| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Director | $27.93 | 20,000 | $558,588.00 | 0 | 2018-10-30 | Filing |
| Officer, Director | $37.03 | 501 | $18,552.03 | 124,511 | 2018-08-23 | Filing |
| Large Shareholder, Officer, Director | $37.61 | 14,180 | $533,369.36 | 3,118,266 | 2018-08-22 | Filing |
| Officer, Director | $35.72 | 21,005 | $750,302.80 | 5,373 | 2018-08-02 | Filing |
| Large Shareholder, Officer, Director | $37.54 | 582 | $21,848.28 | 3,044,704 | 2018-07-27 | Filing |
| Large Shareholder, Officer, Director | $37.45 | 17,238 | $645,585.51 | 3,045,286 | 2018-07-26 | Filing |
| Large Shareholder, Officer, Director | $37.26 | 22,000 | $819,610.00 | 3,062,524 | 2018-07-25 | Filing |
| Large Shareholder, Officer, Director | $37.12 | 5,675 | $210,636.14 | 3,066,802 | 2018-06-19 | Filing |
| Large Shareholder, Officer, Director | $37.08 | 1,325 | $49,134.31 | 3,072,477 | 2018-06-18 | Filing |
| Large Shareholder, Officer, Director | $37.04 | 8,000 | $296,280.00 | 3,073,802 | 2018-06-15 | Filing |
| Large Shareholder, Officer, Director | $34.53 | 9,108 | $314,474.65 | 3,072,694 | 2018-06-05 | Filing |
| Large Shareholder, Officer, Director | $34.70 | 4,821 | $167,308.95 | 3,081,802 | 2018-06-04 | Filing |
| Large Shareholder, Officer, Director | $34.50 | 35,000 | $1,207,542.00 | 3,086,623 | 2018-06-01 | Filing |
| Officer | $32.66 | 1,365 | $44,574.21 | 19,059 | 2018-05-29 | Filing |
| Officer | $32.83 | 12,368 | $406,064.94 | 20,424 | 2018-05-25 | Filing |
| Large Shareholder, Officer, Director | $33.05 | 30,000 | $991,410.00 | 3,121,623 | 2018-05-23 | Filing |
| Large Shareholder, Officer, Director | $33.36 | 5,386 | $179,673.73 | 3,151,623 | 2018-05-22 | Filing |
| Large Shareholder, Officer, Director | $34.07 | 8,700 | $296,388.99 | 3,157,009 | 2018-05-21 | Filing |
| Large Shareholder, Officer, Director | $33.74 | 5,328 | $179,765.12 | 52,031 | 2018-05-16 | Filing |
| Large Shareholder, Officer, Director | $33.41 | 2,000 | $66,822.40 | 57,359 | 2018-05-15 | Filing |