| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/06/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/06/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/06/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/06/13 | 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 | 1 | |
| 12/03/12 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 07/10/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/09/12 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 05/30/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/25/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |