Period Risk:</span> The Fund’s investment strategy is designed to deliver returns that reference an Underlying ETF and are based on options contracts that are designed to be in place for 90-day periods, although in some cases, the Fund will hold </div> </td> </tr> </table><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:2%;"> </td> <td style="vertical-align:top;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;"> options contracts of longer duration. The Fund may not hold its Options Portfolio for the full duration of the options contracts, and the Adviser may change the Options Portfolio at any time, which would begin a new Hedge Period. Information about the Fund’s holdings is available and updated daily at: <span style="text-decoration:underline">www.abfunds.com</span>. Investors acquiring shares of the Fund at different time periods will have different investment results based on the price of shares of the Underlying ETF and how the Hedge Period Buffer and Hedge Period Cap are applied. Engaging in Upside Ratchets may potentially cause the Fund to have a higher portfolio turnover rate, and higher cost, than a fund that does not actively adjust its options portfolio prior to expiration. There is no guarantee that any Upside Ratchet will be successfully implemented, or that it will deliver the desired investment result. </div> </td> </tr> </table><div style="margin-top:6pt;margin-bottom:0pt;margin-left:2%;font-size:10pt;font-family:times new roman;">The Fund’s Hedge Period Cap and Hedge Period Buffer are designed to work over a particular time frame, the Hedge Period. Investors that acquire Fund shares after the Hedge Period has commenced, or sell Fund shares before the Hedge Period ends or an Upside Ratchet is performed, may have a different investment result than investors who held Fund shares during the entire Hedge Period. The degree to which an investor may benefit from the Hedge Period Buffer or Hedge Period Cap will depend on the point in time when the investor purchases Fund shares and whether the Adviser effectuates an Upside Ratchet. </div><div style="margin-top:6pt;margin-bottom:0pt;margin-left:2%;font-size:10pt;font-family:times new roman;">At the time of purchasing Fund shares, an investor may be unable to determine the Fund’s position relative to the Hedge Period Cap and Hedge Period Buffer. If the price of the Underlying ETF is near or has exceeded the strike price of the Fund’s Options Portfolio, there may be little remaining upside potential during a particular Hedge Period, until the Options Portfolio expires or the Adviser effectuates an Upside Ratchet. Investors purchasing Fund shares during this period would still remain subject to significant downside risk before the sought-after protection from the Hedge Period Buffer began. Similarly, if the Underlying ETF has decreased in price significantly to equal or exceed the Fund’s anticipated Hedge Period Buffer, investors would also remain subject to significant downside risk and would receive no benefit from the Hedge Period Buffer. </div><div style="margin-top:6pt;margin-bottom:0pt;margin-left:2%;font-size:10pt;font-family:times new roman;">The Fund is continuously offered and a new Hedge Period begins after the end of the prior Hedge Period, with a new Hedge Period Cap and a new Hedge Period Buffer. An investor that holds Fund shares over multiple continuous Hedge Periods may have a different investment result than an investor holding Fund shares for one Hedge Period. The Fund’s return is measured, with respect to the Hedge Period Cap and Hedge Period Buffer, over a single Hedge Period. The Fund’s return over a period longer than a single Hedge Period could differ in amount and direction from the return of the Underlying ETF. </div> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Active Trading Risk: </span>The Fund expects to engage in active and frequent trading of its portfolio securities and other portfolio activity. A higher rate of portfolio turnover or portfolio activity increases transaction costs, which may negatively affect the Fund’s return. In addition, a high rate of portfolio turnover or portfolio activity may result in substantial short-term gains, which may have adverse tax consequences for Fund shareholders. The Fund’s higher portfolio turnover or portfolio activity could also result in other consequences such as deferral of losses, acceleration of gains or treatment of short-term capital gains as ordinary income, any of which could adversely impact Fund shareholders. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Non-Diversification Risk: </span>The Fund may have more risk because it is “non-diversified”, meaning that it can invest more of its assets in a smaller number of issuers. Accordingly, changes in the value of a single security, such as the Underlying ETF, may have a more significant effect, either negative or positive, on the Fund’s NAV. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Underlying ETF Risk: </span>The Fund invests in FLEX Options that reference an ETF, which subjects the Fund to certain of the risks of owning shares of an ETF, as well as the types of instruments in which the Underlying ETF invests. The Underlying ETF generally will invest at least 80% of its assets in the component securities of the MSCI EAFE Index and in investments that have economic characteristics that are substantially identical to the component securities of the MSCI EAFE Index (<span style="font-style:italic">i.e</span>., depositary receipts representing securities of the Underlying Index) and may invest up to 20% of its assets in certain futures, options and swap contracts, cash and cash equivalents, including shares of money market funds advised by its adviser or its affiliates, as well as in securities not included in the MSCI EAFE Index, but which its adviser believes will help the Underlying ETF track the MSCI EAFE Index. The investment objective of the Underlying ETF is to seek to track the investment results of an index composed of large- and mid-capitalization developed market equities, excluding the U.S. and Canada. The value of an ETF will fluctuate over time based on fluctuations in the values of the securities held by the ETF, which may be affected by changes in general economic conditions, expectations for future growth and profits, interest rates and the supply and demand for those securities. In addition, ETFs are subject to authorized participant concentration risk, market maker risk, premium/discount risk, tracking error risk and trading issues risk. Brokerage, tax and other expenses may negatively impact the performance of the Underlying ETF and, in turn, the value of the Fund’s shares. An ETF that tracks an index may not exactly match the performance of the index due to differences between the portfolio of the ETF and the components of the index, expenses, and other factors. </div> </td> </tr> </table><div style="margin-top:6pt;margin-bottom:0pt;margin-left:2%;font-size:10pt;font-family:times new roman;">The risks of investing in an ETF also include the risks associated with the underlying investments held by the ETF. As such, the Fund may be subject to the following risks as a result of its exposure to the Underlying ETF through its usage of FLEX Options. </div> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Foreign (Non-U.S.) Investments Risk:</span> Investments in securities of non-U.S. issuers may involve more risk than those of U.S. issuers. These securities may fluctuate more widely in price and may be more difficult to trade than domestic securities due to adverse market, economic, political, regulatory or other factors. The Underlying ETF is specifically exposed to Asian and European economic risks. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Equity Securities Risk:</span> The Underlying ETF invests in publicly-traded equity securities, and their value may fluctuate, sometimes rapidly and unpredictably, which means a security may be worth more or less than when it was purchased. These fluctuations can be based on a variety of factors including a company’s financial condition as well as macro-economic factors such as interest rates, inflation rates, global market conditions, and non-economic factors such as market perceptions and social or political events. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Currency Risk:</span> Fluctuations in currency exchange rates may negatively affect the value of investments denominated in a non-U.S. currency. The value of investments held by the Underlying ETF (and therefore the value of the Underlying ETF), and therefore the value of the Fund’s FLEX Options, could change based on changes in currency exchange rates. The Fund’s NAV could therefore decline based on changes in the value of currencies or if there are delays or limits on repatriation of such currency. Currency exchange rates can be very volatile and can change quickly and unpredictably. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Sector Risk:</span> The Underlying ETF may have more risk because it may invest to a significant extent in one or more particular market sectors, such as the financials sector and industrials sector, which results in the Fund having significant exposure to such sectors through its exposure to the Underlying ETF by virtue of its usage of FLEX Options. To the extent the Underlying ETF does so, market or economic factors affecting the relevant sector(s) could have a major effect on the value of the Underlying ETF’s investments. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Concentration Risk.</span> The Underlying ETF may be susceptible to an increased risk of loss, including losses due to adverse events that affect the Underlying ETF’s investments more than the market as a whole, to the extent that the Underlying ETF’s investments are concentrated in the securities and/or other assets of a particular issuer or issuers, country, group of countries, region, market, industry, group of industries, sector, market segment or asset class. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Large-Capitalization Companies Risk:</span> The Underlying ETF invests in the securities of large capitalization companies, which results in the Fund having significant exposure to such companies through its exposure to the Underlying ETFs by virtue of its usage of FLEX Options. Large capitalization companies may grow at a slower rate and be less able to adapt to changing market conditions than smaller capitalization companies. Thus, the return on investment in securities of large capitalization companies may be less than the return on investment in securities of small- and/or mid-capitalization companies. The performance of large capitalization companies also tends to trail the overall market during different parts of market cycles. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Cash Transactions Risk: </span>The Fund intends to effectuate all or a portion of the issuance and redemption of Creation Units (as defined below) for cash, rather than in-kind securities. As a result, an investment in the Fund is expected to be less tax-efficient than an investment in an ETF that effectuates its transactions in Creation Units primarily on an in-kind basis. A fund that effects redemptions for cash may be required to sell portfolio securities in order to obtain the cash needed to distribute redemption proceeds. Any recognized gain on these sales by the Fund will generally cause the Fund to recognize a gain it might not otherwise have recognized, or to recognize such gain sooner than would otherwise be required as compared to an ETF that distributes portfolio securities in-kind in redemption of Creation Units. The Fund intends to distribute gains that arise by virtue of the issuance and redemption of Creation Units being effectuated in cash to shareholders to avoid being taxed on this gain at the fund level and otherwise comply with applicable tax requirements. This may cause shareholders to be subject to tax on gains to which they would not otherwise be subject, or at an earlier date than if they had made an investment in another ETF. Moreover, cash transactions may have to be carried out over several days if the securities market is relatively illiquid and may involve considerable brokerage fees and taxes. Brokerage fees, which will be higher than if the Fund sold and redeemed its shares principally in-kind, will be passed on to those purchasing and redeeming Creation Units in the form of creation and redemption transaction fees. In addition, these factors may result in wider spreads between the bid and ask prices of Fund shares than for ETFs that receive and distribute portfolio securities in-kind. The Fund’s use of cash for creations and redemptions could also result in dilution to the Fund and increased transaction costs, which could negatively impact the Fund’s ability to achieve its investment objective. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Derivatives Risk:</span> Derivatives may be difficult to price or unwind and leveraged so that small changes may produce disproportionate losses for the Fund. A short position in a derivative instrument involves the risk of a theoretically unlimited increase in the value of the underlying asset, reference rate or index, which could cause the Fund to suffer a potentially unlimited loss. Derivatives, especially over-the-counter derivatives, are also subject to counterparty risk, which is the risk that the counterparty (the party on the other side of the transaction) on a derivative transaction will be unable or unwilling to honor its contractual obligations to the Fund. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Leverage Risk: </span>To the extent the Fund uses leveraging techniques, its NAV may be more volatile because leverage tends to exaggerate the effect of changes in interest rates and any increase or decrease in the value of the Fund’s investments. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Illiquid Investments Risk:</span> Illiquid investments risk exists when certain investments are or become difficult to purchase or sell. Difficulty in selling such investments may result in sales at disadvantageous prices affecting the value of your investment in the Fund. Causes of illiquid investments risk may include low trading volumes and large positions. Illiquid investments risk may be higher in a rising interest rate environment, when the value and liquidity of fixed-income securities generally go down. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">ETF Share Price and Net Asset Value Risk:</span> The Fund’s shares are listed for trading on the Nasdaq Stock Market LLC (“Nasdaq” or an “Exchange”). Shares are generally bought and sold in the secondary market at market prices. The NAV per share of the Fund will fluctuate with changes in the market value of the Fund’s holdings. The Fund’s NAV is calculated once per day, at the end of the day. The market price of a share on the Exchange could be higher than the NAV (premium), or lower than the NAV (discount) and may fluctuate during the trading day. When all or a portion of the Fund’s underlying securities trade in a market that is closed when the market for the Fund’s shares is open, there may be differences between the current value of a security and the last quoted price for that security in the closed local market, which could lead to a deviation between the market value of the Fund’s shares and the Fund’s NAV. Disruptions in the creations and redemptions process or the existence of extreme market volatility could result in the Fund’s shares trading above or below NAV. As the Fund may invest in securities traded on foreign exchanges, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share than shares of other ETFs. In addition, in stressed market conditions, the market for Fund shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Authorized Participant Risk:</span> Only a limited number of financial institutions that enter into an authorized participant relationship with the Fund (“Authorized Participants”) may engage in creation or redemption transactions. If the Fund’s Authorized Participants decide not to create or redeem Fund shares, shares may trade at a larger premium or discount to the Fund’s NAV per share, or the Fund could face trading halts or de-listing. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Active Trading Market Risk:</span> There is no guarantee that an active trading market for Fund shares will exist at all times. In times of market stress, markets can suffer erratic or unpredictable trading activity, extraordinary volatility or wide bid/ask spreads, which could cause some market makers and Authorized Participants to reduce their market activity or “step away” from making a market in ETF shares. Market makers and Authorized Participants are not obligated to place or execute purchase and redemption orders. This could cause the Fund’s market price to deviate, materially, from the NAV, and reduce the effectiveness of the ETF arbitrage process. Any absence of an active trading market for Fund shares could lead to a heightened risk that there will be a difference between the market price of a Fund share and the underlying value of the Fund share. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Tax Risk:</span> The Fund intends to elect and to qualify each year to be treated as a regulated investment company (“RIC”) under Subchapter M of the U.S. Internal Revenue Code (the “Code”). If, in any year, the Fund fails to qualify as a RIC under the applicable tax laws, the Fund would be taxed as an ordinary corporation. The federal income tax treatment of some aspects of the Fund’s investment operations are not guaranteed. There are some uncertainties in how the Code would apply to the Fund’s options strategy and hedging strategies, and the application of “straddle” rules, and loss limitation provisions of the Code. The Fund intends to treat any income it may derive from the FLEX Options as “qualifying income” under the provisions of the Code applicable to RICs. The Fund also intends to treat the issuer of FLEX Options as a referenced asset for federal income tax purposes. The FLEX Options included in the portfolio are exchange-traded options. Under Section 1256 of the Code, certain types of exchange-traded options are treated as if they were sold (<span style="font-style:italic">i.e.</span>, “marked to market”) at the end of each year. The Fund does not believe that the positions held by the Fund will be subject to Section 1256, which means that the positions will not be marked to market. If the income is not qualifying income, or if the issuer of the FLEX Options is not appropriately treated as the referenced asset, or if the Fund cannot distribute the correct percentage of all income annually, the Fund could lose its status as a RIC, which could cause the Fund’s income to be taxed at higher rates. If a shareholder purchases Fund shares after the hedge period has begun, or shortly before a distribution by the Fund, then the entire distribution may be taxable to the shareholder even though a portion of the distribution effectively represents a return of the purchase price. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Management Risk: </span>The Fund is subject to management risk because it is an actively-managed ETF. The Adviser will apply its investment techniques and risk analyses in making investment decisions, but there is no guarantee that its techniques will produce the intended results. Some of these techniques may incorporate, or rely upon, quantitative models, but there is no guarantee that these models will generate accurate forecasts, reduce risk or otherwise perform as expected. </div> </td> </tr> </table> <div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">As with all investments, you may lose money by investing in the Fund. </div> BAR CHART AND PERFORMANCE INFORMATION <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The bar chart and performance information provide an indication of the historical risk of an investment in the Fund by showing: </div><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;">how the Fund’s performance changed from year to year over the life of the Fund; and </div> </td> </tr> </table><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;">how the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index. </div> </td> </tr> </table><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">You may obtain updated performance information on the website at <span style="text-decoration:underline">www.abfunds.com</span> (click on “Investments—ETFs”). </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. </div> how the Fund’s performance changed from year to year over the life of the Fund; and how the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index. www.abfunds.com The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. Bar Chart <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The annual returns in the bar chart are for the Fund’s shares. </div> Best Quarter 0.0582 2025-06-30 Worst Quarter 0.0305 2025-09-30 Performance Table Average Annual Total Returns (For the periods ended December 31, 2025) 0.1635 0.1356 0.1635 0.1356 0.0968 0.1034 0.3122 0.2409 2024-12-10 2024-12-10 2024-12-10 After-tax returns: –Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and– Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. AB Moderate Buffer ETF INVESTMENT OBJECTIVE <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s investment objective is to seek a moderate level of capital appreciation while providing the potential for some downside protection against market declines. </div> FEES AND EXPENSES OF THE FUND <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. <span style="font-weight:bold">You may be required to pay commissions and/or other forms of compensation to a broker for transactions in shares, which are not reflected in the tables or the examples below.</span> </div> Shareholder Fees (fees paid directly from your investment) 0 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) 0.0069 0 0.0000 0.0069 Examples <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Examples assume that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Examples also assume that your investment has a 5% return each year and that the Fund’s operating expenses stay the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be: </div> 70 221 384 859 Portfolio Turnover <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund pays transaction costs, such as commissions, when it buys or sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These transaction costs, which are not reflected in the Annual Fund Operating Expenses or in the Examples, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 0% of the average value of its portfolio. The calculation of portfolio turnover excludes the use of certain instruments, such as many derivatives, which if included in the calculation could result in a higher portfolio turnover rate. </div> 0 PRINCIPAL STRATEGIES <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund is an actively-managed exchange-traded fund (“ETF”). The Fund seeks to achieve its investment objective by investing, under normal conditions, substantially all of its assets in a combination of exchange-traded options contracts on an underlying ETF (“Underlying ETF”). The Underlying ETF (initially expected to be the SPDR<sup style="font-size:75%;vertical-align:top">®</sup> S&amp;P 500<sup style="font-size:75%;vertical-align:top">®</sup> ETF Trust) is an ETF that seeks to track the investment results of the S&amp;P 500 Index (the “Underlying ETF’s Index”), which measures the performance of the large-capitalization sector of the U.S. equity market, as determined by S&amp;P Dow Jones Indices LLC. The Fund uses an options strategy that seeks to produce investment outcomes based on the performance of the Underlying ETF, subject to an approximate upside limit typically between 4% and 5% (“Hedge Period Cap”), while also seeking to provide protection against Underlying ETF share price declines of up to a 10% limit (“Hedge Period Buffer”), over a designated period (typically 90 days, but may be up to 120 days, after portfolio rebalance) (each, a “Hedge Period”). Periodically, the Fund may bear a “first loss” of 2% when doing so permits the Fund to maintain a higher Hedge Period Cap, as explained below. The Adviser seeks to monitor the performance of this Options Portfolio (as defined below) and may rebalance the portfolio (by liquidating all or a portion of the Options Portfolio) at any time to protect capital or lock-in some portfolio gains of the Fund (“Upside Ratchet”), depending on its evaluation of market conditions. If </div><div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;"> there is an Upside Ratchet, the Hedge Period may be shorter. The Fund does not pursue a “defined outcome” strategy. Defined outcome strategies seek to produce pre-determined investment outcomes based upon the performance of an underlying security or index. The Fund is actively-managed and the Hedge Period Buffer may not protect the Fund against losses. Each Hedge Period is measured from the time of the Fund’s investment in the Options Portfolio, not from the time that an investor purchases shares of the Fund. At the time of purchasing Fund shares, an investor may be unable to determine the Fund’s position relative to the Hedge Period Cap and Hedge Period Buffer. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Underlying ETF’s Index covers approximately 80% of the market capitalization of all publicly-traded U.S. equity securities. The securities in the Underlying ETF’s Index are weighted based on the float-adjusted market value of their outstanding shares. The Underlying ETF’s Index consists of securities from a broad range of industries. The components of the Underlying ETF’s Index are likely to change over time. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund may also invest in equity securities of large capitalization companies or instruments with similar economic characteristics, S&amp;P 500 Index options, shares of <span style="font-weight:bold">AB Government Money Market Portfolio</span>, U.S. Government securities and cash and money market securities. For these purposes, “large capitalization companies” are those that, at the time of investment, have market capitalizations within the range of market capitalizations of companies appearing in the S&amp;P 500 Index. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;"><span style="font-weight:bold"><span style="font-style:italic">Investments.</span></span> The Fund typically utilizes customized call and put equity or index exchange-traded options contracts that reference the Underlying ETF, referred to as FLexible EXchange Options (“FLEX Options”), as well as other listed options that reference the price performance of the Underlying ETF, the Underlying ETF’s Index, or ETFs that replicate the Underlying ETF’s Index. FLEX Options provide investors with the ability to customize key option contract terms such as strike price, style and expiration date. The Fund intends to transact in four options: long put options, short put options, short call options and long call options (the “Options Portfolio”)—for the purposes of implementing the strategy and establishing the Hedge Period Cap and Hedge Period Buffer. </div><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:arial;font-size:8pt;width:100%;border-spacing:0px;margin:0 auto"> <tr> <td style="width:51%;"></td> <td style="vertical-align:bottom;width:1%;"></td> <td style="width:48%;"></td> </tr> <tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"> <td colspan="3" style="BORDER-BOTTOM:0.75pt solid #000000;vertical-align:bottom;text-align:center;"><span style="font-weight:bold">Options Portfolio</span></td> </tr> <tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"> <td style="BORDER-BOTTOM:0.75pt solid #000000;vertical-align:bottom;"><span style="font-weight:bold">Investment Type</span></td> <td style=" BORDER-BOTTOM:0.75pt solid #000000;vertical-align:bottom;">  </td> <td style="BORDER-BOTTOM:0.75pt solid #000000;vertical-align:bottom;"><span style="font-weight:bold">Strategy Purpose</span></td> </tr> <tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"> <td style="vertical-align:bottom;">Purchase Call (FLEX Option)</td> <td style="vertical-align:bottom;">  </td> <td style="vertical-align:bottom;">Obtain Economic Exposure to Shares of Underlying ETF</td> </tr> <tr style="font-size:1pt"> <td style="height:3.75pt;"></td> <td colspan="2" style="height:3.75pt;"></td> </tr> <tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"> <td style="vertical-align:bottom;">Purchase Put (FLEX Option)</td> <td style="vertical-align:bottom;">  </td> <td style="vertical-align:bottom;">Establish Hedge Period Buffer</td> </tr> <tr style="font-size:1pt"> <td style="height:3.75pt;"></td> <td colspan="2" style="height:3.75pt;"></td> </tr> <tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"> <td style="vertical-align:bottom;">Write Put (FLEX Option)</td> <td style="vertical-align:bottom;">  </td> <td style="vertical-align:bottom;">Establish End of Hedge Period Buffer</td> </tr> <tr style="font-size:1pt"> <td style="height:3.75pt;"></td> <td colspan="2" style="height:3.75pt;"></td> </tr> <tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"> <td style="vertical-align:bottom;">Write Call (FLEX Option)</td> <td style="vertical-align:bottom;">  </td> <td style="vertical-align:bottom;">Establish Hedge Period Cap</td> </tr> </table><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;"><span style="font-weight:bold"><span style="font-style:italic">Hedge Period Cap and Hedge Period Buffer.</span></span> The Hedge Period Cap is established by selling a call option that will limit the Fund’s ability to realize any increase in the value of the shares of the Underlying ETF above the strike price. The Fund estimates that the Hedge Period Cap will range from between 4% and 5%. For each Hedge Period, the Hedge Period Cap is based on the strike price of the short call options for that Hedge Period. The strike price for the option is expected to change for each Hedge Period, depending on prevailing market conditions, resulting in a different Hedge Period Cap for each Hedge Period. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Hedge Period Buffer is established by using a combination of options that operates to provide downside protection against a portion of the Underlying ETF’s share price decline for the applicable Hedge Period. The Fund may assume a loss attributable to the first 2% decline in the Underlying ETF’s share price at the time of establishing the Options Portfolio, and then the Hedge Period Buffer protects the Fund against further losses attributable to such share price declines, up to a 10% limit. If prevailing market conditions allow, the Fund will have less than a first loss of 2%. The Hedge Period Buffer does not protect the Fund against losses attributable to Underlying ETF share price declines exceeding 10%. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Hedge Period Cap and the Hedge Period Buffer are determined without regard to any fees or expenses charged to the Fund, which will have the effect of reducing the Hedge Period Cap or the Hedge Period Buffer for a Hedge Period. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund seeks to generate returns that match those attributable to the secondary market share price of the Underlying ETF, up to the Hedge Period Cap, while limiting downside losses attributable to the Underlying ETF share price declines. The hypothetical </div><div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;"> graphical illustration provided below is designed to illustrate the outcomes that the Fund seeks to provide for investors who hold shares for the entirety of a Hedge Period. There is no guarantee that the Fund will be successful in its attempt to provide the outcomes for any Hedge Period. </div><div style="margin-top:0pt;margin-bottom:0pt;text-align:center;"> <img alt="LOGO" src="g01x12.jpg" style="width:6.27851in;height:3.95401in;"/> </div><div style="margin-top:12pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;font-weight:bold;"><span style="font-style:italic">Hedge Period </span></div><div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s options strategy is designed to be implemented over Hedge Periods. </div><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-style:italic">Options Portfolio Upside Ratchet</span>. Once the Options Portfolio is established for a Hedge Period, the Adviser analyzes whether to engage in the Upside Ratchet of the Options Portfolio based on the Adviser’s assessment of the maximum potential remaining upside return of the portfolio. As a result of the performance of the FLEX Options during the Hedge Period to date, the Fund may have little or no upside available for the remainder of that Hedge Period because the Underlying ETF’s share price has increased in value substantially above the Hedge Period Cap. In these circumstances, the Adviser may, before expiration of the option term, unwind the then-current Options Portfolio and enter into new FLEX Options that establish a new Hedge Period, which would expire on the last business day of the next closest month-end period beyond three months. By engaging in the Upside Ratchet of the Options Portfolio, the Fund retains the potential to capture further increases in value when the market price of the Underlying ETF is increasing. This rebalancing may be implemented over several days, during which the Fund may have a blended portfolio consisting of old options and new options. </div> </td> </tr> </table><div style="font-size:6pt;margin-top:0pt;margin-bottom:0pt;"> </div><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-style:italic">Hedge Period Transitions</span>. If there is no Upside Ratchet of the Options Portfolio as the Fund approaches the end of a Hedge Period, the Adviser intends to rebalance the Options Portfolio for a new Hedge Period. This rebalancing may be implemented over several days, during which the Fund may have a blended portfolio consisting of expiring options and new options. At the end of each Hedge Period transition, the Fund expects to hold only new options as a result of this rebalancing. </div> </td> </tr> </table><div style="margin-top:12pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;font-weight:bold;"><span style="font-style:italic">Additional Information about the Fund’s Investment Strategy </span></div><div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">In lieu of purchasing a call to obtain economic exposure to the Underlying ETF (as indicated in the chart above), the Fund may seek to gain equivalent economic exposure by engaging in the following. The Fund may purchase a longer maturity near-zero strike call; purchase shares of the Underlying ETF; purchase shares of one or more other ETFs that replicate the Underlying ETF’s Index; purchase a combination of equity securities that in the aggregate seek to track the secondary market share price return of the Underlying ETF (excluding dividends); or invest in money market funds and/or other cash equivalents and purchase and sell a combination of call and put options that seek to replicate exposure to the Underlying ETF. </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund is non-diversified under the Investment Company Act of 1940, as amended (the “1940 Act”), which means it may invest a greater portion of its assets in fewer issuers than would otherwise be the case. </div> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Market Risk:</span> The value of the Fund’s assets will fluctuate as the market or markets for securities in which the Fund invests fluctuate. The value of the Fund’s investments may decline, sometimes rapidly and unpredictably, simply because of economic changes or other events, including public health crises (including the occurrence of a contagious disease or illness), terrorism, war, changing interest rate levels, the imposition of new or additional tariffs, and regional and global conflicts, that affect large portions of the market. The Fund is exposed to market risk indirectly through its targeted exposure to the Underlying ETF. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Buffered Loss Risk:</span> There can be no guarantee that the Hedge Period Buffer will be successful in protecting the Fund from the impact of Underlying ETF price declines. <span style="font-weight:bold">Despite the intended Hedge Period Buffer, a shareholder may lose money by investing in the Fund</span>. Declines in excess of the Hedge Period Buffer may result in the loss of an investor’s entire investment. If, during a Hedge Period, an investor purchases shares of the Fund after the date on which the Fund has entered into FLEX Options or sells shares of the Fund prior to the expiration of the FLEX Options, the Hedge Period Buffer that the Fund seeks to provide may not be available and the investor may not receive the full, or any, benefit of the Hedge Period Buffer. The Fund does not provide principal protection, and an investor may experience significant losses on an investment in the Fund. </div> </td> </tr> </table><div style="margin-top:6pt;margin-bottom:0pt;margin-left:2%;font-size:10pt;font-family:times new roman;">A blended portfolio of expiring options and new options could impact the Fund’s ability to realize the full, or any, benefit of the Hedge Period Buffer and may subject the Fund’s return to an upside limit that is slightly lower or higher than the Hedge Period Cap for the applicable Hedge Period. Accordingly, an investor may bear losses against which the Hedge Period Buffer is anticipated to protect and may be subject to an upside limit that is lower than the Hedge Period Cap. </div> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Buffer/Cap Change Risk:</span> A new Hedge Period Buffer and a new Hedge Period Cap are established each time the Options Portfolio is implemented, including after an Upside Ratchet event. The duration of a Hedge Period Cap or Hedge Period Buffer may vary. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Capped Upside Risk:</span> If an investor purchases shares of the Fund after the first day of a Hedge Period and the value of the Underlying ETF shares is at or near to the Hedge Period Cap for that Hedge Period, there may be little or no ability for that investor to experience an investment gain on their Fund shares unless the Fund engages in an Upside Ratchet of the Fund’s Options Portfolio. If an investor does not hold its shares of the Fund for an entire Hedge Period, the returns realized by that investor may not replicate those the Fund seeks to achieve. If the Underlying ETF experiences gains during a Hedge Period in excess of the Hedge Period Cap, unless the Fund has engaged in an Upside Ratchet, the Fund will not participate in those gains beyond the Hedge Period Cap. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">FLEX Options Correlation Risk:</span> Although the value of the FLEX Options structure held by the Fund generally correlates with the share price of the Underlying ETF, the FLEX Options are exercisable at the strike price only on their expiration date, and their daily valuation will not change at the same percentage as the share price of the Underlying ETF. Accordingly, the Fund’s net asset value, or NAV, or market price will not directly correlate on a day-to-day basis with the share price of the Underlying ETF. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">FLEX Options Liquidity Risk:</span> The FLEX Options are listed on an exchange; however, there is no guarantee that a liquid secondary trading market will exist for the FLEX Options. In the event that trading in the FLEX Options is limited or absent, the value of the Fund’s FLEX Options may decrease. In a less liquid market for the FLEX Options, liquidating the FLEX Options may require the payment of a premium (for written FLEX Options) or acceptance of a discounted price (for purchased FLEX Options) and may take longer to complete. A less liquid trading market may adversely impact the value of the FLEX Options and Fund shares and result in the Fund being unable to achieve its investment objective. The trading market for FLEX Options may lack depth and liquidity when compared to the trading market for certain other securities. FLEX Options may be less liquid than certain non-customized options. In a less liquid market for the FLEX Options, the liquidation of a large number of options may significantly impact the price. A less liquid trading market may adversely impact the value of the FLEX Options and the value of your investment. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">FLEX Options Valuation Risk:</span> FLEX Options held by the Fund will be exercisable at the strike price only on their expiration date. The value of the FLEX Options will be determined based upon market quotations or using other recognized pricing methods. The value of a FLEX Option prior to its expiration date may vary because of related factors other than the value of the Underlying ETF. Factors that may influence the value of a FLEX Option, other than changes in the value of the Underlying ETF, may include interest rate changes, changing supply and demand, decreased liquidity of the FLEX Options and changing volatility levels of the Underlying ETF. During periods of reduced market liquidity or in the absence of readily available market quotations for the holdings of the Fund, FLEX Options may become more difficult to value and the judgment of the Adviser, as the Fund’s valuation designee, may play a greater role in the valuation of the Fund’s holdings due to reduced availability of reliable objective pricing data. