---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-24-016762"
form_type: "8-K"
ticker: "BLGO"
cik: "0000880242"
company_name: "BIOLARGO, INC."
filed_at: "2024-05-15T23:59:59+00:00"
generated_at: "2026-06-01T23:57:21.215100+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# BioLargo reports record Q1 revenue, positive operating cash flow of $481K

## Summary
- Q1 2024 revenue $4.76M, up 28% YoY and 9% QoQ; generated $481K positive operating cash flow.
- Net loss $775K including $623K non-cash equity comp; stockholder's equity rose from $4.2M to $5.1M.
- Launched water equipment subsidiary for PFAS treatment; appointed Sally Gutierrez, Jeffrey Kightlinger, Larry Dick to board.
- EPA finalized PFAS regulations expected to favor BioLargo's treatment technology due to high efficacy and low waste.

## SEC filing metadata
- accession: 0001437749-24-016762
- form_type: 8-K
- ticker: BLGO
- cik: 0000880242
- company_name: BIOLARGO, INC.
- filed_at: 2024-05-15T23:59:59+00:00
- event_type: earnings
- 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/880242/000143774924016762/0001437749-24-016762-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/880242/000143774924016762/blgo20240514_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-24-016762
- JSON: https://secwatch.observer/filing/0001437749-24-016762.json
- Plain text: https://secwatch.observer/filing/0001437749-24-016762.txt

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