Annual report pursuant to Section 13 and 15(d)

Stock-based Compensation (Tables)

v3.22.0.1
Stock-based Compensation (Tables)
12 Months Ended
Dec. 31, 2021
Share-based Payment Arrangement [Abstract]  
Summary of activity for the Company's restricted shares
Restricted Stock Units Shares Weighted-
Average
Grant-Date
Fair Value
Unvested at December 31, 2020 5,393  $ 6.70 
Granted 13,641  9.80 
Vested (3,684) 12.92 
Forfeited (1,533) 7.68 
Unvested at December 31, 2021 13,817  $ 7.99 
Summary of activity for performance-based restricted stock units
The activity for performance-based restricted stock units in the year ended December 31, 2021 was as follows (in thousands, except weighted-average grant-date fair value amounts):

Performance-Based Restricted Stock Units Shares Weighted- Average Grant-Date Fair Value
Unvested at Unvested at December 31, 2020 1,004  $ 15.58 
Granted 10,034  4.03 
Vested —  — 
Forfeited —  — 
Unvested at Unvested at December 31, 2021 11,038  $ 5.08 
Summary of Stock-Based Compensation Expense by Consolidated Statements of Operations Line Item
The following table summarizes the Company’s total stock-based compensation expense by line item for the years ended presented in the consolidated statements of operations (in thousands):

Year ended December 31,
2021 2020
Research and development $ 25,768  $ 59,410 
Selling, general and administrative 82,592  24,870 
Total
$ 108,360  $ 84,280