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Hedge Period Risk:</span> The Fund’s investment strategy is designed to deliver returns that reference an Underlying ETF and are based on options contracts that are designed to be in place for 90-day periods, although in some cases, the Fund will hold </div> </td> </tr> </table><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:2%;"> </td> <td style="vertical-align:top;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;"> options contracts of longer duration. The Fund may not hold its Options Portfolio for the full duration of the options contracts, and the Adviser may change the Options Portfolio at any time, which would begin a new Hedge Period. Information about the Fund’s holdings is available and updated daily at: <span style="text-decoration:underline">www.abfunds.com</span>. Investors acquiring shares of the Fund at different time periods will have different investment results based on the price of shares of the Underlying ETF and how the Hedge Period Buffer and Hedge Period Cap are applied. Engaging in Upside Ratchets may potentially cause the Fund to have a higher portfolio turnover rate, and higher cost, than a fund that does not actively adjust its options portfolio prior to expiration. There is no guarantee that any Upside Ratchet will be successfully implemented, or that it will deliver the desired investment result. </div> </td> </tr> </table><div style="margin-top:6pt;margin-bottom:0pt;margin-left:2%;font-size:10pt;font-family:times new roman;">The Fund’s Hedge Period Cap and Hedge Period Buffer are designed to work over a particular time frame, the Hedge Period. Investors that acquire Fund shares after the Hedge Period has commenced, or sell Fund shares before the Hedge Period ends or an Upside Ratchet is performed, may have a different investment result than investors who held Fund shares during the entire Hedge Period. The degree to which an investor may benefit from the Hedge Period Buffer or Hedge Period Cap will depend on the point in time when the investor purchases Fund shares and whether the Adviser effectuates an Upside Ratchet. </div><div style="margin-top:6pt;margin-bottom:0pt;margin-left:2%;font-size:10pt;font-family:times new roman;">At the time of purchasing Fund shares, an investor may be unable to determine the Fund’s position relative to the Hedge Period Cap and Hedge Period Buffer. If the price of the Underlying ETF is near or has exceeded the strike price of the Fund’s Options Portfolio, there may be little remaining upside potential during a particular Hedge Period, until the Options Portfolio expires or the Adviser effectuates an Upside Ratchet. Investors purchasing Fund shares during this period would still remain subject to significant downside risk before the sought-after protection from the Hedge Period Buffer began. Similarly, if the Underlying ETF has decreased in price significantly to equal or exceed the Fund’s anticipated Hedge Period Buffer, investors would also remain subject to significant downside risk and would receive no benefit from the Hedge Period Buffer. </div><div style="margin-top:6pt;margin-bottom:0pt;margin-left:2%;font-size:10pt;font-family:times new roman;">The Fund is continuously offered and a new Hedge Period begins after the end of the prior Hedge Period, with a new Hedge Period Cap and a new Hedge Period Buffer. An investor that holds Fund shares over multiple continuous Hedge Periods may have a different investment result than an investor holding Fund shares for one Hedge Period. The Fund’s return is measured, with respect to the Hedge Period Cap and Hedge Period Buffer, over a single Hedge Period. The Fund’s return over a period longer than a single Hedge Period could differ in amount and direction from the return of the Underlying ETF. </div> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Active Trading Risk: </span>The Fund expects to engage in active and frequent trading of its portfolio securities and other portfolio activity. A higher rate of portfolio turnover or portfolio activity increases transaction costs, which may negatively affect the Fund’s return. In addition, a high rate of portfolio turnover or portfolio activity may result in substantial short-term gains, which may have adverse tax consequences for Fund shareholders. The Fund’s higher portfolio turnover or portfolio activity could also result in other consequences such as deferral of losses, acceleration of gains or treatment of short-term capital gains as ordinary income, any of which could adversely impact Fund shareholders. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Non-Diversification Risk: </span>The Fund may have more risk because it is “non-diversified”, meaning that it can invest more of its assets in a smaller number of issuers. Accordingly, changes in the value of a single security, such as the Underlying ETF, may have a more significant effect, either negative or positive, on the Fund’s NAV. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Underlying ETF Risk: </span>The Fund invests in FLEX Options that reference an ETF, which subjects the Fund to certain of the risks of owning shares of an ETF, as well as the types of instruments in which the Underlying ETF invests. The Underlying ETF is an exchange-traded unit investment trust that uses a full replication strategy, meaning it invests entirely in the S&amp;P 500 Index. The investment objective of the Underlying ETF is to seek to provide investment results that, before expenses, correspond generally to the price and yield performance of the S&amp;P 500 Index, which includes five hundred (500) selected companies, all of which are listed on national stock exchanges and spans over 24 separate industry groups. The value of an ETF will fluctuate over time based on fluctuations in the values of the securities held by the ETF, which may be affected by changes in general economic conditions, expectations for future growth and profits, interest rates and the supply and demand for those securities. In addition, ETFs are subject to authorized participant concentration risk, market maker risk, premium/discount risk, tracking error risk and trading issues risk. Brokerage, tax and other expenses may negatively impact the performance of the Underlying ETF and, in turn, the value of the Fund’s shares. An ETF that tracks an index may not exactly match the performance of the index due to differences between the portfolio of the ETF and the components of the index, expenses, and other factors. </div> </td> </tr> </table><div style="margin-top:6pt;margin-bottom:0pt;margin-left:2%;font-size:10pt;font-family:times new roman;">The risks of investing in an ETF also include the risks associated with the underlying investments held by the ETF. As such, the Fund may be subject to the following risks as a result of its exposure to the Underlying ETF through its usage of FLEX Options. </div> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Equity Securities Risk:</span> The Underlying ETF invests in publicly-traded equity securities, and their value may fluctuate, sometimes rapidly and unpredictably, which means a security may be worth more or less than when it was purchased. These fluctuations can be based on a variety of factors including a company’s financial condition as well as macro-economic factors such as interest rates, inflation rates, global market conditions, and non-economic factors such as market perceptions and social or political events. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Large-Capitalization Companies Risk:</span> The Underlying ETF invests in the securities of large capitalization companies, which results in the Fund having significant exposure to such companies through its exposure to the Underlying ETFs by virtue </div> </td> </tr> </table><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:2%;"> </td> <td style="vertical-align:top;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;"> of its usage of FLEX Options. Large capitalization companies may grow at a slower rate and be less able to adapt to changing market conditions than smaller capitalization companies. Thus, the return on investment in securities of large capitalization companies may be less than the return on investment in securities of small- and/or mid-capitalization companies. The performance of large capitalization companies also tends to trail the overall market during different parts of market cycles. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Cash Transactions Risk: </span>The Fund intends to effectuate all or a portion of the issuance and redemption of Creation Units (as defined below) for cash, rather than in-kind securities. As a result, an investment in the Fund is expected to be less tax-efficient than an investment in an ETF that effectuates its transactions in Creation Units primarily on an in-kind basis. A fund that effects redemptions for cash, it may be required to sell portfolio securities in order to obtain the cash needed to distribute redemption proceeds. Any recognized gain on these sales by the Fund will generally cause the Fund to recognize a gain it might not otherwise have recognized, or to recognize such gain sooner than would otherwise be required as compared to an ETF that distributes portfolio securities in-kind in redemption of Creation Units. The Fund intends to distribute gains that arise by virtue of the issuance and redemption of Creation Units being effectuated in cash to shareholders to avoid being taxed on this gain at the fund level and otherwise comply with applicable tax requirements. This may cause shareholders to be subject to tax on gains to which they would not otherwise be subject, or at an earlier date than if they had made an investment in another ETF. Moreover, cash transactions may have to be carried out over several days if the securities market is relatively illiquid and may involve considerable brokerage fees and taxes. Brokerage fees, which will be higher than if the Fund sold and redeemed its shares principally in-kind, will be passed on to those purchasing and redeeming Creation Units in the form of creation and redemption transaction fees. In addition, these factors may result in wider spreads between the bid and ask prices of Fund shares than for ETFs that receive and distribute portfolio securities in-kind. The Fund’s use of cash for creations and redemptions could also result in dilution to the Fund and increased transaction costs, which could negatively impact the Fund’s ability to achieve its investment objective. