Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $36.99 | 300 | Director | 8,785 | 2012-08-06 | Filing |
| $36.52 | 400 | Director | 8,485 | 2012-08-06 | Filing |
| $37.25 | 5,000 | Director | 8,585 | 2012-08-06 | Filing |
| $51.31 | 875 | Officer | 6,103 | 2012-05-29 | Filing |
| $51.23 | 95 | Officer | 5,228 | 2012-05-29 | Filing |
| $65.52 | 15,000 | Officer | 21,106 | 2012-02-24 | Filing |
| $84.50 | 775 | Officer | 9,306 | 2011-08-15 | Filing |
| $84.52 | 200 | Officer | 8,531 | 2011-08-15 | Filing |
| $84.53 | 200 | Officer | 8,331 | 2011-08-15 | Filing |
| $75.00 | 10,000 | Director | 25,473 | 2011-08-10 | Filing |
| $74.10 | 800 | Officer, Director | 4,249 | 2011-08-09 | Filing |
| $74.08 | 600 | Officer, Director | 3,449 | 2011-08-09 | Filing |
| $73.00 | 1,375 | Officer | 18,095 | 2011-08-09 | Filing |
| $71.50 | 420 | Officer | 5,257 | 2011-08-09 | Filing |
| $73.21 | 1,050 | Officer | 18,609 | 2011-08-09 | Filing |
| $74.99 | 1,400 | Officer | 3,858 | 2011-08-08 | Filing |
| $74.75 | 10,000 | Director | 15,473 | 2011-08-08 | Filing |
| $71.39 | 3,000 | Director | 6,022 | 2011-08-08 | Filing |
| $138.69 | 1,500 | Director | 3,022 | 2011-05-02 | Filing |
| $18.00 | 2,000 | Director | 3,000 | 2009-03-10 | Filing |