| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Director | $18.39 | 20,182 | $371,096.53 | 100,491 | 2016-03-07 | Filing |
| Officer | $18.29 | 3,750 | $68,580.38 | 35,154 | 2016-03-02 | Filing |
| Officer | $37.50 | 88 | $3,300.00 | 9,904 | 2014-11-25 | Filing |
| Director | $36.76 | 10,595 | $389,419.23 | 16,290 | 2014-11-12 | Filing |
| Director | $36.77 | 19,405 | $713,483.04 | 26,885 | 2014-11-11 | Filing |
| Officer | $35.79 | 25,168 | $900,717.42 | 11,641 | 2014-07-24 | Filing |
| Large Shareholder, Director | $29.49 | 6,189 | $182,524.13 | 453,235 | 2014-06-10 | Filing |
| Large Shareholder, Director | $33.12 | 21,555 | $714,002.91 | 3,877 | 2014-06-10 | Filing |
| Large Shareholder, Director | $29.94 | 4,386 | $131,318.59 | 459,424 | 2014-06-09 | Filing |
| Large Shareholder, Director | $33.36 | 71,041 | $2,369,941.97 | 3,877 | 2014-06-09 | Filing |
| Large Shareholder, Director | $29.78 | 7,500 | $223,380.00 | 463,810 | 2014-06-06 | Filing |
| Large Shareholder, Director | $33.19 | 78,000 | $2,588,866.80 | 3,877 | 2014-06-06 | Filing |
| Large Shareholder, Director | $29.55 | 5,900 | $174,363.88 | 471,310 | 2014-06-05 | Filing |
| Large Shareholder, Director | $32.94 | 26,904 | $886,204.31 | 3,877 | 2014-06-05 | Filing |
| Large Shareholder, Director | $32.72 | 3,636 | $118,966.65 | 3,877 | 2014-06-05 | Filing |
| Large Shareholder, Director | $32.85 | 29,787 | $978,550.61 | 7,513 | 2014-06-05 | Filing |
| Officer | $32.02 | 4,000 | $128,060.00 | 11,641 | 2014-05-06 | Filing |
| Officer | $32.07 | 31,558 | $1,012,008.26 | 25,240 | 2014-04-30 | Filing |
| Officer | $32.29 | 56,582 | $1,827,276.08 | 25,240 | 2014-04-29 | Filing |
| Officer | $32.23 | 25,989 | $837,612.48 | 9,992 | 2014-04-28 | Filing |