Annual report pursuant to Section 13 and 15(d)

Equity Incentive Plans - Stock Option Activity (Details)

v3.22.0.1
Equity Incentive Plans - Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Number of shares    
Beginning balance (in shares) 76,067,205  
Ending balance (in shares) 81,405,867 76,067,205
Exercisable at December 31, 2021    
Share price $ 11.26  
2017 Equity Incentive Plan    
Number of shares    
Beginning balance (in shares) 75,083,464 69,990,959
Granted (in shares) 19,480,375 13,940,467
Exercised (in shares) (8,210,529) (3,263,193)
Forfeited (in shares) (6,708,760) (5,584,769)
Ending balance (in shares) 79,644,550 75,083,464
Weighted average exercise  price    
Beginning balance (in usd per share) $ 0.88 $ 0.80
Granted (in usd per share) 3.67 1.44
Exercised (in usd per share) 0.95 0.89
Forfeited (in usd per share) 2.28 1.20
Ending balance (in usd per share) $ 1.44 $ 0.88
Exercisable at December 31, 2021    
Number of shares (in shares) 50,613,778  
Weighted average exercise price (in usd per share) $ 0.95  
Weighted average remaining contractual term (in years) 6 years 11 months 4 days  
Aggregate intrinsic value $ 521,957