Quarterly report pursuant to Section 13 or 15(d)

Equity Incentive Plans (Tables)

v3.23.3
Equity Incentive Plans (Tables)
 9 Months Ended
Sep. 30, 2023
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock-based Compensation Expense
Total stock-based compensation expense by function was as follows (in millions):
Three Months Ended
September 30,		 Nine Months Ended
September 30,
2023 2022 2023 2022
Research and development
 $ 36  $ 31  $ 107  $ 99 
Selling, general, and administrative
 5  5  16  13 
Total
 $ 41  $ 36  $ 123  $ 112 
Schedule of Restricted Stock Unit Activity
RSU activity under the Plan and the 2017 Plan was as follows (in millions, except per share amounts):
Number of
shares		 Weighted-
average grant
date fair value
Unvested at December 31, 2022
 103  $ 3.70 
Granted
 58  1.72 
Vested (38) 3.36 
Forfeited
 (13) 3.26 
Unvested at September 30, 2023
 110  $ 2.83 
Schedule of Stock Option Activity Granted
Stock options granted under the Plan and the 2017 Plan during the nine months ended September 30, 2023 were as follows:
Nine Months Ended
September 30, 2023
Stock options granted (in millions) 56 
Weighted average grant date fair value $ 0.96 
Weighted average grant date fair value assumptions:
Expected term
 5.8 years
Risk-free interest rates
 4.3  %
Expected volatility 55.0  %
Schedule of Stock Option Activity
Stock option activity under the Plan and the 2017 Plan was as follows (in millions, except per share amounts):
Number of
shares		 Weighted
average
exercise price		 Weighted average remaining contractual term (in years) Aggregate intrinsic value
Outstanding at December 31, 2022
 63  $ 1.76 
Granted 56  1.73 
Exercised
 (8) 0.82 
Forfeited
 (5) 2.05 
Expired
 (2) 3.10 
Outstanding at September 30, 2023
 104  $ 1.77  7.8 $ 83 
Exercisable at September 30, 2023
 52  $ 1.65  6.3 $ 48