{"schema_version":"secwatch.filing_event.v1","accession":"0001694426-24-000011","form_type":"8-K","ticker":"DK","cik":"0001694426","company_name":"Delek US Holdings, Inc.","filed_at":"2024-01-18T23:59:59+00:00","discovered_at":"2026-05-14T18:03:25.149100+00:00","generated_at":"2026-06-06T21:58:34.846613+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Delek US appoints Christine Benson Schwartzstein as independent director","bullets":["Appointment effective Jan 16, 2024; will stand for election at May 2, 2024 annual meeting.","Board expands to 10 directors, 8 of whom are independent.","Schwartzstein has 20 years in risk management, capital markets, green energies.","Previously Managing Director at Goldman Sachs; currently director at Apollo Infrastructure and Talen Energy.","No arrangements or transactions under Item 404(a) related to her selection."],"urls":{"canonical":"https://secwatch.observer/filing/0001694426-24-000011","json":"https://secwatch.observer/filing/0001694426-24-000011.json","markdown":"https://secwatch.observer/filing/0001694426-24-000011.md","text":"https://secwatch.observer/filing/0001694426-24-000011.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1694426/000169442624000011/0001694426-24-000011-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1694426/000169442624000011/dk-20240116.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-06T21:58:34.846613+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":"c6ea68dad0","claim":"Christine Benson Schwartzstein was appointed as independent director at Delek US Holdings, Inc..","evidence_excerpt":"On January 16, 2024, Christine Benson Schwartzstein was appointed to the Board of Directors (the \"Board\") of Delek US Holdings, Inc. (the \"Company\" or \"Delek US\") as an independent director, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1694426/000169442624000011/0001694426-24-000011-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"independent director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}