SEC Form 4
Marex Group Limited (MRX) insider trading
In the 12 months to Oct 26, 2026, 5 MRX insiders reported open-market sales of $17.2M across 17 filings; no open-market purchases were filed.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $17.2M
- 17 filings · 5 insiders
- Open-market purchases
- $0
- 0 filings
- Pre-arranged sales (10b5-1)
- 16 of 17
- $16.9M of $17.2M sold (98%)
Who traded MRX, and when
- Sale
- Sale, pre-arranged (10b5-1)
MRX daily close from Oct 27, 2025 to Oct 26, 2026, between $30.20 and $78.27, last $70.83. 17 sale and 0 purchase filings by 5 insiders, marked at their filing dates. Paolo Tonucci, Officer (see filing): sold $7.3M across 7 filings, first filed Apr 15, 2026, last Oct 14, 2026. Ian T. Lowitt, Chief Executive Officer: sold $4.7M across 2 filings, first filed Jun 16, 2026, last Jul 15, 2026. Den Born Simon Van, President: sold $3.4M across 4 filings, first filed Apr 2, 2026, last Oct 14, 2026. Thomas Texier, Group Head of Clearing: sold $1.5M across 3 filings, first filed Apr 2, 2026, last Jun 3, 2026. Rob Irvin, Chief Financial Officer: sold $262.5K across 1 filing, first filed Aug 18, 2026, last Aug 18, 2026.
Largest mark · tap a row for others
Ian T. Lowitt · Chief Executive Officer
Sale $2,391,703
37,142 shares
Filed Jul 15, 2026 · traded Jul 13
Pre-arranged (10b5-1) · close on filing date $65.07
Paolo Tonucci · Officer (see filing)
Officer (see filing)
$7.3M soldIan T. Lowitt · Chief Executive Officer
Chief Executive Officer
$4.7M soldDen Born Simon Van · President
President
$3.4M soldThomas Texier · Group Head of Clearing
Group Head of Clearing
$1.5M soldRob Irvin · Chief Financial Officer
Chief Financial Officer
$262.5K soldOpen-market trades
17 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Paolo Tonucci | Officer (see filing) | $7.3M | — | 7 | 100% of sales | |
| Ian T. Lowitt | Chief Executive Officer | $4.7M | — | 2 | 100% of sales | |
| Den Born Simon Van | President | $3.4M | — | 4 | 100% of sales | |
| Thomas Texier | Group Head of Clearing | $1.5M | — | 3 | 100% of sales | |
| Rob Irvin | Chief Financial Officer | $262.5K | — | 1 | — |
| Filed | Insider | Type | Shares | Value | Held after | Source |
|---|---|---|---|---|---|---|
traded | Paolo Tonucci Officer (see filing) | SalePre-arranged (10b5-1) | 16,666 ordinary shares | $1.2M | 1,252,905 | |
traded | Den Born Simon Van President | SalePre-arranged (10b5-1) | 15,272 ordinary shares | $1.1M | 1,456,336 | |
traded | Den Born Simon Van President | SalePre-arranged (10b5-1) | 15,271 ordinary shares | $1.1M | 1,470,348 | |
traded | Paolo Tonucci Officer (see filing) | SalePre-arranged (10b5-1) | 16,666 ordinary shares | $1.2M | 1,272,523 | |
traded | Rob Irvin Chief Financial Officer | Sale | 3,700 ordinary shares | $262.5K | 31,046 | |
traded | Paolo Tonucci Officer (see filing) | SalePre-arranged (10b5-1) | 16,668 ordinary shares | $1.0M | 1,265,609 | |
traded | Ian T. Lowitt Chief Executive Officer | SalePre-arranged (10b5-1) | 37,142 ordinary shares | $2.4M | 2,803,960 | |
traded | Paolo Tonucci Officer (see filing) | SalePre-arranged (10b5-1) | 16,666 ordinary shares | $1.1M | 1,282,277 | |
traded | Paolo Tonucci Officer (see filing) | SalePre-arranged (10b5-1) | 16,666 ordinary shares | $1.0M | 1,313,951 | |
traded | Ian T. Lowitt Chief Executive Officer | SalePre-arranged (10b5-1) | 37,143 ordinary shares | $2.3M | 2,831,358 | |
traded | Thomas Texier Group Head of Clearing | SalePre-arranged (10b5-1) | 1,572 ordinary shares | $83.9K | 207,019 | |
traded | Paolo Tonucci Officer (see filing) | SalePre-arranged (10b5-1) | 16,668 ordinary shares | $932.1K | 1,352,423 | |
traded | Thomas Texier Group Head of Clearing | SalePre-arranged (10b5-1) | 14,427 ordinary shares | $764.5K | 230,837 | |
traded | Den Born Simon Van President | SalePre-arranged (10b5-1) | 13,265 ordinary shares | $675.9K | 1,509,605 | |
traded | Paolo Tonucci Officer (see filing) | SalePre-arranged (10b5-1) | 16,666 ordinary shares | $856.0K | 1,363,357 | |
traded | Thomas Texier Group Head of Clearing | SalePre-arranged (10b5-1) | 14,427 ordinary shares | $627.7K | 242,658 | |
traded | Den Born Simon Van President | SalePre-arranged (10b5-1) | 13,264 ordinary shares | $577.1K | 1,526,783 |
Shares are as filed (ordinary shares or ADS); values are as converted to US$ in the filing.
