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Marsh & Mclennan Companies, Inc. (MRSH)

Marsh & Mclennan Companies, Inc. (MRSH) Insider Trading

Directors, officers and holders of more than 10% of MRSH report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 136 transactions on file: 0 with code P, 9 with code S and 41 with other codes.

DateInsiderCodeShares
Oct 23, 2026Mills StacyS Sale1,215
Oct 23, 2026Klisura Dean MichaelS Sale4,194
Sep 2, 2026Brennan KatherineM Exercise1,197
Sep 2, 2026Doyle John QM Exercise16,656
Sep 2, 2026Doyle John QM Exercise16,656
Sep 2, 2026Brennan KatherineS Sale1,197
Sep 2, 2026Doyle John QS Sale16,656
Sep 2, 2026Brennan KatherineM Exercise1,197
Aug 15, 2026BROUSSARD BRUCE DA Award192
Aug 15, 2026MILLS STEVEN AA Award194
Aug 15, 2026Yates Lloyd MA Award224
Aug 15, 2026Lute Jane HA Award144
Aug 15, 2026SCHAPIRO MORTON OA Award219
Aug 14, 2026Yates Lloyd MJ Other65
Aug 14, 2026HOPKINS DEBORAH CJ Other112
Aug 14, 2026Ingram TamaraJ Other48
Aug 14, 2026Anderson AnthonyJ Other89
Aug 14, 2026SCHAPIRO MORTON OJ Other473
Aug 14, 2026Lute Jane HJ Other47
Aug 14, 2026Siegmund JanJ Other12
Aug 6, 2026Jones John JudeS Sale6,500
Jul 29, 2026Beswick PaulS Sale713
Jul 28, 2026South MartinS Sale7,100
Jul 23, 2026Yates Lloyd MS Sale12,000
Jun 2, 2026Doyle John QM Exercise16,656
Jun 2, 2026Doyle John QS Sale16,656
Jun 2, 2026Doyle John QM Exercise16,656
Jun 1, 2026Yates Lloyd MA Award1,350
Jun 1, 2026Anderson AnthonyA Award1,350
Jun 1, 2026HOPKINS DEBORAH CA Award1,350
Jun 1, 2026SCHAPIRO MORTON OA Award1,350
Jun 1, 2026Lute Jane HA Award1,350
Jun 1, 2026HANWAY H EDWARDA Award1,349
Jun 1, 2026Hartmann JudithA Award1,349
Jun 1, 2026Harrison PeterF Tax Payment103
Jun 1, 2026Harrison PeterA Award1,350
Jun 1, 2026BROUSSARD BRUCE DA Award1,349
Jun 1, 2026MILLS STEVEN AA Award1,349
Jun 1, 2026Ingram TamaraA Award1,350
Jun 1, 2026Siegmund JanA Award1,350
May 15, 2026SCHAPIRO MORTON OA Award257
May 15, 2026Yates Lloyd MJ Other60
May 15, 2026Lute Jane HJ Other41
May 15, 2026Lute Jane HA Award169
May 15, 2026Siegmund JanJ Other5
May 15, 2026Anderson AnthonyJ Other88
May 15, 2026HOPKINS DEBORAH CJ Other112
May 15, 2026Ingram TamaraJ Other43
May 15, 2026Yates Lloyd MA Award226
May 15, 2026MILLS STEVEN AA Award264

The full Form 4 history is on the MRSH company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.