---
schema_version: "secwatch.filing_event.v1"
accession: "0000950103-25-013519"
form_type: "8-K"
ticker: "CSX"
cik: "0000277948"
company_name: "CSX CORP"
filed_at: "2025-10-22T23:59:59+00:00"
generated_at: "2026-05-17T02:52:16.768675+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# CSX issues additional $300M of 5.050% Notes due 2035 in reopening

## Summary
- Aggregate principal $300M, reopening of existing $600M 5.050% Notes due 2035 issued March 2025.
- Notes priced at 5.050% per annum, maturity 2035; underwriting led by Citigroup, JPMorgan, UBS.
- Offering expected to close October 23, 2025, subject to customary conditions.
- Proceeds not specified; offering made under existing shelf registration (333-285319).

## SEC filing metadata
- accession: 0000950103-25-013519
- form_type: 8-K
- ticker: CSX
- cik: 0000277948
- company_name: CSX CORP
- filed_at: 2025-10-22T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/277948/000095010325013519/0000950103-25-013519-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/277948/000095010325013519/dp236140_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950103-25-013519
- JSON: https://secwatch.observer/filing/0000950103-25-013519.json
- Plain text: https://secwatch.observer/filing/0000950103-25-013519.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.