Updated Jul 16, 2026
CALVERT DENNIS P has filed 1 SEC Form 4 filing across 1 company in the last 90 days.

Dennis P. Calvert is the President and Director of BioLargo, Inc., a company focused on developing innovative environmental technologies. He has been involved in the company through various roles, contributing to its strategic direction.
| Role | President, Director |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-03 | BLGO | BIOLARGO, INC. | A — Grant or award | 219.9K | $0.11 | $25K |
| 2026-07-03 | BLGO | BIOLARGO, INC. | A — Grant or award | 699.6K | $0.11 | $79K |
| 2025-07-14 | BLGO | BIOLARGO, INC. | A — Grant or award | 169.5K | $0.20 | $34K |
Dennis P. Calvert is the President and Director of BioLargo, Inc., a company focused on developing innovative environmental technologies. He has been involved in the company through various roles, contributing to its strategic direction.…
1 primary Form 4 filings in the last 90 days, covering 1 company.
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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