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  4. [Form 4] MARSH & MCLENNAN COMPANIES, INC. Insider Trading Activity

Marsh & McLennan (MMC) Chief Client Officer granted 5,963 RSUs

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

South Martin reported acquisition or exercise transactions in this Form 4 filing.

Marsh & McLennan Companies’ Chief Client Officer South Martin received a grant of 5,963 restricted stock units. These units represent the right to receive an equal number of Marsh & McLennan common shares on a 1-for-1 basis, subject to vesting conditions.

The restricted stock units vest in three equal annual installments on May 15, 2027, May 15, 2028, and May 15, 2029. This is a compensation-related award rather than an open-market stock purchase or sale, and after this grant Martin holds 5,963 restricted stock units directly.

Positive

  • None.

Negative

  • None.
Insider South Martin
Role Chief Client Officer
Type Security Shares Price Value
Grant/Award Restricted Stock Units 5,963 $0.00 --
Holdings After Transaction: Restricted Stock Units — 5,963 shares (Direct, null)
Footnotes (1)
  1. The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. These restricted stock units vest in three equal annual installments on May 15, 2027, 2028 and 2029. Not applicable.
RSUs granted 5,963 units Restricted stock unit award to Chief Client Officer
Conversion ratio 1-for-1 Each RSU converts into one share of common stock
Vesting schedule Three equal installments Vesting on May 15, 2027, 2028, and 2029
Shares following award 5,963 units Total restricted stock units directly held after grant
Grant price $0.00 per unit Equity compensation award, no purchase price paid
Restricted Stock Units financial
"The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis."
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
1-for-1 basis financial
"The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis."
vest financial
"These restricted stock units vest in three equal annual installments on May 15, 2027, 2028 and 2029."
A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.
Common Stock financial
"The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis."
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.
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED 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)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Client Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/01/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(1)05/01/2026A(2)5,963 (3) (3)Common Stock5,963$05,963D
Explanation of Responses:
1. The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.
2. These restricted stock units vest in three equal annual installments on May 15, 2027, 2028 and 2029.
3. Not applicable.
/s/ Tessa Patti, Attorney-in-fact05/01/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Marsh & McLennan (MMC) disclose for South Martin?

Marsh & McLennan disclosed that Chief Client Officer South Martin received a grant of 5,963 restricted stock units. These units are part of equity compensation and convert into an equal number of common shares if vesting conditions are satisfied over time.

How many restricted stock units did South Martin receive at Marsh & McLennan (MMC)?

South Martin received 5,963 restricted stock units. Each unit represents the right to receive one share of Marsh & McLennan common stock, subject to vesting in three equal annual installments through 2029.

When do South Martin’s restricted stock units at Marsh & McLennan (MMC) vest?

The restricted stock units vest in three equal annual installments on May 15, 2027, May 15, 2028, and May 15, 2029. Vesting must occur before the underlying Marsh & McLennan common shares are delivered to South Martin.

Is South Martin’s Form 4 transaction at Marsh & McLennan (MMC) a stock purchase or sale?

The Form 4 reports an award of restricted stock units, not an open-market purchase or sale. It is a grant of 5,963 units as equity compensation that converts into common shares on a 1-for-1 basis if vesting conditions are met.

What does a 1-for-1 conversion mean for South Martin’s Marsh & McLennan (MMC) RSUs?

A 1-for-1 conversion means each restricted stock unit will convert into one share of Marsh & McLennan common stock. After vesting, 5,963 units would translate into 5,963 common shares, assuming all vesting conditions are fully satisfied.