Marsh & McLennan (MMC) CMO reports RSU vesting and tax-share withholding

Rhea-AI Filing Summary

Marsh & McLennan Companies Chief Marketing Officer John Jude Jones reported equity award activity involving restricted stock units and common stock. On February 28, 2026, 4,826 restricted stock units converted into common shares on a 1-for-1 basis, reflecting vesting of performance stock units granted on February 23, 2023 for the 2023–2025 performance period.

Of these shares, 2,464 common shares were withheld by Marsh & McLennan Companies at a price of $186.74 per share to cover applicable taxes. After these transactions, Jones directly held 10,340 common shares and 140.602 restricted stock units under the Supplemental Savings & Investment Plan.

In addition, 1,819.885 common shares were held indirectly through the Marsh & McLennan Companies 401(k) Savings & Investment Plan, with the plan custodian acquiring shares at prevailing market prices as of February 28, 2026.

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^*

Jones John Jude

(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)
	Chief Marketing 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)		4,826	A	$0	12,804	D
Common Stock	02/28/2026		F(1)		2,464	D	$186.74	10,340	D
Common Stock								1,819.885(2)	I	MMC 401(k) Savings & Investment Plan

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 Stk. Units (SSIP)	(3)							(4)	(4)	Common Stock	140.602		140.602(5)	D
Restricted Stock Units	(3)	02/28/2026		M(1)			4,826	(4)	(4)	Common Stock	4,826	$0	0	D

Explanation of Responses:

1. Vesting and distribution to reporting person of 4,826 shares underlying restricted stock units of which 2,464 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 4,826 shares underlying restricted stock units relate to performance stock units that were granted on February 23, 2023 for the performance period 2023-2025.

2. Reflects shares acquired by the Marsh & McLennan Companies 401(k) Savings & Investment Plan (SIP) Custodian at prevailing market prices. Information reported herein is based on reporting person's Plan Statement as of February 28, 2026.

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

4. Not applicable.

5. Reflects additional stock units acquired by the Supplemental Savings & Investment Plan (SSIP) Custodian at prevailing market prices. Information reported herein is based on Reporting Person's Plan Statement as February 28, 2026.

	/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 equity award activity did MMC CMO John Jude Jones report on this Form 4?

John Jude Jones reported vesting and conversion of 4,826 restricted stock units into Marsh & McLennan Companies common stock. These units relate to performance stock granted on February 23, 2023 for the 2023–2025 performance period, resulting in additional directly held common shares.

How many Marsh & McLennan Companies shares were withheld for taxes in this filing?

The company withheld 2,464 Marsh & McLennan Companies common shares to cover applicable taxes. These shares came from the 4,826 shares delivered upon conversion of restricted stock units, and were withheld at a price of $186.74 per share for the tax obligation.

What are John Jude Jones’s direct MMC common stock holdings after these transactions?

After the reported transactions, John Jude Jones directly held 10,340 shares of Marsh & McLennan Companies common stock. This figure reflects the net result of restricted stock unit conversion and the related tax-withholding disposition reported as of February 28, 2026.

What indirect Marsh & McLennan Companies holdings does John Jude Jones report in this Form 4?

The filing shows 1,819.885 Marsh & McLennan Companies common shares held indirectly through the MMC 401(k) Savings & Investment Plan. The plan custodian acquired these shares at prevailing market prices, based on the reporting person’s plan statement as of February 28, 2026.

What is the conversion rate for the Marsh & McLennan restricted stock units reported?

The restricted stock units convert into Marsh & McLennan Companies common stock on a one-for-one basis. This means each vested unit becomes one share of common stock when distributed, as described in the Form 4 footnotes for the reported award.

What additional plan-based units does John Jude Jones hold at Marsh & McLennan?

John Jude Jones holds 140.602 restricted stock units under the Supplemental Savings & Investment Plan. These units were acquired by the plan custodian at prevailing market prices, according to the reporting person’s plan statement dated February 28, 2026, and represent an additional deferred equity interest.