(In thousands, except per share amounts)
(unaudited)
| Three Months Ended December 31, | Year Ended December 31, | ||||||||||||||
| 2022 | 2021 | 2022 | 2021 | ||||||||||||
| GAAP net loss | $ | (60,350 | ) | $ | (160,990 | ) | $ | (111,339 | ) | $ | (338,060 | ) | |||
| Stock-based compensation expense(1) | 33,140 | 68,847 | 152,788 | 100,844 | |||||||||||
| Acquisition-related costs(2) | — | 887 | 1,294 | 887 | |||||||||||
| Amortization expense of acquired intangible assets | 443 | — | 1,411 | — | |||||||||||
| Change in fair value of warrants liabilities(3) | (888 | ) | 24,194 | (27,035 | ) | 48,370 | |||||||||
| Transaction costs(4) | — | — | — | 565 | |||||||||||
| Change in fair value of contingent earn-out liability (5) | — | 41,976 | (136,043 | ) | 140,454 | ||||||||||
| Investment impairment | 1,093 | — | 1,093 | — | |||||||||||
| Payroll tax related to contingent earn-out share issuance (6) | — | — | 1,164 | — | |||||||||||
| Non-GAAP net loss | $ | (26,562 | ) | $ | (25,086 | ) | $ | (116,667 | ) | $ | (46,940 | ) | |||
| GAAP net loss per share attributable to common stockholders, basic and diluted | $ | (0.21 | ) | $ | (0.66 | ) | $ | (0.39 | ) | $ | (2.58 | ) | |||
| Non-GAAP net loss per share attributable to common stockholders, basic and diluted | $ | (0.09 | ) | $ | (0.10 | ) | $ | (0.41 | ) | $ | (0.23 | ) | |||
| GAAP weighted-average shares used to compute net loss per share, basic and diluted | 289,164 | 244,678 | 283,585 | 131,278 | |||||||||||
| Weighted-average effect of potentially dilutive securities (7) | — | — | — | 70,561 | |||||||||||
| Non-GAAP weighted-average shares used to compute net loss per share, basic and diluted | 289,164 | 244,678 | 283,585 | 201,839 | |||||||||||
