---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-066105"
form_type: "8-K"
ticker: "MRSH"
cik: "0000062709"
company_name: "MARSH & MCLENNAN COMPANIES, INC."
filed_at: "2023-03-09T23:59:59+00:00"
generated_at: "2026-06-18T07:53:16.553608+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Marsh & McLennan prices $600M of 5.450% Senior Notes due 2053

## Summary
- Priced $600 million aggregate principal of 5.450% Senior Notes due 2053.
- Net proceeds from the offering will be used for general corporate purposes.
- Closing expected on March 9, 2023, subject to customary conditions.
- Joint book-running managers are Barclays, HSBC, and Morgan Stanley.
- Offered under an effective shelf registration statement (S-3) filed July 2021.

## SEC filing metadata
- accession: 0001193125-23-066105
- form_type: 8-K
- ticker: MRSH
- cik: 0000062709
- company_name: MARSH & MCLENNAN COMPANIES, INC.
- filed_at: 2023-03-09T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/62709/000119312523066105/0001193125-23-066105-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/62709/000119312523066105/d357357d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-066105
- JSON: https://secwatch.observer/filing/0001193125-23-066105.json
- Plain text: https://secwatch.observer/filing/0001193125-23-066105.txt

## Key facts
- Material Agreements
  MARSH & MCLENNAN COMPANIES, INC. entered into Underwriting Agreement with Barclays Capital Inc., HSBC Securities (USA) Inc. and Morgan Stanley & Co. LLC valued at $600 million aggregate principal amount of its 5.450% Senior Notes due 2053 (effective 2023-03-06).
  - Action: entry
  - Agreement: underwriting
  - Counterparty: Barclays Capital Inc., HSBC Securities (USA) Inc. and Morgan Stanley & Co. LLC
  - Value: $600 million aggregate principal amount of its 5.450% Senior Notes due 2053
  - Effective: 2023-03-06
  source text: On March 6, 2023, Marsh & McLennan Companies, Inc. (the “Company”) entered into an underwriting agreement (attached hereto as Exhibit 1.1 and incorporated herein by reference) with Barclays Capital Inc., HSBC Securities (USA) Inc. and Morgan Stanley & Co. LLC, as representatives of the several underwriters named therein (the “Underwriters”), pursuant to which the Underwriters agreed to purchase from the Company $600 million aggregate principal amount of its 5.450% Senior Notes due 2053 (the “Notes”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/62709/000119312523066105/0001193125-23-066105-index.htm

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