| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/10/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/10/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/10/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/10/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/10/13 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 05/02/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/19/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/07/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/27/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/19/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |