---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-249960"
form_type: "8-K"
ticker: "GATX"
cik: "0000040211"
company_name: "GATX CORP"
filed_at: "2025-10-24T23:59:59+00:00"
generated_at: "2026-05-17T02:23:26.803649+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# GATX issues $400M of senior notes in two tranches: $200M at 5.500% due 2035, $200M at 6.050% due 2054

## Summary
- Issued $200M of 5.500% Senior Notes due 2035, reopening an existing series; total outstanding now $700M.
- Issued $200M of 6.050% Senior Notes due 2054, reopening an existing series; total outstanding now $900M.
- Underwriters: BofA Securities, Citigroup, Morgan Stanley; closing occurred October 24, 2025.

## SEC filing metadata
- accession: 0001193125-25-249960
- form_type: 8-K
- ticker: GATX
- cik: 0000040211
- company_name: GATX CORP
- filed_at: 2025-10-24T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/40211/000119312525249960/0001193125-25-249960-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/40211/000119312525249960/d12109d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-249960
- JSON: https://secwatch.observer/filing/0001193125-25-249960.json
- Plain text: https://secwatch.observer/filing/0001193125-25-249960.txt

## Key facts
- Debt Financings
  GATX CORP incurred senior notes of $200,000,000 aggregate principal amount of 5.500% Senior Notes due 2035 and $200,000,000 aggregate principal amount of 6 with BofA Securities, Inc., Citigroup Global Markets Inc. and Morgan Stanley & Co. LLC at 5.500% Senior Notes due 2035 and 6.050% Senior Notes due 2054 maturing 2035 and 2054.
  - Instrument: senior notes
  - Principal: $200,000,000 aggregate principal amount of 5.500% Senior Notes due 2035 and $200,000,000 aggregate principal amount of 6
  - Counterparty: BofA Securities, Inc., Citigroup Global Markets Inc. and Morgan Stanley & Co. LLC
  - Rate: 5.500% Senior Notes due 2035 and 6.050% Senior Notes due 2054
  - Maturity: 2035 and 2054
  - Event: incurrence
  source text: GATX Corporation (“GATX”) entered into an Underwriting Agreement (the “Underwriting Agreement”), with BofA Securities, Inc., Citigroup Global Markets Inc. and Morgan Stanley & Co. LLC, as representatives of the several underwriters listed therein (collectively, the “Underwriters”), dated October 22, 2025, pursuant to which GATX agreed to sell and the Underwriters agreed to purchase, subject to and upon terms and conditions set forth therein, $200,000,000 aggregate principal amount of 5.500% Senior Notes due 2035 (the “2035 Notes”) and $200,000,000 aggregate principal amount of 6.050% Senior Notes due 2054 (the “2054 Notes” and, together with the 2035 Notes, the “Notes”), as described in the prospectus supplement, dated October 22, 2025 (the “Prospectus Supplement”), filed pursuant to GATX’s shelf registration statement on Form S-3, Registration No. 333-286436.
  evidence_url: https://www.sec.gov/Archives/edgar/data/40211/000119312525249960/0001193125-25-249960-index.htm

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