Summary
Updated Aug 31, 2026
Thomas L. Harrison is Director of AGENUS INC (AGEN). 10 SEC Form 4 filings on record going back to 2025, most recently on 11 August 2026.
Recent Transactions
7Every recent SEC Form 4 transaction Thomas L. Harrison has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Thomas L. Harrison go back to 2025: 10 primary Form 4 filings, an average of 5.0 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 Thomas L. Harrison's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- RA CAPITAL MANAGEMENT, L.P. - $38.76M of MLYS open-market activity in the last 12 months
- 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
- Chad M. Robins - $37.85M of ADPT 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 Thomas L. Harrison?
Thomas L. Harrison is a corporate insider, tracked as Director of AGENUS INC (AGEN). InsiderAlpha holds 10 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 Thomas L. Harrison submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Where can I see all of Thomas L. Harrison'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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