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Derivatives Risk:</span> Derivatives may be difficult to price or unwind and leveraged so that small changes may produce disproportionate losses for the Fund. A short position in a derivative instrument involves the risk of a theoretically unlimited increase in the value of the underlying asset, reference rate or index, which could cause the Fund to suffer a potentially unlimited loss. Derivatives, especially over-the-counter derivatives, are also subject to counterparty risk, which is the risk that the counterparty (the party on the other side of the transaction) on a derivative transaction will be unable or unwilling to honor its contractual obligations to the Fund. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Leverage Risk: </span>To the extent the Fund uses leveraging techniques, its NAV may be more volatile because leverage tends to exaggerate the effect of changes in interest rates and any increase or decrease in the value of the Fund’s investments. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Illiquid Investments Risk:</span> Illiquid investments risk exists when certain investments are or become difficult to purchase or sell. Difficulty in selling such investments may result in sales at disadvantageous prices affecting the value of your investment in the Fund. Causes of illiquid investments risk may include low trading volumes and large positions. Illiquid investments risk may be higher in a rising interest rate environment, when the value and liquidity of fixed-income securities generally go down. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">ETF Share Price and Net Asset Value Risk:</span> The Fund’s shares are listed for trading on the Nasdaq Stock Market LLC (“Nasdaq” or an “Exchange”). Shares are generally bought and sold in the secondary market at market prices. The NAV per share of the Fund will fluctuate with changes in the market value of the Fund’s holdings. The Fund’s NAV is calculated once per day, at the end of the day. The market price of a share on the Exchange could be higher than the NAV (premium), or lower than the NAV (discount) and may fluctuate during the trading day. When all or a portion of the Fund’s underlying securities trade in a market that is closed when the market for the Fund’s shares is open, there may be differences between the current value of a security and the last quoted price for that security in the closed local market, which could lead to a deviation between the market value of the Fund’s shares and the Fund’s NAV. Disruptions in the creations and redemptions process or the existence of extreme market volatility could result in the Fund’s shares trading above or below NAV. As the Fund may invest in securities traded on foreign exchanges, Fund shares may trade at a larger premium or discount to the Fund’s NAV per share than shares of other ETFs. In addition, in stressed market conditions, the market for Fund shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Authorized Participant Risk:</span> Only a limited number of financial institutions that enter into an authorized participant relationship with the Fund (“Authorized Participants”) may engage in creation or redemption transactions. If the Fund’s Authorized Participants decide not to create or redeem Fund shares, shares may trade at a larger premium or discount to the Fund’s NAV per share, or the Fund could face trading halts or de-listing. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Active Trading Market Risk:</span> There is no guarantee that an active trading market for Fund shares will exist at all times. In times of market stress, markets can suffer erratic or unpredictable trading activity, extraordinary volatility or wide bid/ask spreads, which could cause some market makers and Authorized Participants to reduce their market activity or “step away” from making a market in ETF shares. Market makers and Authorized Participants are not obligated to place or execute purchase and redemption orders. This could cause the Fund’s market price to deviate, materially, from the NAV, and reduce the effectiveness of </div> </td> </tr> </table><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:2%;"> </td> <td style="vertical-align:top;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;"> the ETF arbitrage process. Any absence of an active trading market for Fund shares could lead to a heightened risk that there will be a difference between the market price of a Fund share and the underlying value of the Fund share. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Tax Risk:</span> The Fund intends to elect and to qualify each year to be treated as a regulated investment company (“RIC”) under Subchapter M of the U.S. Internal Revenue Code (the “Code”). If, in any year, the Fund fails to qualify as a RIC under the applicable tax laws, the Fund would be taxed as an ordinary corporation. The federal income tax treatment of some aspects of the Fund’s investment operations are not guaranteed. There are some uncertainties in how the Code would apply to the Fund’s options strategy and hedging strategies, and the application of “straddle” rules, and loss limitation provisions of the Code. The Fund intends to treat any income it may derive from the FLEX Options as “qualifying income” under the provisions of the Code applicable to RICs. The Fund also intends to treat the issuer of FLEX Options as a referenced asset for federal income tax purposes. The FLEX Options included in the portfolio are exchange-traded options. Under Section 1256 of the Code, certain types of exchange-traded options are treated as if they were sold (<span style="font-style:italic">i.e.</span>, “marked to market”) at the end of each year. The Fund does not believe that the positions held by the Fund will be subject to Section 1256, which means that the positions will not be marked to market. If the income is not qualifying income, or if the issuer of the FLEX Options is not appropriately treated as the referenced asset, or if the Fund cannot distribute the correct percentage of all income annually, the Fund could lose its status as a RIC, which could cause the Fund’s income to be taxed at higher rates. If a shareholder purchases Fund shares after the hedge period has begun, or shortly before a distribution by the Fund, then the entire distribution may be taxable to the shareholder even though a portion of the distribution effectively represents a return of the purchase price. </div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;"><span style="font-weight:bold">Management Risk: </span>The Fund is subject to management risk because it is an actively-managed ETF. The Adviser will apply its investment techniques and risk analyses in making investment decisions, but there is no guarantee that its techniques will produce the intended results. Some of these techniques may incorporate, or rely upon, quantitative models, but there is no guarantee that these models will generate accurate forecasts, reduce risk or otherwise perform as expected. </div> </td> </tr> </table> <div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">As with all investments, you may lose money by investing in the Fund </div> BAR CHART AND PERFORMANCE INFORMATION <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The bar chart and performance information provide an indication of the historical risk of an investment in the Fund by showing: </div><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;">how the Fund’s performance changed from year to year over the life of the Fund; and </div> </td> </tr> </table><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:times new roman;font-size:10pt;border-spacing:0px;width:100%"> <tr style="page-break-inside:avoid"> <td style="width:1%;vertical-align:top;text-align:left;">•</td> <td style="width:1%;vertical-align:top;"> </td> <td style="vertical-align:top;text-align:left;"> <div style="margin-top:0pt;margin-bottom:0pt;font-family:times new roman;font-size:10pt;text-align:left;">how the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index. </div> </td> </tr> </table><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">You may obtain updated performance information on the website at <span style="text-decoration:underline">www.abfunds.com</span> (click on “Investments—ETFs”). </div><div style="margin-top:6pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. </div> how the Fund’s performance changed from year to year over the life of the Fund; and how the Fund’s average annual returns for one year and since inception compare to those of a broad-based securities market index. www.abfunds.com The Fund’s past performance before and after taxes, of course, does not necessarily indicate how it will perform in the future. Bar Chart <div style="margin-top:0pt;margin-bottom:0pt;font-size:10pt;font-family:times new roman;">The annual returns in the bar chart are for the Fund’s shares. </div> Best Quarter 0.0537 2025-06-30 Worst Quarter 0.0025 2025-03-31 Performance Table Average Annual Total Returns (For the periods ended December 31, 2025) 0.1279 0.1087 0.1279 0.1087 0.0757 0.0829 0.1788 0.1374 2024-12-10 2024-12-10 2024-12-10 After-tax returns: –Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and– Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. The Fund’s investment advisory agreement provides that AllianceBernstein L.P. (the “Adviser”) will pay substantially all expenses of the Fund (including expenses of AB Active ETFs, Inc. relating to the Fund), except for the advisory fees, payments under the Fund’s 12b-1 plan (if any), interest expenses, taxes, acquired fund fees and expenses (other than fees and expenses for funds advised by the Adviser and/or its affiliates), and litigation and extraordinary expenses not incurred in the ordinary course of the Fund’s business. Additionally, the Fund is responsible for its non-operating expenses, including brokerage commissions. For periods prior to the Reorganization, the table reflects returns for the High Yield Predecessor Fund’s Advisor Class shares. Effective April 14, 