| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/10/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/10/13 | 3/A | Form 3/A: Initial statement of beneficial ownership of securities | 2 | |
| 04/10/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/10/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/05/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/05/13 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 02/28/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/28/13 | 3/A | Form 3/A: Initial statement of beneficial ownership of securities | 2 | |
| 12/13/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/06/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |