| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Officer | $42.26 | 100 | $4,226.00 | 127,855 | 2018-02-20 | Filing |
| Officer | $41.84 | 14,400 | $602,449.92 | 127,955 | 2018-02-20 | Filing |
| Director | $41.58 | 6,000 | $249,505.20 | 5,590 | 2018-02-20 | Filing |
| Officer, Director | $41.84 | 13,000 | $543,923.90 | 2,466,310 | 2018-02-20 | Filing |
| Officer, Director | $41.75 | 1,100 | $45,925.00 | 2,479,310 | 2018-02-15 | Filing |
| Officer, Director | $40.94 | 11,900 | $487,219.32 | 2,480,410 | 2018-02-15 | Filing |
| Director | $41.00 | 2,000 | $82,000.00 | 5,590 | 2018-02-14 | Filing |
| Director | $38.93 | 4,000 | $155,708.00 | 5,590 | 2018-02-13 | Filing |
| Officer, Director | $44.37 | 13,000 | $576,780.10 | 2,492,310 | 2018-02-07 | Filing |
| 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 |