| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| 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 |
| Director | $46.92 | 6,000 | $281,520.00 | 5,590 | 2017-11-21 | Filing |
| Officer, Director | $45.40 | 13,000 | $590,223.40 | 2,648,310 | 2017-11-15 | Filing |
| Director | $45.49 | 6,000 | $272,940.00 | 5,590 | 2017-11-14 | Filing |
| Officer, Director | $45.58 | 13,000 | $592,545.20 | 2,661,310 | 2017-11-07 | Filing |
| Director | $45.59 | 6,000 | $273,540.00 | 5,590 | 2017-11-07 | Filing |
| Officer, Director | $47.45 | 500 | $23,725.00 | 2,674,310 | 2017-11-02 | Filing |
| Officer, Director | $46.79 | 9,000 | $421,131.60 | 2,674,810 | 2017-11-02 | Filing |