Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $4.45 | 1,057,269 | Large Shareholder | 15,609,398 | 2018-05-01 | Filing |
| $3.84 | 86,796 | Officer | 331,607 | 2017-11-09 | Filing |
| $2.24 | 12,669 | Officer | 48,483 | 2017-06-02 | Filing |
| $1.29 | 29,921 | Director | 123,535 | 2016-11-30 | Filing |
| $13.47 | 43,227 | Large Shareholder, Director | 8,518,051 | 2014-12-08 | Filing |
| $14.13 | 93,490 | Large Shareholder, Director | 8,561,278 | 2014-12-05 | Filing |
| $14.14 | 35,567 | Large Shareholder, Director | 8,654,768 | 2014-12-04 | Filing |
| $15.50 | 230 | Officer | 0 | 2014-08-07 | Filing |
| $15.93 | 10,086 | Officer | 26,110 | 2014-03-05 | Filing |
| $16.75 | 6,000 | Officer | 55,491 | 2014-03-06 | Filing |
| $15.83 | 186,366 | Large Shareholder, Director | 8,690,335 | 2013-11-13 | Filing |
| $16.03 | 245,521 | Large Shareholder, Director | 8,876,701 | 2013-11-12 | Filing |
| $16.28 | 382,346 | Large Shareholder, Director | 9,122,222 | 2013-11-11 | Filing |
| $16.17 | 185,767 | Large Shareholder, Director | 9,504,568 | 2013-11-08 | Filing |
| $23.76 | 7,800 | Large Shareholder, Director | 9,690,335 | 2012-09-18 | Filing |
| $23.91 | 48,250 | Large Shareholder, Director | 9,698,135 | 2012-09-17 | Filing |
| $23.76 | 7,800 | Large Shareholder, Officer, Director | 10,589,949 | 2012-09-18 | Filing |
| $23.91 | 48,251 | Large Shareholder, Officer, Director | 10,597,749 | 2012-09-17 | Filing |
| $22.86 | 75,000 | Large Shareholder, Director | 9,746,385 | 2012-09-06 | Filing |
| $22.41 | 125,000 | Large Shareholder, Director | 9,821,385 | 2012-09-05 | Filing |