Company · CIK 0000913760 · SIC 6200 — Security & Commodity Brokers, Dealers, Exchanges & Services · Nasdaq
StoneX Group Inc. · SNEX
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 14, 2026 SForm 4 → | Sep 16, 6:01 pm EDT | Diego RotsztainChief Governance/Legal Officer | 50,625 | $68.15 | $3,450,067 | 34,870 | −59.2% | 10b5-1 |
| Sep 14, 2026 MForm 4 → | Sep 16, 6:01 pm EDT | Diego RotsztainChief Governance/Legal Officer | 50,625 | $12.26 | $620,663 | 85,495 | — | 10b5-1 |
| Sep 14, 2026 SForm 4 → | Sep 16, 4:09 pm EDT | Abigail H PerkinsChief Information Officer | 8,924 | $68.83 | $614,218 | 87,739 | −9.23% | 10b5-1 |
| Sep 14, 2026 SForm 4 → | Sep 15, 9:41 pm EDT | Mark Lowry MaurerOther | 103,092 | $67.94 | $7,004,494 | 203,244 | −33.7% | 10b5-1 |
| Sep 14, 2026 MForm 4 → | Sep 15, 9:41 pm EDT | Mark Lowry MaurerOther | 69,372 | $8.90 | $617,411 | 306,336 | — | 10b5-1 |
| Sep 10, 2026 GForm 4 → | Sep 11, 7:59 am EDT | Charles M LyonPresident | 500 | — | — | 324,242 | — | |
| Aug 14, 2026 SForm 4 → | Aug 17, 8:28 pm EDT | William J DunawayChief Financial Officer | 96,490 | $66.35 | $6,401,803 | 502,203 | −16.1% | 10b5-1 |
| Aug 14, 2026 MForm 4 → | Aug 17, 8:28 pm EDT | William J DunawayChief Financial Officer | 126,562 | $8.90 | $1,126,402 | 598,693 | — | 10b5-1 |
| Aug 10, 2026 SForm 4 → | Aug 11, 7:59 pm EDT | Abigail H PerkinsChief Information Officer | 4,500 | $64.81 | $291,662 | 96,663 | −4.45% | 10b5-1 |
| Aug 10, 2026 MForm 4 → | Aug 11, 7:59 pm EDT | Abigail H PerkinsChief Information Officer | 4,500 | $12.26 | $55,170 | 101,163 | — | 10b5-1 |
| Aug 10, 2026 PForm 4 → | Aug 11, 4:28 pm EDT | Dhamu R. ThamodaranDirector | 2,500 | $64.48 | $161,206 | 75,760 | +3.41% | |
| Aug 7, 2026 SForm 4 → | Aug 11, 4:19 pm EDT | Mark Lowry MaurerOther | 52,648 | $66.25 | $3,487,935 | 236,964 | −18.2% | 10b5-1 |
| Aug 7, 2026 MForm 4 → | Aug 11, 4:19 pm EDT | Mark Lowry MaurerOther | 69,372 | $8.90 | $617,411 | 289,612 | — | 10b5-1 |
| Aug 5, 2026 SForm 4 → | Aug 6, 4:45 pm EDT | John Moore FowlerDirector | 1,575 | $75.41 | $118,771 | 255,271 | −0.61% | 10b5-1 |
| Jul 31, 2026 AFForm 4/A → | Aug 5, 8:00 pm EDT | John Moore FowlerDirector | 371 | $77.62 | $15,291 | 256,846 | — | |
| Jul 31, 2026 AForm 4 → | Aug 5, 6:06 am EDT | Diane L. CooperDirector | 116 | — | — | 56,102 | — | late |
| Jul 31, 2026 AForm 4 → | Aug 5, 6:06 am EDT | John RadziwillChairman of the Board, Director | 219 | — | — | 231,850 | — | late |
| Jul 31, 2026 AForm 4 → | Aug 3, 8:06 pm EDT | Dhamu R. ThamodaranDirector | 142 | — | — | 5,648 | — | |
| Jul 31, 2026 AFForm 4 → | Aug 3, 8:05 pm EDT | John Moore FowlerDirector | 404 | $77.62 | $17,853 | 256,813 | — | amended |
| Jul 31, 2026 AForm 4 → | Aug 3, 8:04 pm EDT | Steven A KassDirector | 174 | — | — | 80,073 | — | |
