UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q Title of Each Class Trading Symbol(s) Name of Each Exchange on Which Registered Common Stock, par value $0.01 CHK New York Stock Exchange 6.625% Senior Notes due 2020 CHK20A New York Stock Exchange 6.875% Senior Notes due 2020 CHK20 New York Stock Exchange 6.125% Senior Notes due 2021 CHK21 New York Stock Exchange 5.375% Senior Notes due 2021 CHK21A New York Stock Exchange 4.875% Senior Notes due 2022 CHK22 New York Stock Exch ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q Title of Each Class Trading Symbol(s) Name of Each Exchange on Which Registered Common Stock, par value $0.01 CHK New York Stock Exchange 6.625% Senior Notes due 2020 CHK20A New York Stock Exchange 6.875% Senior Notes due 2020 CHK20 New York Stock Exchange 6.125% Senior Notes due 2021 CHK21 New York Stock Exchange 5.375% Senior Notes due 2021 CHK21A New York Stock Exchange 4.875% Senior Notes due 2022 CHK22 New York Stock Exch ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Securities Registered Pursuant to Section 12(b) of the Act: FORM 10-Q [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended March 31, 2019 [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 1-13726 CHESAPEAKE ENERGY CORPORATION (Exact name of registrant as specified in its c ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K [X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2018 [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 1-13726 CHESAPEAKE ENERGY CORPORATION (Exact name of registrant as specified in its charter) Oklahoma 73-1395733 (State or other jurisdiction of incor ...