{"schema_version":"secwatch.filing_event.v1","accession":"0001915657-23-000077","form_type":"8-K","ticker":"DINO","cik":"0001915657","company_name":"HF Sinclair Corp","filed_at":"2023-11-03T23:59:59+00:00","discovered_at":"2026-05-14T18:03:31.393336+00:00","generated_at":"2026-06-08T22:45:36.986669+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"HF Sinclair EVP Michael C. Jennings resigns as officer effective Nov 9; moves to consultant role","bullets":["Michael C. Jennings resigns as EVP, Corporate effective November 9, 2023.","Jennings had previously retired as CEO on May 8, 2023; served as EVP since then.","Effective Nov 10, he becomes a consultant under the Feb 15, 2023 Successor Transition Agreement.","No replacement named; board and management structure continue with existing leadership."],"urls":{"canonical":"https://secwatch.observer/filing/0001915657-23-000077","json":"https://secwatch.observer/filing/0001915657-23-000077.json","markdown":"https://secwatch.observer/filing/0001915657-23-000077.md","text":"https://secwatch.observer/filing/0001915657-23-000077.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1915657/000191565723000077/0001915657-23-000077-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1915657/000191565723000077/dino-20231103.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-08T22:45:36.986669+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":"3c6ba304ef","claim":"Michael C. Jennings resigned as Executive Vice President, Corporate at HF Sinclair Corp.","evidence_excerpt":"On November 2, 2023, Michael C. Jennings delivered to the Board of Directors (the “ Board ”) of HF Sinclair Corporation (the “ Corporation ”) his resignation as an officer of the Corporation effective November 9, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1915657/000191565723000077/0001915657-23-000077-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Executive Vice President, Corporate"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}