Exercise | | | Number | | | Expiration | | |
Price | | | Outstanding | | | Date | | |
$ | 4.25 | | | 2,312,130 | | | August 2018 | |
$ | 12.00 | | | 456,009 | | | December 2017 to February 2018 | |
$ | 20.00 | | | 15,288 | | | January 2014 to January 2015 | |
$ | 25.00 | | | 354,229 | | | January 2017 to February 2019 | |
| | | | 3,137,656 | | | | |