| Date | Owner | Type | Security | Price | Units | Value | |
|---|---|---|---|---|---|---|---|
| QVT Fund LP | S | Common Stock, $0.001 par value | |||||
| QVT Associates GP LLC | S | Common Stock, $0.001 par value | |||||
| QVT Fund LP | S | Common Stock, $0.001 par value | |||||
| QVT Associates GP LLC | S | Common Stock, $0.001 par value | |||||
| Posner Brian S | A | Stock Option (Right to Buy) |