Marex President Simon Van Den Born sells 22,456 shares

Q: What were the sale prices for Simon Van Den Born’s MRX transactions?

On November 5, 2026, the blocks were 6,422 shares at a weighted average of $64.7773 per share; 6,215 at $65.8130; 4,451 at $66.6635; 2,046 at $67.6775; 3,101 at $68.6950; and 221 at $69.3644. Footnotes describe each reported price as a weighted average.

Q: What did Marex report about Simon Van Den Born’s deferred bonus awards?

The reported ordinary-share amount includes 272,659 shares underlying unvested deferred bonus plan awards previously granted to President Simon Van Den Born. Each award represents a contingent right to receive one ordinary share upon vesting and settlement.

Marex Group Ltd (MRX) President Simon Van Den Born sold 22,456 ordinary shares on November 5, 2026, in six reported transactions.

Available on EDGAR 11/09/2026 - 04:05 PM EST Accepted by SEC EDGAR 11/09/2026 - 04:05 PM EST

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Rhea-AI Filing Summary

Marex Group Ltd (MRX) President Simon Van Den Born sold 22,456 ordinary shares on November 5, 2026, in six reported transactions. The sales were effected pursuant to a Rule 10b5-1 plan entered into on June 12, 2026. The six reported weighted-average prices were $64.7773, $65.8130, $66.6635, $67.6775, $68.6950 and $69.3644 per share.

Insider Trade Summary 10b5-1

Net Seller: 22,456 shares

Net Sell 6 txns

Insider Van Den Born Simon

Role President

Sold 22,456 shs ($1.49M)

Share of Position Sold 1.5%

Type	Security	Shares	Price	Value
Sale	Ordinary Shares ^{F1, F2}	6,422	$64.7773	$416K
Sale	Ordinary Shares ^{F1, F3}	6,215	$65.813	$409K
Sale	Ordinary Shares ^{F1, F4}	4,451	$66.6635	$297K
Sale	Ordinary Shares ^{F1, F5}	2,046	$67.6775	$138K
Sale	Ordinary Shares ^{F1, F6}	3,101	$68.695	$213K
Sale	Ordinary Shares ^{F1, F7, F8}	221	$69.3644	$15K

Holdings After Transaction: Ordinary Shares — 1,432,620 shares (Direct)

Holdings Before and After: Ordinary Shares, 1,455,076 to 1,432,620 shares (Direct)

Other Insiders: 1 other insider reported open-market sales of this stock in the 30 days up to this filing.

Footnotes (8)

F1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on June 12, 2026.
F2. The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $64.17 to $65.16 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.
F3. The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $65.17 to $66.155 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.
F4. The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $66.1725 to $67.165 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.
F5. The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $67.2075 to $68.13 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.
F6. The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $68.17 to $69.0375 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.
F7. The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $69.24 to $69.61 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.
F8. The number of ordinary shares reported herein includes 272,659 shares underlying unvested 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

Ordinary shares sold / weighted-average price: 6,422 shares at $64.7773 per share Ordinary shares sold / weighted-average price: 6,215 shares at $65.8130 per share Ordinary shares sold / weighted-average price: 4,451 shares at $66.6635 per share +4 more

7 metrics

Ordinary shares sold / weighted-average price 6,422 shares at $64.7773 per share Sale block on November 5, 2026

Ordinary shares sold / weighted-average price 6,215 shares at $65.8130 per share Sale block on November 5, 2026

Ordinary shares sold / weighted-average price 4,451 shares at $66.6635 per share Sale block on November 5, 2026

Ordinary shares sold / weighted-average price 2,046 shares at $67.6775 per share Sale block on November 5, 2026

Ordinary shares sold / weighted-average price 3,101 shares at $68.6950 per share Sale block on November 5, 2026

Ordinary shares sold / weighted-average price 221 shares at $69.3644 per share Sale block on November 5, 2026

Shares underlying unvested deferred bonus plan awards 272,659 shares Each award represents a contingent right to receive one ordinary share upon vesting and settlement

Key Terms

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

4 terms

Rule 10b5-1 plan regulatory

"sales reported were 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.

unvested deferred bonus plan awards financial

"272,659 shares underlying unvested deferred bonus plan awards"

contingent right technical

"Each award represents a contingent right to receive one ordinary share"

FAQ

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

What were the sale prices for Simon Van Den Born’s MRX transactions?

On November 5, 2026, the blocks were 6,422 shares at a weighted average of $64.7773 per share; 6,215 at $65.8130; 4,451 at $66.6635; 2,046 at $67.6775; 3,101 at $68.6950; and 221 at $69.3644. Footnotes describe each reported price as a weighted average.

What did Marex report about Simon Van Den Born’s deferred bonus awards?

The reported ordinary-share amount includes 272,659 shares underlying unvested deferred bonus plan awards previously granted to President Simon Van Den Born. Each award represents a contingent right to receive one ordinary share upon vesting and settlement.

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

Form 4 Insider Transactions: What Each Field Means →

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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).

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^*

Van Den Born Simon

(Last)

(First)

(Middle)

C/O MAREX GROUP LIMITED, 155 BISHOPSGATE

(Street)

LONDON

EC2M 3TQ

(City)

(State)

(Zip)

UNITED KINGDOM

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/05/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Ordinary Shares	11/05/2026		S⁽¹⁾		6,422	D	$64.7773⁽²⁾	1,448,654	D
Ordinary Shares	11/05/2026		S⁽¹⁾		6,215	D	$65.813⁽³⁾	1,442,439	D
Ordinary Shares	11/05/2026		S⁽¹⁾		4,451	D	$66.6635⁽⁴⁾	1,437,988	D
Ordinary Shares	11/05/2026		S⁽¹⁾		2,046	D	$67.6775⁽⁵⁾	1,435,942	D
Ordinary Shares	11/05/2026		S⁽¹⁾		3,101	D	$68.695⁽⁶⁾	1,432,841	D
Ordinary Shares	11/05/2026		S⁽¹⁾		221	D	$69.3644⁽⁷⁾	1,432,620⁽⁸⁾	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on June 12, 2026.

2. The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $64.17 to $65.16 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 $65.17 to $66.155 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 price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $66.1725 to $67.165 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.

5. The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $67.2075 to $68.13 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.

6. The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $68.17 to $69.0375 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.

7. The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $69.24 to $69.61 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.

8. The number of ordinary shares reported herein includes 272,659 shares underlying unvested 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 Simon van den Born	11/09/2026
	** 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)

Source: View Original Filing on SEC EDGAR