---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-25-026503"
form_type: "8-K"
ticker: "AQMS"
cik: "0001621832"
company_name: "Aqua Metals, Inc."
filed_at: "2025-08-13T23:59:59+00:00"
generated_at: "2026-05-17T13:55:46.877359+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "medium"
source: SEC EDGAR
---

# Aqua Metals Q2 2025: best-in-class low-fluorine lithium carbonate, eliminates all long-term debt

## Summary
- Produced <30 ppm fluorine lithium carbonate, likely industry-best; 100 kg shipped for sampling to strategic counterparties.
- Completed $4.3M sale of Sierra ARC facility; eliminated all long-term debt, strengthening balance sheet.
- Cash increased to $1.9M from $1.6M quarter-start; extended runway via ELOC and cost reduction initiatives.
- Appointed Eric West as CFO (formerly VP Finance), completing CFO transition.
- Internal study shows U.S. AquaRefining is cost-competitive with Chinese methods at half traditional U.S. hydrometallurgical cost.

## SEC filing metadata
- accession: 0001437749-25-026503
- form_type: 8-K
- ticker: AQMS
- cik: 0001621832
- company_name: Aqua Metals, Inc.
- filed_at: 2025-08-13T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: medium
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1621832/000143774925026503/0001437749-25-026503-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1621832/000143774925026503/aqms20250527_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-25-026503
- JSON: https://secwatch.observer/filing/0001437749-25-026503.json
- Plain text: https://secwatch.observer/filing/0001437749-25-026503.txt

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