Marex Group Limited Form 4 Filings

Marex Group Ltd (MRX) reported that President Simon Van Den Born had 13,215 Ordinary Shares withheld on September 7, 2026 to satisfy a tax withholding obligation arising from vesting under the 2022 Annual Long Term Incentive Plan, valued at the September 4, 2026 closing price of $78.27 per share. Following this tax-withholding disposition, he directly holds 1,485,619 Ordinary Shares, including 20,367 shares underlying the 2022 Annual Long Term Incentive Plan and 272,659 shares underlying deferred bonus plan awards, each award representing a contingent right to receive one share upon vesting and settlement.

Marex Group Ltd (MRX) reported that Nilesh Jethwa, CEO of Marex Solutions, had 31,567 Ordinary Shares withheld on September 7, 2026 to satisfy a tax withholding obligation related to vesting under the 2022 Annual Long Term Incentive Plan. The shares were not sold in the market, and he holds 282,950 Ordinary Shares directly afterward, including contingent rights under long‑term incentive and deferred bonus plan awards.

Marex Group Ltd (MRX) reported that Chief Executive Officer and director Ian T. Lowitt had 36,587 ordinary shares withheld on September 7, 2026 to satisfy a tax withholding obligation arising from the vesting of awards under the 2022 Annual Long Term Incentive Plan. The withholding was valued using a share price of $78.27, which reflects the closing price of Marex ordinary shares on September 4, 2026. Following this tax-related withholding, Lowitt holds 2,835,472 ordinary shares directly, including 41,256 shares underlying the 2022 Annual Long Term Incentive Plan and 194,411 shares underlying deferred bonus plan awards that each represent a contingent right to receive one ordinary share upon vesting and settlement. No Rule 10b5-1 trading plan is reported for this transaction.

Marex Group Ltd (MRX) reported that Nilesh Jethwa, CEO of Marex Solutions, acquired 67,163 Ordinary Shares at a per-share price of $0.00, reflecting vesting of a prior equity award rather than a market purchase. These shares relate to a September 6, 2023 grant under the 2022 Annual Long Term Incentive Plan, for which the Remuneration Committee determined on August 19, 2026 that specified performance conditions had been met. The award remains subject to time-based vesting and is scheduled to fully vest on September 6, 2026. Following this transaction, Jethwa holds 314,517 Ordinary Shares, including 111,183 shares underlying previously granted deferred bonus plan awards, each representing a contingent right to receive one Ordinary Share upon vesting and settlement.

Marex Group Ltd (MRX) reported that officer Paolo Tonucci received 38,921 Ordinary Shares on August 19, 2026 as a grant/award under the company’s 2022 Annual Long Term Incentive Plan, at a stated price of $0.00 per share. The Remuneration Committee determined that the award’s performance conditions were met, but the award remains subject to time-based vesting and is scheduled to fully vest on September 6, 2026. After this vesting-related acquisition and including deferred bonus plan awards, Tonucci’s reported stake is 1,304,530 Ordinary Shares.

Marex Group Ltd (MRX) reported that President Simon Van Den Born acquired 33,582 Ordinary Shares on August 19, 2026 through the vesting of a prior equity award, at a reported price of $0.00 per share, bringing his directly held and award-related position to 1,498,834 Ordinary Shares.

The shares relate to a September 6, 2023 grant under the 2022 Annual Long Term Incentive Plan, for which the Remuneration Committee determined on August 19, 2026 that performance conditions based on return on equity and growth in adjusted operating profit before tax had been met; the award remains subject to time-based vesting and is scheduled to fully vest on September 6, 2026. The reported holdings include 272,659 shares underlying deferred bonus plan awards, each representing a contingent right to receive one Marex ordinary share upon vesting and settlement.

Marex Group Ltd (MRX) reported that Chief Executive Officer and director Ian T. Lowitt acquired 77,843 Ordinary Shares on August 19, 2026 via a grant/award under the 2022 Annual Long Term Incentive Plan at a stated price of $0.00 per share. The Remuneration Committee determined that performance conditions tied to return on equity and growth in adjusted operating profit before tax had been met, so these shares are vesting subject to continued service until September 6, 2026. Following this transaction, Lowitt holds 2,872,059 Ordinary Shares directly, including 194,411 shares underlying deferred bonus plan awards.

