| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Large Shareholder, Officer, Director | $36.12 | 47,700 | $1,722,924.00 | 2,300 | 2017-12-20 | Filing |
| Officer | $37.56 | 75,103 | $2,820,868.68 | 488,695 | 2017-12-18 | Filing |
| Large Shareholder, Officer, Director | $38.37 | 500 | $19,185.00 | 0 | 2017-12-13 | Filing |
| Large Shareholder, Officer, Director | $37.74 | 49,500 | $1,868,130.00 | 500 | 2017-12-13 | Filing |
| Officer | $37.20 | 8,300 | $308,760.00 | 0 | 2017-12-14 | Filing |
| Officer | $36.76 | 10,900 | $400,684.00 | 8,300 | 2017-12-14 | Filing |
| Officer | $38.25 | 1,400 | $53,550.00 | 19,200 | 2017-12-13 | Filing |
| Officer | $37.54 | 10,500 | $394,170.00 | 20,600 | 2017-12-13 | Filing |
| Officer | $36.52 | 7,300 | $266,596.00 | 31,100 | 2017-12-13 | Filing |
| Director | $38.15 | 400,000 | $15,260,000.00 | 67,732 | 2017-12-11 | Filing |
| Large Shareholder, Officer, Director | $38.42 | 50,000 | $1,921,000.00 | 0 | 2017-12-06 | Filing |
| Director | $38.25 | 51,422 | $1,966,891.50 | 37,250 | 2017-12-01 | Filing |
| Officer | $37.23 | 2,814 | $104,765.22 | 111,522 | 2017-12-04 | Filing |
| Large Shareholder, Officer, Director | $42.89 | 3,401 | $145,868.89 | 0 | 2017-11-29 | Filing |
| Large Shareholder, Officer, Director | $41.88 | 3,096 | $129,660.48 | 3,401 | 2017-11-29 | Filing |
| Large Shareholder, Officer, Director | $40.92 | 14,170 | $579,836.40 | 6,497 | 2017-11-29 | Filing |
| Large Shareholder, Officer, Director | $40.22 | 19,400 | $780,268.00 | 20,667 | 2017-11-29 | Filing |
| Large Shareholder, Officer, Director | $39.10 | 9,933 | $388,380.30 | 40,067 | 2017-11-29 | Filing |
| Officer | $48.56 | 1,900 | $92,264.00 | 0 | 2017-11-22 | Filing |
| Officer | $47.55 | 9,000 | $427,950.00 | 1,900 | 2017-11-22 | Filing |