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.
| 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% |