| Jul 24, 2026 SForm 4 → | Jul 27, 7:29 pm EDT | Diego RotsztainChief Governance/Legal Officer | 20,630 | $74.40 | $1,534,886 | 34,870 | −37.2% | 10b5-1 |
| Jul 22, 2026 SForm 4 → | Jul 23, 8:31 pm EDT | Diego RotsztainChief Governance/Legal Officer | 29,995 | $74.32 | $2,229,282 | 55,500 | −35.1% | 10b5-1 |
| Jul 22, 2026 MForm 4 → | Jul 23, 8:31 pm EDT | Diego RotsztainChief Governance/Legal Officer | 50,625 | $12.26 | $620,663 | 85,495 | — | 10b5-1 |
| Jul 22, 2026 SForm 4 → | Jul 23, 8:30 pm EDT | Sean Michael OconnorExecutive Vice-Chairman-Board, Director | 104,934 | $74.33 | $7,799,776 | 1,750,447 | −5.66% | 10b5-1 |
| Jul 22, 2026 MForm 4 → | Jul 23, 8:30 pm EDT | Sean Michael OconnorExecutive Vice-Chairman-Board, Director | 225,000 | $8.90 | $2,002,500 | 1,855,381 | — | 10b5-1 |
| Jul 22, 2026 SForm 4 → | Jul 23, 8:30 pm EDT | William J DunawayChief Financial Officer | 95,970 | $74.33 | $7,133,325 | 472,131 | −16.9% | 10b5-1 |
| Jul 22, 2026 MForm 4 → | Jul 23, 8:30 pm EDT | William J DunawayChief Financial Officer | 126,563 | $8.90 | $1,126,411 | 568,101 | — | 10b5-1 |
| Jul 22, 2026 SForm 4 → | Jul 23, 8:29 pm EDT | Philip Andrew SmithChief Executive Officer, Director | 45,000 | $74.32 | $3,344,481 | 738,216 | −5.75% | 10b5-1 |
| Jul 22, 2026 MForm 4 → | Jul 23, 8:29 pm EDT | Philip Andrew SmithChief Executive Officer, Director | 45,000 | $8.90 | $400,500 | 783,216 | — | 10b5-1 |
| Jul 22, 2026 SForm 4 → | Jul 23, 8:29 pm EDT | Mark Lowry MaurerOther | 52,376 | $74.32 | $3,892,679 | 220,240 | −19.2% | 10b5-1 |
| Jul 22, 2026 MForm 4 → | Jul 23, 8:29 pm EDT | Mark Lowry MaurerOther | 69,372 | $8.90 | $617,411 | 272,616 | — | 10b5-1 |
| Jul 20, 2026 SForm 4 → | Jul 21, 8:17 pm EDT | Abigail H PerkinsChief Information Officer | 8,919 | $70.43 | $628,147 | 96,663 | −8.45% | 10b5-1 |
| Jul 15, 2026 SForm 4 → | Jul 16, 9:57 pm EDT | Annabelle G BexigaDirector | 1,500 | $113.92 | $170,880 | 18,688 | −7.43% | 10b5-1 |
| Jun 30, 2026 MForm 4 → | Jul 1, 6:48 pm EDT | Philip Andrew SmithChief Executive Officer, Director | 37,500 | $13.34 | $500,250 | 529,644 | — | 10b5-1 |
| Jun 30, 2026 SForm 4 → | Jul 1, 6:48 pm EDT | Philip Andrew SmithChief Executive Officer, Director | 51,540 | $118.72 | $6,119,075 | 492,144 | −9.48% | 10b5-1 |
| Jun 15, 2026 SForm 4 → | Jun 17, 4:55 pm EDT | Mark Lowry MaurerOther | 46,248 | $134.89 | $6,238,422 | 135,496 | −25.4% | 10b5-1 |
| Jun 15, 2026 MForm 4 → | Jun 17, 4:55 pm EDT | Mark Lowry MaurerOther | 46,248 | $13.34 | $616,948 | 181,744 | — | 10b5-1 |
| Jun 15, 2026 SForm 4 → | Jun 16, 4:31 pm EDT | Annabelle G BexigaDirector | 1,500 | $133.36 | $200,040 | 20,188 | −6.92% | 10b5-1 |
| Jun 15, 2026 GForm 4 → | Jun 15, 7:30 pm EDT | Abigail H PerkinsChief Information Officer | 2,000 | — | — | 70,388 | — | |
| Jun 12, 2026 SForm 4 → | Jun 16, 4:35 pm EDT | Charles M LyonPresident | 9,000 | $131.96 | $1,187,640 | 216,495 | −3.99% | |
| Jun 12, 2026 SForm 4 → | Jun 16, 4:32 pm EDT | Sean Michael OconnorExecutive Vice-Chairman-Board, Director | 150,000 | $133.29 | $19,993,050 | 1,086,921 | −12.1% | |
| Jun 12, 2026 SForm 4 → | Jun 15, 7:43 pm EDT | William J DunawayChief Financial Officer | 63,602 | $131.16 | $8,342,013 | 294,359 | −17.8% | 10b5-1 |
| Jun 12, 2026 MForm 4 → | Jun 15, 7:43 pm EDT | William J DunawayChief Financial Officer | 84,375 | $13.34 | $1,125,563 | 357,961 | — | 10b5-1 |
| Jun 8, 2026 SForm 4 → | Jun 9, 8:22 pm EDT | Abigail H PerkinsChief Information Officer | 4,312 | $118.51 | $511,025 | 72,388 | −5.62% | 10b5-1 |
| Jun 8, 2026 MForm 4 → | Jun 9, 8:22 pm EDT | Abigail H PerkinsChief Information Officer | 4,312 | $18.39 | $79,298 | 76,700 | — | 10b5-1 |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 14, 2026 MForm 4 → | Sep 16, 6:01 pm EDT | Diego RotsztainChief Governance/Legal Officer | 50,625 | — | — | 506,250 | — | 10b5-1 |
| Sep 14, 2026 MForm 4 → | Sep 15, 9:41 pm EDT | Mark Lowry MaurerOther | 69,372 | — | — | 575,622 | — | 10b5-1 |
| Aug 14, 2026 MForm 4 → | Aug 17, 8:28 pm EDT | William J DunawayChief Financial Officer | 126,562 | — | — | 506,250 | — | 10b5-1 |
| Aug 10, 2026 MForm 4 → | Aug 11, 7:59 pm EDT | Abigail H PerkinsChief Information Officer | 4,500 | — | — | 515,250 | — | 10b5-1 |
| Aug 7, 2026 MForm 4 → | Aug 11, 4:19 pm EDT | Mark Lowry MaurerOther | 69,372 | — | — | 644,994 | — | 10b5-1 |
| Jul 22, 2026 MForm 4 → | Jul 23, 8:31 pm EDT | Diego RotsztainChief Governance/Legal Officer | 50,625 | — | — | 556,875 | — | 10b5-1 |
| Jul 22, 2026 MForm 4 → | Jul 23, 8:30 pm EDT | Sean Michael OconnorExecutive Vice-Chairman-Board, Director | 225,000 | — | — | 1,676,250 | — | 10b5-1 |
| Jul 22, 2026 MForm 4 → | Jul 23, 8:30 pm EDT | William J DunawayChief Financial Officer | 126,563 | — | — | 632,812 | — | 10b5-1 |
| Jul 22, 2026 MForm 4 → | Jul 23, 8:29 pm EDT | Philip Andrew SmithChief Executive Officer, Director | 45,000 | — | — | 916,875 | — | 10b5-1 |
| Jul 22, 2026 MForm 4 → | Jul 23, 8:29 pm EDT | Mark Lowry MaurerOther | 69,372 | — | — | 714,366 | — | 10b5-1 |
| Jun 30, 2026 MForm 4 → | Jul 1, 6:48 pm EDT | Philip Andrew SmithChief Executive Officer, Director | 37,500 | — | — | 641,250 | — | 10b5-1 |
| Jun 15, 2026 MForm 4 → | Jun 17, 4:55 pm EDT | Mark Lowry MaurerOther | 46,248 | — | — | 522,492 | — | 10b5-1 |
| Jun 12, 2026 MForm 4 → | Jun 15, 7:43 pm EDT | William J DunawayChief Financial Officer | 84,375 | — | — | 506,250 | — | 10b5-1 |
| Jun 8, 2026 MForm 4 → | Jun 9, 8:22 pm EDT | Abigail H PerkinsChief Information Officer | 4,312 | — | — | 346,500 | — | 10b5-1 |