| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Officer | $54.00 | 9,156 | $494,424.00 | 0 | 2018-03-07 | Filing |
| Officer | $52.94 | 5,000 | $264,721.50 | 0 | 2018-03-01 | Filing |
| Director | $54.91 | 12,040 | $661,156.13 | 97,679 | 2018-02-27 | Filing |
| Officer | $55.05 | 30,020 | $1,652,480.92 | 52,850 | 2018-02-27 | Filing |
| Officer | $53.28 | 15,000 | $799,234.50 | 23,579 | 2018-02-26 | Filing |
| Large Shareholder, Officer, Director | $52.17 | 74,450 | $3,884,294.74 | 87,516,283 | 2018-02-14 | Filing |
| Officer | $51.94 | 2,026 | $105,235.51 | 0 | 2018-02-07 | Filing |
| Large Shareholder, Officer, Director | $54.03 | 240,000 | $12,966,096.00 | 88,113,733 | 2018-01-29 | Filing |
| Director | $53.93 | 7,486 | $403,716.24 | 151,447 | 2018-01-26 | Filing |
| Director | $54.05 | 5,742 | $310,364.86 | 158,933 | 2018-01-26 | Filing |
| Director | $53.93 | 5,435 | $293,106.83 | 164,675 | 2018-01-26 | Filing |
| Large Shareholder, Officer, Director | $54.49 | 240,000 | $13,076,664.00 | 88,353,733 | 2018-01-25 | Filing |
| Large Shareholder, Officer, Director | $55.13 | 240,000 | $13,230,744.00 | 88,593,733 | 2018-01-24 | Filing |
| Large Shareholder, Officer, Director | $55.31 | 300,000 | $16,593,900.00 | 88,833,733 | 2018-01-18 | Filing |
| Officer | $51.30 | 2,026 | $103,942.11 | 0 | 2018-01-03 | Filing |
| Officer | $51.58 | 12,459 | $642,635.22 | 10,714 | 2017-12-05 | Filing |
| Officer | $50.55 | 1,982 | $100,189.11 | 0 | 2017-12-06 | Filing |
| Officer | $50.52 | 50,444 | $2,548,667.97 | 52,850 | 2017-12-04 | Filing |
| Officer, Director | $50.05 | 156,100 | $7,812,414.75 | 277,464 | 2017-12-04 | Filing |
| Officer, Director | $49.10 | 168,220 | $8,260,073.02 | 277,464 | 2017-11-30 | Filing |