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NASDAQ: CHKOTCPK: CHKAQ
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FormDescriptionDateFormat
10-K/AAmendment to a previously filed 10-KOct 28, 1996Open Amendment to a previously filed 10-K in HTML.Open Amendment to a previously filed 10-K in DOC file.Open Amendment to a previously filed 10-K in PDF file.Open Amendment to a previously filed 10-K in XLS file.
10-KAnnual report which provides a comprehensive overview of the company for the past yearSep 30, 1996Open Annual report which provides a comprehensive overview of the company for the past year in HTML.Open Annual report which provides a comprehensive overview of the company for the past year in DOC file.Open Annual report which provides a comprehensive overview of the company for the past year in PDF file.Open Annual report which provides a comprehensive overview of the company for the past year in XLS file.
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