{"schema_version":"secwatch.filing_event.v1","accession":"0001520006-26-000008","form_type":"8-K","ticker":"MTDR","cik":"0001520006","company_name":"Matador Resources Co","filed_at":"2026-04-27T23:59:59+00:00","discovered_at":"2026-05-14T18:02:32.409892+00:00","generated_at":"2026-05-15T03:49:32.558698+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Matador Resources promotes Calvert to CFO, Stetson to COO effective April 21","bullets":["Christopher P. Calvert promoted to EVP and CFO; previously EVP and COO.","Glenn W. Stetson promoted to EVP and COO; previously EVP – Production.","Robert T. Macalik ceased as CFO on April 21; departure not related to any accounting or operational disagreement.","Both Calvert and Stetson have been key members of Matador since 2014 and have over ten years with the company."],"urls":{"canonical":"https://secwatch.observer/filing/0001520006-26-000008","json":"https://secwatch.observer/filing/0001520006-26-000008.json","markdown":"https://secwatch.observer/filing/0001520006-26-000008.md","text":"https://secwatch.observer/filing/0001520006-26-000008.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1520006/000152000626000008/0001520006-26-000008-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1520006/000152000626000008/mtdr-20260421.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T03:49:32.558698+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}