| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 06/05/13 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 03/21/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/03/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/09/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/09/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/03/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/21/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/12/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/03/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/27/11 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |