StoneX Group Inc. (SNEX) insider buying and SEC filings
StoneX Group Inc. · CIK 913760
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- Nasdaq
- Industry (SIC)
- Security & Commodity Brokers, Dealers, Exchanges & Services
- State of incorporation
- DE
- Fiscal year end
- Sep 30
- Former names
- INTL FCSTONE INC.; INTERNATIONAL ASSETS HOLDING CORP
Insider activity in the last 12 months
Bought
$258K
Insiders who bought
2
Sold (not marked 10b5-1)
$23.4M
Planned sales (10b5-1)
$136.8M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 15, 2026 | Planned (10b5-1) | Philip Andrew Smith (CEO and Director) sold 45,000 shares at $59.50 ($2.7M), marked as a 10b5-1 plan trade. Holdings down 6% to 738,216 shares. | SEC filing Filed Oct 15, 2026, 7:06 PM ET |
| Oct 12, 2026 | Planned (10b5-1) | Mark Lowry Maurer (Chief Risk Officer) sold 52,953 shares at $60.35 ($3.2M), marked as a 10b5-1 plan trade. Holdings down 19% to 219,663 shares. | SEC filing Filed Oct 14, 2026, 8:00 PM ET |
| Oct 12, 2026 | Planned (10b5-1) | Sean Michael Oconnor (Director and Executive Vice-Chairman-Board) sold 76,148 shares at $60.35 ($4.6M), marked as a 10b5-1 plan trade. Holdings down 4% to 1,831,799 shares. | SEC filing Filed Oct 13, 2026, 7:06 PM ET |
| Sep 28, 2026 | Planned (10b5-1) | Philip Andrew Smith (CEO and Director) sold 56,250 shares at $65.69 ($3.7M), marked as a 10b5-1 plan trade. Holdings down 7% to 738,216 shares. | SEC filing Filed Sep 29, 2026 |
| Sep 14, 2026 | Planned (10b5-1) | Abigail H Perkins (Chief Information Officer) sold 8,924 shares at $68.83 ($614K), marked as a 10b5-1 plan trade. Holdings down 9% to 87,739 shares. | SEC filing Filed Sep 16, 2026 |
| Sep 14–16, 2026 | Planned (10b5-1) | Diego Rotsztain (Chief Governance/Legal Officer) sold 50,625 shares between Sep 14 and Sep 16 at about $68.15 ($3.5M), marked as a 10b5-1 plan trade. Holdings down 59% to 34,870 shares. | SEC filing Filed Sep 16, 2026 |
| Sep 14–15, 2026 | Planned (10b5-1) | Mark Lowry Maurer (Chief Risk Officer) sold 103,092 shares between Sep 14 and Sep 15 at about $67.94 ($7.0M), marked as a 10b5-1 plan trade. Holdings down 34% to 203,244 shares. | SEC filing Filed Sep 15, 2026 |
| Aug 14, 2026 | Planned (10b5-1) | William J Dunaway (CFO) sold 96,490 shares at $66.35 ($6.4M), marked as a 10b5-1 plan trade. Holdings down 16% to 502,203 shares. | SEC filing Filed Aug 17, 2026 |
| Aug 10, 2026 | Planned (10b5-1) | Abigail H Perkins (Chief Information Officer) sold 4,500 shares at $64.81 ($292K), marked as a 10b5-1 plan trade. Holdings down 4% to 96,663 shares. | SEC filing Filed Aug 11, 2026 |
| Aug 10, 2026 | Purchase (code P) | Dhamu R. Thamodaran (Director) bought 2,500 shares indirectly (by trust) at $64.48 ($161K), reported as a purchase (code P). Holdings by trust up 3% to 75,760 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 11, 2026 |
| Aug 7, 2026 | Planned (10b5-1) | Mark Lowry Maurer (Chief Risk Officer) sold 52,648 shares at $66.25 ($3.5M), marked as a 10b5-1 plan trade. Holdings down 18% to 236,964 shares. | SEC filing Filed Aug 11, 2026 |
| Aug 5, 2026 | Planned (10b5-1) | John Moore Fowler (Director) sold 1,575 shares at $75.41 ($119K), marked as a 10b5-1 plan trade. Holdings down 1% to 255,271 shares. | SEC filing Filed Aug 6, 2026 |
| Jul 24, 2026 | Planned (10b5-1) | Diego Rotsztain (Chief Governance/Legal Officer) sold 20,630 shares at $74.40 ($1.5M), marked as a 10b5-1 plan trade. Holdings down 37% to 34,870 shares. | SEC filing Filed Jul 27, 2026 |
