Marex Group Ltd (MRX)

Data as of Sep 16, 2026, from SEC Form 4 filings.

Net insider selling (90d)Watch MRX

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Latest MRX insider trades

Paolo Tonucci - Officer
Open-market sale$971K
Sep 14, 2026
Paolo Tonucci - Officer
Open-market sale$211K
Sep 14, 2026

About Marex Group Ltd (MRX)

The SEC lists Marex Group Ltd under CIK 0001997464, in security and commodity brokers, dealers, exchanges and services. We track it alongside the rest of the Financials sector.

Sector: Financials

SEC filings for MRX on EDGAR

MRX Form 4 activity by transaction type, last 90 days

Form 4 transaction type	Transactions	Shares	Total value
Open-market sale	9	52,305	$3.54M
Grant or award	4	217,509
Tax withholding / forfeiture	4	99,662

Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.

MRX insider transactions (Form 4)

38 Form 4 filings on record, the earliest from Apr 2, 2026, newest first. Filing history page 2 of 2.

Date	Insider	Transaction	Security	Shares	Price	Value
May 22, 2026	Paolo Tonucci - Officer	Tax withholding / forfeiture	Ordinary Shares	31,080^{footnote F1}	$54.45^{footnote F2}	$1.69M
Footnote F1 (shares): Represents the number of ordinary shares withheld to satisfy the tax withholding obligation in connection with the vesting of certain previously reported shares underlying deferred bonus plan awards. Footnote F2 (price): The price reported represents the closing price of the Issuer's ordinary shares on the Nasdaq Stock Market LLC on May 21, 2026.
May 22, 2026	Nilesh Jethwa - Officer	Tax withholding / forfeiture	Ordinary Shares	39,661^{footnote F1}	$54.45^{footnote F2}	$2.16M
Footnote F1 (shares): Represents the number of ordinary shares withheld to satisfy the tax withholding obligation in connection with the vesting of certain previously reported shares underlying deferred bonus plan awards. Footnote F2 (price): The price reported represents the closing price of the Issuer's ordinary shares on the Nasdaq Stock Market LLC on May 21, 2026.
May 11, 2026	Paolo Tonucci - Officer	Open-market sale	Ordinary Shares	10,934	$55.72^{footnote F2}	$609K
May 11, 2026	Paolo Tonucci - Officer	Open-market sale	Ordinary Shares	5,734	$56.32^{footnote F3}	$323K
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $55.06 to $56.055 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR Footnote F3 (price): The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $56.065 to $56.74 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR
May 1, 2026	Thomas Texier - Officer	Open-market sale	Ordinary Shares	11,821	$52.87^{footnote F2}	$625K
May 1, 2026	Thomas Texier - Officer	Open-market sale	Ordinary Shares	2,606	$53.53^{footnote F3}	$139K
Footnote F2 (price): 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… Full note on SEC EDGAR Footnote F3 (price): 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… Full note on SEC EDGAR
Apr 20, 2026	Den Born Simon van - Officer	Open-market sale	Ordinary Shares	12,624	$50.92^{footnote F2}	$643K
Apr 20, 2026	Den Born Simon van - Officer	Open-market sale	Ordinary Shares	641	$51.71^{footnote F3}	$33K
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $50.51 to $51.34 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR Footnote F3 (price): The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $51.56 to $52.115 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR
Apr 13, 2026	Paolo Tonucci - Officer	Open-market sale	Ordinary Shares	6,760	$50.60^{footnote F2}	$342K
Apr 13, 2026	Paolo Tonucci - Officer	Open-market sale	Ordinary Shares	5,829	$51.56^{footnote F3}	$301K
Apr 13, 2026	Paolo Tonucci - Officer	Open-market sale	Ordinary Shares	4,077	$52.36^{footnote F4}	$213K
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $50.07 to $51.065 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR Footnote F3 (price): The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $51.08 to $52.065 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR Footnote F4 (price): The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $52.09 to $52.65 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR
Apr 1, 2026	Den Born Simon van - Officer	Open-market sale	Ordinary Shares	8,710	$43.27^{footnote F2}	$377K
Apr 1, 2026	Den Born Simon van - Officer	Open-market sale	Ordinary Shares	4,554	$43.97^{footnote F3}	$200K
Footnote F2 (price): 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… Full note on SEC EDGAR Footnote F3 (price): The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $43.77 to $44.29 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR
Apr 1, 2026	Thomas Texier - Officer	Open-market sale	Ordinary Shares	9,589	$43.28^{footnote F2}	$415K
Apr 1, 2026	Thomas Texier - Officer	Open-market sale	Ordinary Shares	4,838	$43.97^{footnote F3}	$213K
Footnote F2 (price): 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… Full note on SEC EDGAR Footnote F3 (price): 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… Full note on SEC EDGAR

Recent MRX Form 144 notices of proposed sale

An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.

Filed	Filer	Relationship	Shares	Market value	Notice
Oct 13, 2026	Paolo Roberto Tonucci	Officer	66,666	$4.82M	View on EDGAR
Sep 14, 2026	Simon Van Den Born	Officer	75,455

MRX insider trading FAQ

What is the latest insider trade for MRX?

Marex Group Ltd (MRX) had 12 insider filings in the last 90 days, with the most recent on 2026-09-16. The full record for MRX runs to 38 Form 4 filings, the earliest from 2026-04-02. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.

How many insiders are buying MRX stock?

No insider purchases of MRX were filed in the last 90 days.

How many insiders are selling MRX stock?

