| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Officer | $54.86 | 9,000 | $493,711.20 | 16,353 | 2018-08-14 | Filing |
| Officer, Director | $56.27 | 1,500 | $84,405.45 | 863,571 | 2018-08-01 | Filing |
| Officer, Director | $55.50 | 10,915 | $605,810.88 | 865,071 | 2018-08-01 | Filing |
| Officer, Director | $54.57 | 7,585 | $413,908.90 | 875,986 | 2018-08-01 | Filing |
| Officer, Director | $51.34 | 20,000 | $1,026,752.00 | 883,571 | 2018-07-02 | Filing |
| Officer | $51.54 | 5,521 | $284,532.46 | 25,353 | 2018-06-14 | Filing |
| Officer | $51.54 | 6,239 | $321,534.35 | 25,353 | 2018-06-14 | Filing |
| Officer | $51.51 | 2,902 | $149,469.83 | 25,353 | 2018-06-14 | Filing |
| Officer, Director | $50.40 | 20,000 | $1,008,022.00 | 903,571 | 2018-06-01 | Filing |
| Officer, Director | $44.64 | 20,000 | $892,850.00 | 923,571 | 2018-05-01 | Filing |
| Officer, Director | $45.56 | 2,600 | $118,456.78 | 943,571 | 2018-04-02 | Filing |
| Officer, Director | $44.61 | 17,400 | $776,233.14 | 946,171 | 2018-04-02 | Filing |
| Officer, Director | $44.11 | 20,000 | $882,202.00 | 946,463 | 2018-03-01 | Filing |
| Officer, Director | $48.54 | 20,000 | $970,802.00 | 969,911 | 2018-02-01 | Filing |
| Officer, Director | $49.66 | 500 | $24,830.00 | 989,911 | 2018-01-02 | Filing |
| Officer, Director | $49.01 | 19,500 | $955,681.35 | 990,411 | 2018-01-02 | Filing |
| Officer, Director | $49.12 | 4,600 | $225,946.48 | 1,009,911 | 2017-11-01 | Filing |
| Officer, Director | $48.54 | 15,400 | $747,551.42 | 1,014,511 | 2017-11-01 | Filing |
| Officer | $48.26 | 1,000 | $48,259.00 | 6,732 | 2017-11-20 | Filing |
| Officer | $49.36 | 100 | $4,936.00 | 13,707 | 2017-11-20 | Filing |