Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation (Tables)

v3.21.1
Stock Based Compensation (Tables)
3 Months Ended
Mar. 31, 2021
Equity [Abstract]  
Summary of Stock Option Activity
A summary of the stock option activity under the Company’s plans for the three months ended March 31, 2021 is as follows:
 
Number of
Shares
Weighted Average Exercise Price
Options outstanding at December 31, 2020 3,785,941  $ 15.21 
Options granted 251,771  $ 53.16 
Less:
Options exercised 260,167  $ 8.60 
Options forfeited 54,296  $ 19.53 
Options outstanding at March 31, 2021 3,723,249  $ 18.17 
Exercisable at March 31, 2021 2,141,203  $ 11.20 
Summary of Fair Value of Each Stock Option Award Granted
The fair value of each stock option award granted during the three months ended March 31, 2021 was estimated as of the grant date using a Black-Scholes model with the following weighted average assumptions:
  Three Months Ended
March 31, 2021
Expected term (in years)
4.0 - 5.5
Risk-free interest rate (%) 0.6%
Expected volatility (%)
38.7% - 46.6%
Dividend yield (%)
Weighted average fair value/share at grant date $19.42
Summary of Restricted Stock Activity
A summary of the restricted stock activity under the Company’s plans for the three months ended March 31, 2021 is as follows:
Number of Restricted
Shares
Weighted Average Grant Date Fair Value
Nonvested at December 31, 2020 291,891  $ 23.82 
Granted 100,847  $ 53.17 
Vested (55,282) $ 22.91 
Forfeited (5,474) $ 24.14 
Nonvested at March 31, 2021 331,982  $ 32.89