Marex Group plc (MRX) files Form 6-K with Q3 2025 results release

Rhea-AI Filing Summary

Marex Group plc has submitted a Form 6-K as a foreign private issuer to furnish its third quarter 2025 earnings information. The filing does not contain the financial results directly, but instead attaches the Company’s press release titled “Marex Group plc announces third quarter 2025 results” as Exhibit 99.1. Investors need to review this exhibit to see the detailed figures and commentary on the quarter’s performance.

Form 6-K: How Foreign Companies Report to the SEC →

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO SECTION 13A-16 OR 15D-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of November 2025

Commission File Number: 001-42020

MAREX GROUP PLC

(Translation of registrant’s name into English)

155 Bishopsgate
London EC2M 3TQ
United Kingdom
+44 20 7655 6000 140 East 45th Street, 10th Floor
New York, New York 10017
(212) 618-2800

(Address of Principal Executive Offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒ Form 40-F ☐

EXPLANATORY NOTE

Earnings Results

On November 6, 2025, Marex Group plc (the “Company”) issued a press release titled “Marex Group plc announces third quarter 2025 results”. A copy of the press release is furnished as Exhibit 99.1 herewith.

EXHIBIT INDEX

The following exhibit is furnished as part of this Form 6-K:

Exhibit No.

Description

99.1

Press Release dated November 6, 2025 titled “Marex Group plc announces third quarter 2025 results”

SIGNATURE

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, thereunto duly authorized.

Marex Group plc

Date: November 6, 2025

By:

/s/ Robert Irvin

Robert Irvin

Chief Financial Officer

FAQ

What does Marex Group plc (MRX) disclose in this Form 6-K?

The Form 6-K from Marex Group plc furnishes a press release titled “Marex Group plc announces third quarter 2025 results” as Exhibit 99.1, which contains the company’s Q3 2025 earnings details.

Where can investors find Marex Group plc’s Q3 2025 financial results?

Investors can find the Q3 2025 financial results in Exhibit 99.1 to this Form 6-K, which is the press release titled “Marex Group plc announces third quarter 2025 results.”

Does the Marex Group plc (MRX) 6-K itself include detailed earnings numbers?

The 6-K itself does not present detailed numbers; it indicates that the earnings information is provided in the attached press release furnished as Exhibit 99.1.

Why did Marex Group plc file this Form 6-K?

Marex Group plc filed this Form 6-K to make its third quarter 2025 earnings press release publicly available to U.S. investors by furnishing it as Exhibit 99.1 under the Securities Exchange Act of 1934.

Who signed the Marex Group plc Form 6-K for the Q3 2025 results release?

The Form 6-K was signed on behalf of Marex Group plc by Robert Irvin, the company’s Chief Financial Officer.