| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Director | $43.90 | 6,000 | $263,400.00 | 5,590 | 2017-10-24 | Filing |
| Officer | $44.18 | 7,129 | $314,959.22 | 177,739 | 2017-10-25 | Filing |
| Officer | $44.03 | 17,871 | $786,942.34 | 177,739 | 2017-10-23 | Filing |
| Officer, Director | $43.50 | 13,000 | $565,533.80 | 2,700,310 | 2017-10-17 | Filing |
| Director | $43.36 | 6,000 | $260,160.00 | 5,590 | 2017-10-17 | Filing |
| Officer, Director | $43.66 | 13,000 | $567,629.40 | 2,713,310 | 2017-10-12 | Filing |
| Director | $45.55 | 6,000 | $273,300.00 | 5,590 | 2017-10-10 | Filing |
| Officer, Director | $45.38 | 13,000 | $589,919.20 | 2,726,310 | 2017-10-04 | Filing |
| Director | $44.21 | 6,000 | $265,260.00 | 5,590 | 2017-10-03 | Filing |
| Officer, Director | $42.20 | 13,000 | $548,577.90 | 2,739,310 | 2017-09-26 | Filing |
| Director | $42.11 | 6,000 | $252,660.00 | 5,590 | 2017-09-26 | Filing |
| Officer, Director | $43.49 | 13,000 | $565,334.90 | 2,752,310 | 2017-09-21 | Filing |
| Director | $43.50 | 6,000 | $261,000.00 | 5,590 | 2017-09-19 | Filing |
| Officer, Director | $43.54 | 13,000 | $566,007.00 | 2,765,310 | 2017-09-13 | Filing |
| Officer, Director | $42.62 | 13,000 | $554,089.90 | 2,778,310 | 2017-09-05 | Filing |
| Officer, Director | $42.61 | 3,000 | $127,832.70 | 2,791,310 | 2017-09-01 | Filing |
| Officer, Director | $43.31 | 10,000 | $433,118.00 | 2,794,310 | 2017-08-31 | Filing |
| Officer | $41.45 | 3,921 | $162,525.45 | 112,941 | 2017-08-22 | Filing |
| Officer | $41.45 | 540 | $22,383.00 | 20,640 | 2017-08-22 | Filing |
| Officer | $41.45 | 4,208 | $174,421.60 | 177,739 | 2017-08-22 | Filing |