| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/13/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/13/13 | 3 | Form 3: Initial statement of beneficial ownership of securities | 3 | |
| 02/13/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/13/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/13/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/13/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/10/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/04/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/13/12 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 2 | |
| 09/11/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |
