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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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"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."}],"balance_after":31046,"source":{"system":"sec-edgar","filing":"0001193125-26-355407","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2058610/000119312526355407/ownership.xml","form_type":"4"}},{"id":684017,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":22388,"kind":"person","name":"Irvin Rob","position":1,"cik":"0002058610","reported_name":"Irvin Rob","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Ordinary Shares","published_at":"2026-08-18T20:05:05.000Z","date":"2026-08-14","kind":"sale","planned":false,"acquired":false,"shares":3500,"price":70.9064,"value":248172.4,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"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."}],"balance_after":31246,"source":{"system":"sec-edgar","filing":"0001193125-26-355407","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2058610/000119312526355407/ownership.xml","form_type":"4"}},{"id":762226,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":22388,"kind":"person","name":"Irvin Rob","position":1,"cik":"0002058610","reported_name":"Irvin Rob","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Ordinary Shares","published_at":"2026-05-27T20:05:13.000Z","date":"2026-05-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":3358,"price":54.45,"value":182843.1,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported represents the closing price of the Issuer's ordinary shares on the Nasdaq Stock Market LLC on May 21, 2026."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"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."}],"balance_after":34746,"source":{"system":"sec-edgar","filing":"0001193125-26-241871","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2058610/000119312526241871/ownership.xml","form_type":"4"}}]}