Marsh & McLennan (NYSE: MMC) CEO exercises options and sells 16,655 shares

Rhea-AI Filing Summary

Marsh & McLennan Companies, Inc. President and CEO John Q. Doyle exercised stock options and sold shares on March 4, 2026. He exercised options for 16,655 Stock Options (Right to Buy) at $0.0000 per share, leaving 49,968 options held directly. He then sold 16,655 shares of Common Stock at an average price of $183.3000 per share in an open‑market transaction under a previously adopted Rule 10b5‑1 trading plan, and held 116,811.0205 common shares directly afterward.

Insider Trade Summary

Net Seller: 16,655 shares ($3,052,862)

Net Sell 3 txns

Insider Doyle John Q

Role President and CEO

Sold 16,655 shs ($3.05M)

Type	Security	Shares	Price	Value
Exercise	Stock Options (Right to Buy)	16,655	$0.00	--
Sale	Common Stock	16,655	$183.30	$3.05M
Exercise	Common Stock	16,655	$0.00	--

Holdings After Transaction: Stock Options (Right to Buy) — 49,968 shares (Direct); Common Stock — 116,811.021 shares (Direct)

Footnotes (1)

1. This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person. These options were granted on February 22, 2017 and vested in four equal annual installments on February 22nd of 2018, 2019, 2020 and 2021.

Form 4 Insider Transactions: What Each Field Means →

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).

X

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^*

Doyle John Q

(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)
	President and CEO

3. Date of Earliest Transaction (Month/Day/Year)
03/04/2026

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	03/04/2026		S(1)		16,655	D	$183.3	116,811.0205	D
Common Stock	03/04/2026		M(1)		16,655	A	$0	133,466.0205	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
Stock Options (Right to Buy)	$73.195	03/04/2026		M(1)			16,655	(2)	02/21/2027	Common Stock	16,655	$0	49,968	D

Explanation of Responses:

1. This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

2. These options were granted on February 22, 2017 and vested in four equal annual installments on February 22nd of 2018, 2019, 2020 and 2021.

	/s/ Tessa Patti, Attorney-in-fact	03/05/2026
	** 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 insider transactions did MMC CEO John Q. Doyle report on this Form 4?

John Q. Doyle reported exercising stock options for 16,655 shares and selling 16,655 shares of Marsh & McLennan Companies, Inc. common stock at $183.3000 per share on March 4, 2026 in directly held accounts.

How many Marsh & McLennan (MMC) shares does John Q. Doyle hold after these transactions?

After the reported transactions, John Q. Doyle directly held 116,811.0205 shares of Marsh & McLennan Companies, Inc. common stock and 49,968 stock options, based on the totals listed following each transaction on the Form 4 filing.

At what price did MMC CEO John Q. Doyle sell shares on March 4, 2026?

John Q. Doyle sold 16,655 shares of Marsh & McLennan Companies, Inc. common stock at an average price of $183.3000 per share on March 4, 2026, in an open‑market or private sale classified under transaction code "S".

Were John Q. Doyle’s MMC share sales under a Rule 10b5-1 trading plan?

Yes. The Form 4 footnote states the sale transaction was effected pursuant to a Rule 10b5‑1 trading plan previously adopted by John Q. Doyle, indicating a pre‑established trading arrangement for these Marsh & McLennan Companies, Inc. shares.

What stock options did MMC CEO John Q. Doyle exercise in this Form 4?

He exercised 16,655 Stock Options (Right to Buy) that were originally granted on February 22, 2017. A footnote explains these options vested in four equal annual installments on February 22 of 2018, 2019, 2020, and 2021.

What transaction codes appear in John Q. Doyle’s MMC Form 4 filing?

The Form 4 lists transaction code M for the exercise or conversion of derivative securities and code S for a sale in open market or private transaction, covering both the option exercise and the related common stock sale.