2023, the High Yield Predecessor Fund converted its existing Class A and Class Z shares to Advisor Class shares and terminated the Class A and Class Z shares. Class A shares of the High Yield Predecessor Fund were in operation during the period from July 26, 2016, until February 26, 2018, and resumed operations on April 30, 2021; Class Z shares of the High Yield Predecessor Fund were in operation during the period from July 26, 2016, until February 26, 2018, and resumed operations on April 30, 2021; and Advisor Class shares of the High Yield Predecessor Fund have been in operation since July 26, 2016. From February 26, 2018 through April 29, 2021, the High Yield Predecessor Fund had a performance-based, or fulcrum, advisory fee. The Fund has a fixed investment advisory fee. Accordingly, performance information shown for this period reflects performance fee adjustments and would have been different if the High Yield Predecessor Fund had been managed under the current advisory fee arrangement. In addition, on July 26, 2016, the High Yield Predecessor Fund acquired the assets and liabilities of AB High Yield Portfolio, a series of The AB Pooling Portfolios. Upon completion of that reorganization, the High Yield Predecessor Fund adopted the accounting history and performance of that series. The performance shown above reflects that reorganization. The inception date for Advisor Class shares of the Short Duration Income Predecessor Fund was 12/12/18. The Fund’s investment advisory agreement provides that AllianceBernstein L.P. (the “Adviser”) will pay substantially all expenses of the Fund (including expenses of AB Active ETFs, Inc. relating to the Fund), except for the advisory fees, payments under the Fund’s 12b-1 plan (if any), interest expenses, taxes, acquired fund fees and expenses (other than fees and expenses for funds advised by the Adviser and/or its affiliates), and litigation and extraordinary expenses not incurred in the ordinary course of the Fund’s business. Additionally, the Fund is responsible for its non-operating expenses, including brokerage commissions. For periods prior to the Reorganization, the table shows returns for the Short Duration High Yield Predecessor Fund’s Advisor Class shares. Effective March 18, 2024, the Short Duration High Yield Predecessor Fund converted its existing Class A and Class C shares to Advisor Class shares and terminated the Class A and Class C shares. After-tax returns: – Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and – Are not relevant to investors who hold Short Duration High Yield Predecessor Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. The Fund’s investment advisory agreement provides that AllianceBernstein L.P. (the “Adviser”) will pay substantially all expenses of the Fund (including expenses of AB Active ETFs, Inc. relating to the Fund), except for the advisory fees, payments under the Fund’s 12b-1 plan (if any), interest expenses, taxes, acquired fund fees and expenses (other than fees and expenses for funds advised by the Adviser and/or its affiliates), and litigation and extraordinary expenses not incurred in the ordinary course of the Fund’s business. Additionally, the Fund is responsible for its non-operating expenses, including brokerage commissions. Total “Other Expenses” are based on estimated amounts for the current fiscal year. After-tax Returns: – Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and – Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. For periods prior to the Reorganization, the table shows returns for the Core Bond Predecessor Fund’s Intermediate Duration Institutional Class shares. After-tax returns: – Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and – Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. The Fund’s investment advisory agreement provides that AllianceBernstein L.P. (the “Adviser”) will pay substantially all expenses of the Fund (including expenses of AB Active ETFs, Inc. relating to the Fund), except for the advisory fees, payments under the Fund’s 12b-1 plan (if any), interest expenses, taxes, acquired fund fees and expenses (other than fees and expenses for funds advised by the Adviser and/or its affiliates), and litigation and extraordinary expenses not incurred in the ordinary course of the Fund’s business. Additionally, the Fund is responsible for its non-operating expenses, including brokerage commissions. Inception date is 9/14/22. After-tax returns: – Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and – Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. The Fund’s investment advisory agreement provides that AllianceBernstein L.P. (the “Adviser”) will pay substantially all expenses of the Fund (including expenses of AB Active ETFs, Inc. relating to the Fund), except for the advisory fees, payments under the Fund’s 12b-1 plan (if any), interest expenses, taxes, acquired fund fees and expenses (other than fees and expenses for funds advised by the Adviser and/or its affiliates), and litigation and extraordinary expenses not incurred in the ordinary course of the Fund’s business. Additionally, the Fund is responsible for its non-operating expenses, including brokerage commissions. Inception date is 12/13/23. After-tax returns: – Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and – Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. The Fund’s investment advisory agreement provides that AllianceBernstein L.P. (the “Adviser”) will pay substantially all expenses of the Fund (including expenses of AB Active ETFs, Inc. relating to the Fund), except for the advisory fees, payments under the Fund’s 12b-1 plan (if any), interest expenses, taxes, acquired fund fees and expenses (other than fees and expenses for funds advised by the Adviser and/or its affiliates), and litigation and extraordinary expenses not incurred in the ordinary course of the Fund’s business. Additionally, the Fund is responsible for its non-operating expenses, including brokerage commissions. Inception date is 12/13/23. After-tax returns: – Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and – Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. The Fund’s investment advisory agreement provides that AllianceBernstein L.P. (the “Adviser”) will pay substantially all expenses of the Fund (including expenses of AB Active ETFs, Inc. relating to the Fund), except for the advisory fees, payments under the Fund’s 12b-1 plan (if any), interest expenses, taxes, acquired fund fees and expenses (other than fees and expenses for funds advised by the Adviser and/or its affiliates), and litigation and extraordinary expenses not incurred in the ordinary course of the Fund’s business. Additionally, the Fund is responsible for its non-operating expenses, including brokerage commissions. Total “Other Expenses” are based on estimated amounts for the current fiscal year. For periods prior to the Reorganization, the table shows returns for the California Municipal Predecessor Fund’s Advisor Class shares. Effective September 3, 2025, the California Municipal Predecessor Fund converted its existing Class A and Class C shares into Advisor Class shares and liquidated the Class A and Class C shares. The inception date of the California Municipal Predecessor Fund’s Advisor Class shares is July 25, 2016. Performance information for periods prior to the inception of the California Municipal Predecessor Fund’s Advisor Class shares is the performance of the California Municipal Predecessor Fund’s Class A shares, adjusted to reflect the net expense differences between Class A and Advisor Class shares. After-tax Returns: – Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and – Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. The Fund’s investment advisory agreement provides that AllianceBernstein L.P. (the “Adviser”) will pay substantially all expenses of the Fund (including expenses of AB Active ETFs, Inc. relating to the Fund), except for the advisory fees, payments under the Fund’s 12b-1 plan (if any), interest expenses, taxes, acquired fund fees and expenses (other than fees and expenses for funds advised by the Adviser and/or its affiliates), and litigation and extraordinary expenses not incurred in the ordinary course of the Fund’s business. Additionally, the Fund is responsible for its non-operating expenses, including brokerage commissions. Total “Other Expenses” are based on estimated amounts for the current fiscal year. For periods prior to the Reorganization, the table shows returns for the New York Municipal Predecessor Fund’s Advisor Class shares. Effective October 7, 2025, the New York Municipal Predecessor Fund converted its existing Class A and Class C shares into Advisor Class shares and liquidated the Class A and Class C shares. The inception date of the New York Municipal Predecessor Fund’s Advisor Class shares is July 25, 2016. Performance information for periods prior to the inception of the New York Municipal Predecessor Fund’s Advisor Class shares is the performance of the New York Municipal Predecessor Fund’s Class A shares, adjusted to reflect the net expense differences between Class A and Advisor Class shares. After-tax returns: – Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and – Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. The Fund’s investment advisory agreement provides that AllianceBernstein L.P. (the “Adviser”) will pay substantially all expenses of the Fund (including expenses of AB Active ETFs, Inc. relating to the Fund), except for the advisory fees, payments under the Fund’s 12b-1 plan (if any), interest expenses, taxes, acquired fund fees and expenses (other than fees and expenses for funds advised by the Adviser and/or its affiliates), and litigation and extraordinary expenses not incurred in the ordinary course of the Fund’s business. Additionally, the Fund is responsible for its non-operating expenses, including brokerage commissions. The Fund’s investment advisory agreement provides that AllianceBernstein L.P. (the “Adviser”) will pay substantially all expenses of the Fund (including expenses of AB Active ETFs, Inc. relating to the Fund), except for the advisory fees, payments under the Fund’s 12b-1 plan (if any), interest expenses, taxes, acquired fund fees and expenses (other than fees and expenses for funds advised by the Adviser and/or its affiliates), and litigation and extraordinary expenses not incurred in the ordinary course of the Fund’s business. Additionally, the