Quarterly report pursuant to Section 13 or 15(d)

Equity Incentive Plans (Tables)

v3.22.1
Equity Incentive Plans (Tables)
 3 Months Ended
Mar. 31, 2022
Share-based Payment Arrangement [Abstract]  
Share-based Payment Arrangement, Option, Activity
Stock option activity under the 2017 Plan in the three months ended March 31, 2022 is as follows:
Options outstanding
Number of
shares		 Weighted
average
exercise price		 Weighted average remaining contractual term (in years) Aggregate intrinsic value
Balance, December 31, 2021
 79,644,550  $ 1.44 
Granted
 —  — 
Exercised
 (4,276,993) 0.47 
Forfeited
 (1,118,640) 1.38 
Balance, March 31, 2022
 74,248,917  $ 1.50  6.9 304,001 
Exercisable, March 31, 2022
 51,375,499  $ 1.09  6.4 231,322 
Share-based Payment Arrangement, Restricted Stock Unit, Activity
RSU activity under the Plan and the 2017 Plan is as follows:
Unvested RSUs outstanding
Number of
shares		 Weighted-
average grant
date fair value		 Aggregate Intrinsic value
Balance, December 31, 2021
 34,054,713  $ 4.72 
Granted
 33,855,177  4.10 
Forfeited
 (1,473,442) 4.27 
Balance, March 31, 2022
 66,436,448  $ 4.41  $ 371,380 
Share-based Payment Arrangement, Cost by Plan
Total stock-based compensation expense by function was as follows (in thousands):
Three Months Ended
March 31,
2022 2021
Research and development
 $ 26,227  $ 34,815 
Selling, general, and administrative
 3,020  2,080 
Total
 $ 29,247  $ 36,895