{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-23-027169","form_type":"8-K","ticker":"UNP","cik":"0000100885","company_name":"UNION PACIFIC CORP","filed_at":"2023-09-29T23:59:59+00:00","discovered_at":"2026-05-14T18:03:32.850579+00:00","generated_at":"2026-06-10T06:45:06.620353+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Union Pacific director Jose H. Villarreal retires; committee chairs appointed","bullets":["Villarreal retires effective Oct 1, 2023, after 14 years; no disagreement with company.","Jane H. Lute to chair new Safety and Service Quality Committee.","Simons, Wiehoff, DeLaney appointed to Safety and Service Quality Committee.","Simons appointed to Compensation and Benefits; Wiehoff to Audit Committee."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-23-027169","json":"https://secwatch.observer/filing/0001437749-23-027169.json","markdown":"https://secwatch.observer/filing/0001437749-23-027169.md","text":"https://secwatch.observer/filing/0001437749-23-027169.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/100885/000143774923027169/0001437749-23-027169-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/100885/000143774923027169/unp20230926_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-10T06:45:06.620353+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":"2e71da5fc3","claim":"Jose H. Villarreal retired as Director at UNION PACIFIC CORP.","evidence_excerpt":"On September 28, 2023, the Board of Directors (the Board) of Union Pacific Corporation (Company) accepted the request of Director Jose H. Villarreal to retire from his service on the Board.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/100885/000143774923027169/0001437749-23-027169-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"retired"},{"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"}