v3.23.3
EARNINGS (LOSS) PER SHARE (Tables)
 9 Months Ended
Sep. 30, 2023
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted As the liquidation and dividend rights are identical for Class A and Class B common stock, the undistributed earnings are allocated on a proportional basis and the resulting net income (loss) per share attributable to common stockholders will, therefore, be the same for both Class A and Class B common stock on an individual or combined basis.
Three Months Ended September 30,Nine Months Ended September 30,
(In thousands, except per share data)2023202220232022
Numerator:
Net income (loss) attributable to Class A and Class B common stockholders$2,807 $(18,445)$3,950 $(45,644)
Denominator:
Weighted-average shares in computing net income (loss) per share attributable to Class A and Class B common stockholders, basic and diluted41,719 39,753 41,190 39,210 
Effect of dilutive securities
Dilutive effect of stock options outstanding (1)3,004 — 3,004 — 
RSUs outstanding2,223 — 2,223 — 
Denominator for dilutive net income per common share - weighted-average shares46,946 39,753 46,417 39,210 
Basic income (loss) per common share$0.07 $(0.46)$0.10 $(1.16)
Diluted income (loss) per common share$0.06 $(0.46)$0.09 $(1.16)
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(1) The Company had 3.3 million options outstanding as of September 30, 2023. The estimated dilutive effect is calculated as the number of shares expected to be issued upon vesting or exercise, adjusted for the strike price proceeds that are received by the Company and assumed to be used to repurchase shares of Duolingo common stock.
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share The potential shares of common stock that were excluded from the computation of diluted net loss per share attributable to common stockholders for the period presented because including them would have been antidilutive are as follows:
(In thousands)September 30, 2022
Founder awards where performance has been met180 
Stock options outstanding (1)4,575 
RSUs outstanding (1)1,854 
Total6,609 
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(1) Prior year amounts were adjusted in the current year table to include unvested options and RSUs.