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

Marex Group (MRX) clearing head sells 1,572 shares under 10b5-1 plan

Filing Impact
(Neutral)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

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.

Positive

  • None.

Negative

  • None.
Insider Texier Thomas
Role Group Head of Clearing
Sold 1,572 shs ($84K)
Type Security Shares Price Value
Sale Ordinary Shares 1,303 $53.2195 $69K
Sale Ordinary Shares 269 $53.9793 $15K
Holdings After Transaction: Ordinary Shares — 207,288 shares (Direct, null)
Footnotes (1)
  1. 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. The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $52.775 to $53.77, 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. The price reported in Column 4 is a weighted average price. 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. 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 sold 1,572 shares Total Ordinary Shares sold in open-market transactions
Weighted avg sale price 1 $53.9793/share Weighted average price for 269 Ordinary Shares sold
Weighted avg sale price 2 $53.2195/share Weighted average price for 1,303 Ordinary Shares sold
Post-transaction holdings 207,019 shares Ordinary Shares directly held after the reported sales
Deferred bonus awards 150,563 shares Shares underlying deferred bonus plan awards included in holdings
Price range footnote 1 $52.775–$53.77 Range of individual trade prices for one sale group
Price range footnote 2 $53.775–$54.155 Range of individual trade prices for the other sale group
Rule 10b5-1 plan regulatory
"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person"
A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.
weighted average price financial
"The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from"
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
Ordinary Shares financial
"The number of ordinary shares reported herein includes 150,563 shares underlying deferred bonus plan awards"
Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.
deferred bonus plan awards financial
"includes 150,563 shares 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 of the Issuer upon vesting and settlement"
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Form 4 Insider Transactions: What Each Field Means →
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).
X
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)
06/01/2026		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 Shares06/01/2026S(1)1,303D$53.2195(2)207,288D
Ordinary Shares06/01/2026S(1)269D$53.9793(3)207,019(4)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. 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.
2. The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $52.775 to $53.77, 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.
3. The price reported in Column 4 is a weighted average price. 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.
4. 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 Texier06/03/2026
** 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

FAQ

How many Marex Group (MRX) shares did Thomas Texier sell in this Form 4?

Thomas Texier sold a total of 1,572 Ordinary Shares of Marex Group plc. The filing shows two open-market sale transactions on Ordinary Shares, both coded as “S,” reflecting net selling activity for this reporting date.

At what prices were the Marex Group (MRX) shares sold by Thomas Texier?

The reported weighted average sale prices were $53.9793 and $53.2195 per share. Footnotes state the actual transaction prices ranged from $52.775 to $54.155 across the individual trades executed within these averages.

Was the Marex Group (MRX) insider sale by Thomas Texier made under a Rule 10b5-1 plan?

Yes. A footnote states the sale was effected pursuant to a Rule 10b5-1 plan entered into on September 10, 2025. Such plans pre-schedule trades, indicating the timing was set in advance rather than decided on the trade date.

How many Marex Group (MRX) shares does Thomas Texier hold after these transactions?

After these transactions, Thomas Texier holds 207,019 Ordinary Shares directly. A footnote explains this figure includes 150,563 shares underlying deferred bonus plan awards, which will be delivered when those awards vest and settle.

What are the deferred bonus plan awards mentioned in the Marex Group (MRX) Form 4?

Deferred bonus plan awards give the holder a contingent right to receive shares in the future. The filing states each award represents one Ordinary Share of Marex Group plc, deliverable upon vesting and settlement of the applicable award.