InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
0
T+90 hit rate
0%
T+90 mean return
-22.2%
Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the full record of transactions filed by Calvert Dennis P, Président. Officer active across 1 company, notably Biolargo, INC.. Aggregated, 10 reports have been recorded. History available since 7 July 2022. The latest transaction was disclosed on 31 December 2025 (Attribution). Regulator: SEC (Form 4). All data is accessible without signup.
Companies and markets linked to Calvert Dennis P
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Declarations10 total
699,569 sharesCommon StockSEC:0001437749-26-022659:0
219,914 sharesCommon StockSEC:0001437749-26-022659:1
130,222 shares@ US$0.184312.5% of flowCommon StockSEC:0001437749-26-000421:0
310,269 shares@ US$0.1629.9% of flowCommon StockSEC:0001437749-25-035493:0
169,498 shares@ US$0.2029.0% of flowCommon StockSEC:0001437749-25-022851:0
50,557 shares@ US$0.16810.8% of flowCommon stockSEC:0001437749-24-000493:0
50,553 shares@ US$0.17911.5% of flowCommon stockSEC:0001437749-23-020751:0
100,549 shares@ US$0.2738.8% of flowCommon stockSEC:0001437749-22-023722:0
156,111 shares@ US$0.1838.9% of flowCommon stockSEC:0001437749-22-016872:0
156,000 sharesCommon stockSEC:0001437749-21-029527:0
10 of 10 declarations
About Calvert Dennis P
Dennis P. Calvert is the President of BIOLARGO, INC. He oversees the company's operations and is responsible for its growth strategy. Calvert plays a key role in developing new products and expanding BIOLARGO's market presence. His commitment to innovation and sustainability is essential for the company.
