MRSH · Marsh & Mclennan Companies, Inc. · Insider Trading

$176.91 -0.38 (-0.21%) At close · Sep 11

S&P 500 member Russell 1000 member Rebalance outlook locked

Market Cap

$84.42B

477.21M

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 4 and 5. Form 3 supplies initial ownership rather than a trade; Form 4 must be filed within two business days of the trade.

Query insider transactions through the insider trading API or MCP →

Insider Sentiment Score

Peer-relative 0–100 rank of how aggressively insiders accumulated over the trailing 90 days. See the full ranking.

Net buyers

-4

Net shares bought

-0.01%

Net buy value

-$4,929,384

Date	Insider	Role	Type	Security	Shares	Price	Value	After
2026-09-02	Doyle John Q	President and CEO	Convert↑ Filing footnotes — Common Stock (Direct) This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.	Common Stock	16,656	$73.20	$1,219,136	133,467
2026-09-02	Doyle John Q	President and CEO	Convert↓ Filing footnotes — Stock Options (Right to Buy) (Direct) This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person. These options were granted on February 22, 2017 and vested in four equal annual installments on February 22nd of 2018, 2019, 2020 and 2021.	Stock Options (Right to Buy)	16,656	—	—	16,656
2026-09-02	Brennan Katherine	SVP and General Counsel	Convert↑	Common Stock	1,197	$83.05	$99,406	8,527
2026-09-02	Brennan Katherine	SVP and General Counsel	Convert↓ Filing footnotes — Stock Options (Right to Buy) (Direct) These options were granted on February 21, 2018 and vested in four equal annual installments on February 21st of 2019, 2020, 2021 and 2022.	Stock Options (Right to Buy)	1,197	—	—	0
2026-09-02	Brennan Katherine	SVP and General Counsel	Sell↓	Common Stock	1,197	$187.90	$224,915	7,330
2026-09-02	Doyle John Q	President and CEO	Sell↓ Filing footnotes — Common Stock (Direct) This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.	Common Stock	16,656	$188.51	$3,139,823	116,811
2026-08-15	MILLS STEVEN A	Director	Award↑ Filing footnotes — Common Stock (Direct) Acquired in connection with director fees pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan.	Common Stock	194	$188.45	$36,558	5,951
2026-08-15	BROUSSARD BRUCE D	Director	Award↑ Filing footnotes — Common Stock (Direct) Acquired in connection with director fees pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan.	Common Stock	192	$188.45	$36,181	1,617
2026-08-15	Lute Jane H	Director	Award↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Acquired in connection with director fees pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan. Not applicable.	Restricted Stk. Units-Dir. Stk. Plan	144	$188.45	$27,136	9,102
2026-08-15	SCHAPIRO MORTON O	Director	Award↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Acquired in connection with director fees pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan. Not applicable.	Restricted Stk. Units-Dir. Stk. Plan	218	$188.45	$41,081	91,137
2026-08-15	Yates Lloyd M	Director, Director and President & CEO	Award↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Acquired in connection with director fees pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan. Not applicable.	Restricted Stk. Units-Dir. Stk. Plan	223	$188.45	$42,023	12,679
2026-08-14	Siegmund Jan	Director	Other↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. Not applicable.	Restricted Stk. Units-Dir. Stk. Plan	12	$189.15	$2,270	2,310
2026-08-14	SCHAPIRO MORTON O	Director	Other↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. Not applicable.	Restricted Stk. Units-Dir. Stk. Plan	473	$189.15	$89,468	90,918
2026-08-14	Anderson Anthony	Director	Other↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. Not applicable.	Restricted Stk. Units-Dir. Stk. Plan	89	$189.15	$16,834	17,171
2026-08-14	HOPKINS DEBORAH C	Director	Other↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. Not applicable.	Restricted Stk. Units-Dir. Stk. Plan	112	$189.15	$21,185	21,526
2026-08-14	Yates Lloyd M	Director, Director and President & CEO	Other↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. Not applicable.	Restricted Stk. Units-Dir. Stk. Plan	64	$189.15	$12,106	12,455
