| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Officer | $76.43 | 6,000 | $458,609.40 | 50,000 | 2018-10-01 | Filing |
| Officer | $76.42 | 30,000 | $2,292,537.00 | 50,000 | 2018-10-01 | Filing |
| Officer | $72.64 | 6,902 | $501,359.21 | 0 | 2018-09-25 | Filing |
| Officer | $72.64 | 62,500 | $4,539,981.25 | 0 | 2018-09-25 | Filing |
| Officer | $72.64 | 13,409 | $974,025.74 | 0 | 2018-09-25 | Filing |
| Large Shareholder, Officer, Director | $70.21 | 42,500 | $2,983,925.00 | 124,043 | 2018-09-19 | Filing |
| Large Shareholder, Officer, Director | $70.21 | 100,000 | $7,021,480.00 | 166,543 | 2018-09-19 | Filing |
| Large Shareholder, Officer, Director | $72.16 | 2,549 | $183,933.04 | 166,543 | 2018-09-19 | Filing |
| Large Shareholder, Officer, Director | $72.45 | 65,000 | $4,709,399.50 | 169,092 | 2018-09-18 | Filing |
| Large Shareholder, Officer, Director | $72.43 | 72,000 | $5,214,974.40 | 234,092 | 2018-09-18 | Filing |
| Large Shareholder, Officer, Director | $70.05 | 17,500 | $1,225,955.50 | 234,092 | 2018-09-17 | Filing |
| Large Shareholder, Officer, Director | $70.04 | 122,000 | $8,544,782.40 | 251,592 | 2018-09-17 | Filing |
| Officer | $60.68 | 6,000 | $364,060.20 | 50,000 | 2018-09-04 | Filing |
| Officer | $60.93 | 30,000 | $1,827,870.00 | 50,000 | 2018-09-04 | Filing |
| Officer | $64.00 | 4 | $256.00 | 0 | 2018-08-27 | Filing |
| Large Shareholder, Officer, Director | $56.56 | 125,000 | $7,070,125.00 | 251,592 | 2018-08-14 | Filing |
| Large Shareholder, Officer, Director | $55.88 | 1,486 | $83,043.48 | 376,592 | 2018-08-14 | Filing |
| Large Shareholder, Officer, Director | $55.95 | 122,000 | $6,825,436.40 | 378,078 | 2018-08-13 | Filing |
| Large Shareholder, Officer, Director | $58.81 | 122,000 | $7,175,027.40 | 375,886 | 2018-08-10 | Filing |
| Director | $58.20 | 26,000 | $1,513,200.00 | 7,333 | 2018-08-10 | Filing |