Patrick Tomlinson - 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
-$212,697
Form type
4
Filing time
03 Mar 2026, 16:02:28 UTC
Previous filing
26 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Tomlinson Patrick President and CEO, Mercer 1166 AVENUE OF THE AMERICAS, NEW YORK /s/ Tessa Patti, Attorney-in-fact 03 Mar 2026 0002016426

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MRSH Common Stock Options Exercise $0 +2,219 +86% $0.000000 4,794 28 Feb 2026 Direct F1
transaction MRSH Common Stock Tax liability $212,697 -1,139 -24% $186.74 3,655 28 Feb 2026 Direct F1

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 -2,219 -27% $0.000000 6,082 28 Feb 2026 Common Stock 2,219 Direct F1, F2, F3
* 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 2,219 shares underlying restricted stock units of which 1,134 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 2,219 shares underlying restricted stock units relate to 610 restricted stock units that were granted on February 23, 2023 and 1,609 restricted stock units relating to performance stock units that were granted on February 23, 2023 for the performance period 2023-2025.
F2 The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.
F3 Not applicable.