IPO Journey

BIOLARGO, INC.

IPO Date: April 17, 2026 · 6 filings tracked

Final Offer Terms

Ticker

BLGO

Exchange

OTCQX Best Market

Shares Offered

30,000,000

Underwriters

Led by Clearthink Capital Partners, LLC

424B4 Material Update

April 25, 2025

Diverse technology portfolio spanning PFAS water remediation, odor control, and antimicrobial wound care.
Flagship 'CupriDyne Clean' product provides established revenue stream in the waste management sector.

424B4 Material Update

June 11, 2025

Diversified environmental technology portfolio including water treatment, odor control, and air filtration.
Proprietary AEC system technology specifically designed to remove 'forever chemicals' (PFAS) from water.

Changes from previous filing

S-1

April 9, 2026

Diverse technology portfolio spanning odor control, water treatment, and energy storage
Proprietary AEC system achieves 99% success rate in removing PFAS 'forever chemicals'

Changes from previous filing

S-1

April 9, 2026

Innovative technology portfolio targeting high-demand sectors like PFAS water remediation.
Diversified revenue streams including product sales, engineering services, and future licensing royalties.

424B4 Material Update

April 17, 2026

Innovative 'problem-solving lab' model targeting high-demand sectors like PFAS water remediation.
Diverse portfolio of proprietary technologies, including the Aqueous Electrostatic Concentrator (AEC) and Cellinity™ liquid sodium batteries.

Changes from previous filing

424B4 Final Pricing

April 17, 2026

Diversified technology incubator spanning environmental, medical, and battery sectors.
Proprietary AEC technology targeting the high-demand PFAS 'forever chemicals' market.

Changes from previous filing

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