InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
0
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
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.
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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
CALVERT DENNIS P is Président at Biolargo, INC. The record shows 10 filings in total. Across the sampled recent filings, the modal transaction nature is Attribution, with buy and sell amounts of EUR 0, and a date range from 2021-12-30 to 2026-07-02.
