{"cik":"0000100885","ticker":"UNP","name":"UNION PACIFIC CORP","sic_code":"4011","sic_description":"Railroads, Line-Haul Operating","exchange":"NYSE","state_of_incorporation":"UT","fiscal_year_end":"1231","first_filing_date":"2026-01-05","last_filing_date":"2026-09-11","url":"/sec/cik-0000100885","insider_summary":{"total_transactions":109,"unique_insiders":18,"latest_transaction":"2026-09-10"},"recent_filings":[{"accession_number":"0000100885-26-000292","form_type":"4","form_type_family":"insider","doc_date":"2026-10-01","title":"4 — UNION PACIFIC CORP — 2026-10-01","url_slug":"/sec/cik-0000100885/4/0000100885-26-000292","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000292-index.html"},{"accession_number":"0000100885-26-000291","form_type":"4","form_type_family":"insider","doc_date":"2026-10-01","title":"4 — UNION PACIFIC CORP — 2026-10-01","url_slug":"/sec/cik-0000100885/4/0000100885-26-000291","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000291-index.html"},{"accession_number":"0000100885-26-000290","form_type":"4","form_type_family":"insider","doc_date":"2026-10-01","title":"4 — UNION PACIFIC CORP — 2026-10-01","url_slug":"/sec/cik-0000100885/4/0000100885-26-000290","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000290-index.html"},{"accession_number":"0000100885-26-000289","form_type":"4","form_type_family":"insider","doc_date":"2026-10-01","title":"4 — UNION PACIFIC CORP — 2026-10-01","url_slug":"/sec/cik-0000100885/4/0000100885-26-000289","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000289-index.html"},{"accession_number":"0000100885-26-000288","form_type":"4","form_type_family":"insider","doc_date":"2026-10-01","title":"4 — UNION PACIFIC CORP — 2026-10-01","url_slug":"/sec/cik-0000100885/4/0000100885-26-000288","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000288-index.html"},{"accession_number":"0000100885-26-000286","form_type":"4","form_type_family":"insider","doc_date":"2026-10-01","title":"4 — UNION PACIFIC CORP — 2026-10-01","url_slug":"/sec/cik-0000100885/4/0000100885-26-000286","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000286-index.html"},{"accession_number":"0000100885-26-000285","form_type":"4","form_type_family":"insider","doc_date":"2026-10-01","title":"4 — UNION PACIFIC CORP — 2026-10-01","url_slug":"/sec/cik-0000100885/4/0000100885-26-000285","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000285-index.html"},{"accession_number":"0000100885-26-000284","form_type":"4","form_type_family":"insider","doc_date":"2026-10-01","title":"4 — UNION PACIFIC CORP — 2026-10-01","url_slug":"/sec/cik-0000100885/4/0000100885-26-000284","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000284-index.html"},{"accession_number":"0000100885-26-000283","form_type":"4","form_type_family":"insider","doc_date":"2026-10-01","title":"4 — UNION PACIFIC CORP — 2026-10-01","url_slug":"/sec/cik-0000100885/4/0000100885-26-000283","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000283-index.html"},{"accession_number":"0000100885-26-000272","form_type":"4","form_type_family":"insider","doc_date":"2026-09-11","title":"4 — UNION PACIFIC CORP — 2026-09-11","url_slug":"/sec/cik-0000100885/4/0000100885-26-000272","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000272-index.html"},{"accession_number":"0000100885-26-000271","form_type":"4","form_type_family":"insider","doc_date":"2026-09-11","title":"4 — UNION PACIFIC CORP — 2026-09-11","url_slug":"/sec/cik-0000100885/4/0000100885-26-000271","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000271-index.html"},{"accession_number":"0000100885-26-000270","form_type":"4","form_type_family":"insider","doc_date":"2026-09-11","title":"4 — UNION PACIFIC CORP — 2026-09-11","url_slug":"/sec/cik-0000100885/4/0000100885-26-000270","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000270-index.html"},{"accession_number":"0000100885-26-000269","form_type":"4","form_type_family":"insider","doc_date":"2026-09-11","title":"4 — UNION PACIFIC CORP — 