| Filing Date | Form | Description | Filing Group | Downloads |
| 05.01.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |  |  |  |  |
| 04.27.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |  |  |  |  |
| 04.27.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |  |  |  |  |
| 04.25.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |  |  |  |  |
| 04.25.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |  |  |  |  |
| 04.21.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |  |  |  |  |
| 04.21.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |  |  |  |  |
| 04.19.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |  |  |  |  |
| 04.19.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |  |  |  |  |
| 04.19.06 | SC TO-I/A | Amendment to a previously filed SC TO-I | Other |  |  |  |  |