Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $52.32 | 680 | | 4,800 | 2013-05-22 | Filing |
| $52.32 | 4,120 | | 4,120 | 2013-05-22 | Filing |
| $37.94 | 4,400 | | 27,994 | 2012-06-18 | Filing |
| $37.94 | 800 | | 23,594 | 2012-06-18 | Filing |
| $35.14 | 10,000 | | 528,397 | 2011-09-01 | Filing |
| $35.23 | 3,000 | | 18,804 | 2011-08-31 | Filing |
| $35.20 | 3,000 | | 3,000 | 2011-09-01 | Filing |
| $40.70 | 25,000 | | 518,267 | 2011-05-25 | Filing |
| $37.06 | 100,000 | | 489,781 | 2010-12-22 | Filing |
| $36.28 | 500 | | 19,703 | 2010-07-06 | Filing |
| $36.27 | 2,500 | | 19,203 | 2010-07-06 | Filing |
| $36.93 | 300 | | 30,000 | 2010-06-25 | Filing |
| $36.93 | 29,700 | | 29,700 | 2010-06-25 | Filing |