• StoneX Group Inc. Chief Governance/Legal Officer Diego Rotsztain sold 33,750 shares in transactions dated May 18 and May 20.
• Sales totaled 33,750 shares at average prices of USD 111.48 and USD 112.79.
• He exercised stock options for 33,750 shares at USD 18.39 on May 18.
• Rotsztain held 23,247 shares following the transactions.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. StoneX Group Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001511110-26-000003), on May 20, 2026, and is solely responsible for the information contained therein.