---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-24-001796"
form_type: "8-K"
ticker: "BLGO"
cik: "0000880242"
company_name: "BIOLARGO, INC."
filed_at: "2024-01-22T23:59:59+00:00"
generated_at: "2026-06-06T20:53:40.883187+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# BioLargo Doubles Annual Revenues for Second Consecutive Year in 2023

## Summary
- 2023 annual revenues more than doubled 2022, driven by Pooph pet odor control product sales.
- Pooph sold through Amazon, Walmart, Chewy; BioLargo is technology partner to Pooph, Inc.
- Expects first PFAS treatment technology revenues in 2024 after securing a municipal drinking water project.
- Preliminary 2023 revenue estimates subject to audit; annual report expected by end of March.

## SEC filing metadata
- accession: 0001437749-24-001796
- form_type: 8-K
- ticker: BLGO
- cik: 0000880242
- company_name: BIOLARGO, INC.
- filed_at: 2024-01-22T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/880242/000143774924001796/0001437749-24-001796-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/880242/000143774924001796/blgo20240121_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-24-001796
- JSON: https://secwatch.observer/filing/0001437749-24-001796.json
- Plain text: https://secwatch.observer/filing/0001437749-24-001796.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.