---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-26-030124"
form_type: "8-K"
ticker: "BLGO"
cik: "0000880242"
company_name: "BIOLARGO, INC."
filed_at: "2026-09-11T14:38:02+00:00"
generated_at: "2026-09-11T14:39:10.999508+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "low"
source: SEC EDGAR
---

# BioLargo presents Sept 10 investor webcast deck; slide figures not extractable

## Summary
- BioLargo presented an investor presentation deck at a Sept 10, 2026 webcast conference; no financial results announced in the filing text.
- Exhibit 99.1 slide content is image-only here, so specific numbers, products, or forecasts could not be extracted.
- Filing signed by President and CEO Dennis P. Calvert; BLGO common stock continues to trade on OTCQX.

## SEC filing metadata
- accession: 0001437749-26-030124
- form_type: 8-K
- ticker: BLGO
- cik: 0000880242
- company_name: BIOLARGO, INC.
- filed_at: 2026-09-11T14:38:02+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: low
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/880242/000143774926030124/0001437749-26-030124-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/880242/000143774926030124/blgo20260910_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-26-030124
- JSON: https://secwatch.observer/filing/0001437749-26-030124.json
- Plain text: https://secwatch.observer/filing/0001437749-26-030124.txt

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