Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $72.52 | 300 | Officer | 22,196 | 2011-04-11 | Filing |
| $71.39 | 9,700 | Officer | 22,496 | 2011-04-11 | Filing |
| $72.34 | 5,007 | Officer, Director | 92,114 | 2011-04-11 | Filing |
| $71.68 | 79,283 | Officer, Director | 97,121 | 2011-04-11 | Filing |
| $72.77 | 4,200 | Officer, Director | 92,114 | 2011-04-08 | Filing |
| $71.83 | 47,000 | Officer, Director | 96,314 | 2011-04-08 | Filing |
| $61.38 | 16,000 | Officer | 26,326 | 2011-02-07 | Filing |
| $61.36 | 25,000 | Large Shareholder, Director | 149,303 | 2011-02-07 | Filing |
| $61.07 | 25,000 | Large Shareholder, Director | 174,303 | 2011-02-04 | Filing |
| $61.00 | 4,287 | Large Shareholder, Director | 199,303 | 2011-02-03 | Filing |
| $61.00 | 3,093 | Director | 11,541 | 2011-02-03 | Filing |
| $60.70 | 20,000 | Officer | 22,196 | 2011-02-02 | Filing |
| $60.29 | 15,000 | Large Shareholder, Director | 203,590 | 2011-02-02 | Filing |
| $60.01 | 4,390 | Large Shareholder, Director | 218,590 | 2011-02-01 | Filing |
| $60.66 | 87,070 | Large Shareholder, Director | 222,980 | 2011-02-01 | Filing |
| $59.50 | 7,479 | Large Shareholder, Director | 60,050 | 2011-01-31 | Filing |
| $59.51 | 301 | Large Shareholder, Director | 67,529 | 2011-01-31 | Filing |
| $60.80 | 10,000 | Officer | 22,196 | 2011-02-01 | Filing |
| $60.37 | 6,708 | Officer, Director | 121,890 | 2011-02-01 | Filing |
| $61.02 | 4,472 | Officer, Director | 128,598 | 2011-02-01 | Filing |