Summary
Updated Aug 30, 2026
Dennis P. Calvert is President, Director of BIOLARGO, INC. (BLGO). 3 SEC Form 4 filings on record going back to 2025, most recently on 3 July 2026.
Recent Transactions
4Every recent SEC Form 4 transaction Dennis P. Calvert has reported, most recent first.
Other Insiders Active in the Same Sector
No other insider has filed at Dennis P. Calvert's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Kyle Sable - $11.72M of PRM open-market activity in the last 12 months
- Jan Philipp Jenisch - $11.63M of AMRZ open-market activity in the last 12 months
- Lawrence A. Hilsheimer - $11.52M of GEF open-market activity in the last 12 months
- Douglas N. Currault II - $11.12M of FCX open-market activity in the last 12 months
- Brittany Bagley - $11.02M of AXON open-market activity in the last 12 months
- Andrew D. Ross - $10.47M of PH 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 Dennis P. Calvert?
Dennis P. Calvert is a corporate insider, tracked as President, Director of BIOLARGO, INC. (BLGO). 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 Dennis P. Calvert submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Dennis P. Calvert'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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