SEC Insider Transactions from OCONNOR SEAN MICHAEL.

Last updated: 2026-04-02 21:09 UTC | Total transactions: 25

Sean Michael O'Connor, Executive Vice-Chairman of StoneX Group Inc. ($SNEX), sold shares on the open market six times in the last year, totaling $13.8 million. His most recent sale occurred on February 10, 2026. These sales rank 889th among 11,678 insiders, above the average of $8.6 million per seller and 6.37 transactions. O'Connor made no open market purchases during this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 31, 2026 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL Executive Vice-Chairman-Board F Common Stock 44269 $77.95 4,205,238.0000 53,654,586 1.04% 0.08%
Feb. 9, 2026 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL Executive Vice-Chairman-Board M Common Stock 40000 $20.00 2,873,005.0000 53,654,586 1.41% 0.07%
Feb. 10, 2026 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL Executive Vice-Chairman-Board M Common Stock 40000 $20.00 2,873,005.0000 53,654,586 1.41% 0.07%
Feb. 9, 2026 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL Executive Vice-Chairman-Board S Common Stock 40000 $124.95 2,833,005.0000 53,654,586 1.39% 0.07%
Feb. 10, 2026 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL Executive Vice-Chairman-Board M Stock Options 40000 $0.00 1,045,000.0000 53,654,586 3.69% 0.07%
Feb. 9, 2026 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL Executive Vice-Chairman-Board M Stock Options 40000 $0.00 1,085,000.0000 53,654,586 3.56% 0.07%
Feb. 10, 2026 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL Executive Vice-Chairman-Board S Common Stock 40000 $124.56 2,833,005.0000 53,654,586 1.39% 0.07%
Dec. 15, 2025 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL Executive Vice-Chairman-Board G Common Stock 540 $0.00 2,848,005.0000 52,243,891 0.02% 0.00%
Dec. 16, 2025 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL Executive Vice-Chairman-Board G Common Stock 15000 $0.00 2,833,005.0000 52,243,891 0.53% 0.03%
Aug. 19, 2025 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL Executive Vice-Chairman-Board S Common Stock 3000 $95.00 2,850,545.0000 52,164,564 0.11% 0.01%
Aug. 20, 2025 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL Executive Vice-Chairman-Board S Common Stock 2000 $96.50 2,848,545.0000 52,164,564 0.07% 0.00%
April 29, 2025 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL Executive Vice-Chairman-Board S Common Stock 34083 $89.63 2,856,962.0000 48,667,158 1.18% 0.07%
May 1, 2025 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL Executive Vice-Chairman-Board S Common Stock 3417 $90.57 2,853,545.0000 48,667,158 0.12% 0.01%
March 31, 2025 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL Executive Vice-Chairman-Board A Restricted Shares of Common Stock 300000 $0.00 1,057,167.0000 48,667,158 39.62% 0.62%
Dec. 13, 2024 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL Executive Vice-Chairman-Board A Restricted Shares of Common Stock 13234 $0.00 504,778.0000 47,437,543 2.69% 0.03%
Dec. 4, 2024 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL CEO/President G Common Stock 450 $0.00 1,729,130.0000 47,437,543 0.03% 0.00%
Dec. 6, 2024 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL CEO/President G Common Stock 15000 $0.00 1,714,130.0000 47,437,543 0.87% 0.03%
Nov. 25, 2024 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL CEO/President S Common Stock 20000 $103.75 1,729,580.0000 47,437,543 1.14% 0.04%
Nov. 22, 2024 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL CEO/President S Common Stock 20000 $100.14 1,749,580.0000 47,437,543 1.13% 0.04%
Nov. 6, 2024 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL CEO/President S Common Stock 37500 $98.42 1,769,580.0000 47,437,543 2.08% 0.08%
Dec. 5, 2023 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL CEO/President A Stock Options 300000 $64.25 600,000.0000 46,393,516 100.00% 0.65%
Dec. 21, 2023 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL CEO/President A Stock Options 150000 $71.35 750,000.0000 46,393,516 25.00% 0.32%
Dec. 15, 2023 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL CEO/President A Restricted Shares of Common Stock 20884 $0.00 544,494.0000 46,393,516 3.99% 0.05%
Dec. 8, 2023 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL CEO/President G Common Stock 500 $0.00 1,786,196.0000 46,393,516 0.03% 0.00%
Dec. 5, 2023 StoneX Group Inc. $SNEX OCONNOR SEAN MICHAEL CEO/President A Stock Options 450000 $64.25 750,000.0000 46,393,516 150.00% 0.97%