Summary
Updated Aug 31, 2026
John C. Thomas files SEC Form 4 reports at Dogwood Therapeutics, Inc. (DWTX). 2 SEC Form 4 filings on record going back to 2025, most recently on 17 June 2026.
Trading Pattern
InsiderAlpha's records for John C. Thomas go back to 2025: 2 primary Form 4 filings, an average of 1.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Sector
No other insider has filed at John C. Thomas's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Robert W. Duggan - $57.93M of SMMT open-market activity in the last 12 months
- Mahkam Zanganeh - $57.93M of SMMT open-market activity in the last 12 months
- Peter A. Thompson - $55.67M of SION open-market activity in the last 12 months
- ORBIMED ADVISORS LLC - $55.67M of SION open-market activity in the last 12 months
- Mark A. Goldsmith - $54.82M of RVMD open-market activity in the last 12 months
- RA CAPITAL MANAGEMENT, L.P. - $54.63M of WVE 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 John C. Thomas?
John C. Thomas is a corporate insider of Dogwood Therapeutics, Inc. (DWTX). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has John C. Thomas submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of John C. Thomas'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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