GET /stocks/filings/vX/form-4?tickers=MRX&filing_date.gte=2025-10-26&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"MRX"
],
"issuer_cik": "0001997464",
"owner_cik": "0002057942",
"accession_number": "0001193125-26-421660",
"form_type": "4",
"filing_date": "2026-10-14",
"period_of_report": "2026-10-12",
"issuer_name": "Marex Group Ltd",
"issuer_trading_symbol": "MRX",
"owner_name": "Tonucci Paolo",
"is_director": false,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "See Remarks",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Ordinary Shares",
"transaction_timeliness": "O",
"aff_10b5_one": true,
"transaction_date": "2026-10-12",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 15506,
"transaction_price_per_share": 71.9819,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 1254065,
"transaction_value": 1116151.3414,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on October 22, 2025."
},
{
"id": "F2",
"description": "The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $71.39 to $72.37, 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."
}
],
"remarks": "Chief Strategist and CEO, Capital Markets"
},
{
"tickers": [
"MRX"
],
"issuer_cik": "0001997464",
"owner_cik": "0002057942",
"accession_number": "0001193125-26-421660",
"form_type": "4",
"filing_date": "2026-10-14",
"period_of_report": "2026-10-12",
"issuer_name": "Marex Group Ltd",
"issuer_trading_symbol": "MRX",
"owner_name": "Tonucci Paolo",
"is_director": false,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "See Remarks",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Ordinary Shares",
"transaction_timeliness": "O",
"aff_10b5_one": true,
"transaction_date": "2026-10-12",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 1160,
"transaction_price_per_share": 72.6382,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 1252905,
"transaction_value": 84260.31199999999,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on October 22, 2025."
},
{
"id": "F3",
"description": "The price reported in Column 4 is a weighted average price. These shares were sold in transactions at prices ranging from $72.42 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."
},
{
"id": "F4",
"description": "The number of ordinary shares reported herein includes (i) 20,628 shares underlying the Issuer's 2022 Annual Long Term Incentive Plan, and (ii) 220,746 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."
}
],
"remarks": "Chief Strategist and CEO, Capital Markets"
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
Other insider activity (not market trades) · 23 records
- Tax withholding13 records
- Grants and awards10 records
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Pre-arranged (10b5-1)
- The insider marked the filing as made under a trading plan set up in advance (SEC Rule 10b5-1). The mark covers the whole filing, and an unmarked filing may still be under a plan.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.
Frequently asked questions
Has Marex Group Limited's CEO sold stock?
Yes. Ian T. Lowitt (CEO) sold 74,285 shares ($4.7M) between Jun 2026 and Jul 2026, all under a pre-arranged 10b5-1 plan. Nilesh Jethwa (CEO) made no open-market sales filed as CEO in the last 12 months.
How current is MRX’s insider data?
These are MRX Form 4 filings from the last year, refreshed daily. The Massive Form 4 API has the full, continuously updated record.
What counts as an open-market buy or sell?
Only purchases and sales at the market price. Option exercises, grants, gifts, and shares withheld for taxes are reported on Form 4 but are left out of the buy and sell totals.
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