SNEX
StoneX Group Inc.
Latest Form 4:Sale$6.4MbyDunaway William J (Chief Financial Officer) · filed Aug 18, 2026
StoneX Group Inc. (SNEX) has 85 SEC Form 4 filings (129 transaction rows) in the rolling window, disclosed by 14 distinct insiders. Most recent filing: Aug 18, 2026.
The most active filer is Executive Vice-Chairman-Board OCONNOR SEAN MICHAEL with 8 filings. Insiders have net sold $134.1M over the trailing 6 months.
- Industry:Financial - Capital Markets
- CEO:Philip Andrew Smith
- Employees:5,307
- HQ:New York City, NY, US
- IPO:1995-03-06
Insider Buying
$258K
reported purchases (SEC code P)
Insider Selling
$154.7M
reported sales (SEC code S)
Unique Insiders
14
in the rolling window
Market Cap
$8.3B
latest known value
| Source | ||||||
|---|---|---|---|---|---|---|
| Chief Financial Officer | Sale | 96,490 | $6.4M | Aug 18 | SEC ↗ | |
| Chief Information Officer | Sale | 4,500 | $292K | Aug 11 | SEC ↗ | |
Thamodaran Dhamu R.First filing | Director | Purchase | 2,500 | $161K | Aug 11 | SEC ↗ |
| Chief Risk Officer | Sale | 52,648 | $3.5M | Aug 11 | SEC ↗ | |
FOWLER JOHN MOOREFirst in 3 months | Director | Sale | 1,575 | $119K | Aug 6 | SEC ↗ |
| Chief Governance/Legal Officer | Sale | 20,630 | $1.5M | Jul 27 | SEC ↗ | |
| Chief Governance/Legal Officer | Sale | 29,995 | $2.2M | Jul 24 | SEC ↗ | |
| Executive Vice-Chairman-Board | Sale | 104,934 | $7.8M | Jul 24 | SEC ↗ | |
| Chief Financial Officer | Sale | 95,970 | $7.1M | Jul 24 | SEC ↗ | |
| Chief Executive Officer | Sale | 45,000 | $3.3M | Jul 24 | SEC ↗ | |
| Chief Risk Officer | Sale | 52,376 | $3.9M | Jul 24 | SEC ↗ | |
| Chief Information Officer | Sale | 8,919 | $628K | Jul 22 | SEC ↗ | |
| Director | Sale | 2,250 | $171K | Jul 17 | SEC ↗ | |
| Chief Executive Officer | Sale | 77,310 | $6.1M | Jul 1 | SEC ↗ | |
| Chief Risk Officer | Sale | 52,059 | $4.7M | Jun 17 | SEC ↗ | |
| Chief Risk Officer | Sale | 17,313 | $1.5M | Jun 17 | SEC ↗ | |
| Executive Vice-Chairman-Board | Sale | 112,500 | $9.8M | Jun 16 | SEC ↗ | |
| Executive Vice-Chairman-Board | Sale | 112,500 | $10.2M | Jun 16 | SEC ↗ | |
Lyon Charles MFirst in 4 months | President | Sale | 13,500 | $1.2M | Jun 16 | SEC ↗ |
| Director | Sale | 2,250 | $200K | Jun 16 | SEC ↗ | |
| Chief Financial Officer | Sale | 95,403 | $8.3M | Jun 15 | SEC ↗ | |
Perkins Abigail HFirst in 4 months | Chief Information Officer | Sale | 6,468 | $511K | Jun 9 | SEC ↗ |
| Chief Executive Officer | Sale | 12,803 | $962K | May 26 | SEC ↗ | |
| Chief Risk Officer | Sale | 17,097 | $1.3M | May 26 | SEC ↗ | |
| Chief Governance/Legal Officer | Sale | 30,081 | $2.2M | May 20 | SEC ↗ | |
| Chief Governance/Legal Officer | Sale | 20,544 | $1.5M | May 20 | SEC ↗ | |
OCONNOR SEAN MICHAELFirst in 3 months | Executive Vice-Chairman-Board | Sale | 210,105 | $15.5M | May 19 | SEC ↗ |
OCONNOR SEAN MICHAELFirst in 3 months | Executive Vice-Chairman-Board | Sale | 131,685 | $9.8M | May 19 | SEC ↗ |
OCONNOR SEAN MICHAELFirst in 3 months | Executive Vice-Chairman-Board | Sale | 108,210 | $7.9M | May 19 | SEC ↗ |
Dunaway William JFirst filing | Chief Financial Officer | Sale | 96,026 | $7.1M | May 18 | SEC ↗ |
| Director | Sale | 2,250 | $169K | May 18 | SEC ↗ | |
Maurer Mark LowryFirst in 3 months | Chief Risk Officer | Sale | 52,293 | $4.1M | May 15 | SEC ↗ |
Schroeder AaronFirst filing | Chief Accounting Officer | Sale | 5,250 | $429K | May 13 | SEC ↗ |
PARTHEMORE ERICFirst filing | Director | Sale | 3,750 | $308K | May 11 | SEC ↗ |
KASS STEVEN AFirst filing | Director | Sale | 3,000 | $247K | May 11 | SEC ↗ |
FOWLER JOHN MOOREFirst in 3 months | Director | Sale | 1,575 | $112K | May 5 | SEC ↗ |
| Director | Sale | 2,250 | $153K | Apr 15 | SEC ↗ | |
Smith Philip AndrewFirst filing | Chief Executive Officer | Sale | 45,000 | $2.8M | Apr 14 | SEC ↗ |
BEXIGA ANNABELLE GFirst filing | Director | Sale | 2,250 | $107K | Mar 17 | SEC ↗ |
Perkins Abigail HFirst filing | Chief Information Officer | Sale | 18,000 | $1.0M | Feb 18 | SEC ↗ |
OCONNOR SEAN MICHAELFirst filing | Executive Vice-Chairman-Board | Sale | 90,000 | $5.0M | Feb 11 | SEC ↗ |
OCONNOR SEAN MICHAELFirst filing | Executive Vice-Chairman-Board | Sale | 90,000 | $5.0M | Feb 11 | SEC ↗ |
Maurer Mark LowryFirst filing | Chief Risk Officer | Sale | 90,000 | $5.0M | Feb 11 | SEC ↗ |
Lyon Charles MFirst filing | President | Sale | 67,500 | $3.7M | Feb 10 | SEC ↗ |
FOWLER JOHN MOOREFirst in 3 months | Director | Sale | 2,531 | $127K | Feb 4 | SEC ↗ |
| Chief Governance/Legal Officer | Sale | 4,565 | $192K | Dec 22 | SEC ↗ | |
Rotsztain DiegoFirst filing | Chief Governance/Legal Officer | Sale | 3,033 | $130K | Dec 19 | SEC ↗ |
Rotsztain DiegoFirst filing | Chief Governance/Legal Officer | Sale | 5,573 | $235K | Dec 19 | SEC ↗ |
RADZIWILL JOHNFirst filing | Chairman of the Board | Purchase | 2,250 | $97K | Dec 18 | SEC ↗ |
FOWLER JOHN MOOREFirst filing | Director | Sale | 2,531 | $103K | Nov 5 | SEC ↗ |
Related companies
StoneX Group Inc. is in the Finance & Insurance sector.