Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $2.31 | 10,000 | Director | 374,254 | 2018-04-27 | Filing |
| $3.53 | 275 | Other | 8,764,725 | 2018-04-10 | Filing |
| $3.53 | 275 | | 8,764,725 | 2018-04-10 | Filing |
| $3.20 | 4,330 | | 8,765,415 | 2018-03-29 | Filing |
| $3.12 | 450 | | 8,761,440 | 2018-03-02 | Filing |
| $3.10 | 4,200 | | 8,760,990 | 2018-03-01 | Filing |
| $3.24 | 4,000 | | 8,756,790 | 2018-02-15 | Filing |
| $3.09 | 32,900 | | 8,753,290 | 2018-02-12 | Filing |
| $13.24 | 2,000 | Director | 14,961 | 2015-04-17 | Filing |
| $15.19 | 20 | Officer | 142,999 | 2014-08-07 | Filing |
| $18.15 | 17 | Officer | 142,979 | 2014-05-08 | Filing |
| $18.61 | 16 | Officer | 142,962 | 2014-02-06 | Filing |
| $20.95 | 12 | Officer | 142,946 | 2013-11-07 | Filing |
| $23.15 | 11 | Officer | 142,934 | 2013-08-08 | Filing |
| $23.95 | 11 | Officer | 142,923 | 2013-05-09 | Filing |
| $21.89 | 11 | Officer | 142,913 | 2013-01-31 | Filing |
| $20.69 | 10 | Officer | 142,901 | 2012-11-01 | Filing |
| $16.49 | 12 | Officer | 142,891 | 2012-08-02 | Filing |
| $17.31 | 12 | Officer | 142,879 | 2012-05-03 | Filing |
| $15.56 | 2,600 | Director | 10,909 | 2014-07-17 | Filing |