{"schema_version":"secwatch.filing_event.v1","accession":"0001694426-22-000010","form_type":"8-K","ticker":"DK","cik":"0001694426","company_name":"Delek US Holdings, Inc.","filed_at":"2022-01-11T23:59:59+00:00","discovered_at":"2026-05-14T18:04:07.844313+00:00","generated_at":"2026-06-27T19:01:24.534639+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Delek US Holdings CAO resigns; Robert Wright appointed effective Jan 24, 2022","bullets":["Nilah Staskus resigned as SVP and CAO effective Jan 24, 2022; no disagreement with management.","Robert Wright, previously VP and Corporate Controller, appointed as CAO of Delek and Delek Logistics.","Wright joined Delek in Oct 2020; prior roles at CVR Energy and PwC (audit senior manager).","No new compensatory arrangements have been entered into with Wright in connection with his appointment."],"urls":{"canonical":"https://secwatch.observer/filing/0001694426-22-000010","json":"https://secwatch.observer/filing/0001694426-22-000010.json","markdown":"https://secwatch.observer/filing/0001694426-22-000010.md","text":"https://secwatch.observer/filing/0001694426-22-000010.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1694426/000169442622000010/0001694426-22-000010-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1694426/000169442622000010/dk-20220105.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-27T19:01:24.534639+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":"aca17f0a6c","claim":"Robert Wright was appointed as principal accounting officer at Delek US Holdings, Inc..","evidence_excerpt":"Robert Wright, Delek's Vice President and Corporate Controller, will replace Ms. Staskus as the principal accounting officer of Delek and Delek Logistics, effective as of January 24, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1694426/000169442622000010/0001694426-22-000010-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"principal accounting officer"}],"fact_type":"executive_change"},{"claim_id":"c8f15880af","claim":"Nilah Staskus resigned as Senior Vice President and Chief Accounting Officer at Delek US Holdings, Inc..","evidence_excerpt":"On January 5, 2022, Nilah Staskus tendered her resignation as the Senior Vice President and Chief Accounting Officer of Delek US Holdings, Inc. (\"Delek\") and its subsidiaries, including Delek Logistics Partners, LP (\"Delek Logistics\"), effective as of January 24, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1694426/000169442622000010/0001694426-22-000010-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Senior Vice President and Chief Accounting Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}