Marsh & McLennan (NYSE: MRSH) officer sells 7,100 shares at $189.99

Rhea-AI Filing Summary

Marsh & McLennan Companies’ Chief Client Officer South Martin sold 7,100 shares of Common Stock on July 28, 2026 at an average price of $189.9925 per share in an open market or private transaction.

After this sale, Martin directly owns 16,631.709 shares, including 81.17 shares acquired through the Employee Stock Purchase Plan for the quarters ended March 31 and June 30, 2026.

Insider Trade Summary

Net Seller: 7,100 shares

Net Sell 1 txn

Insider South Martin

Role Chief Client Officer

Sold 7,100 shs ($1.35M)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	7,100	$189.9925	$1.35M

Holdings After Transaction: Common Stock — 16,631.709 shares (Direct)

Footnotes (1)

1. F1. Includes 81.17 shares acquired under the Marsh & McLennan Companies, Inc. Employee Stock Purchase Plan for the quarters ended March 31 and June 30, 2026.

Key Figures

Shares sold: 7,100 shares Sale price per share: $189.9925 per share Shares owned after sale: 16,631.709 shares +1 more

4 metrics

Shares sold 7,100 shares Common Stock sale on July 28, 2026

Sale price per share $189.9925 per share Average price for the 7,100-share sale

Shares owned after sale 16,631.709 shares Direct Common Stock holdings following the transaction

ESPP shares included 81.17 shares Acquired under the Employee Stock Purchase Plan for quarters ended March 31 and June 30, 2026

Key Terms

Common Stock, Employee Stock Purchase Plan, open market or private transaction, directly owns

4 terms

Common Stock financial

"sold 7,100 shares of Common Stock on July 28, 2026"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Employee Stock Purchase Plan financial

"Includes 81.17 shares acquired under the Marsh & McLennan Companies, Inc. Employee Stock Purchase Plan"

An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.

open market or private transaction financial

"Sale in open market or private transaction"

directly owns financial

"After this sale, Martin directly owns 16,631.709 shares"

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/29/2026 - 04:18 PM Accepted by SEC EDGAR 07/29/2026 - 04:18 PM Learn about SEC filing dates

FAQ

What insider transaction did South Martin report for MRSH?

South Martin reported selling 7,100 shares of Marsh & McLennan Common Stock on July 28, 2026 at an average price of $189.9925 per share. The transaction was described as a sale in an open market or private transaction.

How many MRSH shares does South Martin hold after this sale?

Following the reported sale, South Martin directly owns 16,631.709 shares of Marsh & McLennan Common Stock. This total includes 81.17 shares acquired under the Employee Stock Purchase Plan for the quarters ended March 31 and June 30, 2026.

What role does South Martin hold at Marsh & McLennan (MRSH)?

South Martin serves as Chief Client Officer at Marsh & McLennan Companies, Inc. This officer position is disclosed in connection with the reported sale of 7,100 shares of the company’s Common Stock on July 28, 2026.

Was South Martin’s MRSH stock sale made under a Rule 10b5-1 trading plan?

The Rule 10b5-1 trading plan checkbox for this report was not selected. This indicates the reported sale of 7,100 shares was not identified as being executed under a pre-arranged Rule 10b5-1 trading plan.

What does the Employee Stock Purchase Plan footnote mean for MRSH holdings?

The footnote explains that Martin’s post-transaction holdings include 81.17 shares acquired through the Marsh & McLennan Companies, Inc. Employee Stock Purchase Plan for the quarters ended March 31 and June 30, 2026, clarifying part of the 16,631.709 total shares owned.

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^*

South Martin

(Last) (First) (Middle)

1166 AVENUE OF THE AMERICAS

(Street)

NEW YORK NEW YORK 10036

(City) (State) (Zip)

UNITED STATES

(Country)

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 Client Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/28/2026

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

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

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

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	07/28/2026		S		7,100	D	$189.9925	16,631.709(1)	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

Explanation of Responses:

1. Includes 81.17 shares acquired under the Marsh & McLennan Companies, Inc. Employee Stock Purchase Plan for the quarters ended March 31 and June 30, 2026.

	/s/ Tessa Patti, Attorney-in-fact	07/29/2026
	** 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.
* Form 4: SEC 1474 (03-26)