| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/01/13 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 12/14/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/14/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/14/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/07/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/30/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/30/12 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 10/11/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/11/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/11/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |