| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Large Shareholder, Officer, Director | $116.32 | 210 | $24,427.41 | 23,645,854 | 2018-05-21 | Filing |
| Large Shareholder, Officer, Director | $115.55 | 6,853 | $791,877.86 | 23,646,064 | 2018-05-21 | Filing |
| Large Shareholder, Officer, Director | $115.11 | 4,090 | $470,800.72 | 23,652,917 | 2018-05-21 | Filing |
| Large Shareholder, Officer, Director | $114.87 | 1,243 | $142,782.29 | 23,657,007 | 2018-05-18 | Filing |
| Large Shareholder, Officer, Director | $114.36 | 11,868 | $1,357,262.46 | 23,658,250 | 2018-05-18 | Filing |
| Large Shareholder, Officer, Director | $114.90 | 5,277 | $606,351.57 | 23,670,118 | 2018-05-17 | Filing |
| Large Shareholder, Officer, Director | $114.43 | 4,512 | $516,319.44 | 23,675,395 | 2018-05-17 | Filing |
| Large Shareholder, Officer, Director | $114.60 | 300 | $34,380.00 | 23,679,907 | 2018-05-16 | Filing |
| Large Shareholder, Officer, Director | $114.14 | 9,705 | $1,107,692.79 | 23,680,207 | 2018-05-16 | Filing |
| Large Shareholder, Officer, Director | $112.83 | 605 | $68,261.55 | 23,689,912 | 2018-05-16 | Filing |
| Large Shareholder, Officer, Director | $112.89 | 6,681 | $754,218.09 | 23,690,517 | 2018-05-15 | Filing |
| Large Shareholder, Officer, Director | $112.22 | 2,053 | $230,381.09 | 23,697,198 | 2018-05-15 | Filing |
| Large Shareholder, Officer, Director | $112.27 | 500 | $56,136.00 | 23,699,251 | 2018-05-14 | Filing |
| Large Shareholder, Officer, Director | $111.88 | 9,300 | $1,040,461.68 | 23,699,751 | 2018-05-14 | Filing |
| Large Shareholder, Officer, Director | $111.69 | 2,644 | $295,320.79 | 23,709,051 | 2018-05-11 | Filing |
| Large Shareholder, Officer, Director | $111.30 | 5,218 | $580,769.14 | 23,711,695 | 2018-05-11 | Filing |
| Large Shareholder, Officer, Director | $111.57 | 647 | $72,183.27 | 23,716,913 | 2018-05-10 | Filing |
| Large Shareholder, Officer, Director | $111.18 | 10,470 | $1,164,080.78 | 23,717,560 | 2018-05-10 | Filing |
| Large Shareholder, Officer, Director | $110.46 | 6,940 | $766,569.50 | 23,728,030 | 2018-05-09 | Filing |
| Large Shareholder, Officer, Director | $109.71 | 1,906 | $209,104.40 | 23,734,970 | 2018-05-09 | Filing |