| Filing Date | Form | Description | Filing Group | Downloads |
| 03.27.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |  |  |  |  |
| 03.27.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |
| 03.27.06 | SC TO-I/A | Amendment to a previously filed SC TO-I | Other | |  | | |
| 03.23.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |
| 03.23.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |
| 03.21.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |
| 03.21.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |
| 03.17.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |
| 03.13.06 | SC TO-I/A | Amendment to a previously filed SC TO-I | Other | | | | |
| 03.07.06 | SC TO-I/A | Amendment to a previously filed SC TO-I | Other | | | | |