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

Role
President & CEO, Marsh Risk
Signature
/s/ Tessa Patti, Attorney-in-fact
Issuer symbol
MRSH
Transactions as of
28 Feb 2026
Net transactions value
-$1,495,040
Form type
4
Filing time
03 Mar 2026, 16:05:22 UTC
Previous filing
26 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
South Martin President & CEO, Marsh Risk 1166 AVENUE OF THE AMERICAS, NEW YORK /s/ Tessa Patti, Attorney-in-fact 03 Mar 2026 0001901227

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MRSH Common Stock Options Exercise $0 +14,476 +84% $0.000000 31,657 28 Feb 2026 Direct F1, F2
transaction MRSH Common Stock Tax liability $1,495,040 -8,006 -25% $186.74 23,651 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 -14,476 -100% $0.000000 0 28 Feb 2026 Common Stock 14,476 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 14,476 shares underlying restricted stock units of which 8,006 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 14,476 shares underlying restricted stock units relate to performance stock units that were granted on February 23, 2023 for the performance period 2023-2025.
F2 Includes 118.022 shares acquired under the Marsh & McLennan Companies Employee Stock Purchase Plan for the quarters ended March 31, June 30, September 30 and December 31, 2025.
F3 The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.
F4 Not applicable.