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Common stock (Tables) | 12 Months Ended
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Dec. 31, 2021
Equity [Abstract] |
Schedule of Common Stock Reserved for Future Issuance | The Company had the following common stock reserved for future issuance as of December 31, 2021 and December 31, 2020:
| December 31, |  | December 31,
| 2021 |  | 2020
Conversion of redeemable convertible preferred stock | — |  |  | 85,391,338 |
Warrants for redeemable convertible preferred stock | — |  |  | 12,595 |
Stock options outstanding to purchase common stock (1) | 20,342,259 |  |  | 18,932,979 |
Stock available for future issuance: |  |  |
2010 Equity Incentive Plan | — |  |  | 3,917,161 |
2021 Equity Incentive Plan | 11,417,359 |  |  | — |
2021 Employee Stock Purchase Plan | 2,800,000 |  |  | — |
Total shares of common stock reserved | 34,559,618 |  |  | 108,254,073 |
(1) Excludes 106,155 and 95,475 cash-settled stock appreciation rights (“SARs”) outstanding as of December 31, 2021 and December 31, 2020, respectively.

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