---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-25-010183"
form_type: "8-K"
ticker: "AQMS"
cik: "0001621832"
company_name: "Aqua Metals, Inc."
filed_at: "2025-03-31T23:59:59+00:00"
generated_at: "2026-05-24T01:52:44.299510+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Aqua Metals reports 2024 milestones: validated Li AquaRefining, raised $15M, advanced Sierra ARC

## Summary
- Li AquaRefining pilot achieved >99% recovery of lithium, cobalt, nickel with 83% lower CO2 emissions.
- Produced >600 lbs of >99.5% pure battery-grade lithium carbonate; supplied to CAM producers.
- Raised ~$15M in equity and $1.5M bridge financing; $2.2M Nevada tax abatement received.
- Signed long-term supply agreement with 6K Energy for domestic cathode recycled content.
- Sierra ARC Phase One facility ready for equipment installation; commercialization subject to additional financing.

## SEC filing metadata
- accession: 0001437749-25-010183
- form_type: 8-K
- ticker: AQMS
- cik: 0001621832
- company_name: Aqua Metals, Inc.
- filed_at: 2025-03-31T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1621832/000143774925010183/0001437749-25-010183-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1621832/000143774925010183/aqms20250331_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-25-010183
- JSON: https://secwatch.observer/filing/0001437749-25-010183.json
- Plain text: https://secwatch.observer/filing/0001437749-25-010183.txt

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