Marex Group Ltd (MRX) director and Chief Financial Officer Rob Irvin reported selling a total of 3,700 Ordinary Shares on August 14, 2026 in open-market transactions. The sales comprised 3,500 shares at a weighted average price of $70.91 (individual trades ranged from $70.69 to $71.35) and 200 shares at a weighted average price of $71.87 (ranging from $71.71 to $72.02). A footnote states that the ordinary shares reported for Irvin include 25,300 shares underlying deferred bonus plan awards, each representing a contingent right to receive one ordinary share upon vesting and settlement.

Marex Group Ltd insider Paolo Tonucci, Chief Strategist and CEO, Capital Markets, reported selling a total of 16,668 Ordinary Shares of MRX on August 10, 2026 in three open-market transactions at weighted average prices of $60.6402, $61.6184, and $62.2222 per share. These sales were effected pursuant to a Rule 10b5-1 plan entered into on October 22, 2025. A related footnote states that the number of ordinary shares reported for him includes 220,746 shares underlying deferred bonus plan awards, each representing a contingent right to receive one ordinary share upon vesting and settlement.

Marex Group Ltd officer Paolo Tonucci reported open-market sales of 16,666 Ordinary Shares on July 13, 2026, at weighted-average prices between $63.645 and $65.75 per share. These trades were executed under a pre-arranged Rule 10b5-1 plan adopted on October 22, 2025. The reported position includes 220,746 shares underlying deferred bonus plan awards, each representing a contingent right to receive one ordinary share upon vesting and settlement.

Marex Group Ltd Chief Executive Officer Ian T. Lowitt reported open-market sales of 37,142 ordinary shares on July 13, 2026, at prices ranging from $63.66 to $66.09, under a pre-arranged Rule 10b5-1 plan. After these transactions he directly holds 2,794,216 ordinary shares, including 194,411 underlying deferred bonus plan awards.

Marex Group plc officer Paolo Tonucci reported selling 16,666 Ordinary Shares of the company in open-market transactions. The sales took place on June 15, 2026 at weighted average prices around the low $60s, with individual trade prices ranging from $60.945 to $63.075.

The filing notes these trades were executed under a pre-arranged Rule 10b5-1 trading plan entered into on October 22, 2025, indicating they were scheduled in advance. Tonucci’s reported holdings include 220,746 ordinary shares underlying deferred bonus plan awards that convert into one ordinary share each upon vesting and settlement.

Marex Group plc Chief Executive Officer Ian T. Lowitt reported open-market sales of a total of 37,143 Ordinary Shares on June 12, 2026, executed under a pre-arranged Rule 10b5-1 plan. The shares were sold at weighted average prices in the low-$60s per share.

Following these transactions, Lowitt directly holds 2,831,358 Ordinary Shares, which includes 194,411 shares underlying deferred bonus plan awards that represent contingent rights to receive one share each upon vesting and settlement.

Marex Group plc director Assi Georges reported an equity award. On June 9, 2026, he was granted 2,070 Ordinary Shares at a price of $0.00 per share as a restricted share award. The filing notes these awards are contingent rights that convert into one Ordinary Share each upon vesting and settlement, giving him 2,070 shares reported as directly owned after the grant.

Schweinitz Konstantin Graf von reported acquisition or exercise transactions in this Form 4 filing.

Marex Group plc director Schweinitz Konstantin Graf von received an equity grant of 2,070 restricted share awards, each representing a contingent right to one ordinary share upon vesting and settlement. Following this grant, he directly holds 26,165 ordinary shares of Marex Group plc.

Ing Sarah reported acquisition or exercise transactions in this Form 4 filing.

Marex Group plc director Ing Sarah reported a grant of 2,070 ordinary shares in the form of restricted share awards. The awards were granted at a price of 0.0000 per share and represent a contingent right to receive one ordinary share per award upon vesting and settlement.

Following this grant, Ing Sarah holds 10,895 ordinary shares directly and 535 ordinary shares indirectly through a spouse. The filing reflects a compensation-related share award rather than an open-market purchase or sale.

Pietrowicz John W. reported acquisition or exercise transactions in this Form 4 filing.

Marex Group plc director Pietrowicz John W. received a grant of 2,070 Ordinary Shares as a restricted share award. The shares were awarded at no cash cost and are subject to vesting and settlement conditions. Following this compensation-related award, he directly holds 23,771 Ordinary Shares in total.

