Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

v3.19.2
Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 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 311,884  $ 117.63  98,404  $ 114.15 
Options exercised/RSUs vested (104,249) $ 23.16  (69,529) $ 110.87 
Balance as of June 30, 2019 1,943,939  $ 77.17  161,148  $ 129.10 
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 311,884  $ 117.63  98,404  $ 114.15 
Options exercised/RSUs vested (104,249) $ 23.16  (69,529) $ 110.87 
Balance as of June 30, 2019 1,943,939  $ 77.17  161,148  $ 129.10