{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-26-050235","form_type":"8-K","ticker":"DINO","cik":"0001915657","company_name":"HF Sinclair Corp","filed_at":"2026-07-28T21:11:49+00:00","discovered_at":"2026-07-28T21:14:00.291722+00:00","generated_at":"2026-07-28T21:14:10.759274+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"HF Sinclair EVP & General Counsel Eric Nitcher to retire effective July 31, 2026","bullets":["Eric Nitcher notified Board of his retirement from executive officer role, effective July 31, 2026.","He will remain an employee through end of 2026 to assist with transition in an advisory capacity.","Successor for EVP, General Counsel will be named at a later date.","Retirement not the result of any disagreement with the Corporation or its Board."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-26-050235","json":"https://secwatch.observer/filing/0001628280-26-050235.json","markdown":"https://secwatch.observer/filing/0001628280-26-050235.md","text":"https://secwatch.observer/filing/0001628280-26-050235.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1915657/000162828026050235/0001628280-26-050235-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1915657/000162828026050235/dino-20260728.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-07-28T21:14:10.759274+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"}