2026-09-11","url_slug":"/sec/cik-0000100885/4/0000100885-26-000269","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000269-index.html"},{"accession_number":"0000100885-26-000268","form_type":"4","form_type_family":"insider","doc_date":"2026-09-11","title":"4 — UNION PACIFIC CORP — 2026-09-11","url_slug":"/sec/cik-0000100885/4/0000100885-26-000268","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000268-index.html"},{"accession_number":"0000100885-26-000262","form_type":"4","form_type_family":"insider","doc_date":"2026-09-04","title":"4 — UNION PACIFIC CORP — 2026-09-04","url_slug":"/sec/cik-0000100885/4/0000100885-26-000262","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000262-index.html"},{"accession_number":"0000100885-26-000257","form_type":"4","form_type_family":"insider","doc_date":"2026-08-11","title":"4 — UNION PACIFIC CORP — 2026-08-11","url_slug":"/sec/cik-0000100885/4/0000100885-26-000257","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000257-index.html"},{"accession_number":"0000100885-26-000256","form_type":"4","form_type_family":"insider","doc_date":"2026-08-11","title":"4 — UNION PACIFIC CORP — 2026-08-11","url_slug":"/sec/cik-0000100885/4/0000100885-26-000256","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000256-index.html"},{"accession_number":"0000100885-26-000260","form_type":"4","form_type_family":"insider","doc_date":"2026-08-11","title":"4 — UNION PACIFIC CORP — 2026-08-11","url_slug":"/sec/cik-0000100885/4/0000100885-26-000260","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000260-index.html"},{"accession_number":"0000100885-26-000259","form_type":"4","form_type_family":"insider","doc_date":"2026-08-11","title":"4 — UNION PACIFIC CORP — 2026-08-11","url_slug":"/sec/cik-0000100885/4/0000100885-26-000259","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000259-index.html"},{"accession_number":"0000100885-26-000258","form_type":"4","form_type_family":"insider","doc_date":"2026-08-11","title":"4 — UNION PACIFIC CORP — 2026-08-11","url_slug":"/sec/cik-0000100885/4/0000100885-26-000258","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000258-index.html"},{"accession_number":"0000100885-26-000249","form_type":"8-K","form_type_family":"current","doc_date":"2026-07-23","title":"8-K — UNION PACIFIC CORP — 2026-07-23","url_slug":"/sec/cik-0000100885/8-k/0000100885-26-000249","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000249-index.html"},{"accession_number":"0000100885-26-000250","form_type":"10-Q","form_type_family":"quarterly","doc_date":"2026-07-23","title":"10-Q — UNION PACIFIC CORP — 2026-07-23","url_slug":"/sec/cik-0000100885/10-q/0000100885-26-000250","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000250-index.html"},{"accession_number":"0000100885-26-000239","form_type":"4","form_type_family":"insider","doc_date":"2026-07-13","title":"4 — UNION PACIFIC CORP — 2026-07-13","url_slug":"/sec/cik-0000100885/4/0000100885-26-000239","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000239-index.html"},{"accession_number":"0000100885-26-000238","form_type":"4","form_type_family":"insider","doc_date":"2026-07-13","title":"4 — UNION PACIFIC CORP — 2026-07-13","url_slug":"/sec/cik-0000100885/4/0000100885-26-000238","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000238-index.html"},{"accession_number":"0000100885-26-000237","form_type":"4","form_type_family":"insider","doc_date":"2026-07-13","title":"4 — UNION PACIFIC CORP — 2026-07-13","url_slug":"/sec/cik-0000100885/4/0000100885-26-000237","edgar_url":"https://www.sec.gov/Archives/edgar/data/100885/0000100885-26-000237-index.html"}],"related_endpoints":{"profile":"/sec/UNP/profile","timeline":"/sec/UNP/timeline","peers":"/sec/UNP/peers","insider_pulse":"/sec/UNP/insider-pulse","insider_summary":"/sec/UNP/insider-summary","insider_transactions":"/sec/UNP/insider-transactions","form144":"/sec/UNP/form144","holdings_as_filer":"/sec/UNP/holdings","financial_facts":"/sec/UNP/financial-facts","derivatives":"/sec/UNP/derivatives","officers":"/sec/UNP/officers","insider_network":"/sec/UNP/insider-network","risk_flags":"/sec/UNP/risk-flags","filings":"/sec/UNP/filings","cross_topic_dossier":"/api/v1/dossier?ticker=UNP"}}