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MRSHMARSH & MCLENNAN COMPANIES, INC. insider trading

Form 4 trades the last 365 days, plus historical signal scoring over the last 365 days · institutional 13F view →

Insiders (365d): 0 buys, 8 sells

Institutions: 18 funds, 8 added

Congress: 7 sells

Open-Market Trades (365d)

Buy Hit Rate (90d)

—

Sell Timing (90d)

+25.00%

Weighted Return (90d)

-6.03%

Insider Buy / Sell Summary

SEC Form 4 open-market transactions (the last 365 days) · P/S only

8 trade lines

Buy trades

Sell trades

Bought

Sold

$9.29M

Net flow

-$9.29M

Latest trade

Oct 23, 2026

Trade Timeline

Latest 8 matching trade lines; the full ledger is below.

BuySell

Oct 23, 2026SellStacy Mills

-$243.00K

Vice President and Controller1,215 shares@ $200.00SEC filing

Oct 23, 2026SellDean Michael Klisura

-$838.80K

President & CEO, Marsh RE4,194 shares@ $200.00SEC filing

Sep 2, 2026SellJohn Q Doyle

-$3.14M

President and CEO16,656 shares@ $188.51SEC filing

Sep 2, 2026SellKatherine Brennan

-$224.91K

SVP and General Counsel1,197 shares@ $187.90SEC filing

Aug 6, 2026SellJohn Jude Jones

-$1.25M

Chief Marketing Officer6,500 shares@ $191.96SEC filing

Jul 29, 2026SellPaul Beswick

-$141.17K

SVP, Chief Information Officer713 shares@ $198.00SEC filing

Jul 28, 2026SellMartin South

-$1.35M

Chief Client Officer7,100 shares@ $189.99SEC filing

Jul 23, 2026SellLloyd M Yates

-$2.11M

Director12,000 shares@ $175.65SEC filing

Complete Form 4 Ledger

Filter every reported buy and sell for MRSH.

Showing 8 of 8

MRSH Form 4 Transactions (the last 365 days)

Date	Insider	Position	Code	Type	Shares	Price	Value	30d	90d	180d
Oct 23, 2026	Stacy Mills	Vice President and Controller	S	Sale	1,215	$200.00	$243.00K	—	—	—
Oct 23, 2026	Dean Michael Klisura	President & CEO, Marsh RE	S	Sale	4,194	$200.00	$838.80K	—	—	—
Sep 2, 2026	John Q Doyle	President and CEO	S	Sale	16,656	$188.51	$3.14M	+9.47%	—	—
Sep 2, 2026	Katherine Brennan	SVP and General Counsel	S	Sale	1,197	$187.90	$224.91K	+9.47%	—	—
Aug 6, 2026	John Jude Jones	Chief Marketing Officer	S	Sale	6,500	$191.96	$1.25M	+6.61%	-8.84%	—
Jul 29, 2026	Paul Beswick	SVP, Chief Information Officer	S	Sale	713	$198.00	$141.17K	+2.51%	+3.50%	—
Jul 28, 2026	Martin South	Chief Client Officer	S	Sale	7,100	$189.99	$1.35M	+1.14%	-1.32%	—
Jul 23, 2026	Lloyd M Yates	Director	S	Sale	12,000	$175.65	$2.11M	-10.36%	-8.03%	—

Planned Sales

Form 1449 notices

Insiders' intent to sell, filed before the trade — a leading indicator to the executed Form 4 sales above. All Form 144 notices →

Insider	Role	Planned Sale	Filed
Beswick Paul	Officer	$151.71K	Nov 5, 2026
Klisura Dean Michael	Officer

Institutional Holdings

13F18 funds

Sort

WELLINGTON MANAGEMENT GROUP LLP

0.49% of book-2.3%

$2.83B

PRICE T ROWE ASSOCIATES INC /MD/

0.22% of book+22.4%

$2.24B

Capital Research Global Investors

0.26% of book-2.9%

$1.83B

HARRIS ASSOCIATES L P

AQR CAPITAL MANAGEMENT LLC

0.15% of book-29.0%

$432.11M

TWO SIGMA ADVISERS, LP

0.47% of book+0.2%

$243.44M

#	Fund	Value↓	Shares	Portfolio %	Change
1	VANGUARD GROUP INC	$8.64B	46,589,633	0.13%	+0.8%
2	BlackRock, Inc.	$6.58B	39,502,046	0.10%	-6.1%
3	STATE STREET CORP	$3.73B	22,401,676	0.11%	+1.5%
4	WELLINGTON MANAGEMENT GROUP LLP	$2.83B	16,975,238	0.49%	-2.3%
5	PRICE T ROWE ASSOCIATES INC /MD/	$2.24B	13,438,662	0.22%	+22.4%
6	Capital Research Global Investors	$1.83B	10,973,649	0.26%	-2.9%
7	HARRIS ASSOCIATES L P	$1.45B	8,687,496	1.93%	+68.1%
8	FMR LLC	$1.16B	6,954,123	0.05%	-31.7%
9	AQR CAPITAL MANAGEMENT LLC	$432.11M	2,607,451	0.15%	-29.0%
10	TWO SIGMA ADVISERS, LP	$243.44M	1,312,200	0.47%	+0.2%

Congressional Trading

STOCK Act7 trades

Date	Member	Type	Amount
Sep 23, 2026	Kevin Hern	Sell	$50,001 - $100,000
Sep 17, 2026	Kevin Hern