Diamondback Energy(FANG) - 2018 Q4 - Annual Report

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ý ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 OR ¨ TRANSITION REPORT UNDER SECTION 13 OR 15(d) OF SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35700 Diamondback Energy, Inc. (Exact Name of Registrant As Specified in Its Charter) Delaware 45-4502447 (State or Other Jurisdiction of Incorporation or Organization) (IRS Em ...