SNEXFinancial ServicesMid-Cap
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.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are SNEX insiders buying or selling?
StoneX Group Inc. insiders reported 22 open-market buys ($4.2M) and 215 sells ($272.4M) across 237 Form 4 filings — a net selling position of $268.3M.
Source: SEC EDGAR Form 4
Key Statistics (as of Aug 18, 2026)
Total Form 4 filings
237
SEC EDGAR
Insider filers
21
Insider buys (22)
$4.2M
Insider sells (215)
$272.4M
Insider sentiment
Net sellingNet insider flow of $268.3M in net selling. 1 insider buy in the last 90 days.
Recent SNEX insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 18, 2026 | William J Dunaway | Chief Financial Officer | Sale | 96.5K | $66.35 | $6.4M |
| Aug 11, 2026 | Abigail H Perkins | Chief Information Officer | Sale | 4.5K | $64.81 | $291.7K |
| Aug 11, 2026 | Dhamu R. Thamodaran | Director | Purchase | 2.5K | $64.48 | $161.2K |
| Aug 11, 2026 | Mark Lowry Maurer | Other | Sale | 52.6K | $66.25 | $3.5M |
| Aug 6, 2026 | John Moore Fowler | Director | Sale | 1.6K | $75.41 | $118.8K |
| Jul 27, 2026 | Diego Rotsztain | Chief Governance/Legal Officer | Sale | 20.6K | $74.40 | $1.5M |
| Jul 24, 2026 | Diego Rotsztain | Chief Governance/Legal Officer | Sale | 30.0K | $74.32 | $2.2M |
| Jul 24, 2026 | Sean Michael Oconnor | Executive Vice-Chairman-Board | Sale | 104.9K | $74.33 | $7.8M |
| Jul 24, 2026 | William J Dunaway | Chief Financial Officer | Sale | 96.0K | $74.33 | $7.1M |
| Jul 24, 2026 | Philip Andrew Smith | Chief Executive Officer | Sale | 45.0K | $74.32 | $3.3M |
| Jul 24, 2026 | Mark Lowry Maurer | Other | Sale | 52.4K | $74.32 | $3.9M |
| Jul 22, 2026 | Abigail H Perkins | Chief Information Officer | Sale | 8.9K | $70.43 | $628.1K |
| Jul 17, 2026 | Annabelle G Bexiga | Director | Sale | 1.5K | $113.92 | $170.9K |
| Jul 1, 2026 | Philip Andrew Smith | Chief Executive Officer | Sale | 51.5K | $118.72 | $6.1M |
| Jun 17, 2026 | Mark Lowry Maurer | Other | Sale | 46.2K | $134.89 | $6.2M |
| Jun 16, 2026 | Charles M Lyon | President | Sale | 9.0K | $131.96 | $1.2M |
| Jun 16, 2026 | Sean Michael Oconnor | Executive Vice-Chairman-Board | Sale | 150.0K | $133.29 | $20.0M |
| Jun 16, 2026 | Annabelle G Bexiga | Director | Sale | 1.5K | $133.36 | $200.0K |
| Jun 15, 2026 | William J Dunaway | Chief Financial Officer | Sale | 63.6K | $131.16 | $8.3M |
| Jun 10, 2026 | Abigail H Perkins | Chief Information Officer | Sale | 4.3K | $118.51 | $511.0K |
| May 26, 2026 | Mark Lowry Maurer | Other | Sale | 11.4K | $112.25 | $1.3M |
| May 26, 2026 | Philip Andrew Smith | Chief Executive Officer | Sale | 8.5K | $112.72 | $962.1K |
| May 21, 2026 | Diego Rotsztain | Chief Governance/Legal Officer | Sale | 33.8K | $112.01 | $3.8M |
| May 20, 2026 | Diego Rotsztain | Chief Governance/Legal Officer | Sale | 33.8K | $112.01 | $3.8M |
| May 19, 2026 | Sean Michael Oconnor | Executive Vice-Chairman-Board | Sale | 300.0K | $110.56 | $33.2M |
Showing the 25 most recent of 237 Form 4 filings for StoneX Group Inc..
Most active SNEX insiders
- Philip Andrew Smith37 filings
- Sean Michael Oconnor25 filings
- John Moore Fowler22 filings
- William J Dunaway20 filings
- Diego Rotsztain17 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?
Across 237 SEC Form 4 filings, StoneX Group Inc. (SNEX) insiders reported 22 open-market purchases totaling $4.2M and 215 sales totaling $272.4M. That is a net selling position of $268.3M.
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 Aug 18, 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.
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