Nasdaq · CIK 0001997464
MRX Marex Group plc
Insider trading from SEC Form 4. Last filing 27 d ago. Close $71.92 on Oct 9, 2026, +144% from the 52-week low and -8% from the high.
Marex Group plc (MRX) has 10 SEC Form 4 filings on file from 7 insiders, the latest filed on Sep 16, 2026. In the last 90 days insiders made 0 open-market buys worth $0 and 2 open-market sells worth $2.3M, net -$2.3M.
2 open-market trades have been scored at MRX. The newest: Simon Van Den Born (President) sold $1.1M of stock on Sep 14, 2026, filed Sep 16, 2026, scored 33 (weak), under a 10b5-1 plan. The largest of the 2 shown: Paolo Tonucci (See Remarks) sold $1.2M on Sep 14, 2026, scored 28 (weak), under a 10b5-1 plan. 2 insiders sold within 14 days of each other around Sep 14, 2026.
MRX closed at $71.92 on Oct 9, 2026, 144% above its 52-week low and 8% below its 52-week high.
15 Form 144 notices of planned sales are on file, the latest filed Nov 24, 2025.
Last 90 days
Price and insider trades, last year
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at Marex Group plc, scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 33Weak | Simon Van Den Born President sell | $1.1M 15,271 shares | -1% | - | |
| 28Weak | Paolo Tonucci See Remarks sell | $1.2M 16,666 shares | -1% | - |
Planned sales
Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales
| Filed | Seller | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Nov 24, 2025 | Sarah Ing Director | 6,813 0.01% of outstanding | $216k | Nov 24, 2025 | none |
| Nov 12, 2025 | Nilesh Kumar Jethwa Officer | 105,637 100.00% of outstanding | $3.7M | Nov 12, 2025 | $537k |
| Oct 6, 2025 | Thomas Hugues Texier Officer | 12,855 0.02% of outstanding | $375k | Oct 6, 2025 | $478k |
| Oct 6, 2025 | Simon Van Den Born Officer | 56,000 0.08% of outstanding | $1.6M | Oct 6, 2025 | $1.6M |
| Jun 23, 2025 | Ian Lowitt CEO | 210,000 0.29% of outstanding | $8.2M | Jun 23, 2025 | none |
| Jun 16, 2025 | Nilesh Kumar Jethwa Officer | 60,920 0.09% of outstanding | $2.4M | Jun 16, 2025 | none |
| Jun 16, 2025 | Paolo Roberto Tonucci Officer | 66,672 0.09% of outstanding | $2.6M | Jun 16, 2025 | none |
| Jun 16, 2025 | Thomas Hugues Texier Officer | 17,145 0.02% of outstanding | $672k | Jun 16, 2025 | none |
| Jun 16, 2025 | Simon Van Den Born Officer | 56,000 0.08% of outstanding | $2.2M | Jun 16, 2025 | none |
| May 28, 2025 | Amphitryon Limited (In Liquidation) 10% Stockholder | 2,195,913 3.08% of outstanding | $95M | May 30, 2025 | $178M |
| May 28, 2025 | MASP Investor Limited Partnership 10% Stockholder | 1,540,828 2.16% of outstanding | $67M | May 30, 2025 | $125M |
| Mar 12, 2025 | Crispin Robert John Irvin Officer | 2,477 0.00% of outstanding | $79k | Mar 12, 2025 | none |
| Mar 10, 2025 | Nilesh Kumar Jethwa Officer | 299,473 0.43% of outstanding | $9.5M | Mar 10, 2025 | none |
| Mar 10, 2025 | Paolo Roberto Tonucci Officer | 100,000 0.14% of outstanding | $3.6M | Mar 10, 2025 | none |
| Mar 10, 2025 | Simon Van Den Born Officer | 26,731 0.04% of outstanding | $972k | Mar 10, 2025 | none |
Transactions
Every row filed, 12 in all.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 14, 2026 | Simon Van Den Born President | SOpen-market sale Ordinary Shares10b5-1 | -12,616 | $70.77 | $893k | 1,473,003 | 27 d ago |
| Sep 14, 2026 | Paolo Tonucci See Remarks | SOpen-market sale Ordinary Shares10b5-1 | -13,714 | $70.77 | $971k | 1,272,523 | 27 d ago |
| Sep 14, 2026 | Simon Van Den Born President | SOpen-market sale Ordinary Shares10b5-1 | -2,655 | $71.36 | $189k | 1,470,348 | 27 d ago |
| Sep 14, 2026 | Paolo Tonucci See Remarks | SOpen-market sale Ordinary Shares10b5-1 | -2,952 | $71.35 | $211k | 1,269,571 | 27 d ago |
| Sep 7, 2026 | Nilesh Jethwa CEO, Marex Solutions | FTax withholding Ordinary Shares | -31,567 | $78.27 | $2.5M | 282,950 | 34 d ago |
| Sep 7, 2026 | Ian T Lowitt Chief Executive Officer | FTax withholding Ordinary Shares | -36,587 | $78.27 | $2.9M | 2,835,472 | 34 d ago |
| Sep 7, 2026 | Simon Van Den Born President | FTax withholding Ordinary Shares | -13,215 | $78.27 | $1.0M | 1,485,619 | 34 d ago |
| Sep 7, 2026 | Paolo Tonucci See Remarks | FTax withholding Ordinary Shares | -18,293 | $78.27 | $1.4M | 1,286,237 | 34 d ago |
| Jun 9, 2026 | Georges Assi director | AGrant or award Ordinary Shares | +2,070 | $0.00 | $0 | 2,070 | Jun 11, 2026 |
| Jun 9, 2026 | Sarah Ing director | AGrant or award Ordinary Shares | +2,070 | $0.00 | $0 | 10,895 | Jun 11, 2026 |
| Jun 1, 2026 | Sarah Ing director | FTax withholding Ordinary Shares | -1,310 | $52.94 | $69k | 8,825 | Jun 2, 2026 |
| May 22, 2026 | Rob Irvin Chief Financial Officer | FTax withholding Ordinary Shares | -3,358 | $54.45 | $183k | 34,746 | May 27, 2026 |
Insiders
Everyone who has filed a Form 4 here.
- Georges Assidirector
- Sarah Ingdirector
- Rob IrvinChief Financial Officer
- Nilesh JethwaCEO, Marex Solutions
- Ian T LowittChief Executive Officer
- Paolo TonucciSee Remarks
- Simon Van Den BornPresident
Questions about MRX
Answered from the filings on this page, as of the latest one.
Are insiders buying MRX?
As of Sep 16, 2026, SEC Form 4 filings show 0 open-market buys worth $0 by 0 insiders and 2 open-market sells worth $2.3M by 2 insiders at Marex Group plc in the last 90 days, net -$2.3M. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.
Who was the last insider to trade MRX on the open market?
Simon Van Den Born (President) sold $1.1M of MRX on Sep 14, 2026 and filed the Form 4 on Sep 16, 2026. InsiderTell scored 33 (weak), under a 10b5-1 plan, with 2 insiders on the same side within 14 days.
How many insiders file Form 4 at Marex Group plc?
7 people have filed a Form 4 at Marex Group plc, among them Georges Assi (director), Sarah Ing (director), Rob Irvin (Chief Financial Officer). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.