Biolargo, INC. Stock: price and insider trades · United States · SEC (Form 4)Track the Biolargo, INC. share price and the full directors' dealings record of the company, a publicly traded company based in United States. Shares are listed on the US market, under the authority of SEC (Form 4). Operating in the Chemicals sector, Biolargo, INC. has recorded 25 reports. Market capitalisation: €35.3m. The latest transaction was disclosed on 7 July 2026 (Attribution). Among the most active insiders: CODE KENNETH REAY. All data is openly available.
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Last declaration on 7 July 2026
All Executives25 Thresholds0 Prospectus0 Other0
Declarations 25 total
◆ Chief Science Officer · Executives · 7 Jul 2026
532,567 shares @ US$0.1135 0.17% mcap 28.6% of flow Common Stock SEC:0001437749-26-022951:0
◆ President · Executives · 30 Jun 2026
699,569 shares Common Stock SEC:0001437749-26-022659:0
◆ President · Executives · 1 Jul 2026
219,914 shares Common Stock SEC:0001437749-26-022659:1
◆ Chief Science Officer · Executives · 31 Mar 2026
69,444 shares @ US$0.162 5.0% of flow Common Stock SEC:0001437749-26-011170:0
◆ Chief Science Officer · Executives · 31 Dec 2025
54,803 shares @ US$0.1843 3.3% of flow Common Stock SEC:0001437749-26-000429:0
◆ President · Executives · 31 Dec 2025
130,222 shares @ US$0.1843 12.5% of flow Common Stock SEC:0001437749-26-000421:0
◆ President · Executives · 14 Nov 2025
310,269 shares @ US$0.16 29.9% of flow Common Stock SEC:0001437749-25-035493:0
◆ Chief Science Officer · Executives · 14 Nov 2025
313,754 shares @ US$0.16 16.9% of flow Common Stock SEC:0001437749-25-035504:0
◆ Chief Science Officer · Executives · 14 Jul 2025
181,253 shares @ US$0.20 14.6% of flow Common Stock SEC:0001437749-25-022850:0
◆ President · Executives · 14 Jul 2025
169,498 shares @ US$0.20 29.0% of flow Common Stock SEC:0001437749-25-022851:0
◆ Chief Science Officer · Executives · 31 Dec 2024
57,666 shares @ US$0.19 8.0% of flow Common stock SEC:0001437749-25-000351:0
◆ Chief Science Officer · Executives · 31 Dec 2023
72,621 shares @ US$0.168 8.4% of flow Common stock SEC:0001437749-24-000496:0
◆ President · Executives · 31 Dec 2023
50,557 shares @ US$0.168 10.8% of flow Common stock SEC:0001437749-24-000493:0
◆ Chief Science Officer · Executives · 30 Sept 2023
19,010 shares @ US$0.1657 2.3% of flow Common stock SEC:0001437749-23-027572:0
◆ President · Executives · 24 Jul 2023
50,553 shares @ US$0.179 11.5% of flow Common stock SEC:0001437749-23-020751:0
◆ Chief Science Officer · Executives · 30 Jun 2023
68,541 shares @ US$0.178 8.5% of flow Common stock SEC:0001437749-23-019410:0
◆ Chief Science Officer · Executives · 31 Mar 2023
30,747 shares @ US$0.2049 4.4% of flow Common stock SEC:0001437749-23-009344:0
