{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-23-003966","form_type":"8-K","ticker":"UNP","cik":"0000100885","company_name":"UNION PACIFIC CORP","filed_at":"2023-02-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:43.462435+00:00","generated_at":"2026-06-19T06:14:22.539844+00:00","sec_items":["8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Union Pacific issues $1B in notes: $500M 4.750% due 2026, $500M 4.950% due 2053","bullets":["Issued $500M of 4.750% Notes due 2026 and $500M of 4.950% Notes due 2053.","Underwriters include Barclays, Citigroup, J.P. Morgan, and Morgan Stanley.","Notes issued under indenture dated April 1, 1999 with Bank of New York Mellon as trustee."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-23-003966","json":"https://secwatch.observer/filing/0001437749-23-003966.json","markdown":"https://secwatch.observer/filing/0001437749-23-003966.md","text":"https://secwatch.observer/filing/0001437749-23-003966.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/100885/000143774923003966/0001437749-23-003966-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/100885/000143774923003966/unp20230217b_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-19T06:14:22.539844+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}