| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| 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 |
| Director | $47.39 | 6,000 | $284,340.00 | 5,590 | 2017-11-28 | Filing |
| Officer, Director | $47.49 | 13,000 | $617,419.40 | 2,622,310 | 2017-11-28 | Filing |
| Officer, Director | $47.59 | 13,000 | $618,624.50 | 2,635,310 | 2017-11-24 | Filing |
| Officer | $46.92 | 4,343 | $203,773.56 | 173,396 | 2017-11-21 | Filing |
| Officer | $46.92 | 5,260 | $246,799.20 | 114,414 | 2017-11-21 | Filing |
| Officer | $46.92 | 592 | $27,776.64 | 20,048 | 2017-11-21 | Filing |
| Officer | $46.92 | 4,233 | $198,612.36 | 108,708 | 2017-11-21 | Filing |