| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 07/09/12 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 06/08/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/08/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/08/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/08/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/05/12 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 02/29/12 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 02/27/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/27/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/27/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |