Rob Irvin - 14 Aug 2026 Form 4 Insider Report for Marex Group Ltd (MRX)

Reporting relationship: Chief Financial Officer, Director
Issuer ticker: MRX
Reported as of: 14 Aug 2026
Net transaction value: -$262,545
SEC form: 4
Accepted by SEC: 18 Aug 2026, 16:05:05 UTC
Prior SEC filing: 27 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Scott Linsley as Attorney-in-Fact, for Rob Irvin

Key filing fact

Rob Irvin filed Form 4 for Marex Group Ltd (MRX) on 18 Aug 2026.

Key facts

This page summarizes Rob Irvin's Form 4 filing for Marex Group Ltd (MRX).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 18 Aug 2026, 16:05.

Change

Previous filing in this sequence was filed on 27 May 2026.
Current net transaction value: -$262,545.

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 0002058610 Primary reporting owner

Irvin Rob

Relationship: Chief Financial Officer, Director
Address: C/O MAREX GROUP LIMITED, 155 BISHOPSGATE, LONDON, UNITED KINGDOM
Signature: /s/ Scott Linsley as Attorney-in-Fact, for Rob Irvin
Signature date: 18 Aug 2026

Reported non-derivative transactions

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

MRX transaction

Ordinary Shares

Sale

Transaction value: $248,172
Shares: -3,500
Change %: -10%
Price: $70.91
Shares after: 31,246
Date: 14 Aug 2026
Ownership: Direct
Footnotes: F1, F3

MRX transaction

Ordinary Shares

Sale

Transaction value: $14,373
Shares: -200
Change %: -0.64%
Price: $71.86
Shares after: 31,046
Date: 14 Aug 2026
Ownership: Direct
Footnotes: F2, F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $70.69 to $71.35, 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 F2

The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $71.71 to $72.02, 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 number of ordinary shares reported herein includes 25,300 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.