Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $26.74 | 1,994 | Director | 14,248 | 2015-09-03 | Filing |
| $35.09 | 624 | Director | 9,568 | 2015-01-22 | Filing |
| $44.73 | 5,000 | Director | 29,994 | 2014-09-04 | Filing |
| $51.29 | 623 | Director | 1,014,492 | 2014-04-24 | Filing |
| $50.02 | 24,377 | Director | 1,015,115 | 2014-04-24 | Filing |
| $61.44 | 7,937 | Director | 1,073,359 | 2014-02-20 | Filing |
| $61.11 | 24,563 | Director | 1,081,296 | 2014-02-20 | Filing |
| $63.76 | 32,500 | Director | 1,110,559 | 2014-01-23 | Filing |
| $54.95 | 25,000 | Director | 1,143,059 | 2013-11-21 | Filing |
| $61.67 | 6,667 | Officer | 44,662 | 2013-10-24 | Filing |
| $61.67 | 40,000 | Officer, Director | 330,804 | 2013-10-24 | Filing |
| $61.67 | 32,500 | Director | 1,168,683 | 2013-10-24 | Filing |
| $62.87 | 5,000 | Director | 21,750 | 2013-06-07 | Filing |
| $61.25 | 5,000 | Director | 28,000 | 2013-05-28 | Filing |
| $61.90 | 2,500 | Officer | 46,261 | 2013-05-22 | Filing |
| $61.90 | 25,000 | Officer | 48,761 | 2013-05-22 | Filing |
| $57.90 | 40,000 | Officer, Director | 312,066 | 2013-05-03 | Filing |
| $56.89 | 58,000 | Officer | 48,761 | 2013-04-25 | Filing |
| $56.95 | 20,000 | Officer | 35,400 | 2013-04-25 | Filing |
| $56.85 | 94,477 | Officer | 55,400 | 2013-04-25 | Filing |