SEC Insider Transactions from Lyon Charles M.

Last updated: 2026-03-14 11:48 UTC | Total transactions: 51

Lyon Charles M, President of StoneX Group Inc. ($SNEX), sold shares on the open market three times in the last 365 days, totaling $6.4 million. His most recent sale occurred on February 9, 2026. These sales rank 1,619th among 11,678 individual insiders by value, below the average of $8.6 million per seller and 6.37 transactions. He 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
Feb. 9, 2026 StoneX Group Inc. $SNEX Lyon Charles M President M Stock Options 45000 $0.00 337,500.0000 53,654,586 11.76% 0.08%
Feb. 9, 2026 StoneX Group Inc. $SNEX Lyon Charles M President S Common Stock 30000 $124.78 150,330.0000 53,654,586 16.64% 0.06%
Feb. 9, 2026 StoneX Group Inc. $SNEX Lyon Charles M President M Common Stock 45000 $20.00 180,330.0000 53,654,586 33.25% 0.08%
Dec. 15, 2025 StoneX Group Inc. $SNEX Lyon Charles M President A Restricted Shares of Common Stock 13400 $0.00 135,330.0000 52,243,891 10.99% 0.03%
May 19, 2025 StoneX Group Inc. $SNEX Lyon Charles M President G Common Stock 150 $0.00 121,930.0000 48,667,158 0.12% 0.00%
May 15, 2025 StoneX Group Inc. $SNEX Lyon Charles M President S Common Stock 13000 $86.92 122,080.0000 48,667,158 9.62% 0.03%
May 14, 2025 StoneX Group Inc. $SNEX Lyon Charles M President M Stock Options 32000 $0.00 395,500.0000 48,667,158 7.49% 0.07%
May 15, 2025 StoneX Group Inc. $SNEX Lyon Charles M President M Stock Options 13000 $0.00 382,500.0000 48,667,158 3.29% 0.03%
May 14, 2025 StoneX Group Inc. $SNEX Lyon Charles M President M Common Stock 32000 $20.00 139,080.0000 48,667,158 29.88% 0.07%
May 14, 2025 StoneX Group Inc. $SNEX Lyon Charles M President S Common Stock 17000 $87.92 122,080.0000 48,667,158 12.22% 0.03%
May 15, 2025 StoneX Group Inc. $SNEX Lyon Charles M President M Common Stock 13000 $20.00 135,080.0000 48,667,158 10.65% 0.03%
Dec. 17, 2024 StoneX Group Inc. $SNEX Lyon Charles M President G Common Stock 100 $0.00 71,387.0000 47,437,543 0.14% 0.00%
Dec. 16, 2024 StoneX Group Inc. $SNEX Lyon Charles M President G Common Stock 500 $0.00 71,487.0000 47,437,543 0.69% 0.00%
Dec. 13, 2024 StoneX Group Inc. $SNEX Lyon Charles M President A Restricted Shares of Common Stock 10430 $0.00 71,987.0000 47,437,543 16.94% 0.02%
May 17, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other M Stock Options 5621 $0.00 289,016.0000 46,393,516 1.91% 0.01%
May 20, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other M Stock Options 4016 $0.00 285,000.0000 46,393,516 1.39% 0.01%
May 17, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other S Common Stock 5621 $75.54 61,557.0000 46,393,516 8.37% 0.01%
May 20, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other M Common Stock 4016 $30.00 65,573.0000 46,393,516 6.52% 0.01%
May 20, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other S Common Stock 4016 $74.02 61,557.0000 46,393,516 6.12% 0.01%
May 17, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other M Common Stock 5621 $30.00 67,178.0000 46,393,516 9.13% 0.01%
March 12, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other S Common Stock 6787 $67.52 61,557.0000 46,393,516 9.93% 0.01%
March 12, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other M Common Stock 6787 $30.00 68,344.0000 46,393,516 11.03% 0.01%
March 12, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other M Stock Options 6787 $0.00 294,637.0000 46,393,516 2.25% 0.01%
March 8, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other M Stock Options 10338 $0.00 309,282.0000 46,393,516 3.23% 0.02%
March 11, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other M Stock Options 7858 $0.00 301,424.0000 46,393,516 2.54% 0.02%
March 8, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other S Common Stock 10338 $68.53 61,557.0000 46,393,516 14.38% 0.02%
March 8, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other M Common Stock 10338 $30.00 71,895.0000 46,393,516 16.79% 0.02%
March 11, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other M Common Stock 7858 $30.00 69,415.0000 46,393,516 12.77% 0.02%
March 11, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other S Common Stock 7858 $68.11 61,557.0000 46,393,516 11.32% 0.02%
March 6, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other M Common Stock 9178 $30.00 70,735.0000 46,393,516 14.91% 0.02%
March 6, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other S Common Stock 9178 $68.22 61,557.0000 46,393,516 12.98% 0.02%
March 7, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other M Common Stock 6998 $30.00 68,555.0000 46,393,516 11.37% 0.02%
March 7, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other S Common Stock 6998 $68.59 61,557.0000 46,393,516 10.21% 0.02%
March 6, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other M Stock Options 9178 $0.00 326,618.0000 46,393,516 2.73% 0.02%
March 7, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other M Stock Options 6998 $0.00 319,620.0000 46,393,516 2.14% 0.02%
March 4, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other M Stock Options 4852 $0.00 350,937.0000 46,393,516 1.36% 0.01%
March 5, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other M Stock Options 15141 $0.00 335,796.0000 46,393,516 4.31% 0.03%
March 5, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other S Common Stock 15141 $68.68 61,557.0000 46,393,516 19.74% 0.03%
March 5, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other M Common Stock 15141 $30.00 76,698.0000 46,393,516 24.60% 0.03%
March 4, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other S Common Stock 4852 $68.62 61,557.0000 46,393,516 7.31% 0.01%
March 4, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other M Common Stock 4852 $30.00 66,409.0000 46,393,516 7.88% 0.01%
Feb. 12, 0024 StoneX Group Inc. $SNEX Lyon Charles M Other M Stock Options 3659 $0.00 371,341.0000 0 0.98% 0.00%
Feb. 13, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other M Stock Options 15552 $0.00 355,789.0000 46,393,516 4.19% 0.03%
Feb. 12, 0024 StoneX Group Inc. $SNEX Lyon Charles M Other M Common Stock 3659 $30.00 65,216.0000 0 5.94% 0.00%
Feb. 12, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other S Common Stock 3659 $67.29 61,557.0000 46,393,516 5.61% 0.01%
Feb. 13, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other M Common Stock 15552 $30.00 77,109.0000 46,393,516 25.26% 0.03%
Feb. 13, 2024 StoneX Group Inc. $SNEX Lyon Charles M Other S Common Stock 15552 $65.11 61,557.0000 46,393,516 20.17% 0.03%
Dec. 15, 2023 StoneX Group Inc. $SNEX Lyon Charles M Other A Restricted Shares of Common Stock 14261 $0.00 61,557.0000 46,393,516 30.15% 0.03%
Dec. 5, 2023 StoneX Group Inc. $SNEX Lyon Charles M Other A Stock Options 225000 $64.25 375,000.0000 46,393,516 150.00% 0.48%
Sept. 14, 2023 StoneX Group Inc. $SNEX Lyon Charles M Other S Common Stock 7631 $93.09 33,900.0000 0 18.37% 0.00%
Sept. 15, 2023 StoneX Group Inc. $SNEX Lyon Charles M Other S Common Stock 2369 $93.08 31,531.0000 0 6.99% 0.00%