◆ Chief Science Officer · Executives · 3 Oct 2022
167,781 shares @ US$0.27 34.9% of flow Common stock SEC:0001437749-22-023721:0
◆ President · Executives · 3 Oct 2022
100,549 shares @ US$0.27 38.8% of flow Common stock SEC:0001437749-22-023722:0
◆ President · Executives · 7 Jul 2022
156,111 shares @ US$0.18 38.9% of flow Common stock SEC:0001437749-22-016872:0
◆ Chief Science Officer · Executives · 30 Jun 2022
107,784 shares @ US$0.18 14.0% of flow Common stock SEC:0001437749-22-016650:0
◆ Chief Science Officer · Executives · 31 Dec 2021
15,000 shares @ US$0.21 0.0048% mcap 10.8% of flow Common stock SEC:0001437749-22-000330:0
● President · Executives · 30 Dec 2021
156,000 shares Common stock SEC:0001437749-21-029527:0
◆ Chief Science Officer · Executives · 5 Oct 2021
61,842 shares @ US$0.19 3.8% of flow Common stock SEC:0001437749-21-023395:0
◆ Secretary · Executives · 31 Dec 2015
20,686 shares Common Stock SEC:0001437749-16-023154:0
关于 Biolargo, INC. BioLargo, Inc.(股票代码:BLGO)是一家总部位于美国的上市公司,其股票在 OTCQX 市场报价;它未在纽约证券交易所或纳斯达克上市,但通常被分析为一家小型清洁技术平台,高度重视知识产权和商业化风险。该公司总部位于加利福尼亚州威斯敏斯特,在特拉华州注册成立,并在多个地点运营,包括威斯敏斯特、田纳西州橡树岭、加拿大艾伯塔省和佛罗里达州坦帕。其业务范围反映了将环境技术、工业产品和早期生命科学资产相结合的业务。([sec.gov](https://www.sec.gov/Archives/edgar/data/880242/000143774925010172/blgo20241231_10k.htm))
BioLargo 的战略围绕开发、保护和商业化专有技术,而不是作为一家广泛的工业集团进行竞争。根据其 SEC 文件,该公司报告了六个运营业务部门以及公司职能。最引人注目的业务是 ONM Environmental,销售气味和挥发性有机化合物控制产品及相关服务;BioLargo Equipment Solutions & Technologies,提供水处理解决方案;Clyra Medical,其医疗产品部门;以及与能源和环境应用相关的其他技术工作。这种结构使 BioLargo 能够接触多个终端市场,但这也意味着投资者应将该公司视为项目组合,而非单一成熟的运营特许经营权。([sec.gov](https://www.sec.gov/Archives/edgar/data/880242/000143774925010172/blgo20241231_10k.htm))
从竞争角度来看,BioLargo 将自己定位为环境修复和气味控制领域的利基创新者。其旗舰商业产品 CupriDyne Clean 用于工业气味控制,该公司将其描述为市场上性能第一的气味控制产品。在水处理方面,BioLargo 的水性静电浓缩器 (AEC) 旨在以比碳过滤、离子交换和反渗透等常见替代方案更低的运营成本和更少的废物去除水中的 PFAS。该公司还提到了相邻技术,如用于水回用和循环的 AROS,以及用于微污染物处理和节能消毒的 AOS。([sec.gov](https://www.sec.gov/Archives/edgar/data/880242/000143774925010172/blgo20241231_10k.htm))
在地理上,BioLargo 主要仍是北美公司。其加利福尼亚总部也设有制造部门,而研发和工程能力则分布在加拿大和田纳西州。在医疗保健方面,Clyra Medical 位于佛罗里达州坦帕。这种地理组合支持了跨境研发模式,但也突显了该公司相对适度的规模以及对多个技术要求高的项目执行的依赖。([sec.gov](https://www.sec.gov/Archives/edgar/data/880242/000143774925010172/blgo20241231_10k.htm))
近期发展对股权故事尤为重要。2025 年,BioLargo 报告了内部和第三方测试结果,显示其 AEC 技术可去除超过 99% 的超短链 PFAS,包括 TFA。它还通过 Verralize 启动了便携式 PFAS 水测试套件的初步测试。2026 年 2 月,Clyra Medical 收到了 ViaCLYR 的首个商业备货订单,ViaCLYR 被描述为 FDA 批准的伤口冲洗液,标志着早期创收里程碑。2025 年 9 月,BioLargo 表示,在合同违约和未付款项后,它撤销了授予 Pooph 的技术许可,这突显了技术许可的优势以及随之而来的法律/收款风险。([biolargo.com](https://www.biolargo.com/post/biolargo-demonstrates-over-99-removal-of-ultrashort-chain-pfas-including-tfa-using-aqueous-electros))
总的来说,BioLargo 应被视为一家具有显著选择性但执行风险高、持续商业化需求大且商业模式仍依赖于将技术验证转化为可扩展收入的美国清洁技术和生命科学微型公司。