| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Director | $35.13 | 1,000 | $35,126.80 | 8,020 | 2018-03-29 | Filing |
| Director | $32.84 | 1,650 | $54,188.81 | 9,020 | 2018-03-28 | Filing |
| Director | $32.57 | 350 | $11,400.06 | 10,670 | 2018-03-27 | Filing |
| Director | $29.78 | 1,596 | $47,530.64 | 17,796 | 2018-03-26 | Filing |
| Director | $30.10 | 404 | $12,160.40 | 19,392 | 2018-03-23 | Filing |
| Large Shareholder, Officer, Director | $24.26 | 2,265 | $54,953.88 | 619,689 | 2017-12-21 | Filing |
| Large Shareholder, Officer, Director | $24.29 | 700 | $17,000.97 | 621,954 | 2017-12-20 | Filing |
| Large Shareholder, Officer, Director | $24.17 | 991 | $23,954.45 | 622,654 | 2017-12-19 | Filing |
| Large Shareholder, Officer, Director | $24.09 | 1,400 | $33,722.92 | 623,645 | 2017-12-18 | Filing |
| Large Shareholder, Officer, Director | $23.64 | 3,651 | $86,324.97 | 625,045 | 2017-12-15 | Filing |
| Large Shareholder, Officer, Director | $23.98 | 3,202 | $76,772.43 | 628,696 | 2017-12-14 | Filing |
| Large Shareholder, Officer, Director | $24.52 | 1,200 | $29,429.88 | 631,898 | 2017-12-13 | Filing |
| Large Shareholder, Officer, Director | $24.45 | 900 | $22,002.03 | 633,098 | 2017-12-12 | Filing |
| Large Shareholder, Officer, Director | $24.81 | 1,100 | $27,295.07 | 636,918 | 2017-12-11 | Filing |
| Large Shareholder, Officer, Director | $25.36 | 300 | $7,608.99 | 638,018 | 2017-12-08 | Filing |
| Director | $25.83 | 500 | $12,915.00 | 11,020 | 2017-12-05 | Filing |
| Large Shareholder, Officer, Director | $25.50 | 700 | $17,847.97 | 638,318 | 2017-12-07 | Filing |
| Large Shareholder, Officer, Director | $25.60 | 200 | $5,120.00 | 639,018 | 2017-12-06 | Filing |
| Large Shareholder, Officer, Director | $25.64 | 200 | $5,127.00 | 639,218 | 2017-12-05 | Filing |
| Large Shareholder, Officer, Director | $25.82 | 600 | $15,489.84 | 639,418 | 2017-12-04 | Filing |