Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $20.12 | 42,000 | Large Shareholder, Director | 164,901 | 2012-12-03 | Filing |
| $22.74 | 5,000 | Director | 76,495 | 2012-11-13 | Filing |
| $33.55 | 2,478 | Large Shareholder, Director | 206,901 | 2012-03-13 | Filing |
| $33.55 | 9,022 | Large Shareholder, Director | 209,379 | 2012-03-12 | Filing |
| $33.53 | 3,500 | Large Shareholder, Director | 218,401 | 2012-03-09 | Filing |
| $32.67 | 10,000 | Large Shareholder, Director | 221,901 | 2012-03-08 | Filing |
| $33.00 | 5,000 | Large Shareholder, Director | 231,901 | 2012-03-02 | Filing |
| $33.95 | 6,840 | Director | 0 | 2012-03-01 | Filing |
| $34.43 | 700 | Director | 6,840 | 2012-02-29 | Filing |
| $36.19 | 1,200 | Officer | 25,466 | 2011-12-13 | Filing |
| $28.00 | 5,000 | Director | 78,566 | 2011-09-14 | Filing |
| $29.18 | 6,400 | Large Shareholder, Director | 163,753 | 2011-08-31 | Filing |
| $28.15 | 3,011 | Director | 9,940 | 2011-08-29 | Filing |
| $28.06 | 5,000 | Large Shareholder, Director | 170,153 | 2011-08-29 | Filing |
| $27.07 | 3,600 | Large Shareholder, Director | 175,153 | 2011-08-25 | Filing |
| $25.35 | 2,711 | Officer | 59,822 | 2011-08-23 | Filing |
| $25.36 | 1,600 | Officer | 62,533 | 2011-08-22 | Filing |
| $25.32 | 5,546 | Officer | 64,133 | 2011-08-19 | Filing |
| $25.00 | 143 | Officer | 69,679 | 2011-08-18 | Filing |
| $25.79 | 5,000 | Officer | 69,822 | 2011-05-06 | Filing |