2026-08-14	Lute Jane H	Director	Other↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. Not applicable.	Restricted Stk. Units-Dir. Stk. Plan	46	$189.15	$8,701	8,958
2026-08-14	Ingram Tamara	Director	Other↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. Not applicable.	Restricted Stk. Units-Dir. Stk. Plan	47	$189.15	$8,890	9,133
2026-08-06	Jones John Jude	Chief Marketing Officer	Sell↓	Common Stock	6,500	$191.96	$1,247,723	1,478
2026-07-29	Beswick Paul	SVP, Chief Information Officer	Sell↓ Filing footnotes — Common Stock (Direct) This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.	Common Stock	713	$198.00	$141,174	16,376
2026-07-28	South Martin	President & CEO, Marsh Risk	Sell↓ Filing footnotes — Common Stock (Direct) Includes 81.17 shares acquired under the Marsh & McLennan Companies, Inc. Employee Stock Purchase Plan for the quarters ended March 31 and June 30, 2026.	Common Stock	7,100	$189.99	$1,348,947	16,631
2026-07-23	Yates Lloyd M	Director, Director and President & CEO	Sell↓	Common Stock	12,000	$175.65	$2,107,800	12,000
2026-06-02	Doyle John Q	President and CEO	Convert↓ Filing footnotes — Stock Options (Right to Buy) (Direct) This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person. These options were granted on February 22, 2017 and vested in four equal annual installments on February 22nd of 2018, 2019, 2020 and 2021.	Stock Options (Right to Buy)	16,656	—	—	33,312
2026-06-02	Doyle John Q	President and CEO	Sell↓ Filing footnotes — Common Stock (Direct) This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.	Common Stock	16,656	$161.71	$2,693,442	116,811
2026-06-02	Doyle John Q	President and CEO	Convert↑ Filing footnotes — Common Stock (Direct) This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.	Common Stock	16,656	$73.20	$1,219,136	133,467
2026-06-01	Yates Lloyd M	Director, Director and President & CEO	Award↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Annual stock award of 1,349.82 shares pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan. Not Applicable	Restricted Stk. Units-Dir. Stk. Plan	1,349	$159.28	$214,869	12,390
2026-06-01	SCHAPIRO MORTON O	Director	Award↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Annual stock award of 1,349.82 shares pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan. Not applicable.	Restricted Stk. Units-Dir. Stk. Plan	1,349	$159.28	$214,869	90,445
2026-06-01	Harrison Peter	Director	Award↑ Filing footnotes — Common Stock (Direct) Annual stock award of 1,349 shares pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan.	Common Stock	1,349	$159.28	$214,869	1,349
2026-06-01	Siegmund Jan	Director	Award↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Annual stock award of 1,349.82 shares pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan. Not applicable.	Restricted Stk. Units-Dir. Stk. Plan	1,349	$159.28	$214,869	2,298
2026-06-01	MILLS STEVEN A	Director	Award↑ Filing footnotes — Common Stock (Direct) Annual stock award of 1,349 shares pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan.	Common Stock	1,349	$159.28	$214,869	5,757
2026-06-01	Harrison Peter	Director	Tax↓ Filing footnotes — Common Stock (Direct) Reflects shares withheld to cover applicable taxes on shares acquired with director fees pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan. The total reflects the reporting person's receipt of cash in lieu of a fractional share.	Common Stock	103	$159.28	$16,406	1,246
2026-06-01	Hartmann Judith	Director	Award↑ Filing footnotes — Common Stock (Direct) Annual stock award of 1,349 shares pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan.	Common Stock	1,349	$159.28	$214,869	4,323
2026-06-01	HANWAY H EDWARD	Director	Award↑ Filing footnotes — Common Stock (Direct) Annual stock award of 1,349 shares pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan.	Common Stock	1,349	$159.28	$214,869	36,867
