| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Officer, Director | $115.10 | 20,697 | $2,382,261.95 | 41,331 | 2018-01-04 | Filing |
| Officer, Director | $114.35 | 8,903 | $1,018,081.20 | 62,028 | 2018-01-04 | Filing |
| Officer, Director | $115.87 | 3,200 | $370,769.60 | 70,931 | 2018-01-04 | Filing |
| Officer | $113.86 | 3,206 | $365,029.39 | 19,608 | 2017-12-28 | Filing |
| Officer | $114.41 | 2,094 | $239,582.71 | 22,814 | 2017-12-28 | Filing |
| Officer, Director | $114.82 | 32,500 | $3,731,516.75 | 41,331 | 2017-12-19 | Filing |
| Officer, Director | $115.42 | 300 | $34,625.01 | 73,831 | 2017-12-19 | Filing |
| Officer | $114.58 | 18,960 | $2,172,406.46 | 109,848 | 2017-12-15 | Filing |
| Officer | $116.49 | 4,200 | $489,252.12 | 19,608 | 2017-11-29 | Filing |
| Officer | $117.25 | 800 | $93,800.00 | 23,808 | 2017-11-29 | Filing |
| Officer | $113.77 | 300 | $34,131.00 | 24,608 | 2017-11-29 | Filing |
| Officer, Director | $106.86 | 32,900 | $3,515,703.87 | 41,331 | 2017-11-20 | Filing |
| Officer | $104.76 | 18,960 | $1,986,154.80 | 109,848 | 2017-11-15 | Filing |
| Director | $104.15 | 1,000 | $104,150.10 | 39,306 | 2017-11-09 | Filing |
| Officer | $100.77 | 2,900 | $292,239.96 | 19,608 | 2017-10-30 | Filing |
| Officer | $101.53 | 2,400 | $243,676.32 | 22,508 | 2017-10-30 | Filing |
| Officer, Director | $100.71 | 23,800 | $2,396,881.34 | 41,331 | 2017-10-30 | Filing |
| Officer, Director | $101.51 | 9,100 | $923,697.32 | 65,131 | 2017-10-30 | Filing |
| Officer | $108.54 | 18,960 | $2,057,901.34 | 109,848 | 2017-10-16 | Filing |
| Officer | $108.85 | 5,200 | $566,038.20 | 19,608 | 2017-09-29 | Filing |