Form4insider filings, from the source

Company · CIK 0001997464 · SIC 6200 — Security & Commodity Brokers, Dealers, Exchanges & Services · Nasdaq

Marex Group Ltd · MRX

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $10.4M · 9net −$10.4M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesMay 31Jun 17Jul 5Jul 23Aug 10Aug 28Sep 15

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 14, 2026 SForm 4 →Sep 16, 4:05 pm EDTPaolo TonucciSee Remarks16,666$70.87$1,181,1671,269,571−1.30%10b5-1
Sep 14, 2026 SForm 4 →Sep 16, 4:05 pm EDTSimon Van Den BornPresident15,271$70.87$1,082,2771,470,348−1.03%10b5-1
Sep 7, 2026 FForm 4 →Sep 9, 4:05 pm EDTPaolo TonucciSee Remarks18,293$78.27$1,431,7931,286,237—
Sep 7, 2026 FForm 4 →Sep 9, 4:05 pm EDTSimon Van Den BornPresident13,215$78.27$1,034,3381,485,619—
Sep 7, 2026 FForm 4 →Sep 9, 4:05 pm EDTNilesh JethwaCEO, Marex Solutions31,567$78.27$2,470,749282,950—
Sep 7, 2026 FForm 4 →Sep 9, 4:05 pm EDTIan T LowittChief Executive Officer, Director36,587$78.27$2,863,6642,835,472—
Aug 19, 2026 AForm 4 →Aug 21, 4:05 pm EDTNilesh JethwaCEO, Marex Solutions67,163——314,517—
Aug 19, 2026 AForm 4 →Aug 21, 4:05 pm EDTPaolo TonucciSee Remarks38,921——1,304,530—
Aug 19, 2026 AForm 4 →Aug 21, 4:05 pm EDTSimon Van Den BornPresident33,582——1,498,834—
Aug 19, 2026 AForm 4 →Aug 21, 4:05 pm EDTIan T LowittChief Executive Officer, Director77,843——2,872,059—
Aug 14, 2026 SForm 4 →Aug 18, 4:05 pm EDTRob IrvinChief Financial Officer, Director3,700$70.96$262,54531,046−10.6%
Aug 10, 2026 SForm 4 →Aug 12, 4:05 pm EDTPaolo TonucciSee Remarks16,668$60.92$1,015,3471,265,609−1.30%10b5-1
Jul 13, 2026 SForm 4 →Jul 15, 4:05 pm EDTPaolo TonucciSee Remarks16,666$64.42$1,073,5781,282,277−1.28%10b5-1
Jul 13, 2026 SForm 4 →Jul 15, 4:05 pm EDTIan T LowittChief Executive Officer, Director37,142$64.39$2,391,7032,794,216−1.31%10b5-1
Jun 15, 2026 SForm 4 →Jun 16, 4:05 pm EDTPaolo TonucciSee Remarks16,666$62.45$1,040,8491,298,943−1.27%10b5-1
Jun 12, 2026 SForm 4 →Jun 16, 4:05 pm EDTIan T LowittChief Executive Officer, Director37,143$62.37$2,316,4982,831,358−1.29%10b5-1
Jun 9, 2026 AForm 4 →Jun 11, 4:05 pm EDTGeorges AssiDirector2,070——2,070—
Jun 9, 2026 AForm 4 →Jun 11, 4:05 pm EDTKonstantin Graf von SchweinitzDirector2,070——26,165—
Jun 9, 2026 AForm 4 →Jun 11, 4:05 pm EDTSarah IngDirector2,070——10,895—
Jun 9, 2026 AForm 4 →Jun 11, 4:05 pm EDTJohn W. PietrowiczDirector2,070——23,771—
Jun 9, 2026 AForm 4 →Jun 11, 4:05 pm EDTLinda Kristine MyersDirector2,070——23,214—
Jun 9, 2026 AForm 4 →Jun 11, 4:05 pm EDTRobert Mark PickeringDirector2,070——31,766—
Jun 1, 2026 SForm 4 →Jun 3, 9:30 pm EDTThomas TexierGroup Head of Clearing1,572$53.35$83,865207,019−0.75%10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.