| Filing Date | Form | Description | Filing Group | | 02/09/10 | SC 13G | A statement of beneficial ownership of common stock by certain persons | Other |
| | 02/05/10 | 8-K | Report of unscheduled material events or corporate event | Current Reports |
| | 01/29/10 | SC 13G | A statement of beneficial ownership of common stock by certain persons | Other |
| | 01/13/10 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
| | 01/13/10 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
| | 01/13/10 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
| | 01/13/10 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
| | 01/13/10 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
| | 01/13/10 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
| | 01/13/10 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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