| Jul 22, 2026 | Planned (10b5-1) | Mark Lowry Maurer (Chief Risk Officer) sold 52,376 shares at $74.32 ($3.9M), marked as a 10b5-1 plan trade. Holdings down 19% to 220,240 shares. | SEC filing Filed Jul 23, 2026 |
| Jul 22, 2026 | Planned (10b5-1) | Philip Andrew Smith (CEO and Director) sold 45,000 shares at $74.32 ($3.3M), marked as a 10b5-1 plan trade. Holdings down 6% to 738,216 shares. | SEC filing Filed Jul 23, 2026 |
| Jul 22, 2026 | Planned (10b5-1) | Diego Rotsztain (Chief Governance/Legal Officer) sold 29,995 shares at $74.32 ($2.2M), marked as a 10b5-1 plan trade. Holdings down 35% to 55,500 shares. | SEC filing Filed Jul 23, 2026 |
| Jul 22, 2026 | Planned (10b5-1) | William J Dunaway (CFO) sold 95,970 shares at $74.33 ($7.1M), marked as a 10b5-1 plan trade. Holdings down 17% to 472,131 shares. | SEC filing Filed Jul 23, 2026 |
| Jul 22, 2026 | Planned (10b5-1) | Sean Michael Oconnor (Director and Executive Vice-Chairman-Board) sold 104,934 shares at $74.33 ($7.8M), marked as a 10b5-1 plan trade. Holdings down 6% to 1,750,447 shares. | SEC filing Filed Jul 23, 2026 |
| Jul 20, 2026 | Planned (10b5-1) | Abigail H Perkins (Chief Information Officer) sold 8,919 shares at $70.43 ($628K), marked as a 10b5-1 plan trade. Holdings down 8% to 96,663 shares. | SEC filing Filed Jul 21, 2026 |
| Jul 15, 2026 | Planned (10b5-1) | Annabelle G. Bexiga (Director) sold 1,500 shares at $113.92 ($171K), marked as a 10b5-1 plan trade. Holdings down 7% to 18,688 shares. | SEC filing Filed Jul 16, 2026 |
| Jun 30, 2026 | Planned (10b5-1) | Philip Andrew Smith (CEO and Director) sold 51,540 shares at about $118.73 ($6.1M), marked as a 10b5-1 plan trade. Holdings down 9% to 492,144 shares. | SEC filing Filed Jul 1, 2026 |
| Jun 15–16, 2026 | Planned (10b5-1) | Mark Lowry Maurer (Chief Risk Officer) sold 46,248 shares between Jun 15 and Jun 16 at about $134.89 ($6.2M), marked as a 10b5-1 plan trade. Holdings down 25% to 135,496 shares. | SEC filing Filed Jun 17, 2026 |
| Jun 15, 2026 | Planned (10b5-1) | Annabelle G. Bexiga (Director) sold 1,500 shares at $133.36 ($200K), marked as a 10b5-1 plan trade. Holdings down 7% to 20,188 shares. | SEC filing Filed Jun 16, 2026 |
| Jun 12, 2026 | Sale | Charles M Lyon (President / COO) sold 9,000 shares at $131.96 ($1.2M). Holdings down 4% to 216,495 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 16, 2026 |
| Jun 12–15, 2026 | Sale | Sean Michael Oconnor (Director and Executive Vice-Chairman-Board) sold 150,000 shares between Jun 12 and Jun 15 at about $133.29 ($20.0M). Holdings down 12% to 1,086,921 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 16, 2026 |
| Jun 12, 2026 | Planned (10b5-1) | William J Dunaway (CFO) sold 63,602 shares at $131.16 ($8.3M), marked as a 10b5-1 plan trade. Holdings down 18% to 294,359 shares. | SEC filing Filed Jun 15, 2026 |
| Jun 8, 2026 | Planned (10b5-1) | Abigail H Perkins (Chief Information Officer) sold 4,312 shares at $118.51 ($511K), marked as a 10b5-1 plan trade. Holdings down 6% to 72,388 shares. | SEC filing Filed Jun 9, 2026 |
| May 22, 2026 | Sale | Mark Lowry Maurer (Chief Risk Officer) sold 11,398 shares at $112.25 ($1.3M). Holdings down 8% to 135,496 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 26, 2026 |
| May 22, 2026 | Planned (10b5-1) | Philip Andrew Smith (CEO and Director) sold 8,535 shares at $112.72 ($962K), marked as a 10b5-1 plan trade. Holdings down 2% to 506,184 shares. | SEC filing Filed May 26, 2026 |
| May 18–20, 2026 | Planned (10b5-1) Amended filing | Diego Rotsztain (Chief Governance/Legal Officer) sold 33,750 shares between May 18 and May 20 at about $112.01 ($3.8M), marked as a 10b5-1 plan trade. Holdings down 59% to 23,247 shares. This amends a filing from May 20. | SEC filing Filed May 20, 2026 |
| May 15–19, 2026 | Planned (10b5-1) | Sean Michael Oconnor (Director and Executive Vice-Chairman-Board) sold 300,000 shares between May 15 and May 19 at about $110.56 ($33.2M), marked as a 10b5-1 plan trade. Holdings down 20% to 1,236,921 shares. | SEC filing Filed May 19, 2026 |
| May 15, 2026 | Planned (10b5-1) | Annabelle G. Bexiga (Director) sold 1,500 shares at $112.82 ($169K), marked as a 10b5-1 plan trade. Holdings down 6% to 21,688 shares. | SEC filing Filed May 18, 2026 |
| May 15, 2026 | Planned (10b5-1) | William J Dunaway (CFO) sold 64,017 shares at $110.46 ($7.1M), marked as a 10b5-1 plan trade. Holdings down 19% to 273,586 shares. | SEC filing Filed May 18, 2026 |
| May 14, 2026 | Planned (10b5-1) | Mark Lowry Maurer (Chief Risk Officer) sold 34,862 shares at $116.29 ($4.1M), marked as a 10b5-1 plan trade. Holdings down 19% to 146,894 shares. | SEC filing Filed May 15, 2026 |
| May 11, 2026 | Sale | Aaron Schroeder (Chief Accounting Officer) sold 3,500 shares at $122.65 ($429K). Holdings down 6% to 51,481 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 13, 2026 |
| May 11, 2026 | Sale | Steven A. Kass (Director) sold 2,000 shares at $123.26 ($247K). Holdings down 4% to 53,266 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 11, 2026 |
| May 11, 2026 | Sale | Eric Parthemore (Director) sold 2,500 shares at $123.30 ($308K). Holdings down 5% to 43,874 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 11, 2026 |
| May 5, 2026 | Planned (10b5-1) | John Moore Fowler (Director) sold 1,050 shares at $106.25 ($112K), marked as a 10b5-1 plan trade. Holdings down 1% to 171,246 shares. | SEC filing Filed May 5, 2026 |
| Apr 15, 2026 | Planned (10b5-1) | Annabelle G. Bexiga (Director) sold 1,500 shares at $101.91 ($153K), marked as a 10b5-1 plan trade. Holdings down 6% to 23,188 shares. | SEC filing Filed Apr 15, 2026 |
| Apr 10, 2026 | Planned (10b5-1) | Philip Andrew Smith (CEO and Director) sold 30,000 shares at $92.23 ($2.8M), marked as a 10b5-1 plan trade. Holdings down 6% to 514,719 shares. | SEC filing Filed Apr 14, 2026 |
| Mar 13, 2026 | Planned (10b5-1) | Annabelle G. Bexiga (Director) sold 1,000 shares at $106.54 ($107K), marked as a 10b5-1 plan trade. Holdings down 6% to 16,459 shares. | SEC filing Filed Mar 17, 2026 |
| Feb 2, 2026 | Planned (10b5-1) | John Moore Fowler (Director) sold 1,125 shares at $112.70 ($127K), marked as a 10b5-1 plan trade. Holdings down 1% to 113,765 shares. | SEC filing Filed Feb 4, 2026 |
| Dec 19, 2025 | Planned (10b5-1) | Diego Rotsztain (Chief Governance/Legal Officer) sold 2,029 shares at $94.50 ($192K), marked as a 10b5-1 plan trade. Holdings down 12% to 15,498 shares. | SEC filing Filed Dec 22, 2025 |
| Dec 17–18, 2025 | Planned (10b5-1) | Diego Rotsztain (Chief Governance/Legal Officer) sold 3,825 shares between Dec 17, 2025 and Dec 18, 2025 at about $95.35 ($365K), marked as a 10b5-1 plan trade. Holdings down 18% to 17,527 shares. | SEC filing Filed Dec 19, 2025 |
| Dec 16, 2025 | Purchase (code P) | John Radziwill (Chair and Director) bought 1,000 shares at $97.25 ($97K), reported as a purchase (code P). Holdings up 1% to 101,596 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 18, 2025 |
| Nov 3, 2025 | Planned (10b5-1) | John Moore Fowler (Director) sold 1,125 shares at $91.20 ($103K), marked as a 10b5-1 plan trade. Holdings down 1% to 114,769 shares. | SEC filing Filed Nov 5, 2025 |
74 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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