{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-220694","form_type":"8-K","ticker":"CSX","cik":"0000277948","company_name":"CSX CORP","filed_at":"2024-09-17T23:59:59+00:00","discovered_at":"2026-05-14T18:03:15.455139+00:00","generated_at":"2026-05-31T04:24:25.876217+00:00","sec_items":["1.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"CSX launches $550M 4.900% Notes due 2055 offering","bullets":["Issued $550M aggregate principal of 4.900% Notes due 2055 under shelf registration.","Underwriters include Citigroup, J.P. Morgan, Morgan Stanley, and UBS.","Offering expected to close September 18, 2024, subject to customary conditions.","Underwriting agreement includes customary representations, warranties, and indemnification."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-220694","json":"https://secwatch.observer/filing/0001193125-24-220694.json","markdown":"https://secwatch.observer/filing/0001193125-24-220694.md","text":"https://secwatch.observer/filing/0001193125-24-220694.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/277948/000119312524220694/0001193125-24-220694-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/277948/000119312524220694/d604019d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T04:24:25.876217+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"}