Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $119.11 | 1,500 | Large Shareholder, Officer, Director | 3,035,478 | 2018-03-09 | Filing |
| $112.21 | 1,000 | Officer | 37,925 | 2018-01-23 | Filing |
| $112.09 | 2,000 | Director | 423,398 | 2018-01-18 | Filing |
| $111.56 | 3,000 | Director | 425,398 | 2018-01-17 | Filing |
| $110.96 | 10,000 | Large Shareholder, Officer, Director | 3,036,978 | 2018-01-16 | Filing |
| $107.26 | 5,700 | Large Shareholder, Officer, Director | 3,046,978 | 2018-01-11 | Filing |
| $107.05 | 4,278 | Large Shareholder, Officer, Director | 3,052,678 | 2018-01-09 | Filing |
| $103.58 | 1,000 | Officer | 22,856 | 2017-12-29 | Filing |
| $102.42 | 3,000 | Large Shareholder, Officer, Director | 3,056,956 | 2017-12-27 | Filing |
| $102.10 | 5,000 | Large Shareholder, Officer, Director | 3,061,256 | 2017-12-26 | Filing |
| $101.10 | 10,000 | Large Shareholder, Officer, Director | 3,066,256 | 2017-12-22 | Filing |
| $100.43 | 2,000 | Large Shareholder, Officer, Director | 3,076,256 | 2017-12-19 | Filing |
| $100.54 | 10,000 | Large Shareholder, Officer, Director | 3,078,256 | 2017-12-18 | Filing |
| $101.09 | 5,700 | Director | 94,366 | 2017-12-18 | Filing |
| $97.55 | 2,868 | Officer | 2,906 | 2017-10-20 | Filing |
| $95.23 | 6,000 | Director | 100,066 | 2017-10-13 | Filing |
| $98.90 | 7,000 | Director | 429,597 | 2017-10-03 | Filing |
| $99.15 | 20,500 | Large Shareholder, Officer, Director | 3,087,569 | 2017-10-04 | Filing |
| $77.56 | 1,453 | Director | 5,424 | 2016-09-30 | Filing |
| $75.48 | 14,000 | Large Shareholder, Officer, Director | 3,087,520 | 2017-07-12 | Filing |