MRSH: 10-Q financial filing

mrsh-20260930 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 _____________________________________________ FORM 10-Q _____________________________________________ (Mark One) ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended September 30, 2026 OR ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from________ to________. ____________________________________________ Marsh & McLennan Companies, Inc. 1166 Avenue of the Americas New York , New York 10036 ( 212 ) 345-5000 _____________________________________________ Commission file number 1-5998 State of Incorporation: Delaware I.R.S. Employer Identification No. 36-2668272 _____________________________________________ Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading symbol(s) Name of exchange on which registered Common Stock, par value $1.00 per share MRSH New York Stock Exchange NYSE Texas Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ý No ¨ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes ý No ¨ Indicate by check mark whether the registrant is a large accelerated