Paolo Tonucci - 13 Jul 2026 Form 4 Insider Report for Marex Group Ltd (MRX)

Reporting relationship: Chief Strategist and CEO, Capital Markets
Issuer ticker: MRX
Reported as of: 13 Jul 2026
Net transaction value: -$1,073,578
SEC form: 4
Accepted by SEC: 15 Jul 2026, 16:05:03 UTC
Prior SEC filing: 16 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Scott Linsley as Attorney-in-Fact, for Paolo Tonucci

Key filing fact

Paolo Tonucci filed Form 4 for Marex Group Ltd (MRX) on 15 Jul 2026.

Key facts

This page summarizes Paolo Tonucci's Form 4 filing for Marex Group Ltd (MRX).
3 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 15 Jul 2026, 16:05.

Change

Previous filing in this sequence was filed on 16 Jun 2026.
Current net transaction value: -$1,073,578.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002057942 Primary reporting owner

Tonucci Paolo

Relationship: Chief Strategist and CEO, Capital Markets
Address: C/O MAREX GROUP LIMITED, 155 BISHOPSGATE, LONDON, UNITED KINGDOM
Signature: /s/ Scott Linsley as Attorney-in-Fact, for Paolo Tonucci
Signature date: 15 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MRX transaction

Ordinary Shares

Sale

Transaction value: $761,058
Shares: -11,850
Change %: -0.91%
Price: $64.22
Shares after: 1,287,093
Date: 13 Jul 2026
Ownership: Direct
Footnotes: F1, F2

MRX transaction

Ordinary Shares

Sale

Transaction value: $297,271
Shares: -4,584
Change %: -0.36%
Price: $64.85
Shares after: 1,282,509
Date: 13 Jul 2026
Ownership: Direct
Footnotes: F1, F3

MRX transaction

Ordinary Shares

Sale

Transaction value: $15,249
Shares: -232
Change %: -0.02%
Price: $65.73
Shares after: 1,282,277
Date: 13 Jul 2026
Ownership: Direct
Footnotes: F1, F4, F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 5 footnotes

Footnote F1

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on October 22, 2025.

Footnote F2

The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $63.645 to $64.645, 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.

Footnote F3

The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $64.65 to $65.57, 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.

Footnote F4

The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $65.715 to $65.75, 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.

Footnote F5

The number of ordinary shares reported herein includes 220,746 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.

SEC remarks

Chief Strategist and CEO, Capital Markets