| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Large Shareholder, Officer, Director | $100.42 | 5,000 | $502,096.00 | 91,938 | 2011-06-02 | Filing |
| Large Shareholder, Officer, Director | $102.53 | 6,326 | $648,606.05 | 81,938 | 2011-06-01 | Filing |
| Large Shareholder, Officer, Director | $101.99 | 23,674 | $2,414,501.79 | 88,264 | 2011-06-01 | Filing |
| Director | $102.69 | 4,133 | $424,411.16 | 618 | 2011-06-01 | Filing |
| Director | $102.28 | 24,200 | $2,475,166.32 | 4,751 | 2011-06-01 | Filing |
| Large Shareholder, Officer, Director | $101.79 | 30,000 | $3,053,685.00 | 81,938 | 2011-05-31 | Filing |
| Large Shareholder, Officer, Director | $101.64 | 900 | $91,478.88 | 81,938 | 2011-05-27 | Filing |
| Large Shareholder, Officer, Director | $101.00 | 29,100 | $2,939,204.76 | 82,838 | 2011-05-27 | Filing |
| Large Shareholder, Other | $102.41 | 1,520 | $155,657.58 | 81,938 | 2011-05-20 | Filing |
| Large Shareholder, Other | $100.80 | 13,480 | $1,358,730.08 | 83,458 | 2011-05-20 | Filing |
| Large Shareholder, Other | $98.30 | 5,000 | $491,501.00 | 112,180 | 2011-05-23 | Filing |
| Large Shareholder, Other | $101.78 | 300 | $30,534.99 | 117,180 | 2011-05-20 | Filing |
| Large Shareholder, Other | $101.03 | 4,700 | $474,832.07 | 117,480 | 2011-05-20 | Filing |
| Large Shareholder, Other | $102.41 | 15,000 | $1,536,094.50 | 81,938 | 2011-05-19 | Filing |
| Large Shareholder, Other | $100.80 | 15,000 | $1,511,940.00 | 81,938 | 2011-05-18 | Filing |
| Large Shareholder, Other | $102.69 | 500 | $51,343.95 | 122,180 | 2011-05-19 | Filing |
| Large Shareholder, Other | $101.95 | 9,500 | $968,529.75 | 122,680 | 2011-05-19 | Filing |
| Large Shareholder, Other | $102.41 | 500 | $51,205.00 | 132,180 | 2011-05-18 | Filing |
| Large Shareholder, Other | $102.00 | 8,000 | $815,966.40 | 132,680 | 2011-05-18 | Filing |
| Large Shareholder, Other | $100.65 | 1,500 | $150,978.00 | 140,680 | 2011-05-18 | Filing |