Carmen Fernandez - 28 Feb 2026 Form 4 Insider Report for MARSH & MCLENNAN COMPANIES, INC. (MRSH)

Signature
/s/ Tessa Patti, Attorney-in-fact
Issuer symbol
MRSH
Transactions as of
28 Feb 2026
Net transactions value
-$719,883
Form type
4
Filing time
03 Mar 2026, 16:11:08 UTC
Previous filing
26 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Fernandez Carmen SVP, Chief People Officer 1166 AVENUE OF THE AMERICAS, NEW YORK /s/ Tessa Patti, Attorney-in-fact 03 Mar 2026 0001838241

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MRSH Common Stock Options Exercise $0 +6,970 +71% $0.000000 16,850 28 Feb 2026 Direct F1
transaction MRSH Common Stock Tax liability $719,883 -3,855 -23% $186.74 12,995 28 Feb 2026 Direct F1
holding MRSH Common Stock 283 28 Feb 2026 MMC 401(k) Savings & Investment Plan F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction MRSH Restricted Stock Units Options Exercise $0 -6,970 -100% $0.000000 0 28 Feb 2026 Common Stock 6,970 Direct F1, F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Vesting and distribution to reporting person of 6,970 shares underlying restricted stock units of which 3,855 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 6,970 shares underlying restricted stock units relate to performance stock units that were granted on February 23, 2023 for the performance period 2023-2025.
F2 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.
F3 The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.
F4 Not applicable.