| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Director | $86.24 | 3,000 | $258,708.90 | 58,550 | 2015-04-01 | Filing |
| Officer | $88.30 | 6,000 | $529,810.20 | 32,158 | 2015-03-13 | Filing |
| Officer | $91.11 | 13,136 | $1,196,778.92 | 49,490 | 2015-03-06 | Filing |
| Officer | $90.00 | 10,034 | $903,060.00 | 9,852 | 2015-03-02 | Filing |
| Officer | $92.00 | 1,485 | $136,620.00 | 14,208 | 2015-02-25 | Filing |
| Officer | $87.53 | 8,100 | $708,965.46 | 47,049 | 2015-02-18 | Filing |
| Officer | $86.34 | 2,018 | $174,230.08 | 0 | 2015-02-12 | Filing |
| Large Shareholder | $86.19 | 70,673 | $6,091,164.52 | 116,565,399 | 2015-02-12 | Filing |
| Large Shareholder | $84.39 | 70,664 | $5,963,207.76 | 116,636,072 | 2015-02-11 | Filing |
| Officer | $85.11 | 29,380 | $2,500,531.80 | 25,750 | 2015-02-10 | Filing |
| Large Shareholder | $84.32 | 70,664 | $5,958,155.29 | 116,706,736 | 2015-02-10 | Filing |
| Large Shareholder | $84.09 | 70,664 | $5,942,340.69 | 116,777,400 | 2015-02-09 | Filing |
| Large Shareholder | $85.00 | 70,664 | $6,006,235.07 | 116,848,064 | 2015-02-06 | Filing |
| Large Shareholder | $84.60 | 70,664 | $5,978,400.52 | 116,918,728 | 2015-02-05 | Filing |
| Large Shareholder | $84.26 | 70,664 | $5,954,120.37 | 116,989,392 | 2015-02-04 | Filing |
| Large Shareholder | $82.90 | 70,664 | $5,857,755.88 | 117,060,056 | 2015-02-03 | Filing |
| Large Shareholder | $81.98 | 70,664 | $5,792,780.33 | 117,130,720 | 2015-02-02 | Filing |
| Large Shareholder | $82.84 | 70,664 | $5,853,544.30 | 117,201,384 | 2015-01-30 | Filing |
| Large Shareholder | $80.51 | 70,664 | $5,689,427.16 | 117,272,048 | 2015-01-29 | Filing |
| Large Shareholder | $82.25 | 70,664 | $5,812,071.60 | 117,342,712 | 2015-01-28 | Filing |