Annual report pursuant to Section 13 and 15(d)

Equity Incentive Plans (Tables)

v3.22.0.1
Equity Incentive Plans (Tables)
 12 Months Ended
Dec. 31, 2021
Share-based Payment Arrangement [Abstract]  
Share-based Payment Arrangement, Option, Activity
Stock option activity under the 2017 Plan is as follows:

Options outstanding
Number
of shares
Weighted
average
exercise 
price
 Weighted average remaining contractual term (in years)
Aggregate Intrinsic value(1)
Balance, December 31, 2019
 69,990,959  $ 0.80 
Granted
 13,940,467  1.44 
Exercised
 (3,263,193) 0.89 
Forfeited
 (5,584,769) 1.20 
Balance, December 31, 2020
 75,083,464  $ 0.88 
Granted
 19,480,375  3.67 
Exercised
 (8,210,529) 0.95 
Forfeited
 (6,708,760) 2.28 
Balance, December 31, 2021
 79,644,550  $ 1.44 
Exercisable at December 31, 2021 50,613,778  $ 0.95  6.93 $ 521,957 
(1) Calculated as the closing stock price on December 31, 2021 of $11.26 less the option exercise price.multiplied by the number of options.
Share-based Payment Arrangement, Restricted Stock Unit, Activity
RSU activity under the Plan is as follows:

Unvested RSUs outstanding
Number
of shares
Weighted
average
grant date fair value
Balance, December 31, 2020
 —  $ — 
Granted
 44,635,346  4.56 
Vested
 (917,959) 4.98 
Forfeited
 (9,662,674) 3.93 
Balance, December 31, 2021
 34,054,713  $ 4.72 
Share-based Payment Arrangement, Cost by Plan
Total stock-based compensation expense by function was as follows (in thousands):
Twelve months ended December 31,
2021 2020
Research and Development
 $ 206,879  $ 14,082 
General and Administrative
 13,179  2,798 
Total
 $ 220,058  $ 16,880