Annual report pursuant to Section 13 and 15(d)

Stock-Based Incentive Plans (Tables)

v3.22.0.1
Stock-Based Incentive Plans (Tables)
 12 Months Ended
Dec. 31, 2021
Share-based Payment Arrangement [Abstract]  
Summary of Stock Option Activity
A summary of the stock option activity is as follows:
Options Weighted
Average
Exercise
Price		 Weighted
Average
Remaining
Contractual
Life (Years)		 Aggregate
Intrinsic
Value (in thousands)
Outstanding at December 31, 2019 3,420,181  $ 12.69  5.70 $ 26,074 
Granted 663,098  $ 9.29 
Forfeited (107,541) $ 19.71 
Exercised (459,254) $ 5.36 
Outstanding at December 31, 2020 3,516,484  $ 12.79  5.93 $ 25,718 
Granted 656,398  $ 20.00 
Forfeited (194,301) $ 17.02 
Exercised (783,843) $ 5.89 
Outstanding at December 31, 2021 3,194,738  $ 15.65  6.45 $ 2,236 
Exercisable at December 31, 2021 1,865,381  $ 15.08  4.95 $ 1,932 
Schedule of Weighted-Average Assumptions for Options Granted
The following weighted-average assumptions were used for stock options granted during the years ended December 31:

Year Ended December 31,
2021 2020 2019
Expected term (in years) 5.88 5.88 5.76
Expected volatility 58.38  % 58.46  % 54.97  %
Risk free rate 1.02  % 0.49  % 1.71  %
Expected dividends —  % —  % —  %
Summary of Stock Unit Activity
A summary of the status of non-vested RSUs and PSUs as of December 31, 2021 and 2020 and the changes during the years then ended are as follows:
Outstanding Restricted and Performance Stock Units
Stock Units Weighted
Average Fair Value at Date of Grant per Share		 Weighted Average Remaining Vesting Life (Years)
Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2019 1,113,697  $ 21.62  2.26 $ 19,800 
Granted 1,008,869  $ 9.57 
Released (247,333) $ 19.66 
Forfeited (92,328) $ 18.64 
Outstanding at December 31, 2020 1,782,905  $ 15.23  1.83 $ 31,825 
Granted 898,264  $ 20.35 
Released (253,881) $ 17.50 
Forfeited (696,513) $ 13.00 
Outstanding at December 31, 2021 1,730,775  $ 18.45  1.51 $ 19,633