Marex Group (MRX) clearing head sells 14,427 shares, retains 242,658

Rhea-AI Filing Summary

Marex Group plc executive Thomas Texier, Group Head of Clearing, reported open-market sales of company ordinary shares. On April 1, 2026, he sold 9,589 shares at a weighted average price of $43.2754 and 4,838 shares at a weighted average price of $43.9743 under a pre-arranged Rule 10b5-1 plan entered into on September 10, 2025.

Following these transactions, Texier directly holds 242,658 ordinary shares of Marex Group plc. This figure includes 192,348 shares underlying deferred bonus plan awards, each representing a contingent right to receive one ordinary share upon vesting and settlement.

Insider Trade Summary 10b5-1

Net Seller: 14,427 shares ($627,715)

Net Sell 2 txns

Insider Texier Thomas

Role Group Head of Clearing

Sold 14,427 shs ($628K)

Type	Security	Shares	Price	Value
Sale	Ordinary Shares	9,589	$43.2754	$415K
Sale	Ordinary Shares	4,838	$43.9743	$213K

Holdings After Transaction: Ordinary Shares — 247,496 shares (Direct)

Footnotes (1)

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. The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $42.77 to $43.7650 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. The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $43.77 to $44.32, 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. 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

Shares sold (first trade): 9,589 shares Price per share (first trade): $43.2754 per share Shares sold (second trade): 4,838 shares +5 more

8 metrics

Shares sold (first trade) 9,589 shares Open-market sale of ordinary shares on April 1, 2026 at $43.2754

Price per share (first trade) $43.2754 per share Weighted average sale price for 9,589 shares on April 1, 2026

Shares sold (second trade) 4,838 shares Open-market sale of ordinary shares on April 1, 2026 at $43.9743

Price per share (second trade) $43.9743 per share Weighted average sale price for 4,838 shares on April 1, 2026

Total shares sold 14,427 shares Combined open-market sales reported in the Form 4

Shares held after transactions 242,658 shares Direct Marex Group ordinary share holdings after April 1, 2026 sales

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

Rule 10b5-1 plan date September 10, 2025 Date Texier entered into pre-arranged trading plan

Key Terms

Rule 10b5-1 plan, weighted average price, deferred bonus plan awards, contingent right

4 terms

Rule 10b5-1 plan regulatory

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

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. These shares were sold in transactions"

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

"The number of ordinary shares reported herein 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.

contingent right financial

"Each award represents a contingent right to receive one (1) ordinary share of the Issuer upon vesting"

Form 4 Insider Transactions: What Each Field Means →

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)
04/01/2026

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	04/01/2026		S(1)		9,589	D	$43.2754(2)	247,496	D
Ordinary Shares	04/01/2026		S(1)		4,838	D	$43.9743(3)	242,658(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 $42.77 to $43.7650 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 $43.77 to $44.32, 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	04/02/2026
	** 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)

FAQ

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

Marex Group (MRX) reported that executive Thomas Texier conducted open-market sales of ordinary shares. On April 1, 2026, he sold a total of 14,427 shares in two separate transactions at weighted average prices above $43 per share.

How many Marex Group (MRX) shares did Thomas Texier sell and at what prices?

Thomas Texier sold 9,589 Marex Group (MRX) ordinary shares at a weighted average price of $43.2754 and 4,838 shares at a weighted average price of $43.9743. These trades were reported as open-market sales in a Form 4 filing.

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

After the reported sales, Thomas Texier holds 242,658 Marex Group (MRX) ordinary shares directly. This total includes 192,348 shares underlying deferred bonus plan awards, which are contingent rights to receive one ordinary share per award upon vesting and settlement.

Was the Marex Group (MRX) insider sale by Thomas Texier under a Rule 10b5-1 plan?

Yes. The filing states the Marex Group (MRX) share sale by Thomas Texier was executed under a Rule 10b5-1 trading plan. This pre-arranged plan was entered into on September 10, 2025, indicating the transactions were scheduled in advance.

What does the weighted average price mean in the Marex Group (MRX) Form 4 filing?

The weighted average price in the Marex Group (MRX) Form 4 filing reflects multiple trades within a price range. For Texier’s sales, shares were sold between $42.77 and $44.32, and the reported prices combine those individual trades into single weighted averages for disclosure.