| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 11/28/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/28/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/28/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/28/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 4 | |
| 08/10/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 08/09/12 | 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 | |
| 07/03/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/01/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/29/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |