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Van Den Born Simon

Disclosed activity across 1 company

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20950
SEC CIK
0002057618

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Marex Group LtdMRX · Entity 9106PresidentOctober 12, 2026October 14, 2026

Disclosed balances

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Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Marex Group Ltd

Report date October 12, 2026 · Filed October 14, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Ordinary SharesSEC Table I · non-derivativeDirect1,456,336 Reported balance After 2026-10-12 transaction · row 1 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 1 · 2026-10-12 · Sale · Disposed 14,012 · Balance 1,456,336

F1: 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

F2: 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.

Ordinary SharesSEC Table I · non-derivativeDirect1,455,076 Reported balance After 2026-10-12 transaction · row 2 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 2 · 2026-10-12 · Sale · Disposed 1,260 · Balance 1,455,076

F1: 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

F3: 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.

F4: 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.

Filing footnotes · ownership attribution and instrument terms

F1: 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

F2: 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.

F3: 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.

F4: 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.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
October 12, 2026 Filed Oct 14, 2026 20:05 UTC Marex Group Ltd MRX · Entity 9106 SaleOrdinary Shares 1,260 $72.63 $91,514.81
Disclosure

SEC source: 0001193125-26-421661 · ownership.xml · nonDerivative · entry 2

Van Den Born Simon · CIK 0002057618 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,455,076

F1 · kind: 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

F3 · price: 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.

F4 · balance_after: 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.

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October 12, 2026 Filed Oct 14, 2026 20:05 UTC Marex Group Ltd MRX · Entity 9106 SaleOrdinary Shares 14,012 $71.99 $1,008,667.83
Disclosure

SEC source: 0001193125-26-421661 · ownership.xml · nonDerivative · entry 1

Van Den Born Simon · CIK 0002057618 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,456,336

F1 · kind: 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

F2 · price: 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.

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September 14, 2026 Filed Sep 16, 2026 20:05 UTC Marex Group Ltd MRX · Entity 9106 SaleOrdinary Shares 2,655 $71.36 $189,456.82
Disclosure

SEC source: 0001193125-26-393055 · ownership.xml · nonDerivative · entry 2

Van Den Born Simon · CIK 0002057618 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,470,348

F1 · kind: 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.

F3 · price: 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.

F4 · balance_after: 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.

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September 14, 2026 Filed Sep 16, 2026 20:05 UTC Marex Group Ltd MRX · Entity 9106 SaleOrdinary Shares 12,616 $70.77 $892,820.44
Disclosure

SEC source: 0001193125-26-393055 · ownership.xml · nonDerivative · entry 1

Van Den Born Simon · CIK 0002057618 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,473,003

F1 · kind: 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.

F2 · price: 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.

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September 07, 2026 Filed Sep 9, 2026 20:05 UTC Marex Group Ltd MRX · Entity 9106 Tax withholdingOrdinary Shares 13,215 $78.27 $1,034,338.05
Disclosure

SEC source: 0001193125-26-386439 · ownership.xml · nonDerivative · entry 1

Van Den Born Simon · CIK 0002057618 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,485,619

F1 · shares: 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.

F2 · price: The price reported represents the closing price of the Issuer's ordinary shares on the Nasdaq Stock Market LLC on September 4, 2026.

F3 · balance_after: 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.

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August 19, 2026 Filed Aug 21, 2026 20:05 UTC Marex Group Ltd MRX · Entity 9106 GrantOrdinary Shares 33,582 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-361082 · ownership.xml · nonDerivative · entry 1

Van Den Born Simon · CIK 0002057618 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,498,834

F1 · kind: 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.

F2 · balance_after: 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.

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May 22, 2026 Filed May 27, 2026 20:05 UTC Marex Group Ltd MRX · Entity 9106 Tax withholdingOrdinary Shares 43,712 $54.45 $2,380,118.40
Disclosure

SEC source: 0001193125-26-241856 · ownership.xml · nonDerivative · entry 1

Van Den Born Simon · CIK 0002057618 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,465,252

F1 · shares: 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.

F2 · price: The price reported represents the closing price of the Issuer's ordinary shares on the Nasdaq Stock Market LLC on May 21, 2026.

F3 · balance_after: 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.

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April 20, 2026 Filed Apr 22, 2026 20:05 UTC Marex Group Ltd MRX · Entity 9106 SaleOrdinary Shares 641 $51.71 $33,145.98
Disclosure

SEC source: 0001193125-26-170353 · ownership.xml · nonDerivative · entry 2

Van Den Born Simon · CIK 0002057618 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,508,964

F1 · kind: 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.

F3 · price: 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.

F4 · balance_after: 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.

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April 20, 2026 Filed Apr 22, 2026 20:05 UTC Marex Group Ltd MRX · Entity 9106 SaleOrdinary Shares 12,624 $50.92 $642,769.90
Disclosure

SEC source: 0001193125-26-170353 · ownership.xml · nonDerivative · entry 1

Van Den Born Simon · CIK 0002057618 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,509,605

F1 · kind: 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.

F2 · price: 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.

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April 01, 2026 Filed Apr 2, 2026 20:05 UTC Marex Group Ltd MRX · Entity 9106 SaleOrdinary Shares 4,554 $43.97 $200,238.01
Disclosure

SEC source: 0001193125-26-140055 · ownership.xml · nonDerivative · entry 2

Van Den Born Simon · CIK 0002057618 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,522,229

F1 · kind: 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.

F3 · price: 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.

F4 · balance_after: 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.

Read SEC document
April 01, 2026 Filed Apr 2, 2026 20:05 UTC Marex Group Ltd MRX · Entity 9106 SaleOrdinary Shares 8,710 $43.27 $376,866.89
Disclosure

SEC source: 0001193125-26-140055 · ownership.xml · nonDerivative · entry 1

Van Den Born Simon · CIK 0002057618 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,526,783

F1 · kind: 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.

F2 · price: 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.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.