Marex Group plc Ordinary Shares (MRX) Insider Trading
Over the last 3 months, MRX insiders made 0 open-market buys and 15 sales, a net sale of -$4.5M (SEC Form 4). Over the last 6 months, 175 institutions increased and 124 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
15
Net (3m)
-$4.5M
Insider trades by month Buys Sells
Dec
May
Aug
Apr
May
Jun
Context3-month price +35%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 3, 2026 | Texier Thomasofficer: Group Head of Clearing | Sell | 269 | $53.98 |
| Jun 3, 2026 | Texier Thomasofficer: Group Head of Clearing | Sell | 1,303 | $53.22 |
| Jun 2, 2026 | Ing Sarahdirector | Tax | 1,310 | $52.94 |
| Jun 2, 2026 | Myers Linda Kristinedirector | Tax | 1,115 | $52.94 |
| Jun 2, 2026 | Pietrowicz John W.director | Tax | 558 | $52.94 |
| May 27, 2026 | Jethwa Nileshofficer: CEO, Marex Solutions | Tax | 39,661 | $54.45 |
| May 27, 2026 | Tonucci Paoloofficer: See Remarks | Tax | 31,080 | $54.45 |
| May 27, 2026 | Lowitt Ian Tdirector, officer: Chief Executive Officer | Tax | 39,478 | $54.45 |
| May 27, 2026 | Irvin Robdirector, officer: Chief Financial Officer | Tax | 3,358 | $54.45 |
| May 27, 2026 | Van Den Born Simonofficer: President | Tax | 43,712 | $54.45 |
| May 27, 2026 | Texier Thomasofficer: Group Head of Clearing | Tax | 19,640 | $54.45 |
| May 13, 2026 | Tonucci Paoloofficer: See Remarks | Sell | 10,934 | $55.72 |
| May 13, 2026 | Tonucci Paoloofficer: See Remarks | Sell | 5,734 | $56.31 |
| May 5, 2026 | Texier Thomasofficer: Group Head of Clearing | Sell | 11,821 | $52.87 |
| May 5, 2026 | Texier Thomasofficer: Group Head of Clearing | Sell | 2,606 | $53.53 |
| Apr 22, 2026 | Van Den Born Simonofficer: President | Sell | 12,624 | $50.92 |
| Apr 22, 2026 | Van Den Born Simonofficer: President | Sell | 641 | $51.71 |
| Apr 15, 2026 | Tonucci Paoloofficer: See Remarks | Sell | 4,077 | $52.36 |
| Apr 15, 2026 | Tonucci Paoloofficer: See Remarks | Sell | 5,829 | $51.56 |
| Apr 15, 2026 | Tonucci Paoloofficer: See Remarks | Sell | 6,760 | $50.60 |
| Apr 2, 2026 | Van Den Born Simonofficer: President | Sell | 4,554 | $43.97 |
| Apr 2, 2026 | Texier Thomasofficer: Group Head of Clearing | Sell | 4,838 | $43.97 |
| Apr 2, 2026 | Van Den Born Simonofficer: President | Sell | 8,710 | $43.27 |
| Apr 2, 2026 | Texier Thomasofficer: Group Head of Clearing | Sell | 9,589 | $43.28 |
| Aug 27, 2012 | PIETRANGELO MICHAELdirector | Option | 21,000 | $20.44 |
| Aug 27, 2012 | PIETRANGELO MICHAELdirector | Sell | 21,000 | $32.17 |
| Aug 17, 2012 | PETERSON RICHARD Dofficer: EVP, CFO & Corp Treasurer | Sell | 11,000 | $32.87 |
| May 17, 2012 | PIETRANGELO MICHAELdirector | Grant | 2,311 | — |
| May 17, 2012 | PIETRANGELO MICHAELdirector | Grant | 7,743 | $37.85 |
| May 17, 2012 | ALTSCHUL ARTHUR G JRdirector | Grant | 7,743 | $37.85 |
Source: MRX SEC Form 4 filings, latest Jun 3, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their MRX positions over the last 6 months (SEC Form 13F).
Increased
175
New positions
68
Reduced
124
Sold out
64
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 4.4M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 4.0M | Feb 12, 2026 |
| CAPITAL INTERNATIONAL INVESTORS | Unchanged | 3.5M | May 13, 2026 |
| CAPITAL INTERNATIONAL INVESTORS | Unchanged | 3.5M | Feb 11, 2026 |
| FMR LLC | Increased | 3.5M | May 15, 2026 |
| LOOMIS SAYLES & CO L P | Increased | 1.9M | Feb 12, 2026 |
| LOOMIS SAYLES & CO L P | Reduced | 1.9M | May 14, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 1.9M | May 15, 2026 |
| GRANDEUR PEAK GLOBAL ADVISORS, LLC | Increased | 1.8M | Feb 13, 2026 |
| ALLIANCEBERNSTEIN L.P. | Increased | 1.8M | Feb 17, 2026 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | Increased | 1.7M | Feb 9, 2026 |
| ALLIANCEBERNSTEIN L.P. | Reduced | 1.7M | May 15, 2026 |
| SAMLYN CAPITAL, LLC | Increased | 1.7M | May 15, 2026 |
| TWO SIGMA INVESTMENTS, LP | Increased | 1.7M | May 15, 2026 |
| JENNISON ASSOCIATES LLC | Increased | 1.6M | May 6, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.