---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-22-013035"
form_type: "8-K"
ticker: "BLGO"
cik: "0000880242"
company_name: "BIOLARGO, INC."
filed_at: "2022-05-19T23:59:59+00:00"
generated_at: "2026-06-25T09:36:57.841880+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# BioLargo reports record Q1 revenue of $965k; ONM subsidiary turns first profitable quarter

## Summary
- Record company-wide Q1 revenue $965k (+69% YoY); ONM Environmental revenue $598k (+87%) with $13k operating profit (first profitable quarter).
- Engineering subsidiary revenue $355k (+177% YoY); operating loss narrowed to $35k from $183k.
- PFAS AEC solution: in-house pilot completed; commercial trial with SoCal municipal agency planned; customer pipeline potentially >$90M.
- Garratt-Callahan minimal liquid discharge system passed factory acceptance testing; commercial rollout to begin.
- Engineering subsidiary hired for waste-to-energy plant feasibility study in South America; project cost >$500M; engineering portion ~10%.

## SEC filing metadata
- accession: 0001437749-22-013035
- form_type: 8-K
- ticker: BLGO
- cik: 0000880242
- company_name: BIOLARGO, INC.
- filed_at: 2022-05-19T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/880242/000143774922013035/0001437749-22-013035-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/880242/000143774922013035/blgo20220519_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-22-013035
- JSON: https://secwatch.observer/filing/0001437749-22-013035.json
- Plain text: https://secwatch.observer/filing/0001437749-22-013035.txt

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