---
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"
generated_at: "2026-05-31T04:24:25.876217+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# CSX launches $550M 4.900% Notes due 2055 offering

## Summary
- 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.

## SEC filing metadata
- 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
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 9.01
- 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

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-220694
- JSON: https://secwatch.observer/filing/0001193125-24-220694.json
- Plain text: https://secwatch.observer/filing/0001193125-24-220694.txt

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