SEC INSIDER TRANSACTIONS

MARSH & MCLENNAN COMPANIES, INC. (MRSH) Insider Transactions

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MRSH · MARSH & MCLENNAN COMPANIES, INC.

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Roles: director,officer,ten_percent_owner,otherOwner nameOfficer titleOwnership: D, I, unknownoriginal or amendedTransaction fromTransaction throughFiled fromFiled throughMinimum quantityMaximum quantityMinimum priceMaximum priceMinimum calculated valueMaximum calculated valueResults per page (1–100)

OR within codes/roles; AND between categories. Roles apply to buyers and sellers. Owner predicates match the same owner. Missing values fail numeric/date filters. Value is quantity × reported price for non-derivative rows only; derivative values are unknown. Amendments stay separate; joint owners do not duplicate rows.

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Stale snapshot · Covered: filings 2026-05-14 to 2026-10-27 · 38 filings · fetched 2026-10-27T16:15:55Z

Recent reported activity

0purchase rows on this page

8sale rows on this page

51matching filing rows

Purchases and sales count original non-derivative P and S rows. Awards, gifts, exercises, derivatives and amendments are shown separately and are not described as market purchases.

Transaction / filed	Reporting owner(s)	Code / security	Quantity	Price as filed	Ownership	Source
2026-10-23Filed 2026-10-26	Mills StacyOfficer · Vice President and Controller Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person. F2 The amount reported reflects a reduction of 231 shares to correct the underreporting of tax withholding on the prior report. References: F1, F2	S Sale (market/private)Common Stock · Non-derivative	1,215D	200	Direct	Form 4 ↗0000062709-26-000263
2026-10-23Filed 2026-10-26	Klisura Dean MichaelOfficer · President & CEO, Marsh RE Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person. References: F1	S Sale (market/private)Common Stock · Non-derivative	4,194D	200	Direct	Form 4 ↗0000062709-26-000264
2026-09-02Filed 2026-09-03	Brennan KatherineOfficer · SVP and General Counsel Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 These options were granted on February 21, 2018 and vested in four equal annual installments on February 21st of 2019, 2020, 2021 and 2022. References: F1	M Exercise / conversionStock Options (Right to Buy) · Derivative	1,197D	0	Direct	Form 4 ↗0000062709-26-000229
2026-09-02Filed 2026-09-03	Brennan KatherineOfficer · SVP and General Counsel Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 These options were granted on February 21, 2018 and vested in four equal annual installments on February 21st of 2019, 2020, 2021 and 2022. References:	S Sale (market/private)Common Stock · Non-derivative	1,197D	187.899	Direct	Form 4 ↗0000062709-26-000229
2026-09-02Filed 2026-09-03	Brennan KatherineOfficer · SVP and General Counsel Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 These options were granted on February 21, 2018 and vested in four equal annual installments on February 21st of 2019, 2020, 2021 and 2022. References:	M Exercise / conversionCommon Stock · Non-derivative	1,197A	83.046	Direct	Form 4 ↗0000062709-26-000229
2026-09-02Filed 2026-09-03	Doyle John QOfficer · President and CEO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person. F2 These options were granted on February 22, 2017 and vested in four equal annual installments on February 22nd of 2018, 2019, 2020 and 2021. References: F1, F2	M Exercise / conversionStock Options (Right to Buy) · Derivative	16,656D	0	Direct	Form 4 ↗0000062709-26-000228
2026-09-02Filed 2026-09-03	Doyle John QOfficer · President and CEO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person. F2 These options were granted on February 22, 2017 and vested in four equal annual installments on February 22nd of 2018, 2019, 2020 and 2021. References: F1	S Sale (market/private)Common Stock · Non-derivative	16,656D	188.51	Direct	Form 4 ↗0000062709-26-000228
2026-09-02Filed 2026-09-03	Doyle John QOfficer · President and CEO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person. F2 These options were granted on February 22, 2017 and vested in four equal annual installments on February 22nd of 2018, 2019, 2020 and 2021. References: F1	M Exercise / conversionCommon Stock · Non-derivative	16,656A	73.195	Direct	Form 4 ↗0000062709-26-000228
2026-08-15Filed 2026-08-18	SCHAPIRO MORTON ODirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. F2 Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. F3 Not applicable. F4 Acquired in connection with director fees pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan. References: F1, F4, F3	A Award / grantRestricted Stk. Units-Dir. Stk. Plan · Derivative	218.9A	188.445	Direct	Form 4 ↗0000062709-26-000225
2026-08-15Filed 2026-08-18	Yates Lloyd MDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. F2 Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. F3 Not applicable. F4 Acquired in connection with director fees pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan. References: F1, F4, F3	A Award / grantRestricted Stk. Units-Dir. Stk. Plan · Derivative	223.73A	188.445	Direct	Form 4 ↗0000062709-26-000221
