On May 19, 2026, three insiders at StoneX Group Inc. (SNEX) sold shares totaling approximately $33.17 million. Sean Michael Oconnor, Executive Vice-Chairman of the Board, was involved in multiple transactions, selling a combined total of 299,900 shares for roughly $33.17 million.

These sales occurred at prices ranging from $109.94 to $111.46 per share. While insider sales can be attributed to various factors such as diversification or tax planning, a series of sales by multiple executives may attract market attention.

The disclosed transactions add to recent insider selling activity within StoneX Group Inc. In addition to Mr. Oconnor's sales, Annabelle G. Bexiga and William J. Dunaway also sold shares in the preceding week.