(In thousands, except per share amounts)
(unaudited)
Three Months Ended March 31, | ||||||||
2022 | 2021 | |||||||
GAAP net income/(loss) | $ | 71,904 | $ | (2,872 | ) | |||
Stock-based compensation expense (1) | 56,088 | 658 | ||||||
Acquisition-related costs (2) | 172 | — | ||||||
Amortization expense of acquired intangible assets | 260 | — | ||||||
Change in fair value of warrants liabilities (3) | (21,433 | ) | — | |||||
Change in fair value of contingent earn-out liability (4) | (136,043 | ) | — | |||||
Payroll tax related to contingent earn-out share issuance (5) | 1,164 | — | ||||||
Non-GAAP net loss | $ | (27,888 | ) | $ | (2,214 | ) | ||
GAAP net income (loss) per share attributable to common stockholders: | ||||||||
Basic | $ | 0.26 | $ | (0.07 | ) | |||
Diluted | $ | 0.23 | $ | (0.07 | ) | |||
Non-GAAP net loss per share attributable to common stockholders, basic and diluted | $ | (0.10 | ) | $ | (0.01 | ) | ||
GAAP weighted-average shares used to compute net income (loss) per share, basic | 275,199 | 39,632 | ||||||
Weighted-average effect of potentially dilutive securities ( 6 ) | 37,233 | — | ||||||
GAAP weighted-average shares used to compute net income (loss) per share, diluted | 312,432 | 39,632 | ||||||
Excluded anti-dilutive weighted-average potential shares of common stock in calculating non-GAAP loss per share | (37,233 | ) | — | |||||
Adjustment for common stock issued in connection with the merger ( 7 ) | — | 127,499 | ||||||
Non-GAAP weighted-average shares used to compute net loss per share, basic and diluted | 275,199 | 167,131 |
(1) Consists primarily of non-cash share-based compensation related to the Company's stock incentive plans and earn-out arrangement.