[Form 4] Marsh & McLennan Companies, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Marsh & McLennan Companies (MMC) director Steven A. Mills reported an acquisition of company common stock as director compensation. On 08/15/2025 he acquired 204 shares at an average price of $208.055 per share under the Marsh & McLennan Companies Directors Stock Compensation Plan. After the transaction, the filing shows Mr. Mills beneficially owns 3,669.75 shares directly and 47,553 shares indirectly through a trust. The Form 4 was signed by an attorney-in-fact on 08/18/2025 and discloses the acquisition was compensation-related.

Insights

Corporate Governance Expert

TL;DR: A director received equity as compensation, modestly increasing direct holdings while significant indirect holdings remain in a trust.

This Form 4 documents a routine director compensation transfer: 204 shares were acquired at $208.055 per share and credited on 08/15/2025 under the companys director stock plan. The report distinguishes between direct ownership of 3,669.75 shares and indirect ownership of 47,553 shares via a trust, indicating longstanding indirect exposure. For governance review, this is a standard disclosure of compensation-related equity with no disclosure of dispositions, pledges, or new derivative positions.

Securities Analyst

TL;DR: The filing reflects a small, non-market-moving insider acquisition tied to director fees.

The transaction is coded as an acquisition for compensation purposes and does not show sales or option activity. The monetary value of the 204-share grant at the reported price totals approximately $42,380.42 (204 x $208.055), providing a clear, auditable increase in direct holdings. The presence of substantial indirect holdings (47,553 shares) is noted but not altered by this filing. Impact on shareholder voting or control appears unchanged by this single compensation grant.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

MILLS STEVEN A

(Last) (First) (Middle)

C/O MARSH & MCLENNAN COMPANIES, INC.

1166 AVENUE OF THE AMERICAS

(Street)

NEW YORK NY 10036

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MARSH & MCLENNAN COMPANIES, INC. [ MMC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
08/15/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/15/2025		A(1)		204	A	$208.055	3,669.75	D
Common Stock								47,553	I	By Trust

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Acquired in connection with director fees pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan.

	/s/ Tessa Patti, Attorney-in-fact	08/18/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did MMC director Steven A. Mills report on Form 4?

He reported an acquisition of 204 shares of MMC common stock on 08/15/2025 at an average price of $208.055 per share, received as director compensation.

How many MMC shares does Steven A. Mills beneficially own after this filing?

The Form 4 reports 3,669.75 shares directly and 47,553 shares indirectly via a trust following the reported transaction.

Was the Form 4 transaction a sale or purchase for Steven A. Mills?

The transaction is coded as an acquisition (A), representing shares received as director fees, not a sale.

Under what plan were the 204 shares acquired?

The filing states the shares were acquired pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan.

When was the Form 4 signed and filed?

The signature block shows the form was signed by an attorney-in-fact on 08/18/2025.