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Biolargo

OTC: BLGO

Santa Ana, US · Delaware corporation

Find your way into Biolargo

453 people in our graph share verified history with the Biolargo team — schools, employers, funds. One of them is your warm intro.

Scott Billerunlockedknows DENNIS P CALVERT · together at Columbia University (overlapped)
knows the team · via Columbia University
×3knows the team · via University of Calgary
×7knows the team · via Wake Forest University

BioLargo Engineering provides environmental engineering services, technology development, and manufacturing of patented water and air treatment products for industrial and commercial clients. The company serves sectors requiring environmental remediation, hazardous waste treatment, air quality management, and OSHA compliance solutions.

Advanced ManufacturingCleantechClimate TechEnterprise Software

Founders & leadership

KR
Kenneth R. CodeinExecutiveKenneth R. Code founded IOWC Technologies and has served as its president since December 2000, focusing on research and development of disinfection technology; he holds a degree from the University of Calgary and has authored publications and filed patent applications in disinfection chemistry.
CKCharles K. Dargan
Charles K. DarganExecutive
JL
Joseph L. ProvenzanoExecutive
CK
Charles K. Dargan, IIExecutive
DCDennis Calvert
Dennis CalvertinCEODennis Calvert is CEO of BioLargo, which develops water and air treatment technologies for industrial applications, including PFAS removal and water purification systems. He serves on the U.S. Environmental Technologies Trade Advisory Committee.
RMRandall Moore
Randall MooreinPresidentDirector at BioLargo Energy Technologies
KJKevin Jackson
Kevin JacksoninVP, Technical Director
RBRussell Bryson
Russell BrysoninVP, Principal Engineer
WLWes Larsen
Wes LarseninVP of West Coast OperationsWes Larsen joined BioLargo in 2021 as VP of West Coast Operations. With over 45 years of experience in engineering and construction management for refining, petrochemical, and power projects at firms including Fluor, Worley, and Technip, he has held roles as Program Manager, Project Manager, and Proposal Manager on major industrial infrastructure and compliance initiatives.
DPDennis P. Calvert
Dennis P. CalvertinPresident, Chief Executive Officer, Chairman, and DirectorDennis P. Calvert is President and Chief Executive Officer of BioLargo, an environmental engineering company that develops and manufactures water and air treatment technologies for industrial and commercial applications, including PFAS removal and water purification systems. He serves on the U.S. Environmental Technologies Trade Advisory Committee and chairs its Enabling Innovative Technologies subcommittee.

