| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Officer, Director | $40.14 | 5,500 | $220,761.20 | 724,104 | 2011-07-20 | Filing |
| Director | $37.73 | 3,000 | $113,190.00 | 3,000 | 2011-04-26 | Filing |
| Large Shareholder, Officer, Director | $40.84 | 1,600 | $65,345.44 | 829,604 | 2011-04-07 | Filing |
| Large Shareholder, Officer, Director | $40.55 | 1,986 | $80,527.93 | 831,204 | 2011-04-06 | Filing |
| Large Shareholder, Officer, Director | $40.59 | 9,828 | $398,891.00 | 833,190 | 2011-04-04 | Filing |
| Large Shareholder, Officer, Director | $40.46 | 3,607 | $145,941.38 | 843,018 | 2011-04-01 | Filing |
| Large Shareholder, Officer, Director | $40.15 | 11,962 | $480,320.95 | 846,625 | 2011-03-31 | Filing |
| Large Shareholder, Officer, Director | $40.19 | 3,600 | $144,680.40 | 858,587 | 2011-03-29 | Filing |
| Large Shareholder, Officer, Director | $40.24 | 5,109 | $205,605.06 | 862,187 | 2011-03-28 | Filing |
| Large Shareholder, Officer, Director | $40.47 | 5,296 | $214,328.06 | 867,296 | 2011-03-25 | Filing |
| Officer, Director | $39.00 | 232 | $9,048.00 | 438,614 | 2010-12-17 | Filing |
| Officer, Director | $39.09 | 5,133 | $200,664.37 | 438,846 | 2010-12-16 | Filing |
| Officer, Director | $39.02 | 5,101 | $199,048.67 | 443,979 | 2010-12-15 | Filing |
| Officer, Director | $39.12 | 5,511 | $215,571.58 | 449,080 | 2010-12-10 | Filing |
| Officer, Director | $39.29 | 9,023 | $354,547.06 | 454,591 | 2010-12-09 | Filing |
| Officer, Director | $36.36 | 1,300 | $47,270.08 | 0 | 2010-12-02 | Filing |
| Officer, Director | $36.36 | 1,300 | $47,270.08 | 0 | 2010-12-02 | Filing |
| Officer, Director | $36.36 | 1,300 | $47,270.08 | 0 | 2010-12-02 | Filing |
| Director | $40.11 | 1,500 | $60,163.05 | 1,750 | 2010-05-12 | Filing |
| Officer | $39.90 | 500 | $19,950.00 | 23,685 | 2010-03-10 | Filing |