| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Large Shareholder, Officer, Director | $60.00 | 10,000 | $600,000.00 | 8,750,554 | 2018-03-19 | Filing |
| Large Shareholder, Officer, Director | $60.05 | 150,000 | $9,008,235.00 | 8,760,554 | 2018-03-16 | Filing |
| Officer | $60.37 | 4,800 | $289,776.00 | 30,561 | 2018-03-15 | Filing |
| Officer | $60.61 | 1,929 | $116,916.69 | 45,494 | 2018-02-23 | Filing |
| Director | $60.55 | 9,905 | $599,708.13 | 22,427 | 2018-02-23 | Filing |
| Officer, Director | $65.00 | 36,208 | $2,353,520.00 | 120,699 | 2018-02-15 | Filing |
| Officer | $60.80 | 755 | $45,904.00 | 9,042 | 2017-12-13 | Filing |
| Large Shareholder | $61.29 | 126,000 | $7,723,069.20 | 10,351,200 | 2017-12-01 | Filing |
| Large Shareholder | $62.27 | 127,000 | $7,908,213.80 | 11,121,200 | 2017-11-30 | Filing |
| Large Shareholder | $62.64 | 127,000 | $7,954,784.70 | 11,248,200 | 2017-11-29 | Filing |
| Officer | $61.91 | 2,453 | $151,865.23 | 48,922 | 2017-11-21 | Filing |
| Large Shareholder | $60.47 | 126,000 | $7,618,716.00 | 9,375,200 | 2017-11-15 | Filing |
| Large Shareholder | $60.76 | 127,000 | $7,716,304.10 | 9,501,200 | 2017-11-14 | Filing |
| Officer, Director | $60.30 | 2,413 | $145,503.90 | 111,402 | 2017-11-13 | Filing |
| Large Shareholder | $60.37 | 127,000 | $7,667,002.70 | 9,628,200 | 2017-11-13 | Filing |
| Large Shareholder | $59.42 | 126,000 | $7,487,146.80 | 9,755,200 | 2017-11-08 | Filing |
| Large Shareholder | $59.15 | 127,000 | $7,512,558.00 | 9,881,200 | 2017-11-07 | Filing |
| Large Shareholder | $59.33 | 127,000 | $7,535,405.30 | 10,008,200 | 2017-11-06 | Filing |
| Officer, Director | $60.00 | 10,082 | $604,920.00 | 113,201 | 2017-11-01 | Filing |
| Officer, Director | $60.00 | 28,220 | $1,693,200.00 | 123,283 | 2017-11-01 | Filing |