| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/14/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/14/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/06/13 | 3 | Form 3: Initial statement of beneficial ownership of securities | 3 | |
| 10/19/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 08/16/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 08/07/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 08/07/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 08/01/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/04/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/04/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |