Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Restricted Common Stock Awards and Restricted Stock Units Activity (Details)

v3.22.1
Stock-Based Compensation - Restricted Common Stock Awards and Restricted Stock Units Activity (Details)
3 Months Ended
Mar. 31, 2022
$ / shares
shares
Restricted Common Stock Awards  
Number of Shares of Restricted Common Stock Awards  
Unvested beginning balance (in shares) | shares 5,479,451
Vested (in shares) | shares (208,682)
Unvested ending balance (in shares) | shares 5,270,769
Average Grant-Date Fair Value  
Unvested beginning balance (in dollars per share) | $ / shares $ 1.80
Vested (in dollars per share) | $ / shares 2.66
Unvested ending balance (in dollars per share) | $ / shares $ 1.84
Restricted Stock Units (RSUs)  
Number of Shares of Restricted Common Stock Awards  
Unvested beginning balance (in shares) | shares 2,395,789
Granted (in shares) | shares 7,321,188
Forfeited (in shares) | shares (49,697)
Vested (in shares) | shares (123,884)
Unvested ending balance (in shares) | shares 9,543,396
Average Grant-Date Fair Value  
Unvested beginning balance (in dollars per share) | $ / shares $ 9.73
Granted (in dollars per share) | $ / shares 5.67
Forfeited (in dollars per share) | $ / shares (9.97)
Vested (in dollars per share) | $ / shares 9.83
Unvested ending balance (in dollars per share) | $ / shares $ 6.61