Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $30.14 | 3,612 | Officer | 69,829 | 2012-01-27 | Filing |
| $29.00 | 20,842 | Officer | 108,776 | 2012-01-18 | Filing |
| $29.00 | 9,158 | Officer | 129,618 | 2012-01-17 | Filing |
| $29.97 | 1,000 | Director | 295,040 | 2012-01-04 | Filing |
| $30.55 | 11,708 | Officer | 42,829 | 2011-04-07 | Filing |
| $30.54 | 13,292 | Officer | 54,537 | 2011-04-07 | Filing |
| $32.17 | 75,600 | Large Shareholder, Director | 1,691,554 | 2011-04-04 | Filing |
| $32.03 | 24,400 | Large Shareholder, Director | 1,767,154 | 2011-04-01 | Filing |
| $31.22 | 168,800 | Large Shareholder, Director | 1,791,554 | 2011-03-31 | Filing |
| $30.51 | 31,200 | Large Shareholder, Director | 1,960,354 | 2011-03-30 | Filing |
| $27.75 | 10,000 | Officer | 30,867 | 2011-02-07 | Filing |
| $23.75 | 494,500 | Large Shareholder, Director | 1,991,554 | 2011-01-19 | Filing |
| $25.00 | 494,500 | Officer, Director | 739,911 | 2011-01-19 | Filing |
| $22.55 | 11,389 | Large Shareholder, Director | 2,486,054 | 2010-12-23 | Filing |
| $22.50 | 2,557 | Large Shareholder, Director | 2,497,443 | 2010-12-22 | Filing |
| $22.11 | 1,512 | Large Shareholder, Director | 2,500,000 | 2010-12-22 | Filing |
| $22.05 | 98,488 | Large Shareholder, Director | 2,501,512 | 2010-12-21 | Filing |
| $21.73 | 18,569 | Large Shareholder, Director | 2,600,000 | 2010-12-20 | Filing |
| $21.50 | 10,962 | Large Shareholder, Director | 2,618,569 | 2010-12-16 | Filing |
| $21.52 | 150 | Large Shareholder, Director | 2,629,531 | 2010-12-13 | Filing |