| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Large Shareholder, Director, Other | $70.87 | 3,800 | $269,306.00 | 836,506 | 2016-08-08 | Filing |
| Officer, Director | $65.41 | 2,200 | $143,902.00 | 35,815 | 2016-05-10 | Filing |
| Large Shareholder, Other | $62.07 | 10,000 | $620,700.00 | 831,329 | 2016-02-19 | Filing |
| Officer, Director | $72.73 | 2,200 | $160,006.00 | 38,015 | 2015-08-10 | Filing |
| Officer, Director | $72.73 | 1,580 | $114,913.40 | 296,473 | 2015-08-10 | Filing |
| Officer, Director | $77.35 | 2,260 | $174,811.00 | 40,215 | 2015-02-23 | Filing |
| Officer, Director | $77.16 | 3,500 | $270,062.45 | 42,475 | 2014-11-18 | Filing |
| Officer, Director | $63.34 | 100 | $6,334.00 | 155,846 | 2014-08-07 | Filing |
| Officer, Director | $52.67 | 14,343 | $755,488.84 | 1,170,122 | 2014-02-20 | Filing |
| Officer, Director | $52.51 | 46,457 | $2,439,512.82 | 1,184,465 | 2014-02-19 | Filing |
| Officer, Director | $53.50 | 23,670 | $1,266,449.15 | 1,230,922 | 2014-02-18 | Filing |
| Officer, Director | $52.98 | 5,200 | $275,490.80 | 45,975 | 2014-02-19 | Filing |
| Officer, Director | $52.98 | 9,700 | $513,896.30 | 155,946 | 2014-02-19 | Filing |
| Officer, Director | $44.89 | 55,000 | $2,468,807.00 | 795,553 | 2013-08-06 | Filing |
| Officer, Director | $45.07 | 4,600 | $207,303.60 | 51,175 | 2013-08-01 | Filing |
| Officer, Director | $35.63 | 3,600 | $128,251.08 | 55,775 | 2013-02-27 | Filing |
| Officer | $33.45 | 20,500 | $685,725.00 | 0 | 2012-11-14 | Filing |
| Large Shareholder, Other | $28.08 | 15,049 | $422,610.53 | 106,602 | 2010-11-03 | Filing |
| Large Shareholder, Other | $28.08 | 15,044 | $422,470.12 | 106,602 | 2010-11-03 | Filing |
| Large Shareholder, Other | $28.08 | 784 | $22,016.52 | 44,583 | 2010-11-03 | Filing |