| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/25/07 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/05/07 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 04/05/07 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 03/16/07 | 3/A | Form 3/A: Initial statement of beneficial ownership of securities | 1 | |
| 01/24/07 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/24/07 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/19/07 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/18/06 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/20/06 | 3 | Form 3: Initial statement of beneficial ownership of securities | 3 | |
| 11/14/06 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |