---
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"
generated_at: "2026-05-25T04:32:10.277637+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# CSX issues $600M of 5.050% Notes due 2035 under shelf registration

## Summary
- $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.

## SEC filing metadata
- 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
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 9.01
- 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

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-049850
- JSON: https://secwatch.observer/filing/0001193125-25-049850.json
- Plain text: https://secwatch.observer/filing/0001193125-25-049850.txt

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