Board

GA
Gary A. CoxBoard director
JS
John S. RunyanBoard director

Reported raises · per SEC filings

Form D private placements

$4.9M disclosed across 15 rounds · 2011–2023

▶$815KraisedJan 2024 · 17 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Kenneth R. CodeExecutive Officer, Director
  • Joseph L. ProvenzanoExecutive Officer, Director
  • Dennis P CalvertExecutive Officer, Director
  • Dennis E. MarshallDirector
  • Linda ParkDirector
  • Jack B. StrommenDirector
  • Charles K. DarganExecutive Officer
  • Christina BrayDirector
Offering amount
$815K
Amount sold
$815K
Minimum investment
$25K
Sales commissions
$81.5K
Proceeds to insiders
$75K
Placement agents
The Oak Ridge Financial Services Group, Inc.
First sale
Nov 2023
Incorporated
Corporation, Delaware
Federal exemptions
04, 06b
Full filing on SEC EDGAR ↗
▶$726KraisedMay 2022 · 4 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Jack B. StrommenDirector
  • Dennis P CalvertExecutive Officer, Director
  • Kent C. Roberts, IIDirector
  • Joseph L. ProvenzanoExecutive Officer, Director
  • Kenneth R. CodeExecutive Officer, Director
  • John S. RunyanDirector
  • Charles K. DarganExecutive Officer
  • Dennis E. MarshallDirector
Offering amount
$5M
Amount sold
$726K
Minimum investment
$25K
First sale
Apr 2022
Incorporated
Corporation, Delaware
Federal exemptions
04, 06b
Full filing on SEC EDGAR ↗
▶$200KraisedMay 2019 · 1 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Kenneth R. CodeExecutive Officer, Director
  • Dennis P CalvertExecutive Officer, Director
  • Kent C. Roberts, IIDirector
  • Joseph L. ProvenzanoExecutive Officer, Director
  • Charles K. DarganExecutive Officer
  • Jack B. StrommenDirector
  • Dennis E. MarshallDirector
  • John S. RunyanDirector
Offering amount
$600K
Amount sold
$200K
Minimum investment
$200K
Proceeds to insiders
$100K
First sale
Apr 2019
Incorporated
Corporation, California
Federal exemptions
04, 06b
Full filing on SEC EDGAR ↗
▶$70KraisedJan 2019 · 2 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Kenneth R. CodeExecutive Officer, Director
  • Dennis E. MarshallDirector
  • Joseph L. ProvenzanoExecutive Officer, Director
  • Jack B. StrommenDirector
  • John S. RunyanDirector
  • Kent C. Roberts, IIDirector
  • Charles K. DarganExecutive Officer
  • Dennis P CalvertExecutive Officer, Director
Offering amount
$1.5M
Amount sold
$70K
Minimum investment
$20K
Proceeds to insiders
$300K
First sale
Jan 2019
Incorporated
Corporation, Delaware
Federal exemptions
04, 06b
Full filing on SEC EDGAR ↗
▶$100KraisedApr 2018 · 1 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Dennis E. MarshallDirector
  • John S. RunyanDirector
  • Kent C. Roberts, IIDirector
  • Joseph L. ProvenzanoExecutive Officer, Director
  • Dennis P CalvertExecutive Officer, Director
  • Kenneth R. CodeExecutive Officer, Director
  • Jack B. StrommenDirector
  • Charles K. DarganExecutive Officer
Offering amount
$1.5M
Amount sold
$100K
Minimum investment
$25K
Proceeds to insiders
$500K
First sale
Mar 2018
Incorporated
Corporation, Delaware
Federal exemptions
04, 06b
Full filing on SEC EDGAR ↗
▶$250KraisedAug 2017 · 2 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Charles K. DarganExecutive Officer
  • Kent C. Roberts, IIDirector
  • Joseph L. ProvenzanoExecutive Officer, Director
  • Jack B. StrommenDirector
  • John S. RunyanDirector
  • Kenneth R. CodeExecutive Officer, Director
  • Dennis P CalvertExecutive Officer, Director
  • Dennis E. MarshallDirector
Offering amount
$750K
Amount sold
$250K
Minimum investment
$100K
Proceeds to insiders
$250K
First sale
Jul 2017
Incorporated
Corporation, Delaware
Federal exemptions
04, 06b
Full filing on SEC EDGAR ↗
▶$217KraisedAug 2017 · 4 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Charles K. DarganExecutive Officer
  • Joseph L. ProvenzanoExecutive Officer, Director
  • Dennis P CalvertExecutive Officer, Director
  • Kenneth R. CodeExecutive Officer, Director
  • Jack B. StrommenDirector
  • John S. RunyanDirector
  • Dennis E. MarshallDirector
  • Kent C. Roberts, IIDirector
Offering amount
$1.5M
Amount sold
$217K
Minimum investment
$25K
Proceeds to insiders
$300K
First sale
Jun 2017
Incorporated
Corporation, Delaware
Federal exemptions
04, 06b
Full filing on SEC EDGAR ↗
▶$250KraisedJan 2017 · 2 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Joseph L. ProvenzanoExecutive Officer, Director
  • Kenneth R. CodeExecutive Officer, Director
  • Kent C. Roberts, IIDirector
  • Dennis P CalvertExecutive Officer, Director
  • Gary A. CoxDirector
  • John S. RunyanDirector
  • Charles K. DarganExecutive Officer
  • Dennis E. MarshallDirector
Offering amount
$250K
Amount sold
$250K
Minimum investment
$100K
First sale
Dec 2016
Incorporated
Corporation, Delaware
Federal exemptions
04, 06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Competitors · 2

by search overlap
BioLargo Energy Technologies3 shared keywordsBioLargo Energy Technologies addresses energy efficiency, on-site energy storage, water treatment, and contamination control as a subsidiary of publicly traded BioLargo, Inc., a cleantech and life sciences solutions provider.
Seeking Alpha3 shared keywordsSeeking Alpha is a financial research platform offering stock analysis, market news, investment ideas, and quantitative ratings across asset classes, drawing on a large community of contributing analysts. It serves individual and professional investors seeking research and data-driven insight on stocks and markets.

Companies competing with Biolargo for the same Google search keywords, organic and paid, via search-intersection analysis.

Non-dilutive funding · 1 SBIR/STTR award

Federal grants — no equity taken
AgencyPhaseYearAmount
Environmental Protection Agency (EPA)Phase I2019$99.8K

Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.

Frequently asked questions

What does Biolargo do?
BioLargo Engineering provides environmental engineering services, technology development, and manufacturing of patented water and air treatment products for industrial and commercial clients. The company serves sectors requiring environmental remediation, hazardous waste treatment, air quality management, and OSHA compliance solutions.
How much funding has Biolargo raised?
Biolargo has disclosed $4.9M raised across 15 rounds.
Where is Biolargo headquartered?
Biolargo is headquartered in Santa Ana, US.