Dennis P Calvert Biolargo, Inc. (BLGO) insider trading activity

Dennis P Calvert is President of BIOLARGO, INC.. Currently has a direct ownership of 10.5 Million shares of BLGO, which is worth approximately $1.68 Million. The most recent transaction as insider was on Dec 31, 2025, when has been sold 130,222 shares (Common Stock) at a price of $0.18 per share, resulting in proceeds of $23,439. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 10.5M

4.93% 3M change

6.73% 12M change

Total Value Held $1.68 Million

DENNIS P CALVERT Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 31 2025	BUY Grant, award, or other acquisition	$23,439 $0.18 p/Share	130,222 Added 1.22%	10,523,625 Common Stock
Nov 14 2025	BUY Grant, award, or other acquisition	$49,643 $0.16 p/Share	310,269 Added 2.9%	10,393,403 Common Stock
Jul 14 2025	BUY Grant, award, or other acquisition	$33,899 $0.2 p/Share	169,498 Added 1.66%	10,029,542 Common Stock
Dec 31 2023	BUY Grant, award, or other acquisition	$8,594 $0.17 p/Share	50,557 Added 0.51%	9,860,044 Common Stock
Jul 24 2023	BUY Grant, award, or other acquisition	$9,099 $0.18 p/Share	50,553 Added 0.51%	9,809,487 Common Stock
Oct 03 2022	BUY Grant, award, or other acquisition	$27,148 $0.27 p/Share	100,549 Added 1.02%	9,758,934 Common Stock
Jul 07 2022	BUY Grant, award, or other acquisition	$28,100 $0.18 p/Share	156,111 Added 1.59%	9,658,385 Common Stock

Dec 30 2021	SELL Bona fide gift	-	156,000 Reduced 1.62%	9,502,274 Common Stock
Apr 01 2021	BUY Grant, award, or other acquisition	$14,204 $0.23 p/Share	61,758 Added 0.64%	9,658,274 Common Stock
Dec 31 2020	SELL Bona fide gift	-	225,000 Reduced 2.37%	9,280,256 Common Stock
Dec 31 2020	BUY Grant, award, or other acquisition	$37,951 $0.12 p/Share	316,260 Added 3.19%	9,596,516 Common Stock
Oct 06 2020	BUY Grant, award, or other acquisition	$24,650 $0.15 p/Share	164,331 Added 1.7%	9,505,256 Common Stock
Sep 30 2020	BUY Grant, award, or other acquisition	$24,650 $0.15 p/Share	164,331 Added 1.7%	9,505,256 Common Stock

DPC

Dennis P Calvert

President

Westminster, CA

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