2026-06-01	BROUSSARD BRUCE D	Director	Award↑ Filing footnotes — Common Stock (Direct) Annual stock award of 1,349 shares pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan.	Common Stock	1,349	$159.28	$214,869	1,425
2026-06-01	Lute Jane H	Director	Award↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Annual stock award of 1,349.82 shares pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan. Not Applicable	Restricted Stk. Units-Dir. Stk. Plan	1,349	$159.28	$214,869	8,911
2026-06-01	Anderson Anthony	Director	Award↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Annual stock award of 1,349.82 shares pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan. Not applicable.	Restricted Stk. Units-Dir. Stk. Plan	1,349	$159.28	$214,869	17,082
2026-06-01	HOPKINS DEBORAH C	Director	Award↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Annual stock award of 1,349.82 shares pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan. Not Applicable	Restricted Stk. Units-Dir. Stk. Plan	1,349	$159.28	$214,869	21,414
2026-06-01	Ingram Tamara	Director	Award↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Annual stock award of 1,349.82 shares pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan. Not Applicable	Restricted Stk. Units-Dir. Stk. Plan	1,349	$159.28	$214,869	9,086
2026-05-15	Lute Jane H	Director	Other↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. Not applicable.	Restricted Stk. Units-Dir. Stk. Plan	41	$160.60	$6,585	7,561
2026-05-15	Yates Lloyd M	Director, Director and President & CEO	Other↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. Not applicable.	Restricted Stk. Units-Dir. Stk. Plan	60	$160.60	$9,636	11,041
2026-05-15	Ingram Tamara	Director	Other↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. Not applicable.	Restricted Stk. Units-Dir. Stk. Plan	43	$160.60	$6,906	7,736
2026-05-15	SCHAPIRO MORTON O	Director	Award↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Acquired in connection with director fees pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan. Not applicable.	Restricted Stk. Units-Dir. Stk. Plan	256	$160.60	$41,114	88,600
2026-05-15	Yates Lloyd M	Director, Director and President & CEO	Award↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Acquired in connection with director fees pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan. Not applicable.	Restricted Stk. Units-Dir. Stk. Plan	225	$160.60	$36,135	10,980
2026-05-15	Anderson Anthony	Director	Other↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. Not applicable.	Restricted Stk. Units-Dir. Stk. Plan	87	$160.60	$13,972	15,732
2026-05-15	SCHAPIRO MORTON O	Director	Other↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. Not applicable.	Restricted Stk. Units-Dir. Stk. Plan	495	$160.60	$79,497	89,095
2026-05-15	Lute Jane H	Director	Award↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Acquired in connection with director fees pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan. Not applicable.	Restricted Stk. Units-Dir. Stk. Plan	169	$160.60	$27,141	7,520
2026-05-15	HOPKINS DEBORAH C	Director	Other↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. Not applicable.	Restricted Stk. Units-Dir. Stk. Plan	111	$160.60	$17,827	20,064
2026-05-15	Siegmund Jan	Director	Other↑ Filing footnotes — Restricted Stk. Units-Dir. Stk. Plan (Direct) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. Not applicable.	Restricted Stk. Units-Dir. Stk. Plan	5	$160.60	$803	948
2026-05-15	MILLS STEVEN A	Director	Award↑ Filing footnotes — Common Stock (Direct) Acquired in connection with director fees pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan.	Common Stock	264	$160.60	$42,398	4,408
2026-05-01	Beswick Paul	SVP, Chief Information Officer	Award↑ Filing footnotes — Restricted Stock Units (Direct) 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	Restricted Stock Units	14,907	—	—	14,907

Legend Buy — open-market purchase Sell — open-market sale ↑ Shares acquired ↓ Shares disposed (gift, conversion, tax…)

Showing 1–50 of 1,071 transactions

Key facts CIK 62709 CUSIP 571748102 13F (30d) 63 filings 49 filers Visit website Investor relations