| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/10/13 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 04/10/13 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 2 | |
| 04/10/13 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 06/03/10 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 2 | |
| 06/03/10 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 06/03/10 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 2 | |
| 06/03/10 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 06/24/08 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 06/24/08 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 04/03/07 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 |