9 insider sales of MRX were filed in the last 90 days, totaling $3.54M.

Where can I see MRX SEC filings (Form 4, 10-K, 10-Q, 8-K)?

This page collects MRX Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.

More Financials companies with insider activity

Recent insider filings

The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.

Sep 16, 2026 - Paolo Tonucci view on EDGAR
Sep 16, 2026 - Den Born Simon van view on EDGAR
Sep 9, 2026 - Paolo Tonucci view on EDGAR
Sep 9, 2026 - Den Born Simon van view on EDGAR
Sep 9, 2026 - Nilesh Jethwa view on EDGAR
Sep 9, 2026 - Ian T. Lowitt view on EDGAR
Aug 21, 2026 - Nilesh Jethwa view on EDGAR
Aug 21, 2026 - Paolo Tonucci view on EDGAR
Aug 21, 2026 - Den Born Simon van view on EDGAR

Related companies with recent insider activity

Learn more

Insider selling: signal or noise?: Why most insider sales are routine, and the few patterns worth a second look.
Form 144 vs Form 4: A Form 144 announces a planned sale; the Form 4 reports it after it happens.
Insider activity in Financials: Where MRX's peers are being bought and sold.
Every recent Form 4: The market-wide feed, updated as filings arrive from SEC EDGAR.

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Form 4 transaction type

Transactions

Total value

Open-market sale

52,305

$3.54M

Grant or award

217,509

Tax withholding / forfeiture

99,662

Date

Insider

Transaction

Security

Price

Value

May 22, 2026

Paolo Tonucci - Officer

Tax withholding / forfeiture

Ordinary Shares

31,080^{footnote F1}

$54.45^{footnote F2}

$1.69M

Footnote F1 (shares): Represents the number of ordinary shares withheld to satisfy the tax withholding obligation in connection with the vesting of certain previously reported shares underlying deferred bonus plan awards.
Footnote F2 (price): The price reported represents the closing price of the Issuer's ordinary shares on the Nasdaq Stock Market LLC on May 21, 2026.

May 22, 2026

Nilesh Jethwa - Officer

Tax withholding / forfeiture

Ordinary Shares

39,661^{footnote F1}

$54.45^{footnote F2}

$2.16M

Footnote F1 (shares): Represents the number of ordinary shares withheld to satisfy the tax withholding obligation in connection with the vesting of certain previously reported shares underlying deferred bonus plan awards.
Footnote F2 (price): The price reported represents the closing price of the Issuer's ordinary shares on the Nasdaq Stock Market LLC on May 21, 2026.

May 11, 2026

Paolo Tonucci - Officer

Open-market sale

Ordinary Shares

10,934

$55.72^{footnote F2}

$609K

May 11, 2026

Paolo Tonucci - Officer

Open-market sale

Ordinary Shares

5,734

$56.32^{footnote F3}

$323K

Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $55.06 to $56.055 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR
Footnote F3 (price): The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $56.065 to $56.74 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR

May 1, 2026

Thomas Texier - Officer

Open-market sale

Ordinary Shares

11,821

$52.87^{footnote F2}

$625K

May 1, 2026

Thomas Texier - Officer

Open-market sale

Ordinary Shares

2,606

$53.53^{footnote F3}

$139K

Footnote F2 (price): 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… Full note on SEC EDGAR
Footnote F3 (price): 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… Full note on SEC EDGAR

Apr 20, 2026

Den Born Simon van - Officer

Open-market sale

Ordinary Shares

12,624

$50.92^{footnote F2}

$643K

Apr 20, 2026

Den Born Simon van - Officer

Open-market sale

Ordinary Shares

641

$51.71^{footnote F3}

$33K

Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $50.51 to $51.34 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR
Footnote F3 (price): The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $51.56 to $52.115 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR

Apr 13, 2026

Paolo Tonucci - Officer

Open-market sale

Ordinary Shares

6,760

$50.60^{footnote F2}

$342K

Apr 13, 2026

Paolo Tonucci - Officer

Open-market sale

Ordinary Shares

5,829

$51.56^{footnote F3}

$301K

Apr 13, 2026

Paolo Tonucci - Officer

Open-market sale

Ordinary Shares

4,077

$52.36^{footnote F4}

$213K

Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $50.07 to $51.065 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR
Footnote F3 (price): The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $51.08 to $52.065 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR
Footnote F4 (price): The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $52.09 to $52.65 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR

Apr 1, 2026

Den Born Simon van - Officer

Open-market sale

Ordinary Shares

8,710

$43.27^{footnote F2}

$377K

Apr 1, 2026

Den Born Simon van - Officer

Open-market sale

Ordinary Shares

4,554

$43.97^{footnote F3}

$200K

Footnote F2 (price): 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… Full note on SEC EDGAR
Footnote F3 (price): The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $43.77 to $44.29 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR

Apr 1, 2026

Thomas Texier - Officer

Open-market sale

Ordinary Shares

9,589

$43.28^{footnote F2}

$415K

Apr 1, 2026

Thomas Texier - Officer

Open-market sale

Ordinary Shares

4,838

$43.97^{footnote F3}

$213K

Footnote F2 (price): 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… Full note on SEC EDGAR
Footnote F3 (price): 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… Full note on SEC EDGAR

Filed

Filer

Relationship

Market value

Notice

Oct 13, 2026

Paolo Roberto Tonucci

Officer

66,666

$4.82M

View on EDGAR

Sep 14, 2026

Simon Van Den Born

Officer

75,455