| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 01/23/14 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 01/23/14 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 01/22/14 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 03/07/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/13/11 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 01/12/11 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/04/11 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/04/11 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/09/10 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/23/10 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |