Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $131.19 | 7,622 | Large Shareholder, Officer, Director | 2,253,332 | 2018-09-13 | Filing |
| $97.09 | 10,300 | Large Shareholder, Officer, Director | 2,245,710 | 2017-12-12 | Filing |
| $71.64 | 13,959 | Large Shareholder, Officer, Director | 2,235,410 | 2017-09-26 | Filing |
| $71.78 | 3,200 | Large Shareholder, Officer, Director | 2,221,451 | 2017-09-14 | Filing |
| $71.15 | 6,200 | Large Shareholder, Officer, Director | 2,218,251 | 2017-09-14 | Filing |
| $70.08 | 4,600 | Large Shareholder, Officer, Director | 2,212,051 | 2017-09-14 | Filing |
| $27.59 | 32,918 | Large Shareholder, Officer, Director | 2,207,451 | 2016-07-15 | Filing |
| $25.37 | 4,000 | Director | 18,608 | 2016-06-28 | Filing |
| $96.01 | 20,830 | Director | 29,160 | 2015-06-24 | Filing |
| $76.82 | 25,974 | Large Shareholder, Officer, Director | 2,334,533 | 2014-09-22 | Filing |
| $93.00 | 2,800 | Director | 2,800 | 2014-06-27 | Filing |
| $64.97 | 15,400 | Director | 330,568 | 2013-12-19 | Filing |
| $63.10 | 3,175 | Director | 17,019 | 2013-12-18 | Filing |
| $63.31 | 4,700 | Director | 28,506 | 2013-12-18 | Filing |
| $70.00 | 100,000 | Director | 313,541 | 2013-07-17 | Filing |
| $24.00 | 208,333 | Director | 213,541 | 2012-11-07 | Filing |
| $24.00 | 208,333 | Director | 208,333 | 2012-11-07 | Filing |