Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $49.92 | 585 | Officer | 103,833 | 2013-06-19 | Filing |
| $35.52 | 28,200 | Director | 28,200 | 2012-11-26 | Filing |
| $36.07 | 1,000 | Director | 5,187 | 2012-11-20 | Filing |
| $36.25 | 6,850 | Director | 33,709 | 2012-11-08 | Filing |
| $4.15 | 25,000 | Director | 25,000 | 2010-11-29 | Filing |
| $4.30 | 98 | Officer | 7,530,850 | 2010-11-18 | Filing |
| $4.29 | 162,100 | Officer | 7,530,752 | 2010-11-18 | Filing |
| $4.30 | 380,000 | Officer | 7,368,652 | 2010-11-18 | Filing |
| $4.25 | 5,500 | Officer | 5,500 | 2010-11-04 | Filing |
| $46.56 | 600 | Director | 600 | 2006-01-20 | Filing |
| $5.25 | 5,000 | Director | 17,000 | 2009-08-28 | Filing |
| $5.17 | 12,000 | Director | 12,000 | 2009-08-28 | Filing |
| $4.00 | 100,000 | Director | 120,317 | 2009-08-17 | Filing |
| $3.78 | 2,301 | Director | 96,298 | 2009-08-06 | Filing |
| $3.77 | 13,517 | Director | 93,997 | 2009-08-06 | Filing |
| $3.41 | 1,000,000 | Officer | 1,000,000 | 2009-08-05 | Filing |
| $3.21 | 1,000,000 | Officer | 3,427,313 | 2009-08-04 | Filing |
| $1.45 | 65,000 | Officer | 272,427 | 2009-03-02 | Filing |
| $1.26 | 100,000 | Officer | 769,160 | 2009-03-03 | Filing |
| $1.24 | 1,500,000 | Officer | 2,427,313 | 2009-03-03 | Filing |