The SEC lists Marex Group Ltd under CIK 0001997464, in security and commodity brokers, dealers, exchanges and services. We track it alongside the rest of the Financials sector.
MRX Form 4 activity by transaction type, last 90 days
Form 4 transaction type
Transactions
Shares
Total value
Open-market sale
9
52,305
$3.54M
Grant or award
4
217,509
Tax withholding / forfeiture
4
99,662
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
MRX insider transactions (Form 4)
43
38 Form 4 filings on record, the earliest from Apr 2, 2026, newest first. Filing history page 1 of 2.
Footnote F2 (price): 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… Full note on SEC EDGAR
Footnote F3 (price): 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… Full note on SEC EDGAR
Footnote 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… Full note on SEC EDGAR
Footnote 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… Full note on SEC EDGAR
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote F1 (price): 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… Full note on SEC EDGAR
Footnote F2 (price): 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… Full note on SEC EDGAR
Footnote F2 (price): 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… Full note on SEC EDGAR
Footnote F3 (price): 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… Full note on SEC EDGAR
Footnote F4 (price): 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… Full note on SEC EDGAR
Footnote F2 (price): 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… Full note on SEC EDGAR
Footnote F3 (price): 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… Full note on SEC EDGAR
Footnote F4 (price): 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… Full note on SEC EDGAR
Footnote F2 (price): 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… Full note on SEC EDGAR
Footnote F3 (price): 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… Full note on SEC EDGAR
Footnote F4 (price): 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… Full note on SEC EDGAR
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $61.81 to $62.80, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR
Footnote F3 (price): 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… Full note on SEC EDGAR
Footnote F2 (price): 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… Full note on SEC EDGAR
Footnote F3 (price): 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… Full note on SEC EDGAR
Footnote F4 (price): 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… Full note on SEC EDGAR
Footnote F2 (price): 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… Full note on SEC EDGAR
Footnote F3 (price): 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… Full note on SEC EDGAR
Footnote 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 restricted share awards.
Footnote F2 (price): The price reported represents the closing price of the Issuer's ordinary shares on the Nasdaq Stock Market LLC on May 29, 2026.
Footnote 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 restricted share awards.
Footnote F2 (price): The price reported represents the closing price of the Issuer's ordinary shares on the Nasdaq Stock Market LLC on May 29, 2026.
Footnote 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 restricted share awards.
Footnote F2 (price): The price reported represents the closing price of the Issuer's ordinary shares on the Nasdaq Stock Market LLC on May 29, 2026.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.
Recent MRX Form 144 notices of proposed sale
3
An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
Marex Group Ltd (MRX) had 12 insider filings in the last 90 days, with the most recent on 2026-09-16. The full record for MRX runs to 38 Form 4 filings, the earliest from 2026-04-02. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying MRX stock?
No insider purchases of MRX were filed in the last 90 days.
How many insiders are selling MRX stock?
9 insider sales of MRX were filed in the last 90 days, totaling $3.54M.
Where can I see MRX SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects MRX Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.