Biolargo
OTC: BLGOSanta Ana, US · Delaware corporation
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.
Founders & leadership
Board
Reported raises · per SEC filings
Form D private placements$4.9M disclosed across 15 rounds · 2011–2023
▶$815KraisedJan 2024 · 17 investors · OtherRule 506(b)
- 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
▶$726KraisedMay 2022 · 4 investors · OtherRule 506(b)
- 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
▶$200KraisedMay 2019 · 1 investors · OtherRule 506(b)
- 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
▶$70KraisedJan 2019 · 2 investors · OtherRule 506(b)
- 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
▶$100KraisedApr 2018 · 1 investors · OtherRule 506(b)
- 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
▶$250KraisedAug 2017 · 2 investors · OtherRule 506(b)
- 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
▶$217KraisedAug 2017 · 4 investors · OtherRule 506(b)
- 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
▶$250KraisedJan 2017 · 2 investors · OtherRule 506(b)
- 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
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 2
by search overlapCompanies 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| Agency | Phase | Year | Amount |
|---|---|---|---|
| Environmental Protection Agency (EPA) | Phase I | 2019 | $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.