Fund is responsible for its non-operating expenses, including brokerage commissions. Inception date is 3/22/23. After-tax returns: – Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and – Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. Management Fees have been restated to reflect a contractual reduction in management fees effective May 9, 2025. The Fund’s investment advisory agreement provides that AllianceBernstein L.P. (the “Adviser”) will pay substantially all expenses of the Fund (including expenses of AB Active ETFs, Inc. relating to the Fund), except for the advisory fees, payments under the Fund’s 12b-1 plan (if any), interest expenses, taxes, acquired fund fees and expenses (other than fees and expenses for funds advised by the Adviser and/or its affiliates), and litigation and extraordinary expenses not incurred in the ordinary course of the Fund’s business. Additionally, the Fund is responsible for its non-operating expenses, including brokerage commissions. Inception date is 3/22/23. After-tax returns: – Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and – Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. Management Fees have been restated to reflect a contractual reduction in management fees effective May 9, 2025. The Fund’s investment advisory agreement provides that AllianceBernstein L.P. (the “Adviser”) will pay substantially all expenses of the Fund (including expenses of AB Active ETFs, Inc. relating to the Fund), except for the advisory fees, payments under the Fund’s 12b-1 plan (if any), interest expenses, taxes, acquired fund fees and expenses (other than fees and expenses for funds advised by the Adviser and/or its affiliates), and litigation and extraordinary expenses not incurred in the ordinary course of the Fund’s business. Additionally, the Fund is responsible for its non-operating expenses, including brokerage commissions. Inception date is 9/20/23. After-tax returns: – Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and – Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. Management Fees have been restated to reflect a contractual reduction in management fees effective May 9, 2025. The Fund’s investment advisory agreement provides that AllianceBernstein L.P. (the “Adviser”) will pay substantially all expenses of the Fund (including expenses of AB Active ETFs, Inc. relating to the Fund), except for the advisory fees, payments under the Fund’s 12b-1 plan (if any), interest expenses, taxes, acquired fund fees and expenses (other than fees and expenses for funds advised by the Adviser and/or its affiliates), and litigation and extraordinary expenses not incurred in the ordinary course of the Fund’s business. Additionally, the Fund is responsible for its non-operating expenses, including brokerage commissions. Inception date is 3/22/23. After-tax returns: – Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and – Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. The Fund’s investment advisory agreement provides that AllianceBernstein L.P. (the “Adviser”) will pay substantially all expenses of the Fund (including expenses of AB Active ETFs, Inc. relating to the Fund), except for the advisory fees, payments under the Fund’s 12b-1 plan (if any), interest expenses, taxes, acquired fund fees and expenses (other than fees and expenses for funds advised by the Adviser and/or its affiliates), and litigation and extraordinary expenses not incurred in the ordinary course of the Fund’s business. Additionally, the Fund is responsible for its non-operating expenses, including brokerage commissions. For periods prior to the Reorganization, the table reflects returns for the International Low Volatility Equity Predecessor Fund’s Advisor Class shares. Effective March 18, 2024, the International Low Volatility Equity Predecessor Fund converted its existing Class A, Class C and Class Z shares to Advisor Class shares and terminated the Class A, Class C and Class Z shares. After-tax returns: – Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and – Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. The Fund’s investment advisory agreement provides that AllianceBernstein L.P. (the “Adviser”) will pay substantially all expenses of the Fund (including expenses of AB Active ETFs, Inc. relating to the Fund), except for the advisory fees, payments under the Fund’s 12b-1 plan (if any), interest expenses, taxes, acquired fund fees and expenses (other than fees and expenses for funds advised by the Adviser and/or its affiliates), and litigation and extraordinary expenses not incurred in the ordinary course of the Fund’s business. Additionally, the Fund shall be responsible for its non-operating expenses, including brokerage commissions. Total “Other Expenses” are based on estimated amounts for the current fiscal year. The Fund’s investment advisory agreement provides that AllianceBernstein L.P. (the “Adviser”) will pay substantially all expenses of the Fund (including expenses of AB Active ETFs, Inc. relating to the Fund), except for the advisory fees, payments under the Fund’s 12b-1 plan (if any), interest expenses, taxes, acquired fund fees and expenses (other than fees and expenses for funds advised by the Adviser and/or its affiliates), and litigation and extraordinary expenses not incurred in the ordinary course of the Fund’s business. Additionally, the Fund shall be responsible for its non-operating expenses, including brokerage commissions. Inception date is 9/14/22. Inception date is 12/13/23. After-tax returns: – Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and – Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. After-tax returns: – Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and – Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. The Fund’s investment advisory agreement provides that AllianceBernstein L.P. (the “Adviser”) will pay substantially all expenses of the Fund (including expenses of AB Active ETFs, Inc. relating to the Fund), except for the advisory fees, payments under the Fund’s 12b-1 plan (if any), interest expenses, taxes, acquired fund fees and expenses (other than fees and expenses for funds advised by the Adviser and/or its affiliates), and litigation and extraordinary expenses not incurred in the ordinary course of the Fund’s business. Additionally, the Fund shall be responsible for its non-operating expenses, including brokerage commissions. Inception date is 12/10/2024. After-tax returns: – Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and – Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. The Fund’s investment advisory agreement provides that AllianceBernstein L.P. (the “Adviser”) will pay substantially all expenses of the Fund (including expenses of AB Active ETFs, Inc. relating to the Fund), except for the advisory fees, payments under the Fund’s 12b-1 plan (if any), interest expenses, taxes, acquired fund fees and expenses (other than fees and expenses for funds advised by the Adviser and/or its affiliates), and litigation and extraordinary expenses not incurred in the ordinary course of the Fund’s business. Additionally, the Fund shall be responsible for its non-operating expenses, including brokerage commissions. Inception date is 12/10/2024. After-tax returns: – Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and – Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. The Fund’s investment advisory agreement provides that AllianceBernstein L.P. (the “Adviser”) will pay substantially all expenses of the Fund (including expenses of AB Active ETFs, Inc. relating to the Fund), except for the advisory fees, payments under the Fund’s 12b-1 plan (if any), interest expenses, taxes, acquired fund fees and expenses (other than fees and expenses for funds advised by the Adviser and/or its affiliates), and litigation and extraordinary expenses not incurred in the ordinary course of the Fund’s business. Additionally, the Fund is responsible for its non-operating expenses, including brokerage commissions. Inception date is 12/13/23. After-tax returns: – Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and – Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. Management Fees have been restated to reflect a contractual reduction in management fees effective February 7, 2025. The Fund’s investment advisory agreement provides that AllianceBernstein L.P. (the “Adviser”) will pay substantially all expenses of the Fund (including expenses of AB Active ETFs, Inc. relating to the Fund), except for the advisory fees, payments under the Fund’s 12b-1 plan (if any), interest expenses, taxes, acquired fund fees and expenses (other than fees and expenses for funds advised by the Adviser and/or its affiliates), and litigation and extraordinary expenses not incurred in the ordinary course of the Fund’s business. Additionally, the Fund is responsible for its non-operating expenses, including brokerage commissions. Inception date is 12/13/23. After-tax returns: – Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and – Are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. The Fund’s investment advisory agreement provides that AllianceBernstein L.P. (the “Adviser”) will pay substantially all expenses of the Fund (including expenses of AB Active ETFs, Inc. relating to the Fund), except for the advisory fees, payments under the Fund’s 12b-1 plan (if any), interest expenses, taxes, acquired fund fees and expenses (other than fees and expenses for funds advised by the Adviser and/or its affiliates), and litigation and extraordinary expenses not incurred in the ordinary course of the Fund’s business. Additionally, the Fund is responsible for its non-operating expenses, including brokerage commissions. For periods prior to the Reorganization, the table shows returns for the Short Duration Income Predecessor Fund’s Advisor Class shares. Effective March 18, 2024, the Short Duration Income Predecessor Fund converted its existing Class A and Class C shares to Advisor Class shares and terminated Class A and Class C shares. After-tax returns: – Are an estimate, which is based on the highest historical individual federal marginal income tax rates, and do not reflect the impact of state and local taxes; actual after-tax returns depend on an individual investor’s tax situation and are likely to differ from those shown; and – Are not relevant to investors who hold Short Duration Income Predecessor Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.