Myers Linda Kristine reported acquisition or exercise transactions in this Form 4 filing.

Marex Group plc director Linda Kristine Myers reported receiving an equity grant of 2,070 restricted share awards of Ordinary Shares on June 9, 2026 at no cash cost per share. Each award is a contingent right to one ordinary share upon vesting and settlement. Following this grant, she directly holds 23,214 Ordinary Shares, reflecting routine share-based compensation rather than an open-market purchase.

Pickering Robert Mark reported acquisition or exercise transactions in this Form 4 filing.

Marex Group plc director Robert Mark Pickering received an equity grant of 2,070 ordinary shares in the form of restricted share awards. The grant was made at no cash cost per share and increases his direct holdings to 31,766 ordinary shares, including the unvested awards that will deliver one share per award upon vesting.

Marex Group plc officer Thomas Texier reported selling 1,572 Ordinary Shares of MRX in open-market transactions under a pre-arranged Rule 10b5-1 trading plan. The shares were sold at weighted average prices in the low-$50s per share.

After these sales, Texier directly holds 207,019 Ordinary Shares, which includes 150,563 shares underlying deferred bonus plan awards that will be delivered upon vesting and settlement.

Marex Group plc director Linda Kristine Myers reported a routine tax-related share disposition. On June 1, 2026, 1,115 ordinary shares were withheld to cover tax obligations tied to vesting of previously reported restricted share awards, using a reference price of $52.94 per share. After this withholding, she directly holds 21,144 ordinary shares.

Marex Group plc director John W. Pietrowicz reported a routine tax-related share disposition. In connection with the vesting of previously reported restricted share awards, 558 ordinary shares were withheld to satisfy tax obligations, using a reference price of $52.94 per share. After this withholding, he directly holds 21,701 ordinary shares, and no open-market buy or sell transaction occurred.

Marex Group plc director Sarah Ing reported routine share movements. The filing shows 1,310 Ordinary Shares were disposed of to cover a tax withholding obligation linked to the vesting of previously reported restricted share awards, at a reference price of $52.94 per share.

After this tax-withholding disposition, Ing holds 8,825 Ordinary Shares directly and 535 Ordinary Shares indirectly through her spouse. The transaction reflects compensation-related tax settlement rather than an open-market purchase or sale.

Marex Group plc Chief Executive Officer Ian T. Lowitt reported a routine tax-related share disposition. On this Form 4, 39,478 ordinary shares were withheld to satisfy tax withholding obligations tied to the vesting of previously granted deferred bonus plan awards, rather than being sold on the open market.

After this withholding, Lowitt directly holds 2,868,501 ordinary shares. This figure includes 194,411 shares underlying deferred bonus plan awards that represent contingent rights to receive one ordinary share each upon future vesting and settlement.

Marex Group plc Chief Financial Officer Rob Irvin reported an automatic tax-related share disposition tied to deferred bonus awards. On the vesting of previously reported deferred bonus plan awards, 3,358 ordinary shares were withheld to satisfy the associated tax withholding obligation, using a reference price of $54.45 per share.

After this withholding, Irvin holds 34,746 ordinary shares directly, including 25,300 shares underlying deferred bonus plan awards that represent contingent rights to receive one ordinary share each upon future vesting and settlement.

Marex Group plc executive Thomas Texier, Group Head of Clearing, reported a tax-related share disposition. On May 22, 2026, 19,640 ordinary shares were withheld to satisfy tax withholding obligations tied to the vesting of previously reported deferred bonus plan awards. The value per share was $54.45, the closing price of Marex’s ordinary shares on Nasdaq on May 21, 2026. Following this withholding, Texier is reported as holding 208,591 ordinary shares, which includes 150,563 shares underlying deferred bonus plan awards that provide a contingent right to receive one ordinary share upon vesting and settlement. This transaction reflects tax withholding rather than an open-market sale.

Marex Group plc President Simon Van Den Born reported a tax-related share disposition tied to deferred bonus awards. On the vesting of previously granted deferred bonus plan awards, 43,712 ordinary shares were withheld to satisfy his tax withholding obligation, using a reference price of $54.45 per share, the closing price on May 21, 2026. After this withholding, he beneficially owns 1,465,252 ordinary shares, which the filing notes includes 272,659 shares underlying deferred bonus plan awards that represent contingent rights to receive one ordinary share per award upon future vesting and settlement.

