MRX Form 144: Proposed Sale of Restricted Shares

MRX submitted a Form 144 notice reporting proposed sales of common stock by insiders or affiliates.

Rhea-AI Filing Summary

MRX submitted a Form 144 notice reporting proposed sales of common stock by insiders or affiliates. The filing lists multiple lots of restricted or privately acquired shares, including 12,912, 18,300, 16,744, 94, and 18,618 shares tied to acquisition dates from 12/29/2020 through 05/17/2024. The entries identify the issuer as the source for restricted stock unit grants and private transactions; timing and sale mechanics are not detailed in the excerpt.

Insights

Securities Compliance Analyst

Form 144 lists proposed dispositions of restricted and privately acquired MRX shares by insiders or affiliates.

The filing enumerates specific share lots—such as 12,912, 18,300, 16,744, 94, and 18,618—and ties them to acquisition dates and sources like RSUs and private transactions. These entries are typical pre-sale notices used to comply with resale rule reporting.

Cash‑flow treatment and the planned timing or method of sale are not shown in the provided excerpt; subsequent filings or brokerage records would disclose executed transactions.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does MRX's Form 144 report?

It reports proposed sales of common stock by insiders or affiliates. The excerpt lists share lots of 12,912, 18,300, 16,744, 94, and 18,618, acquired between 12/29/2020 and 05/17/2024, with sources noted as RSUs or private purchases.

Do MRX's listed shares come from compensation awards?

Yes, several lots are tied to restricted stock units (RSUs). The filing shows multiple entries labeled "Acquired as compensation -- Restricted Stock Units" with acquisition dates on 05/04/2023 and 05/17/2024.

Are the sale dates or methods specified in the MRX excerpt?

No, timing and sale mechanics are not specified in the provided excerpt. The entries identify acquisition dates and sources but do not list planned sale dates, brokers, or distribution methods in the text shown.

Does this Form 144 mean shares have already been sold?

No; Form 144 is a notice of proposed sale, not proof of completion. The excerpt lists proposed lots and acquisition details but does not confirm executed transactions or proceeds in this text.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/23/2026 - 04:36 PM EST Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002057942
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Marex Group plc
SEC File Number	001-42020
Address of Issuer	155 Bishopsgate London UNITED KINGDOM EC2M 3TQ
Phone	44-2076-556000
Name of Person for Whose Account the Securities are To Be Sold	Paolo Roberto Tonucci
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	Goldman Sachs & Co. LLC 200 West Street New York NY 10282	66668	2663386.6	71231706	02/23/2026	NASD

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock	05/04/2023	Acquired as compensation -- Restricted Stock Units	The Issuer			12912	05/04/2023	Compensation
Common Stock	05/04/2023	Acquired as compensation -- Restricted Stock Units	The Issuer			18300	05/04/2023	Compensation
Common Stock	05/17/2024	Acquired as compensation -- Restricted Stock Units	The Issuer			16744	05/17/2024	Compensation
Common Stock	12/29/2020	Acquired from issuer in private transaction	The Issuer			94	12/29/2020	None
Common Stock	02/26/2021	Acquired from issuer in private transaction	The Issuer			18618	02/26/2021	None

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks	The sales of shares set forth herein are made in connection with a selling plan dated 22nd October 2025 that is intended to comply with Rule 10b5-1(c).
Date of Notice	02/23/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	10/22/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	Goldman Sachs & Co. LLC on behalf of Paolo Roberto Tonucci
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)