mmc-20260721 0000062709 false NYSETX 0000062709 2026-07-21 2026-07-21 0000062709 exch:XNYS 2026-07-21 2026-07-21 0000062709 exch:XCHI 2026-07-21 2026-07-21 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C.  20549 _____________________ FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) July 21, 2026 @ Marsh & McLennan Companies, Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 1-5998 36-2668272 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.) 1166 Avenue of the Americas, New York, NY 10036 (Address of Principal Executive Offices) (Zip Code) Registrant’s telephone number, including area code (212) 345-5000 Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) 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 is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ Item 2.02        Results of Operations and Financial Condition On July 21, 2026, Marsh & McLennan Companies, Inc. issued a press release reporting financial results for the second quarter ended June 30, 2026, and announcing that a conference call to discuss such results will be held at 8:30 a.m. Eastern time on July 21, 2026. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference. For purposes of Section 18 of the Securities Exchange Act of 1934, the press release is deemed furnished not filed. Item 9.01        Financial Statements and Exhibits (d)        Exhibits 99.1      Press release issued by Marsh & McLennan Companies, Inc. on July 21, 2026. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. MARSH & McLENNAN COMPANIES, INC. By: /s/ Connor Kuratek Name: Connor Kuratek Title: Deputy General Counsel & Corporate Secretary Date:    July 21, 2026 3 EXHIBIT INDEX Exhibit No. Exhibit 99.1 Press release issued by Marsh & McLennan Companies, Inc. on July 21, 2026 4

Marsh & McLennan Companies reported its second quarter 2026 financial results on July 21, 2026, with a conference call scheduled to discuss performance metrics and financial health.

On July 21, 2026, Marsh & McLennan Companies, Inc. reported its financial results for the second quarter ended June 30, 2026. The announcement included details about the company's performance and key metrics, showcasing trends and financial health. Additionally, a conference call was scheduled for the same date at 8:30 a.m. Eastern Time to discuss these results further. This information is crucial for investors and analysts tracking the company's ongoing financial condition and operational effectiveness.

Marsh & McLennan Companies, Inc.

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