Marsh & McLennan holder to sell 16,656 shares

The Rule 144 notice covers 16,656 MRSH shares held at Fidelity, with sales tied to John Q. Doyle’s stock option exercise expected Sept. 2, 2026.

Rhea-AI Filing Summary

MARSH & MCLENNAN COMPANIES, INC. (MRSH) is the issuer for a planned resale of common stock under Rule 144 by John Q. Doyle. The notice covers 16,656 shares of common stock held at Fidelity Brokerage Services LLC, with sales related to a stock option exercise expected on September 2, 2026.

Key Figures

Shares to be sold: 16,656 shares Aggregate market value of covered shares: $3,139,822.56 Shares outstanding: 477,211,268 shares +2 more

5 metrics

Shares to be sold 16,656 shares Common stock covered by the Rule 144 notice for John Q. Doyle

Aggregate market value of covered shares $3,139,822.56 Value of 16,656 MARSH & MCLENNAN COMPANIES, INC. common shares

Shares outstanding 477,211,268 shares MARSH & MCLENNAN COMPANIES, INC. common stock outstanding as of September 2, 2026

Recent 3‑month sale shares 16,656 shares Common shares sold on June 2, 2026 by John Q. Doyle

Recent 3‑month sale proceeds $2,693,441.76 Total consideration for 16,656 shares sold on June 2, 2026

Key Terms

Rule 144, Stock Option Exercise, Aggregate market value, Attorney-in-fact

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Stock Option Exercise financial

"Common | 09/02/2026 | Stock Option Exercise | Issuer"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

Aggregate market value financial

"Common | Fidelity Brokerage Services LLC ... | 16656 | 3139822.56"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

Attorney-in-fact regulatory

"as attorney-in-fact for John Q. Doyle"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

FAQ

Who is selling MARSH & MCLENNAN COMPANIES, INC. (MRSH) shares in this Form 144?

The notice relates to planned sales of MARSH & MCLENNAN COMPANIES, INC. common stock for the account of John Q. Doyle, with Fidelity Brokerage Services LLC identified as the broker handling the securities.

How many MRSH shares are covered by this Form 144 notice?

The Form 144 notice covers 16,656 shares of MARSH & MCLENNAN COMPANIES, INC. common stock. These shares are associated with a stock option exercise and are held at Fidelity Brokerage Services LLC.

What is the approximate market value of the MRSH shares in this Form 144?

The securities information lists an aggregate market value of $3,139,822.56 for the 16,656 shares of MARSH & MCLENNAN COMPANIES, INC. common stock covered by the notice, based on the pricing information provided as of September 2, 2026.

When are the MRSH shares expected to be sold under this Form 144?

The planned transaction date indicated is September 2, 2026, with the Form 144 noting the sale of 16,656 common shares of MARSH & MCLENNAN COMPANIES, INC. in connection with a stock option exercise for cash.

How many MRSH shares were sold by this person in the past 3 months?

The filing lists that on June 2, 2026, 16,656 shares of MARSH & MCLENNAN COMPANIES, INC. common stock were sold for total proceeds of $2,693,441.76 during the prior three-month period.

How many MRSH shares are outstanding according to this notice?

The securities section reports that MARSH & MCLENNAN COMPANIES, INC. has 477,211,268 shares of common stock outstanding as of September 2, 2026; this is a company-wide figure, not the amount being sold.

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

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Available on EDGAR 09/02/2026 - 11:00 AM Accepted by SEC EDGAR 09/02/2026 - 11:00 AM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001580963
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	MARSH & MCLENNAN COMPANIES, INC.
SEC File Number	001-05998
Address of Issuer	1166 AVENUE OF THE AMERICAS NEW YORK NEW YORK 10036
Phone	2123455000
Name of Person for Whose Account the Securities are To Be Sold	Doyle John Q
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	16656	3139822.56	477211268	09/02/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	09/02/2026	Stock Option Exercise	Issuer			16656	09/02/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
John Q. Doyle 1166 Avenue of the Americas New York NY 10036	Common	06/02/2026	16656	2693441.76

144: Remarks and Signature

Remarks
Date of Notice	09/02/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	12/02/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Jennifer Ruchti, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for John Q. Doyle
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)