Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

v3.19.1
Stockholders' Equity (Tables)
3 Months Ended
Mar. 31, 2019
Equity [Abstract]  
Schedule of Stock Option Plan Activity
The following is a summary of our stock option and restricted stock activity and related information:
Stock Options Restricted Stock Awards
Shares Weighted-Average Exercise Price Shares Weighted-Average Grant Date Fair Value
Balance as of December 31, 2018 1,736,304  $ 66.71  132,273  $ 130.63 
Granted 283,387  118.04  60,857  115.83 
Options exercised/RSUs vested (92,036) 21.26  (66,078) 106.42 
Balance as of March 31, 2019 1,927,655  $ 76.43  127,052  $ 136.13 
Schedule of Restricted Stock Activity
The following is a summary of our stock option and restricted stock activity and related information:
Stock Options Restricted Stock Awards
Shares Weighted-Average Exercise Price Shares Weighted-Average Grant Date Fair Value
Balance as of December 31, 2018 1,736,304  $ 66.71  132,273  $ 130.63 
Granted 283,387  118.04  60,857  115.83 
Options exercised/RSUs vested (92,036) 21.26  (66,078) 106.42 
Balance as of March 31, 2019 1,927,655  $ 76.43  127,052  $ 136.13