UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington...
OKLAHOMA CITY, April 20, 2020 (GLOBE NEWSWIRE) -- Chaparral Energy, Inc. (NYSE: CHAP) (“Chaparral” or “the...
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ...
FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction...
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form...
OKLAHOMA CITY, March 11, 2020 (GLOBE NEWSWIRE) -- Chaparral Energy, Inc. (NYSE: CHAP), (the “Company” or...
OKLAHOMA CITY, March 05, 2020 (GLOBE NEWSWIRE) -- Chaparral Energy, Inc. (NYSE: CHAP) (the “Company”...
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