| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Officer | $38.00 | 5,000 | $190,000.00 | 41,597 | 2011-08-29 | Filing |
| Large Shareholder, Director | $43.58 | 80,000 | $3,486,696.00 | 7,277,225 | 2015-09-15 | Filing |
| Large Shareholder, Director | $44.33 | 4,000 | $177,338.00 | 4,400,195 | 2015-09-01 | Filing |
| Large Shareholder, Director | $43.77 | 62,000 | $2,713,535.40 | 4,404,195 | 2015-09-01 | Filing |
| Large Shareholder, Director | $48.51 | 80,000 | $3,881,096.00 | 7,357,225 | 2015-08-17 | Filing |
| Officer | $51.55 | 13,127 | $676,719.17 | 0 | 2015-08-14 | Filing |
| Large Shareholder, Director | $49.46 | 66,000 | $3,264,445.80 | 4,466,195 | 2015-08-03 | Filing |
| Large Shareholder, Director | $47.96 | 80,000 | $3,837,104.00 | 7,437,225 | 2015-07-15 | Filing |
| Large Shareholder, Director | $51.09 | 66,000 | $3,371,926.80 | 4,532,195 | 2015-07-01 | Filing |
| Officer | $53.34 | 10,000 | $533,430.00 | 45,642 | 2015-06-23 | Filing |
| Officer | $57.28 | 10,000 | $572,845.00 | 8,547 | 2015-06-23 | Filing |
| Officer | $53.09 | 5,000 | $265,451.00 | 67,406 | 2015-06-22 | Filing |
| Officer | $57.06 | 5,000 | $285,280.00 | 17,465 | 2015-06-22 | Filing |
| Officer | $57.00 | 10,000 | $570,000.00 | 71,133 | 2015-06-18 | Filing |
| Large Shareholder, Director | $52.22 | 80,000 | $4,177,440.00 | 7,517,225 | 2015-06-15 | Filing |
| Director | $55.44 | 10,000 | $554,403.00 | 16,364 | 2015-06-08 | Filing |
| Officer | $55.95 | 10,000 | $559,458.00 | 81,133 | 2015-06-03 | Filing |
| Large Shareholder, Director | $53.79 | 66,000 | $3,550,027.80 | 4,598,195 | 2015-06-01 | Filing |
| Officer | $53.50 | 15,421 | $825,023.50 | 0 | 2015-06-02 | Filing |
| Officer | $57.00 | 5,140 | $292,980.00 | 0 | 2015-06-02 | Filing |