---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-057296"
form_type: "8-K"
ticker: "AJG"
cik: "0000354190"
company_name: "Arthur J. Gallagher & Co."
filed_at: "2023-03-02T23:59:59+00:00"
generated_at: "2026-06-18T16:24:39.589995+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Gallagher prices $950M senior notes offering in two tranches (5.500% due 2033, 5.750% due 2053)

## Summary
- $350M of 5.500% Senior Notes due 2033 and $600M of 5.750% Senior Notes due 2053 issued.
- Net interest expense hedged to ~4.0% on 2033 notes and ~4.8% for first 10 years on 2053 notes.
- Offering expected to close March 2, 2023; underwriters include BofA Securities and Citigroup.
- Notes issued under existing indenture with Bank of New York Mellon as trustee.

## SEC filing metadata
- accession: 0001193125-23-057296
- form_type: 8-K
- ticker: AJG
- cik: 0000354190
- company_name: Arthur J. Gallagher & Co.
- filed_at: 2023-03-02T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/354190/000119312523057296/0001193125-23-057296-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/354190/000119312523057296/d476388d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-057296
- JSON: https://secwatch.observer/filing/0001193125-23-057296.json
- Plain text: https://secwatch.observer/filing/0001193125-23-057296.txt

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