Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $40.69 | 15,000 | Director | 28,704 | 2015-12-14 | Filing |
| $119.11 | 800 | Director | 25,000 | 2015-02-27 | Filing |
| $118.37 | 1,400 | Director | 24,200 | 2015-02-27 | Filing |
| $117.76 | 19,400 | Director | 22,800 | 2015-02-27 | Filing |
| $116.51 | 3,400 | Director | 3,400 | 2015-02-27 | Filing |
| $40.40 | 1,000 | Director | 347,321 | 2011-11-09 | Filing |
| $41.00 | 2,000 | Director | 346,321 | 2011-11-09 | Filing |
| $11.00 | 200 | Large Shareholder | 3,968,631 | 2010-11-29 | Filing |
| $10.99 | 2,100 | Large Shareholder | 3,968,431 | 2010-11-23 | Filing |
| $11.00 | 400 | Large Shareholder | 3,966,331 | 2010-11-17 | Filing |
| $11.42 | 14,901 | Large Shareholder | 3,965,931 | 2010-10-27 | Filing |
| $11.44 | 40,914 | Large Shareholder | 3,951,030 | 2010-10-26 | Filing |
| $11.28 | 22,726 | Large Shareholder | 3,910,116 | 2010-10-25 | Filing |
| $11.23 | 46,000 | Large Shareholder | 3,887,390 | 2010-10-22 | Filing |
| $11.23 | 49,070 | Large Shareholder | 3,841,390 | 2010-10-22 | Filing |
| $11.40 | 39,400 | Large Shareholder | 3,792,320 | 2010-10-22 | Filing |
| $11.49 | 8,823 | Large Shareholder | 3,752,920 | 2010-09-17 | Filing |
| $11.48 | 13,400 | Large Shareholder | 3,744,097 | 2010-09-16 | Filing |
| $11.50 | 7,427 | Large Shareholder | 3,730,697 | 2010-09-16 | Filing |
| $11.47 | 18,315 | Large Shareholder | 3,723,270 | 2010-09-14 | Filing |