{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-049850","form_type":"8-K","ticker":"CSX","cik":"0000277948","company_name":"CSX CORP","filed_at":"2025-03-07T23:59:59+00:00","discovered_at":"2026-05-14T18:03:05.916044+00:00","generated_at":"2026-05-25T04:32:10.277637+00:00","sec_items":["1.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"CSX issues $600M of 5.050% Notes due 2035 under shelf registration","bullets":["$600M aggregate principal amount, 5.050% interest rate, due 2035.","Underwriters include Barclays, BofA, Mizuho, and Morgan Stanley.","Offering expected to close on March 10, 2025, subject to conditions.","Notes offered under shelf registration effective February 27, 2025."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-049850","json":"https://secwatch.observer/filing/0001193125-25-049850.json","markdown":"https://secwatch.observer/filing/0001193125-25-049850.md","text":"https://secwatch.observer/filing/0001193125-25-049850.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/277948/000119312525049850/0001193125-25-049850-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/277948/000119312525049850/d927507d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-25T04:32:10.277637+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"}