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The reporting person undertakes to provide to Diamondback Energy, Inc., any security holder of Diamondback Energy, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":24571,"source":{"system":"sec-edgar","filing":"0001539838-26-000087","document":"wk-form4_1779221361.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2012976/000153983826000087/wk-form4_1779221361.xml","form_type":"4"}},{"id":838544,"issuer":{"id":1866,"kind":"organization","name":"Diamondback Energy, Inc.","symbol":"FANG"},"owners":[{"id":46030,"kind":"person","name":"Barkmann Albert","position":1,"cik":"0002012976","reported_name":"Barkmann Albert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Exec. 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