Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $32.03 | 5,000 | Director | 31,608 | 2011-11-30 | Filing |
| $29.49 | 3,000 | Director | 34,608 | 2011-11-29 | Filing |
| $29.00 | 3,000 | Director | 766,453 | 2011-11-18 | Filing |
| $29.67 | 3,500 | Director | 206,890 | 2011-11-02 | Filing |
| $29.50 | 800 | Director | 766,453 | 2011-08-30 | Filing |
| $30.52 | 3,500 | Director | 210,390 | 2011-07-27 | Filing |
| $35.00 | 89,955 | Officer | 30,030 | 2011-05-18 | Filing |
| $37.50 | 2,520 | Director | 767,253 | 2011-05-02 | Filing |
| $37.31 | 100,000 | Director | 213,890 | 2011-04-29 | Filing |
| $37.40 | 4,000 | Large Shareholder | 739,791 | 2011-04-05 | Filing |
| $34.26 | 6,000 | Large Shareholder | 743,791 | 2011-03-25 | Filing |
| $32.00 | 15,000 | Director | 211,988 | 2011-03-17 | Filing |
| $32.00 | 7,000 | Officer | 3,354 | 2011-03-08 | Filing |
| $31.08 | 2,000 | Director | 38,608 | 2011-03-03 | Filing |
| $30.33 | 10,000 | Officer | 33,180 | 2011-02-17 | Filing |
| $30.02 | 38,907 | Director | 226,988 | 2011-02-10 | Filing |
| $30.40 | 3,000 | Director | 769,773 | 2011-02-08 | Filing |
| $30.19 | 7,000 | Officer | 224 | 2011-02-07 | Filing |
| $30.12 | 3,000 | Director | 38,608 | 2011-02-07 | Filing |
| $29.92 | 11,903 | Director | 241,742 | 2011-02-03 | Filing |