Eric West - 19 May 2026 Form 4 Insider Report for Aqua Metals, Inc. (AQMS)

Reporting relationship: Chief Financial Officer
Issuer ticker: AQMS
Reported as of: 19 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 20 May 2026, 16:11:24 UTC
Prior SEC filing: 15 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Eric West

Key filing fact

Eric West filed Form 4 for Aqua Metals, Inc. (AQMS) on 20 May 2026.

Key facts

This page summarizes Eric West's Form 4 filing for Aqua Metals, Inc. (AQMS).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 20 May 2026, 16:11.

Change

Previous filing in this sequence was filed on 15 Apr 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002070093 Primary reporting owner

West Eric

Relationship: Chief Financial Officer
Address: 5370 KIETZKE LN, SUITE 201, RENO
Signature: /s/ Eric West
Signature date: 20 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AQMS transaction

Common Stock

Tax liability

Transaction value
Shares: -721
Change %: -1.1%
Price: $3.91^*
Shares after: 64,337
Date: 19 May 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents the number of shares withheld and returned to the plan to cover the tax liability of the May 19, 2026 vesting of a previously reported restricted share grant represented in Table I.

Footnote F2

Includes 31,102 shares underlying restricted stock units ("RSUs") that are not yet vested and deliverable.