Marex Group plc (MRX): insider trading, Congress trades & who owns it

Insider signal
30/100
Insider selling · 90 days
Insider buys
$0
0 buyers · 12 months
Insider sales
$14.9M
5 sellers · 12 months
Funds holding
213
13F · Q2 2026
Congress trades
None
none in 2 years

Marex Group plc company insiders have only been selling lately: five insiders sold about $14.9 million of stock over 12 months, with no open-market purchases.

Selling on its own is common and often pre-planned (10b5-1 plans, taxes, diversification), so it matters more when it is unusually heavy or broad.

Zooming out by quarter: 2 quarters in a row of net selling by insiders. Insiders bought in 0 of the last 7 full quarters. On the institutional side, 213 funds reported holding MRX at the end of Q2 2026, and more funds bought than sold.

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Latest insider trades in MRX

FiledInsiderRoleTypeSharesPriceValueSource
Sep 16, 2026Tonucci PaoloOfficerSell13,714$70.77$971KSEC
Sep 16, 2026Tonucci PaoloOfficerSell2,952$71.35$211KSEC
Sep 16, 2026Van Den Born SimonPresidentSell12,616$70.77$893KSEC
Sep 16, 2026Van Den Born SimonPresidentSell2,655$71.36$189KSEC
Aug 18, 2026Irvin RobCFOSell3,500$70.91$248KSEC
Aug 18, 2026Irvin RobCFOSell200$71.87$14KSEC
Aug 12, 2026Tonucci PaoloOfficerSell3,963$61.62$244KSEC
Aug 12, 2026Tonucci PaoloOfficerSell12,250$60.64$743KSEC
Aug 12, 2026Tonucci PaoloOfficerSell455$62.22$28KSEC
Jul 15, 2026Tonucci PaoloOfficerSell232$65.73$15KSEC
Jul 15, 2026Tonucci PaoloOfficerSell4,584$64.85$297KSEC
Jul 15, 2026Tonucci PaoloOfficerSell11,850$64.22$761KSEC
Jul 15, 2026Lowitt Ian TCEOSell8,957$64.90$581KSEC
Jul 15, 2026Lowitt Ian TCEOSell27,398$64.19$1.8MSEC
Jul 15, 2026Lowitt Ian TCEOSell787$65.84$52KSEC

Questions about MRX

Are insiders buying or selling MRX stock?

In the last 12 months Marex Group plc insiders made open-market purchases worth about $0 and sales worth about $14.9 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.

When was the last insider trade in MRX?

The most recent open-market insider trade in MRX was filed on 2026-09-16.

How many institutions own MRX?

213 investment managers reported holding MRX in SEC Form 13F filings for Q2 2026.

Has any member of Congress traded MRX?

No congressional trades in MRX were reported in the past two years. The full list is free on CapitalSnitch.

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Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).