Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $10.58 | 5,000 | Director | 5,000 | 2007-04-02 | Filing |
| $12.62 | 2,945,113 | Large Shareholder, Officer, Director | 2,945,113 | 2018-04-19 | Filing |
| $9.33 | 2,962 | Officer | 5,977 | 2017-11-15 | Filing |
| $24.60 | 25,000 | Large Shareholder, Director | 25,000 | 2016-11-07 | Filing |
| $25.30 | 75,000 | Large Shareholder, Director | 75,000 | 2016-11-07 | Filing |
| $25.40 | 25,000 | Large Shareholder, Director | 25,000 | 2016-11-07 | Filing |
| $25.80 | 50,000 | Large Shareholder, Director | 50,000 | 2016-10-28 | Filing |
| $43.33 | 17,583 | Large Shareholder, Director | 9,871,286 | 2014-08-21 | Filing |
| $43.33 | 82,417 | Large Shareholder, Director | 9,853,703 | 2014-08-20 | Filing |
| $30.25 | 500,000 | Large Shareholder | 10,029,637 | 2013-12-18 | Filing |
| $28.99 | 300,000 | Large Shareholder, Director | 9,771,286 | 2013-12-18 | Filing |
| $32.48 | 200,000 | Large Shareholder, Director | 9,471,286 | 2013-12-12 | Filing |
| $31.41 | 209,772 | Large Shareholder | 9,529,637 | 2013-12-12 | Filing |
| $24.60 | 2,000 | Director | 2,000 | 2013-06-10 | Filing |
| $25.00 | 1,000,000 | Large Shareholder, Director | 1,000,000 | 2013-06-03 | Filing |
| $25.00 | 600 | Officer | 600 | 2013-06-03 | Filing |
| $25.00 | 1,000 | Officer | 1,000 | 2013-06-03 | Filing |
| $23.80 | 1,000 | Director | 43,000 | 2011-12-22 | Filing |
| $17.38 | 2,500 | Director | 2,500 | 2010-12-10 | Filing |
| $13.93 | 5,000 | Director | 42,000 | 2010-08-06 | Filing |