| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Large Shareholder | $51.95 | 1,100 | $57,146.54 | 7,029,533 | 2017-10-09 | Filing |
| Large Shareholder | $51.97 | 29,032 | $1,508,734.98 | 7,030,633 | 2017-10-06 | Filing |
| Large Shareholder | $51.96 | 286,512 | $14,887,851.15 | 7,059,665 | 2017-10-05 | Filing |
| Director | $51.95 | 1,100 | $57,146.54 | 7,029,533 | 2017-10-09 | Filing |
| Director | $51.97 | 29,032 | $1,508,734.98 | 7,030,633 | 2017-10-06 | Filing |
| Director | $51.96 | 286,512 | $14,887,851.15 | 7,059,665 | 2017-10-05 | Filing |
| Officer | $46.79 | 9,500 | $444,503.10 | 78,000 | 2017-09-20 | Filing |
| Officer, Director | $45.98 | 275 | $12,644.06 | 253,000 | 2017-09-15 | Filing |
| Officer, Director | $45.21 | 4,725 | $213,610.64 | 253,275 | 2017-09-15 | Filing |
| Officer, Director | $45.98 | 100 | $4,598.00 | 740,285 | 2017-09-15 | Filing |
| Officer, Director | $45.22 | 2,400 | $108,521.04 | 740,385 | 2017-09-15 | Filing |
| Officer, Director | $45.15 | 1,000 | $45,145.90 | 0 | 2017-09-15 | Filing |
| Officer | $45.50 | 10,000 | $455,000.00 | 5,652 | 2017-09-06 | Filing |
| Officer | $40.68 | 25,000 | $1,017,072.50 | 5,652 | 2017-08-28 | Filing |
| Officer | $42.00 | 9,500 | $398,956.30 | 75,000 | 2017-08-21 | Filing |
| Officer, Director | $46.65 | 5,000 | $233,236.50 | 258,000 | 2017-08-15 | Filing |
| Officer, Director | $46.65 | 2,500 | $116,617.50 | 742,785 | 2017-08-15 | Filing |
| Officer, Director | $46.69 | 1,000 | $46,689.00 | 0 | 2017-08-15 | Filing |
| Officer, Director | $51.26 | 200 | $10,252.00 | 263,000 | 2017-07-17 | Filing |
| Officer, Director | $50.83 | 4,800 | $243,973.92 | 263,200 | 2017-07-17 | Filing |