| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/03/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/23/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/16/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 09/07/12 | 5/A | Form 5/A: Annual statement of changes in beneficial ownership of securities | 1 | |
| 09/07/12 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 03/22/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/22/12 | 3/A | Form 3/A: Initial statement of beneficial ownership of securities | 2 | |
| 03/22/12 | 3/A | Form 3/A: Initial statement of beneficial ownership of securities | 2 | |
| 03/22/12 | 3/A | Form 3/A: Initial statement of beneficial ownership of securities | 2 | |
| 03/22/12 | 3/A | Form 3/A: Initial statement of beneficial ownership of securities | 2 |