Marex Group executive sells 14,427 shares

Marex Group plc Group Head of Clearing Thomas Texier sold a total of 14,427 Ordinary Shares in open-market transactions.

Rhea-AI Filing Summary

Marex Group plc Group Head of Clearing Thomas Texier sold a total of 14,427 Ordinary Shares in open-market transactions. The sales on May 1, 2026 were executed at weighted average prices of $52.8713 and $53.5287 per share under a pre-arranged Rule 10b5-1 plan.

Following these transactions, Texier directly owns 228,231 Ordinary Shares, which the disclosure states includes 192,348 shares underlying previously granted deferred bonus plan awards that settle into one ordinary share each upon vesting.

Insider Trade Summary 10b5-1

Net Seller: 14,427 shares

Net Sell 2 txns

Insider Texier Thomas

Role Group Head of Clearing

Sold 14,427 shs ($764K)

Type	Security	Shares	Price	Value
Sale	Ordinary Shares	11,821	$52.8713	$625K
Sale	Ordinary Shares	2,606	$53.5287	$139K

Holdings After Transaction: Ordinary Shares — 228,231 shares (Direct)

Footnotes (4)

1. F1. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on September 10, 2025.
2. F2. The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $52.42 to $53.415, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
3. F3. The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $53.42 to $53.72, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
4. F4. The number of ordinary shares reported herein includes 192,348 shares underlying deferred bonus plan 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.

Key Figures

Total shares sold: 14,427 shares First block sold: 2,606 shares at $53.5287 Second block sold: 11,821 shares at $52.8713 +3 more

6 metrics

Total shares sold 14,427 shares Open-market sales on May 1, 2026

First block sold 2,606 shares at $53.5287 Ordinary Shares, open-market sale

Second block sold 11,821 shares at $52.8713 Ordinary Shares, open-market sale

Post-transaction holdings 228,231 shares Direct ownership after May 1, 2026 sales

Deferred bonus plan component 192,348 shares Shares underlying deferred bonus plan awards included in total

Trading plan date September 10, 2025 Date Rule 10b5-1 plan was entered into

Key Terms

Rule 10b5-1 plan, weighted average price, deferred bonus plan awards, open-market sale

4 terms

Rule 10b5-1 plan regulatory

"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 plan"

A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.

weighted average price financial

"The price reported in Column 4 is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

deferred bonus plan awards financial

"includes 192,348 shares underlying deferred bonus plan awards previously granted"

Deferred bonus plan awards are payments promised to employees or executives that are earned now but paid out later, often only if certain performance goals are met or the employee remains with the company. For investors, they matter because they influence management’s incentives and company expenses over time—like a delayed paycheck that encourages someone to stay and meet targets—and can affect future cash needs, reported compensation costs, and potential share dilution.

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

FAQ

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

What insider transaction did Marex Group (MRX) report for Thomas Texier?

Marex Group reported that Group Head of Clearing Thomas Texier sold a total of 14,427 Ordinary Shares on May 1, 2026 in open-market transactions, according to a Form 4 insider filing with U.S. regulators.

At what prices did Thomas Texier sell Marex Group (MRX) shares?

The Form 4 states Texier sold 2,606 shares at a weighted average price of $53.5287 and 11,821 shares at a weighted average price of $52.8713, with individual trade prices within specified ranges around those levels.

How many Marex Group (MRX) shares does Thomas Texier hold after the sale?

After the reported sales, Texier directly holds 228,231 Ordinary Shares of Marex Group. The filing notes this figure includes 192,348 shares underlying deferred bonus plan awards that each convert into one ordinary share upon vesting and settlement.

Was the Marex Group (MRX) insider sale by Thomas Texier pre-planned?

Yes. A Form 4 footnote explains the sale was executed under a Rule 10b5-1 trading plan entered into by Texier on September 10, 2025, indicating the transactions were pre-arranged rather than decided at the time of sale.

What do the weighted average prices mean in the Marex Group (MRX) Form 4?

The filing says reported prices are weighted averages. Individual trades occurred within ranges, for example from $52.42 to $53.415. Texier has undertaken to provide full trade breakdowns by price to the issuer, shareholders, or SEC staff upon request.

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

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

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Texier Thomas

(Last) (First) (Middle)

C/O MAREX GROUP PLC, 155 BISHOPSGATE

(Street)

LONDON UNITED KINGDOM EC2M 3TQ

(City) (State) (Zip)

UNITED KINGDOM

(Country)

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Group Head of Clearing

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/01/2026

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

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

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

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Ordinary Shares	05/01/2026		S(1)		11,821	D	$52.8713(2)	230,837	D
Ordinary Shares	05/01/2026		S(1)		2,606	D	$53.5287(3)	228,231(4)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on September 10, 2025.

2. The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $52.42 to $53.415, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

3. The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $53.42 to $53.72, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

4. The number of ordinary shares reported herein includes 192,348 shares underlying deferred bonus plan 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.

	/s/ Scott Linsley as Attorney-in-Fact, for Thomas Texier	05/05/2026
	** 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 4 (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 4: SEC 1474 (03-26)