Marex files Form 6-K on insider share purchases, Oct 15, 2025

Rhea-AI Filing Summary

Marex Group plc furnished a Form 6-K noting a company press release on insider share activity. On October 15, 2025, the company announced that its directors and officers purchased ordinary shares.

The press release is provided as Exhibit 99.1 titled “Marex announces share purchases by Directors and Officers.”

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 October 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

Purchase of Ordinary Shares by Directors and Officers

On October 15, 2025, Marex Group plc (the “Company”) issued a press release titled “Marex announces share purchases by Directors and Officers”. 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 October 15, 2025 titled “Marex announces share purchases by Directors and Officers”

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: October 15, 2025				By:		/s/ Robert Irvin
						Robert Irvin
						Chief Financial Officer

FAQ

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

Marex reported a press release announcing ordinary share purchases by its directors and officers, furnished as Exhibit 99.1.

When was the Marex insider share purchase announcement made?

The company issued the press release on October 15, 2025.

Where can I find details on the directors’ and officers’ share purchases for MRX?

Details are in Exhibit 99.1, titled “Marex announces share purchases by Directors and Officers.”

Does the 6-K include financial results or guidance for MRX?

This report furnishes a press release about insider share purchases; it does not present financial results in the provided excerpt.

Is this filing related to issuing new MRX shares?

The filing references purchases by directors and officers and furnishes a press release; it does not state an issuance of new shares in the provided excerpt.

What is the form type filed by Marex Group (MRX)?

Marex filed a Form 6-K, a report of a foreign private issuer.