| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Director | $43.87 | 2,600 | $114,072.92 | 5,590 | 2018-02-06 | Filing |
| Director | $43.26 | 3,400 | $147,068.02 | 8,190 | 2018-02-06 | Filing |
| Director | $43.82 | 6,000 | $262,932.00 | 5,590 | 2018-01-30 | Filing |
| Officer, Director | $43.63 | 13,000 | $567,156.20 | 2,505,310 | 2018-01-30 | Filing |
| Officer, Director | $42.67 | 13,000 | $554,663.20 | 2,518,310 | 2018-01-25 | Filing |
| Director | $43.45 | 6,000 | $260,700.00 | 5,590 | 2018-01-23 | Filing |
| Director | $45.39 | 6,000 | $272,340.00 | 5,590 | 2018-01-16 | Filing |
| Officer, Director | $43.48 | 13,000 | $565,221.80 | 2,531,310 | 2018-01-17 | Filing |
| Officer, Director | $43.63 | 13,000 | $567,186.10 | 2,544,310 | 2018-01-09 | Filing |
| Director | $43.75 | 6,000 | $262,500.00 | 5,590 | 2018-01-09 | Filing |
| Officer, Director | $43.23 | 13,000 | $561,935.40 | 2,557,310 | 2018-01-04 | Filing |
| Director | $42.06 | 6,000 | $252,360.00 | 5,590 | 2018-01-02 | Filing |
| Director | $41.50 | 6,000 | $249,000.00 | 5,590 | 2017-12-26 | Filing |
| Officer, Director | $42.14 | 13,000 | $547,840.80 | 2,570,310 | 2017-12-27 | Filing |
| Director | $43.72 | 6,000 | $262,320.00 | 5,590 | 2017-12-19 | Filing |
| Officer, Director | $43.69 | 13,000 | $568,018.10 | 2,583,310 | 2017-12-19 | Filing |
| Officer, Director | $42.32 | 13,000 | $550,130.10 | 2,596,310 | 2017-12-14 | Filing |
| Director | $41.09 | 6,000 | $246,540.00 | 5,590 | 2017-12-12 | Filing |
| Officer, Director | $42.61 | 13,000 | $553,911.80 | 2,609,310 | 2017-12-06 | Filing |
| Director | $42.95 | 6,000 | $257,700.00 | 5,590 | 2017-12-05 | Filing |