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| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 08/16/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/16/13 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 04/19/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/19/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/07/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/21/10 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/01/09 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/18/09 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/05/09 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/06/09 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |