| SC 13E4/A | Amendment to a previously filed SC 13E4 | Dec 2, 1997 |  Open Amendment to a previously filed SC 13E4 in HTML. Open Amendment to a previously filed SC 13E4 in DOC file. Open Amendment to a previously filed SC 13E4 in PDF file. Open Amendment to a previously filed SC 13E4 in XLS file. |
| SC 13E4 | Issuer tender offer statement | Nov 26, 1997 | Open Issuer tender offer statement in HTML.Open Issuer tender offer statement in DOC file.Open Issuer tender offer statement in PDF file.Open Issuer tender offer statement in XLS file. |
| SC 13G | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | May 15, 1997 | Open Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions in HTML.Open Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions in DOC file.Open Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions in PDF file.Open Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions in XLS file. |