Paolo Tonucci - 19 Aug 2026 Form 4 Insider Report for Marex Group Ltd (MRX)

Reporting relationship: Chief Strategist and CEO, Capital Markets
Issuer ticker: MRX
Reported as of: 19 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 21 Aug 2026, 16:05:09 UTC
Prior SEC filing: 12 Aug 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 21 Aug 2026.

Key facts

This page summarizes Paolo Tonucci's Form 4 filing for Marex Group Ltd (MRX).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 21 Aug 2026, 16:05.

Change

Previous filing in this sequence was filed on 12 Aug 2026.
Current net transaction value: $0.

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: 21 Aug 2026

Reported non-derivative transactions

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

MRX transaction

Ordinary Shares

Award

Transaction value
Shares: +38,921
Change %: +3.1%
Price: $0.000000^*
Shares after: 1,304,530
Date: 19 Aug 2026
Ownership: Direct
Footnotes: F1, F2

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

On September 6, 2023, the Reporting Person was granted an award under the Issuer's 2022 Annual Long Term Incentive Plan (the "Plan"), which vests in the form of ordinary shares subject to (i) performance conditions, including a minimum return on equity underpin and growth in adjusted operating profit before tax, and (ii) continued service through the third anniversary of the grant date, in each case subject to the terms of the Plan. On August 19, 2026, the Remuneration Committee of the Issuer's Board of Directors determined that the performance conditions had been met. The award remains subject to time-based vesting and will fully vest on September 6, 2026.

Footnote F2

The number of ordinary shares reported herein includes (i) 38,921 shares vesting under the Issuer's 2022 Annual Long Term Incentive Plan as described in footnote 1, and (ii) 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