| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Officer, Director | $110.41 | 2,100 | $231,857.01 | 323,844 | 2018-01-16 | Filing |
| Officer, Director | $109.56 | 2,611 | $286,052.28 | 325,944 | 2018-01-16 | Filing |
| Large Shareholder, Director | $112.52 | 100 | $11,252.00 | 114,041 | 2018-01-16 | Filing |
| Large Shareholder, Director | $112.03 | 1,000 | $112,031.00 | 114,141 | 2018-01-16 | Filing |
| Large Shareholder, Director | $110.96 | 600 | $66,576.00 | 115,141 | 2018-01-16 | Filing |
| Large Shareholder, Director | $109.86 | 1,062 | $116,674.82 | 115,741 | 2018-01-16 | Filing |
| Officer | $114.18 | 100 | $11,418.00 | 82,243 | 2018-01-10 | Filing |
| Officer | $113.58 | 4,941 | $561,179.51 | 82,343 | 2018-01-10 | Filing |
| Officer | $112.73 | 1,300 | $146,553.94 | 87,284 | 2018-01-10 | Filing |
| Large Shareholder, Director | $109.71 | 17,074 | $1,873,116.83 | 116,803 | 2018-01-09 | Filing |
| Large Shareholder, Director | $109.35 | 120,089 | $13,131,455.95 | 133,877 | 2018-01-09 | Filing |
| Large Shareholder, Director | $109.47 | 97,533 | $10,676,625.40 | 116,803 | 2018-01-08 | Filing |
| Large Shareholder, Director | $108.73 | 223,800 | $24,333,885.90 | 214,336 | 2018-01-08 | Filing |
| Officer | $110.00 | 15,000 | $1,650,000.00 | 187,633 | 2018-01-04 | Filing |
| Officer | $105.00 | 15,000 | $1,575,000.00 | 187,633 | 2018-01-03 | Filing |
| Officer | $101.72 | 900 | $91,546.92 | 187,633 | 2018-01-02 | Filing |
| Officer | $100.87 | 14,100 | $1,422,309.30 | 188,533 | 2018-01-02 | Filing |
| Director | $102.79 | 300 | $30,837.51 | 179,544 | 2017-12-28 | Filing |
| Director | $102.08 | 12,200 | $1,245,405.28 | 179,844 | 2017-12-28 | Filing |
| Director | $103.45 | 2,000 | $206,891.60 | 179,544 | 2017-12-27 | Filing |