Item 6. Exhibits.

See the Exhibit Index immediately following the signature page of this report, which is incorporated herein by reference.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.


Date:	July 17, 2025	/s/ Mark C. McGivney
		Mark C. McGivney
		Chief Financial Officer

Date:	July 17, 2025	/s/ Stacy M. Mills
		Stacy M. Mills
		Vice President & Controller
		(Chief Accounting Officer)

EXHIBIT INDEX


Exhibit No.						Exhibit Name

10.1						Marsh & McLennan Companies, Inc. Amended and Restated 2020 Incentive and Stock Award Plan (incorporated by reference from Exhibit C to the Registrant’s Definitive Proxy Statement on Schedule 14A filed on March 28, 2025)

10.2						Description of Compensation Arrangements for Independent Directors of Marsh & McLennan Companies, Inc. effective June 1, 2025.

31.1						Rule 13a-14(a)/15d-14(a) Certification of Chief Executive Officer

31.2						Rule 13a-14(a)/15d-14(a) Certification of Chief Financial Officer

32.1						Section 1350 Certifications

101.INS						XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.

101.SCH						XBRL Taxonomy Extension Schema

101.CAL						XBRL Taxonomy Extension Calculation Linkbase

101.DEF						XBRL Taxonomy Extension Definition Linkbase

101.LAB						XBRL Taxonomy Extension Label Linkbase

101.PRE						XBRL Taxonomy Extension Presentation Linkbase

104						Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

Previous: Item 5. Other Information.