{"schema_version":"secwatch.filing_event.v1","accession":"0001520006-25-000210","form_type":"8-K","ticker":"MTDR","cik":"0001520006","company_name":"Matador Resources Co","filed_at":"2025-09-30T23:59:59+00:00","discovered_at":"2026-05-14T18:02:44.206132+00:00","generated_at":"2026-05-17T05:15:28.350692+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Matador Resources promotes Robert T. Macalik to CFO, effective Sept 29, 2025","bullets":["Robert T. Macalik promoted to EVP & CFO of Matador Resources, effective Sept 29, 2025.","Macalik retains role as CFO of San Mateo Midstream, Matador's midstream joint venture.","William D. Lambert stepped down as CFO on Sept 24, 2025; departure not related to any accounting dispute.","Macalik, a CPA, joined Matador in 2015; previously VP & CAO, then EVP Administration and Finance.","Prior to Matador, Macalik worked at Pioneer Natural Resources and PwC."],"urls":{"canonical":"https://secwatch.observer/filing/0001520006-25-000210","json":"https://secwatch.observer/filing/0001520006-25-000210.json","markdown":"https://secwatch.observer/filing/0001520006-25-000210.md","text":"https://secwatch.observer/filing/0001520006-25-000210.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1520006/000152000625000210/0001520006-25-000210-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1520006/000152000625000210/mtdr-20250924.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T05:15:28.350692+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"}