Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $143.72 | 1,749 | Officer | 8,251 | 2018-02-28 | Filing |
| $100.08 | 1,000 | Large Shareholder, Officer, Director | 99,000 | 2017-12-26 | Filing |
| $99.05 | 200 | Large Shareholder, Officer, Director | 100,000 | 2017-12-26 | Filing |
| $97.83 | 1,700 | Large Shareholder, Officer, Director | 100,200 | 2017-12-26 | Filing |
| $96.68 | 8,279 | Large Shareholder, Officer, Director | 101,900 | 2017-12-26 | Filing |
| $95.55 | 8,958 | Large Shareholder, Officer, Director | 110,179 | 2017-12-26 | Filing |
| $98.00 | 1,000 | Officer | 0 | 2017-12-21 | Filing |
| $94.53 | 200 | Officer | 0 | 2017-12-13 | Filing |
| $94.21 | 1,300 | Officer | 200 | 2017-12-13 | Filing |
| $96.67 | 4,800 | Large Shareholder, Officer, Director | 119,137 | 2017-12-08 | Filing |
| $95.62 | 37,208 | Large Shareholder, Officer, Director | 123,937 | 2017-12-08 | Filing |
| $94.91 | 10,809 | Large Shareholder, Officer, Director | 161,145 | 2017-12-08 | Filing |
| $96.66 | 100 | Large Shareholder, Officer, Director | 171,954 | 2017-12-07 | Filing |
| $96.12 | 5,162 | Large Shareholder, Officer, Director | 172,054 | 2017-12-07 | Filing |
| $94.98 | 7,743 | Large Shareholder, Officer, Director | 177,216 | 2017-12-07 | Filing |
| $93.94 | 13,213 | Large Shareholder, Officer, Director | 184,959 | 2017-12-07 | Filing |
| $93.23 | 9,439 | Large Shareholder, Officer, Director | 198,172 | 2017-12-07 | Filing |
| $92.06 | 24,080 | Large Shareholder, Officer, Director | 207,611 | 2017-12-07 | Filing |
| $93.96 | 1,400 | Large Shareholder, Officer, Director | 231,691 | 2017-12-06 | Filing |
| $93.02 | 4,000 | Large Shareholder, Officer, Director | 233,091 | 2017-12-06 | Filing |