---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-232457"
form_type: "8-K"
ticker: "MRSH"
cik: "0000062709"
company_name: "MARSH & MCLENNAN COMPANIES, INC."
filed_at: "2023-09-11T23:59:59+00:00"
generated_at: "2026-06-10T21:55:19.969106+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Marsh & McLennan prices $1.6B senior notes offering in two tranches

## Summary
- $600M of 5.400% Senior Notes due 2033 and $1B of 5.700% Senior Notes due 2053 priced.
- Net proceeds from the offering will be used for general corporate purposes.
- Notes expected to close on September 11, 2023, subject to customary conditions.
- Joint book-running managers include BofA, Citigroup, J.P. Morgan, and Deutsche Bank.

## SEC filing metadata
- accession: 0001193125-23-232457
- form_type: 8-K
- ticker: MRSH
- cik: 0000062709
- company_name: MARSH & MCLENNAN COMPANIES, INC.
- filed_at: 2023-09-11T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/62709/000119312523232457/0001193125-23-232457-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/62709/000119312523232457/d507941d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-232457
- JSON: https://secwatch.observer/filing/0001193125-23-232457.json
- Plain text: https://secwatch.observer/filing/0001193125-23-232457.txt

## Key facts
- Material Agreements
  MARSH & MCLENNAN COMPANIES, INC. entered into underwriting agreement with BofA Securities, Inc., Citigroup Global Markets Inc., J.P. Morgan Securities LLC and Deutsche Bank Securities Inc., as representatives of the several underwriters named therein valued at $600,000,000 aggregate principal amount of its 5.400% Senior Notes due 2033 and $1,000,000,000 aggre (effective 2023-09-06).
  - Action: entry
  - Agreement: underwriting
  - Counterparty: BofA Securities, Inc., Citigroup Global Markets Inc., J.P. Morgan Securities LLC and Deutsche Bank Securities Inc., as representatives of the several underwriters named therein
  - Value: $600,000,000 aggregate principal amount of its 5.400% Senior Notes due 2033 and $1,000,000,000 aggre
  - Effective: 2023-09-06
  source text: On September 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 BofA Securities, Inc., Citigroup Global Markets Inc., J.P. Morgan Securities LLC and Deutsche Bank Securities Inc., as representatives of the several underwriters named therein (the “Underwriters”), pursuant to which the Underwriters agreed to purchase from the Company $600,000,000 aggregate principal amount of its 5.400% Senior Notes due 2033 (the “2033 Notes”) and $1,000,000,000 aggregate principal amount of its 5.700% Senior Notes due 2053 (the “2053 Notes,” and together with the 2033 Notes, the “Notes”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/62709/000119312523232457/0001193125-23-232457-index.htm

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