Marex Group plc executive Paolo Tonucci reported a tax-withholding share disposition related to equity compensation, not an open-market trade. On this Form 4, 31,080 ordinary shares were withheld on May 22, 2026 to satisfy tax obligations tied to the vesting of previously granted deferred bonus plan awards at a reference price of $54.45 per share.

After this withholding, Tonucci directly holds 1,315,609 ordinary shares, which the filing notes includes 220,746 shares underlying deferred bonus plan awards that will be delivered only upon future vesting and settlement. The transaction reflects routine tax administration on compensation rather than a discretionary sale.

Marex Group plc reported that Nilesh Jethwa, CEO of Marex Solutions, had 39,661 Ordinary Shares withheld on May 22, 2026 to satisfy tax obligations tied to the vesting of previously granted deferred bonus plan awards. This was recorded at a reference price of $54.45 per share and reflects a tax-withholding disposition rather than an open market sale. After this withholding, Jethwa beneficially owns 247,354 Ordinary Shares, which include 111,183 shares underlying deferred bonus plan awards that will be delivered upon future vesting and settlement.

Marex Group plc officer Paolo Tonucci reported selling 16,668 Ordinary Shares of the company in open-market transactions. The sales occurred on May 11, 2026 at weighted average prices of $55.7185 and $56.315 per share under a pre-arranged Rule 10b5-1 plan entered into on October 22, 2025. After these trades, he continues to hold more than 1.3 million shares, which includes 286,871 shares underlying deferred bonus plan awards that give him a contingent right to receive one ordinary share for each award upon vesting.

Marex Group plc Group Head of Clearing Thomas Texier sold a total of 14,427 Ordinary Shares in open-market transactions. The sales on May 1, 2026 were executed at weighted average prices of $52.8713 and $53.5287 per share under a pre-arranged Rule 10b5-1 plan.

Following these transactions, Texier directly owns 228,231 Ordinary Shares, which the disclosure states includes 192,348 shares underlying previously granted deferred bonus plan awards that settle into one ordinary share each upon vesting.

Marex Group plc President Simon Van Den Born reported selling a total of 13,265 Ordinary Shares on April 20, 2026 in two open-market transactions. One sale covered 12,624 shares at a weighted average price of $50.9165 per share, and the other covered 641 shares at a weighted average price of $51.7098 per share.

The transactions were carried out under a pre-arranged Rule 10b5-1 trading plan that he entered into on December 12, 2025. After these sales, each line item shows he continued to hold more than 1.5 million Ordinary Shares directly. His reported holdings include 383,741 shares underlying deferred bonus plan awards, each representing a contingent right to receive one Ordinary Share upon vesting and settlement.

Marex Group plc officer Paolo Tonucci reported selling 16,666 Ordinary Shares of the company on April 13, 2026 in open-market transactions. The sales occurred in three blocks of 6,760, 5,829 and 4,077 shares at weighted average prices of $50.6012, $51.5564 and $52.3578, respectively. These transactions were executed under a pre-arranged Rule 10b5-1 trading plan entered into on October 22, 2025, indicating they were scheduled in advance. Following the sales, Tonucci directly holds 1,363,357 Ordinary Shares, which include 286,871 shares underlying deferred bonus plan awards that each convert into one Ordinary Share upon vesting and settlement.

Marex Group plc President Simon Van Den Born reported open-market sales of a total of 13,264 ordinary shares. The trades occurred in two blocks at weighted average prices of $43.2683 and $43.9697 per share, executed under a pre-arranged Rule 10b5-1 plan entered into on December 12, 2025.

Following these transactions, he directly owns 1,522,229 ordinary shares, which include 383,741 shares underlying deferred bonus plan awards that may convert into ordinary shares upon vesting and settlement.

Marex Group plc executive Thomas Texier, Group Head of Clearing, reported open-market sales of company ordinary shares. On April 1, 2026, he sold 9,589 shares at a weighted average price of $43.2754 and 4,838 shares at a weighted average price of $43.9743 under a pre-arranged Rule 10b5-1 plan entered into on September 10, 2025.

Following these transactions, Texier directly holds 242,658 ordinary shares of Marex Group plc. This figure includes 192,348 shares underlying deferred bonus plan awards, each representing a contingent right to receive one ordinary share upon vesting and settlement.