Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $34.44 | 15,000 | Director | 108,369 | 2011-03-17 | Filing |
| $34.56 | 25,000 | Director | 93,369 | 2011-03-16 | Filing |
| $34.16 | 20,036 | Director | 68,369 | 2011-03-15 | Filing |
| $30.49 | 5,000 | Officer, Director | 22,198 | 2010-12-17 | Filing |
| $27.05 | 11,000 | Large Shareholder, Officer, Director | 7,114,735 | 2010-06-07 | Filing |
| $27.80 | 1,000 | Large Shareholder, Officer, Director | 7,103,735 | 2010-06-03 | Filing |
| $27.91 | 10,000 | Large Shareholder, Officer, Director | 7,090,325 | 2010-05-24 | Filing |
| $27.36 | 2,000 | Large Shareholder, Officer, Director | 7,080,325 | 2010-05-21 | Filing |
| $27.65 | 100 | Large Shareholder, Officer, Director | 7,102,735 | 2010-05-27 | Filing |
| $27.74 | 2,310 | Large Shareholder, Officer, Director | 7,102,635 | 2010-05-26 | Filing |
| $27.44 | 10,000 | Large Shareholder, Officer, Director | 7,100,325 | 2010-05-25 | Filing |
| $24.30 | 1,000 | Director | 500,963 | 2009-05-11 | Filing |
| $23.50 | 1,700 | Director | 1,700 | 2009-03-19 | Filing |
| $23.55 | 5,000 | Large Shareholder, Officer, Director | 4,587,402 | 2009-03-19 | Filing |
| $23.25 | 5,000 | Large Shareholder, Officer, Director | 4,582,402 | 2009-03-18 | Filing |
| $22.80 | 5,000 | Large Shareholder, Officer, Director | 4,577,402 | 2009-03-17 | Filing |
| $22.60 | 5,000 | Large Shareholder, Officer, Director | 4,572,402 | 2009-03-16 | Filing |
| $21.69 | 5,000 | Large Shareholder, Officer, Director | 4,567,402 | 2009-03-13 | Filing |
| $21.20 | 5,000 | Large Shareholder, Officer, Director | 4,562,402 | 2009-03-12 | Filing |
| $20.71 | 1,900 | Officer | 8,916 | 2009-03-11 | Filing |