Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $59.00 | 9,000 | Officer | 20,959 | 2011-04-29 | Filing |
| $54.00 | 25,000 | Officer | 21,460 | 2011-03-30 | Filing |
| $46.72 | 21,188 | Officer | 21,460 | 2011-02-22 | Filing |
| $45.00 | 546 | Officer | 23,085 | 2011-01-10 | Filing |
| $41.96 | 13,500 | Large Shareholder, Director | 6,239,525 | 2010-12-31 | Filing |
| $41.77 | 5,600 | Large Shareholder, Director | 6,253,025 | 2010-12-30 | Filing |
| $41.73 | 9,400 | Large Shareholder, Director | 6,258,625 | 2010-12-29 | Filing |
| $41.76 | 5,000 | Large Shareholder, Director | 6,268,025 | 2010-12-28 | Filing |
| $41.84 | 5,400 | Large Shareholder, Director | 6,273,025 | 2010-12-27 | Filing |
| $41.92 | 7,200 | Large Shareholder, Director | 6,278,425 | 2010-12-23 | Filing |
| $41.79 | 7,200 | Large Shareholder, Director | 6,285,625 | 2010-12-22 | Filing |
| $41.73 | 7,476 | Large Shareholder, Director | 6,292,825 | 2010-12-21 | Filing |
| $41.51 | 15,249 | Large Shareholder, Director | 6,300,301 | 2010-12-20 | Filing |
| $41.28 | 22,475 | Large Shareholder, Director | 6,315,550 | 2010-12-17 | Filing |
| $41.59 | 17,200 | Large Shareholder, Director | 6,338,025 | 2010-12-16 | Filing |
| $41.87 | 11,152 | Large Shareholder, Director | 6,355,225 | 2010-12-15 | Filing |
| $41.82 | 12,400 | Large Shareholder, Director | 6,366,377 | 2010-12-14 | Filing |
| $41.55 | 17,631 | Large Shareholder, Director | 6,378,777 | 2010-12-13 | Filing |
| $41.22 | 13,317 | Large Shareholder, Director | 6,396,408 | 2010-12-10 | Filing |
| $41.02 | 9,485 | Large Shareholder, Director | 6,409,725 | 2010-12-09 | Filing |