| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| RAE | Director | Jun 16, 2011 | Sale | $2.25 | 40,000 | 90,000 | 0 | Jun 17, 2011, 09:33 AM |
| HBE | Director | Dec 15, 2010 | Option Exercise | $8.20 | 14,000 | 114,800 | 0 | Dec 17, 2010, 09:07 PM |
| HBE | Director | Nov 12, 2010 | Option Exercise | $5.10 | 14,000 | 71,380 | 14,000 | Nov 16, 2010, 06:15 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| RAE | Director | Jun 16, 2011 | Sale | 90,000 |
| HBE | Director | Dec 15, 2010 | Option Exercise | 114,800 |
| HBE | Director | Nov 12, 2010 | Option Exercise | 71,380 |