| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 11/09/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/02/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/09/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/28/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/28/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/28/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/28/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/28/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/24/12 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 09/20/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |