{"transactions":[{"id":4640166,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20950,"kind":"person","name":"Van Den Born Simon","position":1,"cik":"0002057618","reported_name":"Van Den Born Simon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Ordinary Shares","published_at":"2026-10-14T20:05:07.000Z","date":"2026-10-12","kind":"sale","planned":true,"acquired":false,"shares":1260,"price":72.6308,"value":91514.808,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on June 12, 2026"},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $72.355 to $72.98 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":"F4","text":"The number of ordinary shares reported herein includes (i) 20,367 shares underlying the Issuer's 2022 Annual Long Term Incentive Plan, and (ii) 272,659 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":1455076,"source":{"system":"sec-edgar","filing":"0001193125-26-421661","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2057618/000119312526421661/ownership.xml","form_type":"4"}},{"id":4640165,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20950,"kind":"person","name":"Van Den Born Simon","position":1,"cik":"0002057618","reported_name":"Van Den Born Simon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Ordinary Shares","published_at":"2026-10-14T20:05:07.000Z","date":"2026-10-12","kind":"sale","planned":true,"acquired":false,"shares":14012,"price":71.986,"value":1008667.832,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on June 12, 2026"},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $71.35 to $72.34 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."}],"balance_after":1456336,"source":{"system":"sec-edgar","filing":"0001193125-26-421661","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2057618/000119312526421661/ownership.xml","form_type":"4"}},{"id":4640162,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20951,"kind":"person","name":"Tonucci Paolo","position":1,"cik":"0002057942","reported_name":"Tonucci Paolo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2026-10-14T20:05:06.000Z","date":"2026-10-12","kind":"sale","planned":true,"acquired":false,"shares":1160,"price":72.6382,"value":84260.312,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on October 22, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $72.42 to $72.98, 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":"F4","text":"The number of ordinary shares reported herein includes (i) 20,628 shares underlying the Issuer's 2022 Annual Long Term Incentive Plan, 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."}],"balance_after":1252905,"source":{"system":"sec-edgar","filing":"0001193125-26-421660","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2057942/000119312526421660/ownership.xml","form_type":"4"}},{"id":4640161,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20951,"kind":"person","name":"Tonucci Paolo","position":1,"cik":"0002057942","reported_name":"Tonucci Paolo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2026-10-14T20:05:06.000Z","date":"2026-10-12","kind":"sale","planned":true,"acquired":false,"shares":15506,"price":71.9819,"value":1116151.3414,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on October 22, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $71.39 to $72.37, 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."}],"balance_after":1254065,"source":{"system":"sec-edgar","filing":"0001193125-26-421660","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2057942/000119312526421660/ownership.xml","form_type":"4"}},{"id":4619167,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20951,"kind":"person","name":"Tonucci Paolo","position":1,"cik":"0002057942","reported_name":"Tonucci Paolo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2026-09-16T20:05:11.000Z","date":"2026-09-14","kind":"sale","planned":true,"acquired":false,"shares":2952,"price":71.3544,"value":210638.1888,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on October 22, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $71.21 to $71.6, 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":"F4","text":"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."}],"balance_after":1269571,"source":{"system":"sec-edgar","filing":"0001193125-26-393056","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2057942/000119312526393056/ownership.xml","form_type":"4"}},{"id":4619166,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20951,"kind":"person","name":"Tonucci Paolo","position":1,"cik":"0002057942","reported_name":"Tonucci Paolo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2026-09-16T20:05:11.000Z","date":"2026-09-14","kind":"sale","planned":true,"acquired":false,"shares":13714,"price":70.7692,"value":970528.8088,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on October 22, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $70.21 to $71.2075, 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."}],"balance_after":1272523,"source":{"system":"sec-edgar","filing":"0001193125-26-393056","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2057942/000119312526393056/ownership.xml","form_type":"4"}},{"id":4619170,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20950,"kind":"person","name":"Van Den Born Simon","position":1,"cik":"0002057618","reported_name":"Van Den Born Simon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Ordinary Shares","published_at":"2026-09-16T20:05:10.000Z","date":"2026-09-14","kind":"sale","planned":true,"acquired":false,"shares":2655,"price":71.3585,"value":189456.8175,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on June 12, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $71.23 to $71.6 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":"F4","text":"The number of ordinary shares reported herein includes 272,659 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":1470348,"source":{"system":"sec-edgar","filing":"0001193125-26-393055","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2057618/000119312526393055/ownership.xml","form_type":"4"}},{"id":4619169,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20950,"kind":"person","name":"Van Den Born Simon","position":1,"cik":"0002057618","reported_name":"Van Den Born Simon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Ordinary Shares","published_at":"2026-09-16T20:05:10.000Z","date":"2026-09-14","kind":"sale","planned":true,"acquired":false,"shares":12616,"price":70.7689,"value":892820.4424000001,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on June 12, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $70.23 to $71.225 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."}],"balance_after":1473003,"source":{"system":"sec-edgar","filing":"0001193125-26-393055","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2057618/000119312526393055/ownership.xml","form_type":"4"}},{"id":4613251,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20951,"kind":"person","name":"Tonucci Paolo","position":1,"cik":"0002057942","reported_name":"Tonucci Paolo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2026-09-09T20:05:10.000Z","date":"2026-09-07","kind":"tax_withholding","planned":false,"acquired":false,"shares":18293,"price":78.27,"value":1431793.11,"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 shares underlying the Issuer's 2022 Annual Long Term Incentive Plan."},{"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 September 4, 2026."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"The number of ordinary shares reported herein includes (i) 20,628 shares underlying the Issuer's 2022 Annual Long Term Incentive Plan, 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."}],"balance_after":1286237,"source":{"system":"sec-edgar","filing":"0001193125-26-386440","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2057942/000119312526386440/ownership.xml","form_type":"4"}},{"id":4613247,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20950,"kind":"person","name":"Van Den Born Simon","position":1,"cik":"0002057618","reported_name":"Van Den Born Simon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Ordinary Shares","published_at":"2026-09-09T20:05:08.000Z","date":"2026-09-07","kind":"tax_withholding","planned":false,"acquired":false,"shares":13215,"price":78.27,"value":1034338.05,"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 shares underlying the Issuer's 2022 Annual Long Term Incentive Plan."},{"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 September 4, 2026."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"The number of ordinary shares reported herein includes (i) 20,367 shares underlying the Issuer's 2022 Annual Long Term Incentive Plan, and (ii) 272,659 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":1485619,"source":{"system":"sec-edgar","filing":"0001193125-26-386439","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2057618/000119312526386439/ownership.xml","form_type":"4"}},{"id":4613255,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20947,"kind":"person","name":"Jethwa Nilesh","position":1,"cik":"0002058018","reported_name":"Jethwa Nilesh","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Marex Solutions"}}],"security":"Ordinary Shares","published_at":"2026-09-09T20:05:07.000Z","date":"2026-09-07","kind":"tax_withholding","planned":false,"acquired":false,"shares":31567,"price":78.27,"value":2470749.09,"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 shares underlying the Issuer's 2022 Annual Long Term Incentive Plan."},{"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 September 4, 2026."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"The number of ordinary shares reported herein includes (i) 35,596 shares underlying the Issuer's 2022 Annual Long Term Incentive Plan, and (ii) 111,183 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":282950,"source":{"system":"sec-edgar","filing":"0001193125-26-386438","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2058018/000119312526386438/ownership.xml","form_type":"4"}},{"id":4613248,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20901,"kind":"person","name":"Lowitt Ian T","position":1,"cik":"0001379623","reported_name":"Lowitt Ian T","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Ordinary Shares","published_at":"2026-09-09T20:05:03.000Z","date":"2026-09-07","kind":"tax_withholding","planned":false,"acquired":false,"shares":36587,"price":78.27,"value":2863664.49,"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 shares underlying the Issuer's 2022 Annual Long Term Incentive Plan."},{"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 September 4, 2026."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"The number of ordinary shares reported herein includes (i) 41,256 shares underlying the Issuer's 2022 Annual Long Term Incentive Plan, and (ii) 194,411 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":2835472,"source":{"system":"sec-edgar","filing":"0001193125-26-386437","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1997464/000119312526386437/ownership.xml","form_type":"4"}},{"id":679107,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20947,"kind":"person","name":"Jethwa Nilesh","position":1,"cik":"0002058018","reported_name":"Jethwa Nilesh","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Marex Solutions"}}],"security":"Ordinary Shares","published_at":"2026-08-21T20:05:10.000Z","date":"2026-08-19","kind":"grant","planned":false,"acquired":true,"shares":67163,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The number of ordinary shares reported herein includes (i) 67,163 shares vesting under the Issuer's 2022 Annual Long Term Incentive Plan as described in footnote 1, and (ii) 111,183 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":314517,"source":{"system":"sec-edgar","filing":"0001193125-26-361084","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2058018/000119312526361084/ownership.xml","form_type":"4"}},{"id":679113,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20951,"kind":"person","name":"Tonucci Paolo","position":1,"cik":"0002057942","reported_name":"Tonucci Paolo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2026-08-21T20:05:09.000Z","date":"2026-08-19","kind":"grant","planned":false,"acquired":true,"shares":38921,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"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."}],"balance_after":1304530,"source":{"system":"sec-edgar","filing":"0001193125-26-361083","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2057942/000119312526361083/ownership.xml","form_type":"4"}},{"id":679112,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20950,"kind":"person","name":"Van Den Born Simon","position":1,"cik":"0002057618","reported_name":"Van Den Born Simon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Ordinary Shares","published_at":"2026-08-21T20:05:07.000Z","date":"2026-08-19","kind":"grant","planned":false,"acquired":true,"shares":33582,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The number of ordinary shares reported herein includes (i) 33,582 shares vesting under the Issuer's 2022 Annual Long Term Incentive Plan as described in footnote 1, and (ii) 272,659 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":1498834,"source":{"system":"sec-edgar","filing":"0001193125-26-361082","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2057618/000119312526361082/ownership.xml","form_type":"4"}},{"id":678998,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20901,"kind":"person","name":"Lowitt Ian T","position":1,"cik":"0001379623","reported_name":"Lowitt Ian T","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Ordinary Shares","published_at":"2026-08-21T20:05:04.000Z","date":"2026-08-19","kind":"grant","planned":false,"acquired":true,"shares":77843,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The number of ordinary shares reported herein includes (i) 77,843 shares vesting under the Issuer's 2022 Annual Long Term Incentive Plan as described in footnote 1, and (ii) 194,411 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":2872059,"source":{"system":"sec-edgar","filing":"0001193125-26-361080","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1997464/000119312526361080/ownership.xml","form_type":"4"}},{"id":684018,"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":200,"price":71.865,"value":14373.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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."},{"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":689540,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20951,"kind":"person","name":"Tonucci Paolo","position":1,"cik":"0002057942","reported_name":"Tonucci Paolo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2026-08-12T20:05:07.000Z","date":"2026-08-10","kind":"sale","planned":true,"acquired":false,"shares":455,"price":62.2222,"value":28311.101,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $62.16 to $62.265, 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":"F5","text":"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."}],"balance_after":1265609,"source":{"system":"sec-edgar","filing":"0001193125-26-346805","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2057942/000119312526346805/ownership.xml","form_type":"4"}},{"id":689539,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20951,"kind":"person","name":"Tonucci Paolo","position":1,"cik":"0002057942","reported_name":"Tonucci Paolo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2026-08-12T20:05:07.000Z","date":"2026-08-10","kind":"sale","planned":true,"acquired":false,"shares":3963,"price":61.6184,"value":244193.7192,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $61.17 to $62.07, 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."}],"balance_after":1266064,"source":{"system":"sec-edgar","filing":"0001193125-26-346805","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2057942/000119312526346805/ownership.xml","form_type":"4"}},{"id":689538,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20951,"kind":"person","name":"Tonucci Paolo","position":1,"cik":"0002057942","reported_name":"Tonucci Paolo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2026-08-12T20:05:07.000Z","date":"2026-08-10","kind":"sale","planned":true,"acquired":false,"shares":12250,"price":60.6402,"value":742842.45,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $60.105 to $61.1, 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."}],"balance_after":1270027,"source":{"system":"sec-edgar","filing":"0001193125-26-346805","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2057942/000119312526346805/ownership.xml","form_type":"4"}},{"id":709208,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20951,"kind":"person","name":"Tonucci Paolo","position":1,"cik":"0002057942","reported_name":"Tonucci Paolo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2026-07-15T20:05:03.000Z","date":"2026-07-13","kind":"sale","planned":true,"acquired":false,"shares":232,"price":65.7301,"value":15249.3832,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"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."}],"balance_after":1282277,"source":{"system":"sec-edgar","filing":"0001193125-26-304739","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2057942/000119312526304739/ownership.xml","form_type":"4"}},{"id":709207,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20951,"kind":"person","name":"Tonucci Paolo","position":1,"cik":"0002057942","reported_name":"Tonucci Paolo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2026-07-15T20:05:03.000Z","date":"2026-07-13","kind":"sale","planned":true,"acquired":false,"shares":4584,"price":64.8496,"value":297270.5664,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"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."}],"balance_after":1282509,"source":{"system":"sec-edgar","filing":"0001193125-26-304739","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2057942/000119312526304739/ownership.xml","form_type":"4"}},{"id":709206,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20951,"kind":"person","name":"Tonucci Paolo","position":1,"cik":"0002057942","reported_name":"Tonucci Paolo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2026-07-15T20:05:03.000Z","date":"2026-07-13","kind":"sale","planned":true,"acquired":false,"shares":11850,"price":64.2243,"value":761057.955,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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."}],"balance_after":1287093,"source":{"system":"sec-edgar","filing":"0001193125-26-304739","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2057942/000119312526304739/ownership.xml","form_type":"4"}},{"id":709168,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20901,"kind":"person","name":"Lowitt Ian T","position":1,"cik":"0001379623","reported_name":"Lowitt Ian T","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Ordinary Shares","published_at":"2026-07-15T20:05:03.000Z","date":"2026-07-13","kind":"sale","planned":true,"acquired":false,"shares":787,"price":65.8433,"value":51818.6771,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on March 12, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $65.66 to $66.09, 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":"F5","text":"The number of ordinary shares reported herein includes 194,411 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":2794216,"source":{"system":"sec-edgar","filing":"0001193125-26-304738","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1997464/000119312526304738/ownership.xml","form_type":"4"}},{"id":709167,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20901,"kind":"person","name":"Lowitt Ian T","position":1,"cik":"0001379623","reported_name":"Lowitt Ian T","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Ordinary Shares","published_at":"2026-07-15T20:05:03.000Z","date":"2026-07-13","kind":"sale","planned":true,"acquired":false,"shares":8957,"price":64.9017,"value":581324.5269,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on March 12, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $64.66 to $65.63, 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."}],"balance_after":2795003,"source":{"system":"sec-edgar","filing":"0001193125-26-304738","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1997464/000119312526304738/ownership.xml","form_type":"4"}},{"id":709166,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20901,"kind":"person","name":"Lowitt Ian T","position":1,"cik":"0001379623","reported_name":"Lowitt Ian T","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Ordinary Shares","published_at":"2026-07-15T20:05:03.000Z","date":"2026-07-13","kind":"sale","planned":true,"acquired":false,"shares":27398,"price":64.1857,"value":1758559.8086,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on March 12, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $63.66 to $64.6533, 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."}],"balance_after":2803960,"source":{"system":"sec-edgar","filing":"0001193125-26-304738","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1997464/000119312526304738/ownership.xml","form_type":"4"}},{"id":736523,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20951,"kind":"person","name":"Tonucci Paolo","position":1,"cik":"0002057942","reported_name":"Tonucci Paolo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2026-06-16T20:05:05.000Z","date":"2026-06-15","kind":"sale","planned":true,"acquired":false,"shares":809,"price":62.9994,"value":50966.5146,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $62.945 to $63.075, 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":"F5","text":"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."}],"balance_after":1298943,"source":{"system":"sec-edgar","filing":"0001193125-26-272572","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2057942/000119312526272572/ownership.xml","form_type":"4"}},{"id":736522,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20951,"kind":"person","name":"Tonucci Paolo","position":1,"cik":"0002057942","reported_name":"Tonucci Paolo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2026-06-16T20:05:05.000Z","date":"2026-06-15","kind":"sale","planned":true,"acquired":false,"shares":14199,"price":62.5055,"value":887515.5945,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $61.965 to $62.94, 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."}],"balance_after":1299752,"source":{"system":"sec-edgar","filing":"0001193125-26-272572","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2057942/000119312526272572/ownership.xml","form_type":"4"}},{"id":736521,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20951,"kind":"person","name":"Tonucci Paolo","position":1,"cik":"0002057942","reported_name":"Tonucci Paolo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2026-06-16T20:05:05.000Z","date":"2026-06-15","kind":"sale","planned":true,"acquired":false,"shares":1658,"price":61.7412,"value":102366.9096,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $60.945 to $61.94, 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."}],"balance_after":1313951,"source":{"system":"sec-edgar","filing":"0001193125-26-272572","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2057942/000119312526272572/ownership.xml","form_type":"4"}},{"id":736436,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20901,"kind":"person","name":"Lowitt Ian T","position":1,"cik":"0001379623","reported_name":"Lowitt Ian T","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Ordinary Shares","published_at":"2026-06-16T20:05:05.000Z","date":"2026-06-12","kind":"sale","planned":true,"acquired":false,"shares":4330,"price":62.9384,"value":272523.272,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on March 12, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $62.81 to $63.37, 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":"F4","text":"The number of ordinary shares reported herein includes 194,411 shares underlying deferred bonus plan awards previously granted to the Reporting Person. 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These shares were sold in transactions at prices ranging from $53.775 to $54.155, 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":"F4","text":"The number of ordinary shares reported herein includes 150,563 shares underlying deferred bonus plan awards previously granted to the Reporting Person. 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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":208591,"source":{"system":"sec-edgar","filing":"0001193125-26-241863","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1997464/000119312526241863/ownership.xml","form_type":"4"}},{"id":762224,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20951,"kind":"person","name":"Tonucci Paolo","position":1,"cik":"0002057942","reported_name":"Tonucci Paolo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2026-05-27T20:05:04.000Z","date":"2026-05-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":31080,"price":54.45,"value":1692306.0,"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 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."}],"balance_after":1315609,"source":{"system":"sec-edgar","filing":"0001193125-26-241858","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2057942/000119312526241858/ownership.xml","form_type":"4"}},{"id":762222,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20947,"kind":"person","name":"Jethwa Nilesh","position":1,"cik":"0002058018","reported_name":"Jethwa Nilesh","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Marex Solutions"}}],"security":"Ordinary Shares","published_at":"2026-05-27T20:05:04.000Z","date":"2026-05-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":39661,"price":54.45,"value":2159541.45,"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 111,183 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":247354,"source":{"system":"sec-edgar","filing":"0001193125-26-241862","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2058018/000119312526241862/ownership.xml","form_type":"4"}},{"id":781145,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20951,"kind":"person","name":"Tonucci Paolo","position":1,"cik":"0002057942","reported_name":"Tonucci Paolo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2026-05-13T20:05:03.000Z","date":"2026-05-11","kind":"sale","planned":true,"acquired":false,"shares":5734,"price":56.315,"value":322910.21,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"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 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":"F4","text":"The number of ordinary shares reported herein includes 286,871 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":1346689,"source":{"system":"sec-edgar","filing":"0001193125-26-221585","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2057942/000119312526221585/ownership.xml","form_type":"4"}},{"id":781144,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20951,"kind":"person","name":"Tonucci Paolo","position":1,"cik":"0002057942","reported_name":"Tonucci Paolo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2026-05-13T20:05:03.000Z","date":"2026-05-11","kind":"sale","planned":true,"acquired":false,"shares":10934,"price":55.7185,"value":609226.079,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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 Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":1352423,"source":{"system":"sec-edgar","filing":"0001193125-26-221585","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2057942/000119312526221585/ownership.xml","form_type":"4"}},{"id":792046,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":41819,"kind":"person","name":"Texier Thomas","position":1,"cik":"0002057414","reported_name":"Texier Thomas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Head of Clearing"}}],"security":"Ordinary Shares","published_at":"2026-05-05T20:05:08.000Z","date":"2026-05-01","kind":"sale","planned":true,"acquired":false,"shares":2606,"price":53.5287,"value":139495.7922,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on September 10, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"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 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":"F4","text":"The number of ordinary shares reported herein includes 192,348 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":228231,"source":{"system":"sec-edgar","filing":"0001193125-26-206352","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1997464/000119312526206352/ownership.xml","form_type":"4"}},{"id":792045,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":41819,"kind":"person","name":"Texier Thomas","position":1,"cik":"0002057414","reported_name":"Texier Thomas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Head of Clearing"}}],"security":"Ordinary Shares","published_at":"2026-05-05T20:05:08.000Z","date":"2026-05-01","kind":"sale","planned":true,"acquired":false,"shares":11821,"price":52.8713,"value":624991.6373,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on September 10, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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 Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":230837,"source":{"system":"sec-edgar","filing":"0001193125-26-206352","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1997464/000119312526206352/ownership.xml","form_type":"4"}},{"id":803075,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20950,"kind":"person","name":"Van Den Born Simon","position":1,"cik":"0002057618","reported_name":"Van Den Born Simon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Ordinary Shares","published_at":"2026-04-22T20:05:09.000Z","date":"2026-04-20","kind":"sale","planned":true,"acquired":false,"shares":641,"price":51.7098,"value":33145.9818,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on December 12, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"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 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":"F4","text":"The number of ordinary shares reported herein includes 383,741 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":1508964,"source":{"system":"sec-edgar","filing":"0001193125-26-170353","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2057618/000119312526170353/ownership.xml","form_type":"4"}},{"id":803074,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20950,"kind":"person","name":"Van Den Born Simon","position":1,"cik":"0002057618","reported_name":"Van Den Born Simon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Ordinary Shares","published_at":"2026-04-22T20:05:09.000Z","date":"2026-04-20","kind":"sale","planned":true,"acquired":false,"shares":12624,"price":50.9165,"value":642769.896,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on December 12, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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 Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":1509605,"source":{"system":"sec-edgar","filing":"0001193125-26-170353","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2057618/000119312526170353/ownership.xml","form_type":"4"}},{"id":808289,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20951,"kind":"person","name":"Tonucci Paolo","position":1,"cik":"0002057942","reported_name":"Tonucci Paolo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2026-04-15T20:05:04.000Z","date":"2026-04-13","kind":"sale","planned":true,"acquired":false,"shares":4077,"price":52.3578,"value":213462.7506,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"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 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":"F5","text":"The number of ordinary shares reported herein includes 286,871 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":1363357,"source":{"system":"sec-edgar","filing":"0001193125-26-156983","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2057942/000119312526156983/ownership.xml","form_type":"4"}},{"id":808288,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20951,"kind":"person","name":"Tonucci Paolo","position":1,"cik":"0002057942","reported_name":"Tonucci Paolo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2026-04-15T20:05:04.000Z","date":"2026-04-13","kind":"sale","planned":true,"acquired":false,"shares":5829,"price":51.5564,"value":300522.2556,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"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 Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":1367434,"source":{"system":"sec-edgar","filing":"0001193125-26-156983","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2057942/000119312526156983/ownership.xml","form_type":"4"}},{"id":808287,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20951,"kind":"person","name":"Tonucci Paolo","position":1,"cik":"0002057942","reported_name":"Tonucci Paolo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2026-04-15T20:05:04.000Z","date":"2026-04-13","kind":"sale","planned":true,"acquired":false,"shares":6760,"price":50.6012,"value":342064.112,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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 Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":1373263,"source":{"system":"sec-edgar","filing":"0001193125-26-156983","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2057942/000119312526156983/ownership.xml","form_type":"4"}},{"id":820441,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20950,"kind":"person","name":"Van Den Born Simon","position":1,"cik":"0002057618","reported_name":"Van Den Born Simon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Ordinary Shares","published_at":"2026-04-02T20:05:04.000Z","date":"2026-04-01","kind":"sale","planned":true,"acquired":false,"shares":4554,"price":43.9697,"value":200238.0138,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on December 12, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"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 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":"F4","text":"The number of ordinary shares reported herein includes 383,741 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":1522229,"source":{"system":"sec-edgar","filing":"0001193125-26-140055","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2057618/000119312526140055/ownership.xml","form_type":"4"}},{"id":820440,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":20950,"kind":"person","name":"Van Den Born Simon","position":1,"cik":"0002057618","reported_name":"Van Den Born Simon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Ordinary Shares","published_at":"2026-04-02T20:05:04.000Z","date":"2026-04-01","kind":"sale","planned":true,"acquired":false,"shares":8710,"price":43.2683,"value":376866.893,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on December 12, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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 Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":1526783,"source":{"system":"sec-edgar","filing":"0001193125-26-140055","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2057618/000119312526140055/ownership.xml","form_type":"4"}},{"id":820153,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":41819,"kind":"person","name":"Texier Thomas","position":1,"cik":"0002057414","reported_name":"Texier Thomas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Head of Clearing"}}],"security":"Ordinary Shares","published_at":"2026-04-02T20:05:02.000Z","date":"2026-04-01","kind":"sale","planned":true,"acquired":false,"shares":4838,"price":43.9743,"value":212747.6634,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on September 10, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"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 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":"F4","text":"The number of ordinary shares reported herein includes 192,348 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":242658,"source":{"system":"sec-edgar","filing":"0001193125-26-140052","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1997464/000119312526140052/ownership.xml","form_type":"4"}},{"id":820152,"issuer":{"id":9106,"kind":"organization","name":"Marex Group Ltd","symbol":"MRX"},"owners":[{"id":41819,"kind":"person","name":"Texier Thomas","position":1,"cik":"0002057414","reported_name":"Texier Thomas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Head of Clearing"}}],"security":"Ordinary Shares","published_at":"2026-04-02T20:05:02.000Z","date":"2026-04-01","kind":"sale","planned":true,"acquired":false,"shares":9589,"price":43.2754,"value":414967.8106,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on September 10, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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 Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":247496,"source":{"system":"sec-edgar","filing":"0001193125-26-140052","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1997464/000119312526140052/ownership.xml","form_type":"4"}}]}