Marex Group (MRX) director Ing Sarah details initial share stake

Rhea-AI Filing Summary

Marex Group plc director Ing Sarah has filed an initial Form 3 showing her ownership of the company’s ordinary shares. She reports 10,135 ordinary shares held directly, which include 2,787 shares underlying previously granted restricted share awards that may settle into ordinary shares upon vesting. She also reports 535 ordinary shares held indirectly through her spouse.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Ing Sarah

Role Director

Type	Security	Shares	Price	Value
holding	Ordinary Shares	--	--	--
holding	Ordinary Shares	--	--	--

Holdings After Transaction: Ordinary Shares — 10,135 shares (Direct); Ordinary Shares — 535 shares (Indirect, By spouse)

Footnotes (1)

1. F1. The number of ordinary shares reported herein includes 2,787 shares underlying restricted share awards previously granted to the Reporting Person. Each award represents a contingent right to receive one (1) ordinary share of the Issuer upon vesting and settlement of the applicable award.

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Accepted by SEC EDGAR 03/18/2026 - 04:05 PM Learn about SEC filing dates

FAQ

What does Marex Group (MRX) director Ing Sarah report in this Form 3?

Ing Sarah reports her initial beneficial ownership in Marex Group ordinary shares. She holds 10,135 shares directly, including 2,787 underlying restricted share awards, and 535 shares indirectly via her spouse, establishing her starting equity position as a director.

How many Marex Group (MRX) shares does Ing Sarah hold directly?

Ing Sarah reports direct ownership of 10,135 Marex Group ordinary shares. This total includes 2,787 shares underlying restricted share awards, which represent contingent rights to receive ordinary shares upon vesting and settlement of those awards.

What are the restricted share awards noted in Ing Sarah’s Marex Group (MRX) filing?

The filing notes 2,787 shares underlying restricted share awards granted to Ing Sarah. Each award represents a contingent right to receive one Marex Group ordinary share when the award vests and is settled, so these shares are not yet fully delivered.

Does Ing Sarah have indirect ownership of Marex Group (MRX) shares?

Yes, Ing Sarah reports indirect ownership of 535 Marex Group ordinary shares. These shares are held by her spouse, and are reported as indirect beneficial ownership in addition to her directly held and restricted share award-related holdings.

Does this Marex Group (MRX) Form 3 show any recent share purchases or sales by Ing Sarah?

No explicit purchases or sales are shown; the Form 3 reports holdings. The entries describe direct and indirect ownership levels, including restricted share awards, rather than listing new buy or sell transactions in Marex Group stock.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Ing Sarah

(Last) (First) (Middle)

C/O MAREX GROUP PLC

155 BISHOPSGATE

(Street)

LONDON EC2M 3TQ

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Marex Group plc [ MRX ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Ordinary Shares	10,135(1)	D
Ordinary Shares	535	I	By spouse

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The number of ordinary shares reported herein includes 2,787 shares underlying restricted share awards previously granted to the Reporting Person. Each award represents a contingent right to receive one (1) ordinary share of the Issuer upon vesting and settlement of the applicable award.

Remarks:

Exhibit 24 - Power of Attorney

	/s/ Scott Linsley, as Attorney-in-Fact	03/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)