| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Large Shareholder | $31.05 | 600 | $18,630.00 | 7,772,425 | 2017-11-28 | Filing |
| Large Shareholder | $31.40 | 300 | $9,420.00 | 7,773,025 | 2017-11-27 | Filing |
| Large Shareholder | $31.43 | 10,000 | $314,300.00 | 7,773,325 | 2017-11-24 | Filing |
| Large Shareholder | $31.33 | 8,000 | $250,640.00 | 7,783,325 | 2017-11-24 | Filing |
| Large Shareholder | $31.41 | 434 | $13,631.94 | 7,791,325 | 2017-11-22 | Filing |
| Large Shareholder | $31.27 | 10,000 | $312,700.00 | 7,791,759 | 2017-11-22 | Filing |
| Officer | $31.29 | 14,396 | $450,458.04 | 80,323 | 2017-11-21 | Filing |
| Large Shareholder | $31.41 | 1,153 | $36,215.73 | 7,801,759 | 2017-11-21 | Filing |
| Large Shareholder | $31.36 | 10,000 | $313,600.00 | 7,802,912 | 2017-11-21 | Filing |
| Large Shareholder | $31.03 | 10,000 | $310,300.00 | 7,812,912 | 2017-11-20 | Filing |
| Large Shareholder | $31.13 | 5,000 | $155,650.00 | 7,822,912 | 2017-11-17 | Filing |
| Large Shareholder | $31.01 | 10,000 | $310,100.00 | 7,827,912 | 2017-11-16 | Filing |
| Large Shareholder | $30.73 | 10,000 | $307,300.00 | 7,837,912 | 2017-11-16 | Filing |
| Officer | $31.20 | 300 | $9,360.00 | 79,888 | 2017-11-13 | Filing |
| Officer | $31.40 | 580 | $18,212.00 | 80,188 | 2017-11-13 | Filing |
| Officer | $31.84 | 9,289 | $295,771.05 | 79,888 | 2017-11-10 | Filing |
| Large Shareholder | $32.00 | 1,379 | $44,128.00 | 7,847,912 | 2017-11-10 | Filing |
| Officer | $35.00 | 4,993 | $174,755.00 | 26,263 | 2017-10-27 | Filing |
| Officer, Director | $32.50 | 10,000 | $325,000.00 | 983,954 | 2017-10-13 | Filing |
| Officer, Director | $32.00 | 10,000 | $320,000.00 | 993,954 | 2017-10-11 | Filing |