Updated Jul 16, 2026 · Last SEC filing 2026-07-15
Marex Group Ltd (MRX) has filed 23 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-15. 1 Form 8-K material event filings were reported by MRX in the last 90 days. 4 Form 144 notices of proposed sale were filed for MRX stock. InsiderAlpha tracks every MRX SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0001997464 |
|---|
| Form 4 filings (90d) | 23 |
|---|---|
| Form 8-K filings (90d) | 1 |
| Form 144 notices (90d) | 4 |
| Latest Form 4 filing | 2026-07-15 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Lowitt Ian T | Chief Executive Officer | S — Open-market sale [10b5-1] | 787 | $65.84 | $52K | SEC | |
| Tonucci Paolo | See Remarks | S — Open-market sale [10b5-1] | 11.8K | $64.22 | $761K | SEC | |
| Lowitt Ian T | Chief Executive Officer | S — Open-market sale [10b5-1] | 9.0K | $64.90 | $581K | SEC | |
| Tonucci Paolo | See Remarks | S — Open-market sale [10b5-1] | 4.6K | $64.85 | $297K | SEC | |
| Tonucci Paolo | See Remarks | S — Open-market sale [10b5-1] | 232 | $65.73 | $15K | SEC | |
| Lowitt Ian T | Chief Executive Officer | S — Open-market sale [10b5-1] | 27.4K | $64.19 | $1.76M | SEC | |
| Tonucci Paolo | See Remarks | S — Open-market sale | 14.2K | $62.51 | $888K | SEC | |
| Tonucci Paolo | See Remarks | S — Open-market sale | 809 | $63.00 | $51K | SEC | |
| Tonucci Paolo | See Remarks | S — Open-market sale | 1.7K | $61.74 | $102K | SEC | |
| Lowitt Ian T | Chief Executive Officer | S — Open-market sale | 32.8K | $62.29 | $2.04M | SEC | |
| Lowitt Ian T | Chief Executive Officer | S — Open-market sale | 4.3K | $62.94 | $273K | SEC | |
| Ing Sarah | Insider | A — Grant or award | 2.1K | $0.00 | — | SEC | |
| Schweinitz Konstantin Graf von | Insider | A — Grant or award | 2.1K | $0.00 | — | SEC | |
| Myers Linda Kristine | Insider | A — Grant or award | 2.1K | $0.00 | — | SEC | |
| Assi Georges | Insider | A — Grant or award | 2.1K | $0.00 | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Marex Group Ltd (MRX). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Tonucci Paolo | 9 | $4.74M |
| Lowitt Ian T | 6 | $6.86M |
| Texier Thomas | 5 | $1.92M |
| Van Den Born Simon | 3 | $3.06M |
| Myers Linda Kristine | 2 | $59K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in MRX insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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