6-K 1 a6kfiling-coverpages2025gr.htm 6-K
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 March 2026
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 Office)
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
2025 Group Annual Report and Accounts
On March 25, 2026, Marex Group plc (the “Company”) published its 2025 Group Annual Report and Accounts to shareholders. A copy of the 2025 Group Annual Report and Accounts to shareholders 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 |  | “Marex Group plc 202 5 Group Annual Report and Accounts to shareholders” |  |

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: March 25, 2026 |  |  | By: | /s/ Robert Irvin
|  |  |  | Robert Irvin
|  |  |  | Chief Financial Officer