| HOEKSEMA TIMOTHY E |
| director, officer: Chairman, President and CEO |
| D-Return |
| Disposed |
| 72,000 |
| $3.36 |
| 1 Feb 2008 | HOEKSEMA TIMOTHY E | director, officer: Chairman, President and CEO | D-Return | Disposed | 72,000 | $4.21 |
| 1 Feb 2008 | HOEKSEMA TIMOTHY E | director, officer: Chairman, President and CEO | D-Return | Disposed | 36,000 | $2.82 |
| 1 Feb 2008 | HOEKSEMA TIMOTHY E | director, officer: Chairman, President and CEO | D-Return | Disposed | 100,000 | $5.16 |
| 1 Feb 2008 | HOEKSEMA TIMOTHY E | director, officer: Chairman, President and CEO | D-Return | Disposed | 75,000 | $13.84 |
| 1 Feb 2008 | ERICKSON JEFFREY H | director | D-Return | Disposed | 6,949 | $17.00 |