Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $37.51 | 2,640 | Officer | 23,955 | 2012-02-23 | Filing |
| $36.93 | 5,943 | Officer | 26,595 | 2012-02-22 | Filing |
| $37.08 | 598 | Officer | 31,656 | 2012-02-22 | Filing |
| $37.04 | 10,588 | Officer | 32,254 | 2012-02-21 | Filing |
| $34.68 | 7,742 | Officer | 55,581 | 2011-11-30 | Filing |
| $32.22 | 31,251 | Officer, Director | 112,515 | 2011-11-28 | Filing |
| $31.85 | 8,400 | Officer, Director | 143,766 | 2011-11-28 | Filing |
| $33.02 | 600 | Officer, Director | 152,166 | 2011-11-28 | Filing |
| $30.90 | 10,075 | Officer, Director | 95,855 | 2010-12-13 | Filing |
| $29.04 | 32,783 | Large Shareholder, Officer, Director | 1,138,849 | 2010-11-15 | Filing |
| $29.00 | 1,504 | Large Shareholder, Officer, Director | 1,171,632 | 2010-11-15 | Filing |
| $29.06 | 17,200 | Large Shareholder, Officer, Director | 1,173,136 | 2010-11-12 | Filing |
| $29.41 | 12,655 | Large Shareholder, Officer, Director | 1,190,336 | 2010-11-11 | Filing |
| $27.58 | 5,500 | Officer | 54,349 | 2010-11-10 | Filing |
| $29.55 | 1,000 | Officer | 59,849 | 2010-11-09 | Filing |
| $29.56 | 1,000 | Officer | 60,849 | 2010-11-09 | Filing |
| $24.40 | 2,500 | Large Shareholder, Officer, Director | 1,105,432 | 2010-09-14 | Filing |
| $24.38 | 18,000 | Large Shareholder, Officer, Director | 1,007,932 | 2010-09-13 | Filing |
| $29.17 | 8,870 | Large Shareholder, Officer, Director | 1,024,168 | 2010-05-14 | Filing |
| $29.66 | 30,000 | Large Shareholder, Officer, Director | 1,033,038 | 2010-05-13 | Filing |