Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $22.69 | 22,351 | Large Shareholder, Director | 2,060,626 | 2012-03-12 | Filing |
| $22.59 | 15,237 | Large Shareholder, Director | 2,038,275 | 2012-03-09 | Filing |
| $22.52 | 14,914 | Large Shareholder, Director | 2,023,038 | 2012-03-08 | Filing |
| $20.87 | 15,237 | Large Shareholder, Director | 2,008,124 | 2012-03-06 | Filing |
| $20.55 | 15,237 | Large Shareholder, Director | 1,992,887 | 2012-03-05 | Filing |
| $18.21 | 3,000 | Officer | 4,000 | 2012-02-24 | Filing |
| $16.88 | 17,359 | Large Shareholder, Director | 1,977,650 | 2011-12-15 | Filing |
| $16.70 | 20,056 | Large Shareholder, Director | 1,960,291 | 2011-12-14 | Filing |
| $17.00 | 94,611 | Large Shareholder, Director | 1,940,235 | 2011-12-13 | Filing |
| $17.87 | 2,800 | Director | 6,697 | 2011-12-05 | Filing |
| $17.68 | 2,850 | Officer | 2,923 | 2011-12-05 | Filing |
| $17.65 | 110,664 | Large Shareholder, Director | 1,845,624 | 2011-12-05 | Filing |
| $17.50 | 27,652 | Large Shareholder, Director | 1,734,960 | 2011-12-02 | Filing |
| $17.60 | 25,026 | Large Shareholder, Director | 1,707,308 | 2011-12-01 | Filing |
| $16.00 | 6,802 | Large Shareholder, Director | 1,682,282 | 2011-11-25 | Filing |
| $16.22 | 15,278 | Large Shareholder, Director | 1,675,480 | 2011-11-23 | Filing |
| $15.48 | 12,468 | Large Shareholder, Director | 1,660,202 | 2011-11-21 | Filing |
| $15.87 | 23,625 | Large Shareholder, Director | 1,647,734 | 2011-11-18 | Filing |
| $16.89 | 6,500 | Officer | 6,768 | 2011-11-17 | Filing |
| $16.48 | 12,889 | Large Shareholder, Director | 1,624,109 | 2011-11-10 | Filing |