{"schema_version":"secwatch.filing_event.v1","accession":"0001520006-22-000090","form_type":"8-K","ticker":"MTDR","cik":"0001520006","company_name":"Matador Resources Co","filed_at":"2022-04-04T23:59:59+00:00","discovered_at":"2026-05-14T18:04:01.004496+00:00","generated_at":"2026-06-26T09:47:07.910141+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Matador Resources President and CFO retire; three new officers appointed effective March 31, 2022","bullets":["Matthew Hairford retired as President, David Lancaster retired as EVP and CFO; both become Special Advisors to the Board and Executive Committee.","Advisor agreements for Hairford and Lancaster: $250,000 annual retainer, continued equity vesting, term through Dec 31, 2023 with month-to-month extension.","Billy E. Goodwin appointed President – Operations; Van H. Singleton, II appointed President – Land, A&D and Planning; Michael D. Frenzel appointed Principal Financial Officer.","Frenzel previously Senior VP and Treasurer; Goodwin was EVP/COO Drilling, Completions & Production; Singleton was EVP of Land."],"urls":{"canonical":"https://secwatch.observer/filing/0001520006-22-000090","json":"https://secwatch.observer/filing/0001520006-22-000090.json","markdown":"https://secwatch.observer/filing/0001520006-22-000090.md","text":"https://secwatch.observer/filing/0001520006-22-000090.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1520006/000152000622000090/0001520006-22-000090-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1520006/000152000622000090/mtdr-20220331.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-26T09:47:07.910141+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"28e5f2169c","claim":"Matthew V. Hairford retired as President at Matador Resources Co.","evidence_excerpt":"Matthew V. Hairford retired as President of Matador Resources Company (the \"Company\") and David E. Lancaster retired as Executive Vice President and Chief Financial Officer of the Company, in each case effective on March 31, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1520006/000152000622000090/0001520006-22-000090-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retired"},{"label":"Role","value":"President"}],"fact_type":"executive_change"},{"claim_id":"4c1eb56fd2","claim":"Van H. Singleton, II was appointed as President – Land, A&D and Planning at Matador Resources Co.","evidence_excerpt":"and (ii) Van H. Singleton, II, age 44, who was the Company’s Executive Vice President of Land, to President – Land, A&D and Planning.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1520006/000152000622000090/0001520006-22-000090-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"President – Land, A&D and Planning"}],"fact_type":"executive_change"},{"claim_id":"9179cb4eb1","claim":"Michael D. Frenzel was appointed as Principal Financial Officer at Matador Resources Co.","evidence_excerpt":"the Company’s Board of Directors appointed Michael D. Frenzel, age 40, the Company’s Senior Vice President and Treasurer, to succeed Mr. Lancaster as Principal Financial Officer, effective March 31, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1520006/000152000622000090/0001520006-22-000090-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Principal Financial Officer"}],"fact_type":"executive_change"},{"claim_id":"ab97de5ebb","claim":"Billy E. Goodwin was appointed as President – Operations at Matador Resources Co.","evidence_excerpt":"the Company’s Board of Directors appointed the following executive officers, effective March 31, 2022, to succeed Mr. Hairford as President of the Company: (i) Billy E. Goodwin, age 64, who was the Company’s Executive Vice President and Chief Operating Officer—Drilling, Completions & Production, to President – Operations","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1520006/000152000622000090/0001520006-22-000090-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"President – Operations"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}