Summary
Updated Aug 31, 2026
Guy Warren Primus is Director of LIXTE BIOTECHNOLOGY HOLDINGS, INC. (LIXT). 3 SEC Form 4 filings on record going back to 2025, most recently on 2 July 2026.
Recent Transactions
2Every recent SEC Form 4 transaction Guy Warren Primus has reported, most recent first.
Other Insiders Active in the Same Sector
No other insider has filed at Guy Warren Primus's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Dirk Kersten - $38.57M of DYN open-market activity in the last 12 months
- Ari Bousbib - $38.55M of IQV open-market activity in the last 12 months
- Mark J. Tarr - $38.47M of EHC open-market activity in the last 12 months
- Helen Torley - $37.86M of HALO open-market activity in the last 12 months
- Kevin Charles Gorman - $37.82M of NBIX open-market activity in the last 12 months
- Emily M. Leproust - $35.18M of TWST 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 Guy Warren Primus?
Guy Warren Primus is a corporate insider, tracked as Director of LIXTE BIOTECHNOLOGY HOLDINGS, INC. (LIXT). InsiderAlpha holds 3 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 Guy Warren Primus submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Guy Warren Primus'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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