Corporate Governance Board of Directors Management Team Sustainability Financials Quarterly Results SEC Filings Stock Senior Notes Common Stock Warrants Tax Documents Dividends Press Releases Events and Presentations Company Reports Annual Reports Sustainability Reports Climate-Related Analysis Reports Contact SEC Filings Home / Investors / Financials / SEC Filings NASDAQ: CHKOTCPK: CHKAQYearTrailing 12-MonthsCalendar Year 2024Calendar Year 2023Calendar Year 2022Calendar Year 2021Calendar Year 2020Calendar Year 2019Calendar Year 2018Calendar Year 2017Calendar Year 2016Calendar Year 2015Calendar Year 2014Calendar Year 2013Calendar Year 2012Calendar Year 2011Calendar Year 2010Calendar Year 2009Calendar Year 2008Calendar Year 2007Calendar Year 2006Calendar Year 2005Calendar Year 2004Calendar Year 2003Calendar Year 2002Calendar Year 2001Calendar Year 2000Calendar Year 1999Calendar Year 1998Calendar Year 1997Calendar Year 1996Calendar Year 1995ViewAll FilingsAnnual FilingsQuarterly FilingsCurrent FilingsRegistration StatementsSection 16Mergers & AcquisitionsProxy & Information StatementsOtherFormDescriptionDateFormat11-KAn annual report of employee stock purchase, savings and similar plansJun 27, 2002Open An annual report of employee stock purchase, savings and similar plans in HTML.Open An annual report of employee stock purchase, savings and similar plans in DOC file.Open An annual report of employee stock purchase, savings and similar plans in PDF file.Open An annual report of employee stock purchase, savings and similar plans in XLS file.ARSAn annual report to security holders.May 20, 2002Open An annual report to security holders. in HTML.Open An annual report to security holders. in DOC file.Open An annual report to security holders. in PDF file.Open An annual report to security holders. in XLS file.10-KAnnual report which provides a comprehensive overview of the company for the past yearMar 28, 2002Open 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.
