Form4insider filings, from the source

Company · CIK 0000913760 · SIC 6200 — Security & Commodity Brokers, Dealers, Exchanges & Services · Nasdaq

StoneX Group Inc. · SNEX

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $11.1M · 3net −$11.1M
$10k$10k$1M$1M$100M$100MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 18Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 14, 2026 SForm 4 →Sep 16, 6:01 pm EDTDiego RotsztainChief Governance/Legal Officer50,625$68.15$3,450,06734,870−59.2%10b5-1
Sep 14, 2026 MForm 4 →Sep 16, 6:01 pm EDTDiego RotsztainChief Governance/Legal Officer50,625$12.26$620,66385,495—10b5-1
Sep 14, 2026 SForm 4 →Sep 16, 4:09 pm EDTAbigail H PerkinsChief Information Officer8,924$68.83$614,21887,739−9.23%10b5-1
Sep 14, 2026 SForm 4 →Sep 15, 9:41 pm EDTMark Lowry MaurerOther103,092$67.94$7,004,494203,244−33.7%10b5-1
Sep 14, 2026 MForm 4 →Sep 15, 9:41 pm EDTMark Lowry MaurerOther69,372$8.90$617,411306,336—10b5-1
Sep 10, 2026 GForm 4 →Sep 11, 7:59 am EDTCharles M LyonPresident500——324,242—

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

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 14, 2026 MForm 4 →Sep 16, 6:01 pm EDTDiego RotsztainChief Governance/Legal Officer50,625——506,250—10b5-1
Sep 14, 2026 MForm 4 →Sep 15, 9:41 pm EDTMark Lowry MaurerOther69,372——575,622—10b5-1