| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Director | $59.98 | 3,318 | $199,005.01 | 230,251 | 2017-11-08 | Filing |
| Director | $23.27 | 4,300 | $100,049.39 | 15,783 | 2016-03-14 | Filing |
| Large Shareholder, Director, Other | $24.91 | 10,123 | $252,148.75 | 3,540,882 | 2015-11-25 | Filing |
| Large Shareholder, Director, Other | $24.36 | 9,877 | $240,650.14 | 3,530,759 | 2015-11-25 | Filing |
| Large Shareholder, Officer, Director | $24.91 | 10,123 | $252,148.75 | 3,540,882 | 2015-11-25 | Filing |
| Large Shareholder, Officer, Director | $24.36 | 9,877 | $240,650.14 | 3,530,759 | 2015-11-25 | Filing |
| Large Shareholder, Director, Other | $22.36 | 880 | $19,679.44 | 3,520,882 | 2015-10-30 | Filing |
| Large Shareholder, Director, Other | $21.67 | 49,120 | $1,064,233.92 | 3,520,002 | 2015-10-30 | Filing |
| Large Shareholder, Officer, Director | $22.36 | 880 | $19,679.44 | 3,520,882 | 2015-10-30 | Filing |
| Large Shareholder, Officer, Director | $21.67 | 49,120 | $1,064,233.92 | 3,520,002 | 2015-10-30 | Filing |
| Director | $27.83 | 5,370 | $149,433.14 | 11,483 | 2015-09-10 | Filing |
| Director | $11.00 | 10,000 | $110,000.00 | 10,000 | 2014-02-19 | Filing |