| Date | Insider | Shares | Type | Transaction | Value* |
| 1-Oct-09 | HASNAIN FAHEEM Officer | 8,937 | Direct | Disposition (Non Open Market) at $17.37 per share. | $155,235 |
| 21-Sep-09 | LLANA TED Officer | 15,000 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 14-Sep-09 | SARENA FRANCIS WILLARD Officer | 1,182 | Direct | Disposition (Non Open Market) at $16.34 per share. | $19,313 |
| 14-Sep-09 | CROSS HERB Officer | 1,379 | Direct | Disposition (Non Open Market) at $16.34 per share. | $22,532 |
| 8-Sep-09 | BVF PARTNERS L P/IL Beneficial Owner (10% or more) | 2,036,000 | Indirect | Statement of Ownership | N/A |
| 5-Sep-09 | HUH HOYOUNG Director | 8,333 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 4-Sep-09 | BAUPOST GROUP LLC/MA Beneficial Owner (10% or more) | 867,532 | Indirect | Sale at $15.39 - $15.5 per share. | $13,399,0002 |
| 20-Aug-09 | ROLFE MARK Officer | 21,333 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 6-Aug-09 | LLANA TED Officer | 8,896 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 6-Aug-09 | HORA MANINDER Officer | 5,325 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 6-Aug-09 | SARENA FRANCIS WILLARD Officer | 6,923 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 6-Aug-09 | HASNAIN FAHEEM Officer | 27,667 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 6-Aug-09 | GUGGENHIME ANDREW Officer | 15,251 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 6-Aug-09 | CROSS HERB Officer | 4,500 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 24-Jul-09 | HORA MANINDER Officer | 492 | Direct | Disposition (Non Open Market) at $8.28 per share. | $4,073 |
| 26-May-09 | PARKINSON DAVID ROSS Director | 2,500 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 26-May-09 | GOODWIN BRADFORD S Director | 3,334 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 26-May-09 | EMSTER KURT VON Director | 1,667 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 26-May-09 | LYONS GARY A Director | 2,500 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 8-Apr-09 | BAUPOST GROUP LLC/MA Beneficial Owner (10% or more) | 4,374,407 | Indirect | Statement of Ownership | N/A |
| 3-Apr-09 | GUGGENHIME ANDREW Officer | 1,478 | Direct | Disposition (Non Open Market) at $9.79 per share. | $14,469 |
| 23-Feb-09 | EMSTER KURT VON Director | 8,333 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 21-Feb-09 | MCCAMISH MARK ANTHONY Officer | 1,780 | Direct | Disposition (Non Open Market) at $6.56 per share. | $11,676 |
| 31-Jan-09 | SARENA FRANCIS WILLARD Officer | 474 | Direct | Disposition (Non Open Market) at $6.08 per share. | $2,881 |
| 23-Jan-09 | MCCAMISH MARK ANTHONY Officer | 12,405 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 23-Jan-09 | CROSS HERB Officer | 237 | Direct | Disposition (Non Open Market) at $6.17 per share. | $1,462 |
| 23-Jan-09 | CROSS HERB Officer | 15,064 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 23-Jan-09 | LLANA TED Officer | 21,330 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 23-Jan-09 | PARKINSON DAVID ROSS Director | 8,333 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 23-Jan-09 | HORA MANINDER Officer | 13,406 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 23-Jan-09 | SARENA FRANCIS WILLARD Officer | 18,366 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 23-Jan-09 | HASNAIN FAHEEM Officer | 100,000 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 23-Jan-09 | GOODWIN BRADFORD S Director | 10,000 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 23-Jan-09 | GUGGENHIME ANDREW Officer | 29,600 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 23-Jan-09 | LYONS GARY A Director | 8,333 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 9-Dec-08 | SHAH JAISIM Officer | 2,127 | Direct | Statement of Ownership | N/A |
| 9-Dec-08 | HORA MANINDER Officer | 681 | Direct | Statement of Ownership | N/A |
| 9-Dec-08 | SARENA FRANCIS WILLARD Officer | 451 | Direct | Statement of Ownership | N/A |
| 9-Dec-08 | MCCAMISH MARK ANTHONY Officer | 2,575 | Direct | Statement of Ownership | N/A |
| 9-Dec-08 | GUGGENHIME ANDREW Officer | 2,616 | Direct | Statement of Ownership | N/A |
| 9-Dec-08 | CROSS HERB Officer | 456 | Direct | Statement of Ownership | N/A |