| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Director | $37.64 | 409 | $15,395.17 | 2,621 | 2015-08-18 | Filing |
| Director | $38.42 | 262 | $10,066.30 | 1,420 | 2015-08-18 | Filing |
| Large Shareholder, Officer, Director | $37.59 | 104,000 | $3,909,256.00 | 17,636,220 | 2015-08-03 | Filing |
| Large Shareholder, Officer, Director | $36.04 | 104,000 | $3,748,409.60 | 17,740,220 | 2015-07-01 | Filing |
| Large Shareholder, Officer, Director | $37.99 | 104,000 | $3,951,448.80 | 17,844,220 | 2015-06-01 | Filing |
| Director | $38.14 | 1,297 | $49,461.35 | 124,863 | 2015-05-28 | Filing |
| Director | $38.24 | 640 | $24,476.74 | 23,185 | 2015-05-28 | Filing |
| Director | $37.65 | 669 | $25,188.52 | 3,165 | 2015-05-14 | Filing |
| Large Shareholder, Officer, Director | $38.19 | 104,000 | $3,971,853.60 | 17,948,220 | 2015-05-01 | Filing |
| Large Shareholder, Officer, Director | $38.25 | 104,000 | $3,978,457.60 | 18,052,220 | 2015-04-01 | Filing |
| Officer | $39.32 | 9,628 | $378,612.43 | 168,620 | 2015-03-12 | Filing |
| Officer | $39.39 | 6,307 | $248,448.50 | 90,317 | 2015-03-12 | Filing |
| Officer | $39.51 | 9,710 | $383,684.82 | 168,538 | 2015-03-09 | Filing |
| Officer | $39.43 | 12,058 | $475,409.56 | 133,248 | 2015-03-03 | Filing |
| Officer | $39.70 | 9,842 | $390,757.91 | 81,205 | 2015-03-03 | Filing |
| Large Shareholder, Officer, Director | $38.84 | 104,000 | $4,039,224.80 | 18,156,220 | 2015-03-02 | Filing |
| Large Shareholder, Officer, Director | $34.21 | 104,000 | $3,558,131.20 | 18,260,220 | 2015-02-02 | Filing |
| Large Shareholder, Officer, Director | $34.18 | 38,900 | $1,329,660.35 | 18,364,220 | 2015-01-05 | Filing |
| Large Shareholder, Officer, Director | $34.45 | 64,300 | $2,214,839.22 | 18,403,120 | 2015-01-02 | Filing |
| Large Shareholder, Officer, Director | $35.13 | 800 | $28,104.00 | 18,467,420 | 2015-01-02 | Filing |