Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $40.75 | 20,722 | Large Shareholder, Director | 2,955,978 | 2018-03-06 | Filing |
| $39.19 | 42,989 | Large Shareholder, Director | 767,439 | 2017-11-21 | Filing |
| $38.86 | 122,111 | Large Shareholder, Director | 810,428 | 2017-11-20 | Filing |
| $38.86 | 134,900 | Large Shareholder, Director | 932,539 | 2017-11-17 | Filing |
| $36.67 | 2,500 | Officer | 0 | 2017-09-15 | Filing |
| $36.04 | 15,000 | Large Shareholder, Director | 3,235,331 | 2017-08-16 | Filing |
| $36.24 | 20,000 | Large Shareholder, Director | 3,250,331 | 2017-08-15 | Filing |
| $36.52 | 15,000 | Large Shareholder, Director | 3,270,331 | 2017-08-14 | Filing |
| $36.04 | 1,875 | Officer | 2,500 | 2017-06-15 | Filing |
| $37.47 | 2,500 | Officer, Director | 4,375 | 2017-03-15 | Filing |
| $27.02 | 4,763 | Director | 5,000 | 2015-12-09 | Filing |
| $27.97 | 100,000 | Large Shareholder, Director | 1,680,312 | 2015-12-07 | Filing |
| $28.91 | 33,000 | Large Shareholder, Director | 1,790,601 | 2015-12-03 | Filing |
| $29.56 | 45,000 | Large Shareholder, Director | 1,823,601 | 2015-12-02 | Filing |
| $30.54 | 101,064 | Large Shareholder, Director | 1,868,601 | 2015-12-01 | Filing |
| $30.55 | 20,936 | Large Shareholder, Director | 1,969,665 | 2015-11-30 | Filing |
| $29.53 | 7,900 | Director | 186,162 | 2015-11-12 | Filing |
| $27.57 | 17,042 | Director | 9,763 | 2015-06-10 | Filing |
| $23.41 | 12,028 | Director | 26,805 | 2014-12-15 | Filing |
| $26.69 | 4,000 | Director | 194,062 | 2014-09-12 | Filing |