2026-08-15Filed 2026-08-18	Lute Jane HDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. F2 Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. F3 Not applicable. F4 Acquired in connection with director fees pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan. References: F1, F4, F3	A Award / grantRestricted Stk. Units-Dir. Stk. Plan · Derivative	144.27A	188.445	Direct	Form 4 ↗0000062709-26-000220
2026-08-15Filed 2026-08-18	MILLS STEVEN ADirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Acquired in connection with director fees pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan. References: F1	A Award / grantCommon Stock · Non-derivative	194A	188.445	Direct	Form 4 ↗0000062709-26-000218
2026-08-15Filed 2026-08-18	BROUSSARD BRUCE DDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Acquired in connection with director fees pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan. References: F1	A Award / grantCommon Stock · Non-derivative	192A	188.445	Direct	Form 4 ↗0000062709-26-000217
2026-08-14Filed 2026-08-18	SCHAPIRO MORTON ODirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. F2 Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. F3 Not applicable. F4 Acquired in connection with director fees pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan. References: F1, F2, F3	J Other reported codeRestricted Stk. Units-Dir. Stk. Plan · Derivative	473.39A	189.15	Direct	Form 4 ↗0000062709-26-000225
2026-08-14Filed 2026-08-18	Anderson AnthonyDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. F2 Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. F3 Not applicable. References: F1, F2, F3	J Other reported codeRestricted Stk. Units-Dir. Stk. Plan · Derivative	89.41A	189.15	Direct	Form 4 ↗0000062709-26-000224
2026-08-14Filed 2026-08-18	HOPKINS DEBORAH CDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. F2 Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. F3 Not applicable. References: F1, F2, F3	J Other reported codeRestricted Stk. Units-Dir. Stk. Plan · Derivative	112.08A	189.15	Direct	Form 4 ↗0000062709-26-000223
2026-08-14Filed 2026-08-18	Ingram TamaraDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. F2 Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. F3 Not applicable. References: F1, F2, F3	J Other reported codeRestricted Stk. Units-Dir. Stk. Plan · Derivative	47.56A	189.15	Direct	Form 4 ↗0000062709-26-000222
2026-08-14Filed 2026-08-18	Yates Lloyd MDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. F2 Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. F3 Not applicable. F4 Acquired in connection with director fees pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan. References: F1, F2, F3	J Other reported codeRestricted Stk. Units-Dir. Stk. Plan · Derivative	64.85A	189.15	Direct	Form 4 ↗0000062709-26-000221
2026-08-14Filed 2026-08-18	Lute Jane HDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. F2 Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. F3 Not applicable. F4 Acquired in connection with director fees pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan. References: F1, F2, F3	J Other reported codeRestricted Stk. Units-Dir. Stk. Plan · Derivative	46.64A	189.15	Direct	Form 4 ↗0000062709-26-000220
2026-08-14Filed 2026-08-18	Siegmund JanDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. F2 Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan. F3 Not applicable. References: F1, F2, F3	J Other reported codeRestricted Stk. Units-Dir. Stk. Plan · Derivative	12.03A	189.15	Direct	Form 4 ↗0000062709-26-000219
2026-08-06Filed 2026-08-07	Jones John JudeOfficer · Chief Marketing Officer Filing context Reported filing row; may be amended. Do not sum filings blindly. References:	S Sale (market/private)Common Stock · Non-derivative	6,500D	191.9574	Direct	Form 4 ↗0000062709-26-000206
2026-07-29Filed 2026-07-31	Beswick PaulOfficer · SVP, Chief Information Officer Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person. References: F1	S Sale (market/private)Common Stock · Non-derivative	713D	198	Direct	Form 4 ↗0000062709-26-000204
2026-07-28Filed 2026-07-29	South MartinOfficer · Chief Client Officer Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 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. References: F1	S Sale (market/private)Common Stock · Non-derivative	7,100D	189.9925	Direct	Form 4 ↗0000062709-26-000201
2026-07-23Filed 2026-07-24	Yates Lloyd MDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. References:	S Sale (market/private)Common Stock · Non-derivative	12,000D	175.65	Direct	Form 4 ↗0000062709-26-000198
2026-06-02Filed 2026-06-03	Doyle John QOfficer · President and CEO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person. F2 These options were granted on February 22, 2017 and vested in four equal annual installments on February 22nd of 2018, 2019, 2020 and 2021. References: F1, F2	M Exercise / conversionStock Options (Right to Buy) · Derivative	16,656D	0	Direct	Form 4 ↗0000062709-26-000164

Imported instruments only. Joint owners do not multiply transactions. Amendments are separate filing rows, not additional trades. No aggregate trade totals are implied.