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  4. [Form 4] Marex Group plc Insider Trading Activity

Marex Group (MRX) has shares withheld to cover executive tax obligations

Filing Impact
(Very High)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

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.

Positive

  • None.

Negative

  • None.
Insider Texier Thomas
Role Group Head of Clearing
Type Security Shares Price Value
Exercise Price or Tax Liability Ordinary Shares 19,640 $54.45 $1.07M
Holdings After Transaction: Ordinary Shares — 208,591 shares (Direct)
Footnotes (3)
  1. F1. 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.
  2. F2. The price reported represents the closing price of the Issuer's ordinary shares on the Nasdaq Stock Market LLC on May 21, 2026.
  3. F3. The number of ordinary shares reported herein includes 150,563 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.
Shares withheld for tax 19,640 ordinary shares Tax withholding on vesting of deferred bonus plan awards on May 22, 2026
Price per withheld share $54.45 per share Closing price of Marex ordinary shares on Nasdaq on May 21, 2026
Shares following transaction 208,591 ordinary shares Total reported holdings after tax-withholding disposition
Deferred bonus plan underlying shares 150,563 shares Shares underlying deferred bonus plan awards, one share per award upon vesting and settlement
tax withholding obligation financial
"withheld to satisfy the tax withholding obligation in connection with the vesting"
deferred bonus plan awards financial
"underlying deferred bonus plan awards previously granted to the Reporting Person"
Deferred bonus plan awards are payments promised to employees or executives that are earned now but paid out later, often only if certain performance goals are met or the employee remains with the company. For investors, they matter because they influence management’s incentives and company expenses over time—like a delayed paycheck that encourages someone to stay and meet targets—and can affect future cash needs, reported compensation costs, and potential share dilution.
contingent right financial
"Each award represents a contingent right to receive one (1) ordinary share"
vesting and settlement financial
"upon vesting and settlement of the applicable award"

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Form 4 Insider Transactions: What Each Field Means →

FAQ

What insider transaction did Marex Group (MRX) report for Thomas Texier?
Marex Group reported that executive Thomas Texier had 19,640 ordinary shares withheld to cover tax obligations from vesting deferred bonus awards. This is a tax-withholding disposition, not an open-market share sale or purchase, and was recorded on May 22, 2026.

Was the Marex Group (MRX) Form 4 a sale of shares by Thomas Texier?
No, the Form 4 shows a tax-withholding disposition, not an open-market sale. Shares were withheld to satisfy tax obligations triggered by the vesting of previously granted deferred bonus plan awards rather than being sold by Texier in the market.

How many Marex Group (MRX) shares does Thomas Texier hold after this Form 4?
After the tax withholding, Thomas Texier is reported as holding 208,591 ordinary shares. This figure includes 150,563 shares underlying deferred bonus plan awards, each representing a contingent right to receive one ordinary share upon vesting and settlement of the relevant award.

At what price were the withheld Marex Group (MRX) shares valued in the Form 4?
The 19,640 withheld ordinary shares were valued at $54.45 per share. That price corresponds to the closing price of Marex Group’s ordinary shares on the Nasdaq Stock Market on May 21, 2026, as disclosed in the filing’s footnotes.

What are the deferred bonus plan awards mentioned in the Marex Group (MRX) filing?
The deferred bonus plan awards give Thomas Texier a contingent right to receive one Marex ordinary share per award. The filing notes 150,563 shares underlying such awards, which are delivered upon vesting and settlement, contributing to his reported post-transaction share position.

Why did Marex Group (MRX) withhold shares from Thomas Texier’s awards?
Shares were withheld to satisfy tax withholding obligations arising when certain deferred bonus plan awards vested. Instead of paying taxes in cash, a portion of the shares due on vesting, 19,640 ordinary shares, was retained to cover the associated tax liability.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Texier Thomas
(Last)(First)(Middle)
C/O MAREX GROUP PLC, 155 BISHOPSGATE
(Street)
LONDONUNITED KINGDOMEC2M 3TQ
(City)(State)(Zip)
UNITED KINGDOM
(Country)		2. Issuer Name and Ticker or Trading Symbol
Marex Group plc [ MRX ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Group Head of Clearing
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/22/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Ordinary Shares05/22/2026F19,640(1)D$54.45(2)208,591(3)D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. 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.
2. The price reported represents the closing price of the Issuer's ordinary shares on the Nasdaq Stock Market LLC on May 21, 2026.
3. The number of ordinary shares reported herein includes 150,563 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.
/s/ Scott Linsley as Attorney-in-Fact, for Thomas Texier05/27/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR