Biolargo, Inc. BLGO
We take great care to ensure that the data presented and summarized in this overview for BIOLARGO, INC. is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding BLGO
View allLatest Institutional Activity in BLGO
Top Purchases
Top Sells
About BLGO
BioLargo, Inc. invents, develops, and commercializes various platform technologies. The company's technologies solve challenging environmental problems comprising per- and polyfluoroalkyl substances contamination, advanced water and wastewater treatment, industrial odor and VOC control, air quality control, and infection control. It holds various issued patents, maintains a pipeline of products, and provides full-service environmental engineering services. The company's products include Advanced Oxidation system, a water treatment device that generates a series of oxidative and energetic species of iodine and other molecules; Aqueous Electrostatic Concentrator, a water treatment system that removes per- and poly-fluoroalkyl substances from water; CupriDyne Clean industrial products, which reduce and eliminate tough odors and volatile organic compounds in various industrial settings; and advanced wound care products. BioLargo, Inc. was incorporated in 1991 and is based in Westminster, California.
Insider Transactions at BLGO
Insider Transaction List
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 31
2023
|
Kenneth Reay Code Chief Science Officer |
BUY
Grant, award, or other acquisition
|
Direct |
72,621
+0.29%
|
$0
$0.17 P/Share
|
|
Dec 31
2023
|
Dennis P Calvert President |
BUY
Grant, award, or other acquisition
|
Direct |
50,557
+0.51%
|
$0
$0.17 P/Share
|
|
Sep 30
2023
|
Kenneth Reay Code Chief Science Officer |
BUY
Grant, award, or other acquisition
|
Direct |
19,010
+0.08%
|
$0
$0.17 P/Share
|
|
Jul 24
2023
|
Dennis P Calvert President |
BUY
Grant, award, or other acquisition
|
Direct |
50,553
+0.51%
|
$0
$0.18 P/Share
|
|
Jun 30
2023
|
Kenneth Reay Code Chief Science Officer |
BUY
Grant, award, or other acquisition
|
Direct |
68,541
+0.27%
|
$0
$0.18 P/Share
|
|
Mar 31
2023
|
Kenneth Reay Code Chief Science Officer |
BUY
Grant, award, or other acquisition
|
Direct |
30,747
+0.12%
|
$0
$0.2 P/Share
|
|
Oct 03
2022
|
Dennis P Calvert President |
BUY
Grant, award, or other acquisition
|
Direct |
100,549
+1.02%
|
$0
$0.27 P/Share
|
|
Oct 03
2022
|
Kenneth Reay Code Chief Science Officer |
BUY
Grant, award, or other acquisition
|
Direct |
167,781
+0.67%
|
$0
$0.27 P/Share
|
|
Jul 07
2022
|
Dennis P Calvert President |
BUY
Grant, award, or other acquisition
|
Direct |
156,111
+1.59%
|
$0
$0.18 P/Share
|
|
Jun 30
2022
|
Kenneth Reay Code Chief Science Officer |
BUY
Grant, award, or other acquisition
|
Direct |
107,784
+0.43%
|
$0
$0.18 P/Share
|
|
Dec 31
2021
|
Kenneth Reay Code Chief Science Officer |
BUY
Grant, award, or other acquisition
|
Direct |
15,000
+0.06%
|
$0
$0.21 P/Share
|
|
Dec 30
2021
|
Dennis P Calvert President |
SELL
Bona fide gift
|
Direct |
156,000
-1.62%
|
-
|
|
Oct 05
2021
|
Kenneth Reay Code Chief Science Officer |
BUY
Grant, award, or other acquisition
|
Direct |
61,842
+0.25%
|
$0
$0.19 P/Share
|
|
Apr 20
2021
|
Jack B. Strommen Director |
BUY
Conversion of derivative security
|
Direct |
563,035
+10.35%
|
$0
$0.24 P/Share
|
|
Apr 01
2021
|
Dennis P Calvert President |
BUY
Grant, award, or other acquisition
|
Direct |
61,758
+0.64%
|
$0
$0.23 P/Share
|
|
Apr 01
2021
|
Kenneth Reay Code Chief Science Officer |
BUY
Grant, award, or other acquisition
|
Direct |
75,606
+0.31%
|
$0
$0.23 P/Share
|
|
Dec 31
2020
|
Dennis P Calvert President |
BUY
Grant, award, or other acquisition
|
Direct |
316,260
+3.19%
|
$0
$0.12 P/Share
|
|
Dec 31
2020
|
Dennis P Calvert President |
SELL
Bona fide gift
|
Direct |
225,000
-2.37%
|
-
|
|
Oct 06
2020
|
Dennis P Calvert President |
BUY
Grant, award, or other acquisition
|
Direct |
164,331
+1.7%
|
$0
$0.15 P/Share
|
|
Sep 30
2020
|
Dennis P Calvert President |
BUY
Grant, award, or other acquisition
|
Direct |
164,331
+1.7%
|
$0
$0.15 P/Share
|
Last 12 Months Summary
| Grant, award, or other acquisition | 123K shares |
|---|