{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-040233","form_type":"8-K","ticker":"DINO","cik":"0001915657","company_name":"HF Sinclair Corp","filed_at":"2023-02-15T23:59:59+00:00","discovered_at":"2026-05-14T18:03:47.442778+00:00","generated_at":"2026-06-19T12:16:03.329858+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":"HF Sinclair names Tim Go CEO effective May 9, 2023, succeeding retiring Michael Jennings","bullets":["Tim Go promoted to CEO and President effective May 9, 2023; he previously served as COO.","Michael Jennings retires as CEO on May 8, 2023, then EVP Corporate until Nov 9, 2023, then consultant through Feb 9, 2024.","Go's base salary raised to $1.1M, annual incentive target to 150% of salary, LTI grant of $3.75M.","Jennings gets $100k/month as EVP, $1.2M prorated bonus, $50k/month consultant retainer.","Jennings will not stand for re-election to board; board size decreases to 12."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-040233","json":"https://secwatch.observer/filing/0001193125-23-040233.json","markdown":"https://secwatch.observer/filing/0001193125-23-040233.md","text":"https://secwatch.observer/filing/0001193125-23-040233.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1915657/000119312523040233/0001193125-23-040233-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1915657/000119312523040233/d440769d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-19T12:16:03.329858+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":"1ab3cada18","claim":"Tim Go was appointed as Chief Executive Officer and President at HF Sinclair Corp.","evidence_excerpt":"the Board of Directors (the “ Board ”) of HF Sinclair Corporation (the “ Corporation ”) promoted Tim Go to the position of Chief Executive Officer and President of the Corporation, effective May 9, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1915657/000119312523040233/0001193125-23-040233-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"promoted"},{"label":"Role","value":"Chief Executive Officer and President"}],"fact_type":"executive_change"},{"claim_id":"28dc119bf1","claim":"Tim Go was appointed as Director at HF Sinclair Corp.","evidence_excerpt":"Effective February 16, 2023, the Board increased the size of the Board by one to thirteen, appointed Mr. Go as a non-independent director to the Board","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1915657/000119312523040233/0001193125-23-040233-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"37f0074c37","claim":"Michael C. Jennings departed as Chief Executive Officer at HF Sinclair Corp.","evidence_excerpt":"who notified the Corporation on February 14, 2023 that he will retire from the position of Chief Executive Officer, effective May 8, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1915657/000119312523040233/0001193125-23-040233-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"retire"},{"label":"Role","value":"Chief Executive Officer"}],"fact_type":"executive_change"},{"claim_id":"6bc5b1c8fd","claim":"Michael C. Jennings was appointed as Executive Vice President, Corporate at HF Sinclair Corp.","evidence_excerpt":"the Board appointed Mr. Jennings to the position of Executive Vice President, Corporate, of the Corporation, effective May 9, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1915657/000119312523040233/0001193125-23-040233-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Executive Vice President, Corporate"}],"fact_type":"executive_change"},{"claim_id":"cbd788f373","claim":"Michael C. Jennings departed as Director at HF Sinclair Corp.","evidence_excerpt":"Mr. Jennings, who currently serves as a non-independent director on the Board, informed the Board and the Corporation on February 14, 2023 that he will not stand for re-election at the Corporation’s 2023 Annual Meeting of Stockholders, at which time Mr. Jennings’s term as director will expire","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1915657/000119312523040233/0001193125-23-040233-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"not stand for re-election"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}