StoneX Group Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for StoneX Group Inc. (SNEX), sourced directly from SEC EDGAR and updated as new filings are accepted.
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are SNEX insiders buying or selling?
In the last 12 months, StoneX Group Inc. insiders reported 2 open-market purchases ($258.5K) and 49 sales ($183.8M) — net selling of $183.5M. Since January 2018, Trabud has recorded 244 Form 4 filings for SNEX: 22 buys ($4.2M) and 222 sells ($297.7M).
Source: SEC EDGAR Form 4
What stands out
- The largest open-market purchase in the last 12 months was $161.2K by Dhamu R. Thamodaran (Director) on Aug 11, 2026. SEC ↗
- The most recent open-market purchase was reported on Aug 11, 2026 (2 months ago).
Key Statistics (January 2018 – Oct 15, 2026)
Insider sentiment
Net sellingNet insider flow of $293.5M in net selling since January 2018, and $183.5M in net selling over the last 12 months. 1 insider buy in the last 90 days.
Recent SNEX insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Oct 15, 2026 | Philip Andrew Smith | Chief Executive Officer | Sale | 45.0K | $59.50 | $2.7M | SEC ↗ |
| Oct 15, 2026 | Mark Lowry Maurer | Other | Sale | 53.0K | $60.35 | $3.2M | SEC ↗ |
| Oct 13, 2026 | Sean Michael Oconnor | Executive Vice-Chairman-Board | Sale | 76.1K | $60.35 | $4.6M | SEC ↗ |
| Sep 30, 2026 | Philip Andrew Smith | Chief Executive Officer | Sale | 56.3K | $65.69 | $3.7M | SEC ↗ |
| Sep 16, 2026 | Diego Rotsztain | Chief Governance/Legal Officer | Sale | 50.6K | $68.15 | $3.5M | SEC ↗ |
| Sep 16, 2026 | Abigail H Perkins | Chief Information Officer | Sale | 8.9K | $68.83 | $614.2K | SEC ↗ |
| Sep 16, 2026 | Mark Lowry Maurer | Other | Sale | 103.1K | $67.94 | $7.0M | SEC ↗ |
| Aug 18, 2026 | William J Dunaway | Chief Financial Officer | Sale | 96.5K | $66.35 | $6.4M | SEC ↗ |
| Aug 11, 2026 | Abigail H Perkins | Chief Information Officer | Sale | 4.5K | $64.81 | $291.7K | SEC ↗ |
| Aug 11, 2026 | Dhamu R. Thamodaran | Director | Purchase | 2.5K | $64.48 | $161.2K | SEC ↗ |
| Aug 11, 2026 | Mark Lowry Maurer | Other | Sale | 52.6K | $66.25 | $3.5M | SEC ↗ |
| Aug 6, 2026 | John Moore Fowler | Director | Sale | 1.6K | $75.41 | $118.8K | SEC ↗ |
| Jul 27, 2026 | Diego Rotsztain | Chief Governance/Legal Officer | Sale | 20.6K | $74.40 | $1.5M | SEC ↗ |
| Jul 24, 2026 | Diego Rotsztain | Chief Governance/Legal Officer | Sale | 30.0K | $74.32 | $2.2M | SEC ↗ |
| Jul 24, 2026 | Sean Michael Oconnor | Executive Vice-Chairman-Board | Sale | 104.9K | $74.33 | $7.8M | SEC ↗ |
| Jul 24, 2026 | William J Dunaway | Chief Financial Officer | Sale | 96.0K | $74.33 | $7.1M | SEC ↗ |
| Jul 24, 2026 | Philip Andrew Smith | Chief Executive Officer | Sale | 45.0K | $74.32 | $3.3M | SEC ↗ |
| Jul 24, 2026 | Mark Lowry Maurer | Other | Sale | 52.4K | $74.32 | $3.9M | SEC ↗ |
| Jul 22, 2026 | Abigail H Perkins | Chief Information Officer | Sale | 8.9K | $70.43 | $628.1K | SEC ↗ |
| Jul 17, 2026 | Annabelle G Bexiga | Director | Sale | 1.5K | $113.92 | $170.9K | SEC ↗ |
| Jul 1, 2026 | Philip Andrew Smith | Chief Executive Officer | Sale | 51.5K | $118.72 | $6.1M | SEC ↗ |
| Jun 17, 2026 | Mark Lowry Maurer | Other | Sale | 46.2K | $134.89 | $6.2M | SEC ↗ |
| Jun 16, 2026 | Charles M Lyon | President | Sale | 9.0K | $131.96 | $1.2M | SEC ↗ |
| Jun 16, 2026 | Sean Michael Oconnor | Executive Vice-Chairman-Board | Sale | 150.0K | $133.29 | $20.0M | SEC ↗ |
| Jun 16, 2026 | Annabelle G Bexiga | Director | Sale | 1.5K | $133.36 | $200.0K | SEC ↗ |
Showing the 25 most recent of 244 Form 4 filings for StoneX Group Inc..
Most active SNEX insiders
- Philip Andrew Smith39 filings
- Sean Michael Oconnor26 filings
- John Moore Fowler22 filings
- William J Dunaway20 filings
- Diego Rotsztain18 filings
Ask anything about SNEX insider activity
Use Trabud's AI agent to query StoneX Group Inc.'s Form 4 history in plain English — "Show me SNEX CEO purchases this year" or compare it against any other ticker.
Open the AI agentSNEX insider trading FAQ
Are StoneX Group Inc. insiders buying or selling?
In the last 12 months, StoneX Group Inc. insiders reported 2 open-market purchases ($258.5K) and 49 sales ($183.8M) — net selling of $183.5M. Since January 2018, Trabud has recorded 244 Form 4 filings for SNEX: 22 buys ($4.2M) and 222 sells ($297.7M). Over the full record that is net selling of $293.5M.
How many insiders trade SNEX stock?
21 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for StoneX Group Inc.. The most recent filing was accepted on Oct 15, 2026.
Where does Trabud get SNEX insider trading data?
All SNEX insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.