Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $37.78 | 2,100 | Large Shareholder | 920,300 | 2011-10-27 | Filing |
| $38.01 | 5,000 | Officer | 56,000 | 2011-10-27 | Filing |
| $38.31 | 500 | Director | 3,250 | 2011-10-27 | Filing |
| $34.50 | 500 | Director | 3,750 | 2011-09-07 | Filing |
| $39.32 | 1,000 | Officer | 44,784 | 2011-07-26 | Filing |
| $39.54 | 3,105 | Officer | 45,784 | 2011-07-25 | Filing |
| $39.50 | 500 | Director | 4,250 | 2011-07-26 | Filing |
| $39.40 | 1,000 | Officer | 44,784 | 2011-07-26 | Filing |
| $39.54 | 3,105 | Officer | 45,784 | 2011-07-25 | Filing |
| $40.20 | 500 | Officer, Director | 718,172 | 2011-07-22 | Filing |
| $40.18 | 5,432 | Officer, Director | 718,672 | 2011-07-21 | Filing |
| $40.14 | 5,500 | Officer, Director | 724,104 | 2011-07-20 | Filing |
| $37.73 | 3,000 | Director | 3,000 | 2011-04-26 | Filing |
| $40.84 | 1,600 | Large Shareholder, Officer, Director | 829,604 | 2011-04-07 | Filing |
| $40.55 | 1,986 | Large Shareholder, Officer, Director | 831,204 | 2011-04-06 | Filing |
| $40.59 | 9,828 | Large Shareholder, Officer, Director | 833,190 | 2011-04-04 | Filing |
| $40.46 | 3,607 | Large Shareholder, Officer, Director | 843,018 | 2011-04-01 | Filing |
| $40.15 | 11,962 | Large Shareholder, Officer, Director | 846,625 | 2011-03-31 | Filing |
| $40.19 | 3,600 | Large Shareholder, Officer, Director | 858,587 | 2011-03-29 | Filing |
| $40.24 | 5,109 | Large Shareholder, Officer, Director | 862,187 | 2011-03-28 | Filing |