v3.24.3
CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Operating activities    
Net loss $ (76,616) $ (85,922)
Adjustments to reconcile net loss to net cash used in operating activities:    
Accretion of discounts on marketable securities (2,283) (4,512)
Depreciation and amortization 916 893
Stock-based compensation expense 15,346 12,662
Loss on foreign currency translation 0 (655)
Non-cash operating lease expense 1,752 1,751
Changes in operating assets and liabilities:    
Prepaid expenses and other assets 1,709 1,094
Accounts payable, accrued expenses and other current liabilities (11,549) 7,406
Operating lease liabilities (2,135) (2,011)
Net cash used in operating activities (72,860) (69,294)
Investing activities    
Purchase of marketable securities (51,416) (106,238)
Proceeds from maturities of marketable securities 105,082 190,790
Purchase of property and equipment (121) (1,058)
Net cash provided by investing activities 53,545 83,494
Financing activities    
Proceeds from issuances of common stock in "at-the-market" offerings, net of issuance costs 8,969 0
Proceeds from issuance of common stock under employee stock plans 768 989
Net cash provided by financing activities 9,737 989
Net (decrease) increase in cash and cash equivalents (9,578) 15,189
Cash and cash equivalents at beginning of period 47,478 38,946
Cash and cash equivalents at end of period $ 37,900 $ 54,135