| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Large Shareholder, Officer, Director | $39.47 | 4,220 | $166,563.40 | 1,209,165 | 2017-11-17 | Filing |
| Large Shareholder, Officer, Director | $39.45 | 1,605 | $63,317.25 | 1,204,945 | 2017-11-16 | Filing |
| Large Shareholder, Officer, Director | $38.98 | 500 | $19,490.00 | 1,203,340 | 2017-11-09 | Filing |
| Large Shareholder, Officer, Director | $38.91 | 14,606 | $568,319.46 | 1,202,840 | 2017-11-08 | Filing |
| Large Shareholder, Officer, Director | $38.95 | 44,319 | $1,726,225.05 | 1,188,234 | 2017-11-07 | Filing |
| Large Shareholder, Officer, Director | $38.62 | 26,230 | $1,013,002.60 | 1,143,915 | 2017-11-06 | Filing |
| Large Shareholder, Officer, Director | $40.79 | 1,010 | $41,197.90 | 1,117,685 | 2017-09-11 | Filing |
| Large Shareholder, Officer, Director | $40.75 | 25,281 | $1,030,200.75 | 1,116,675 | 2017-09-08 | Filing |
| Large Shareholder, Officer, Director | $40.83 | 21,553 | $880,008.99 | 1,091,394 | 2017-09-07 | Filing |
| Large Shareholder, Officer, Director | $40.65 | 5,612 | $228,127.80 | 1,069,841 | 2017-09-01 | Filing |
| Large Shareholder, Officer, Director | $40.54 | 3,955 | $160,335.70 | 1,064,229 | 2017-08-31 | Filing |
| Large Shareholder, Officer, Director | $40.21 | 10,668 | $428,960.28 | 1,059,974 | 2017-08-30 | Filing |
| Large Shareholder, Officer, Director | $40.32 | 17,170 | $692,294.40 | 1,049,306 | 2017-08-29 | Filing |
| Large Shareholder, Officer, Director | $40.35 | 14,692 | $592,822.20 | 1,032,136 | 2017-08-28 | Filing |
| Large Shareholder, Officer, Director | $40.46 | 2,902 | $117,414.92 | 1,017,444 | 2017-08-25 | Filing |
| Large Shareholder, Officer, Director | $40.45 | 6,536 | $264,381.20 | 1,014,542 | 2017-08-24 | Filing |
| Large Shareholder, Officer, Director | $40.29 | 12,052 | $485,575.08 | 1,008,006 | 2017-08-23 | Filing |
| Large Shareholder, Officer, Director | $40.05 | 11,621 | $465,421.05 | 995,954 | 2017-08-22 | Filing |
| Large Shareholder, Officer, Director | $40.41 | 10,364 | $418,809.24 | 984,333 | 2017-08-21 | Filing |
| Large Shareholder, Officer, Director | $39.87 | 19,206 | $765,743.22 | 973,969 | 2017-08-18 | Filing |