| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/13/12 | 3 | Form 3: Statement of changes in beneficial ownership of securities | 2 | |
| 02/07/12 | 3 | Form 3: Statement of changes in beneficial ownership of securities | 2 | |
| 01/13/12 | 3 | Form 3: Statement of changes in beneficial ownership of securities | 2 | |
| 04/03/08 | 3 | Form 3: Statement of changes in beneficial ownership of securities | 2 | |
| 07/31/07 | 3 | Form 3: Statement of changes in beneficial ownership of securities | 1 | |
| 02/27/07 | 3 | Form 3: Statement of changes in beneficial ownership of securities | 2 | |
| 02/22/07 | 3 | Form 3: Statement of changes in beneficial ownership of securities | 2 | |
| 03/07/06 | 3 | Form 3: Statement of changes in beneficial ownership of securities | 2 | |
| 03/07/06 | 3 | Form 3: Statement of changes in beneficial ownership of securities | 2 | |
| 03/25/04 | 3 | Form 3: Statement of changes in beneficial ownership of securities | 2 |