| Filing Date | Form | Description | Filing Group | Downloads |
| 04.14.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |  |  |  |  |
| 04.14.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |
| 04.14.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |
| 04.13.06 | 8-K | Report of unscheduled material events or corporate event | Current Reports | |  | | |
| 04.12.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |
| 04.12.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |
| 04.12.06 | DEF 14A | Official notification to shareholders of matters to be brought to a vote ("Proxy") | Proxy Filings | | | | |
| 04.10.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |
| 04.10.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |
| 04.07.06 | SC TO-I/A | Amendment to a previously filed SC TO-I | Other | | | | |