Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $43.36 | 630 | Director | 18,930 | 2013-03-08 | Filing |
| $33.45 | 230 | Director | 15,300 | 2012-11-06 | Filing |
| $33.46 | 200 | Director | 15,070 | 2012-11-06 | Filing |
| $33.46 | 100 | Director | 14,870 | 2012-11-06 | Filing |
| $31.90 | 120 | Director | 14,770 | 2012-06-01 | Filing |
| $34.30 | 1,000 | Director | 7,000 | 2012-05-24 | Filing |
| $25.57 | 3,000 | Director | 29,100 | 2011-08-10 | Filing |
| $25.55 | 3,000 | Director | 26,100 | 2011-08-10 | Filing |
| $25.58 | 1,900 | Director | 23,100 | 2011-08-10 | Filing |
| $23.99 | 1,400 | Director | 11,650 | 2011-08-08 | Filing |
| $24.68 | 700 | Director | 10,250 | 2011-08-08 | Filing |
| $28.70 | 600 | Director | 9,550 | 2011-08-04 | Filing |
| $20.70 | 1,500 | Director | 29,200 | 2010-06-08 | Filing |
| $20.64 | 4,000 | Director | 27,700 | 2010-06-08 | Filing |
| $7.70 | 100,000 | Large Shareholder | 2,724,862 | 2009-04-21 | Filing |
| $7.51 | 13,700 | Large Shareholder | 2,624,862 | 2009-04-20 | Filing |
| $7.76 | 58,365 | Large Shareholder | 2,611,162 | 2009-04-17 | Filing |
| $7.29 | 50,100 | Large Shareholder | 2,552,797 | 2009-04-15 | Filing |
| $7.38 | 66,000 | Large Shareholder | 2,502,697 | 2009-04-14 | Filing |