| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/28/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/26/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/20/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/18/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/12/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/12/12 | 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 | |
| 09/27/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/21/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/19/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |