Summary
Latest filing:
Charles M. Lyon is President of StoneX Group Inc. (SNEX). 4 SEC Form 4 filings on record going back to 2024, most recently on 11 September 2026. Most recent open-market trade: sold $1.19M of SNEX on 16 June 2026. Lifetime open-market sales: $4.93M.
Recent Transactions
7Every recent SEC Form 4 transaction Charles M. Lyon has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Charles M. Lyon files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Sean Michael Oconnor - $70.94M of SNEX open-market activity in the last 12 months
- Mark Lowry Maurer - $30.95M of SNEX open-market activity in the last 12 months
- William J. Dunaway - $28.95M of SNEX open-market activity in the last 12 months
- Diego Rotsztain - $14.78M of SNEX open-market activity in the last 12 months
- Philip Andrew Smith - $13.19M of SNEX open-market activity in the last 12 months
- Abigail H. Perkins - $3.06M of SNEX open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Charles M. Lyon?
Charles M. Lyon is a corporate insider, tracked as President of StoneX Group Inc. (SNEX). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Charles M. Lyon submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Charles M. Lyon been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($4.93M) across all tracked filings.
Where can I see all of Charles M. Lyon's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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