MMC (MMC) CIO Beswick reports 6,970-share RSU vesting and tax withholding

Rhea-AI Filing Summary

Marsh & McLennan Companies SVP and Chief Information Officer Paul Beswick reported routine equity compensation activity. On vesting, 6,970 restricted stock units converted into an equal number of common shares on a 1-for-1 basis. Of these, 3,403 shares were withheld by the company to cover applicable taxes, leaving Beswick with 17,089 shares of common stock held directly.

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

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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^*

Beswick Paul

(Last) (First) (Middle)

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. [ MRSH ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Chief Information Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/28/2026

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	02/28/2026		M(1)		6,970	A	$0	20,492	D
Common Stock	02/28/2026		F(1)		3,403	D	$186.74	17,089	D

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
Restricted Stock Units	(2)	02/28/2026		M(1)			6,970	(3)	(3)	Common Stock	6,970	$0	0	D

Explanation of Responses:

1. Vesting and distribution to reporting person of 6,970 shares underlying restricted stock units of which 3,403 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 6,970 shares underlying restricted stock units relate to performance stock units that were granted on February 23, 2023 for the performance period 2023-2025.

2. The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.

3. Not Applicable

	/s/ Tessa Patti, Attorney-in-fact	03/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transaction did MMC executive Paul Beswick report on this Form 4?

Paul Beswick reported vesting of 6,970 restricted stock units that converted into Marsh & McLennan Companies common stock. The transaction reflects routine equity compensation, not an open-market trade, and is tied to previously granted performance stock units for the 2023–2025 period.

How many MMC shares did Paul Beswick receive from restricted stock unit vesting?

Paul Beswick received 6,970 shares of Marsh & McLennan Companies common stock upon vesting of restricted stock units. These units converted to common stock on a 1-for-1 basis, as disclosed, and arise from performance stock units granted on February 23, 2023 for the 2023–2025 performance period.

How many MMC shares were withheld to pay taxes in Beswick’s Form 4 filing?

Marsh & McLennan Companies withheld 3,403 common shares from Paul Beswick to cover applicable taxes on the vesting. This tax-withholding disposition is reported under transaction code F and represents payment of tax liability by delivering a portion of the vested shares.

What is Paul Beswick’s MMC share ownership after these reported transactions?

After the reported transactions, Paul Beswick directly owns 17,089 shares of Marsh & McLennan Companies common stock. This figure reflects the net result of restricted stock unit conversion into shares and the shares withheld by the company to satisfy applicable tax obligations on the vesting.

What do the performance stock units in MMC’s Form 4 for Paul Beswick relate to?

The 6,970 vested restricted stock units relate to performance stock units granted on February 23, 2023 for the 2023–2025 performance period. These units convert into Marsh & McLennan Companies common stock on a 1-for-1 basis when vesting conditions tied to that performance period are satisfied.

Did Paul Beswick execute an open-market buy or sell of MMC shares in this filing?

The filing does not show open-market buying or selling by Paul Beswick. Instead, it records the exercise and conversion of restricted stock units into common shares and a tax-withholding disposition, where 3,403 shares were withheld by Marsh & McLennan Companies to satisfy tax obligations.