Stephen Cotton - 24 Aug 2026 Form 4 Insider Report for Aqua Metals, Inc. (AQMS)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: AQMS
Reported as of: 24 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 26 Aug 2026, 16:07:04 UTC
Prior SEC filing: 21 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Eric West, by power of attorney

Key filing fact

Stephen Cotton filed Form 4 for Aqua Metals, Inc. (AQMS) on 26 Aug 2026.

Key facts

This page summarizes Stephen Cotton's Form 4 filing for Aqua Metals, Inc. (AQMS).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 26 Aug 2026, 16:07.

Change

Previous filing in this sequence was filed on 21 Aug 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 0001649322 Primary reporting owner

Cotton Stephen

Relationship: Chief Executive Officer, Director
Address: 5370 KIETZKE LN, SUITE 201, RENO
Signature: /s/ Eric West, by power of attorney
Signature date: 26 Aug 2026

Reported non-derivative transactions

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

AQMS transaction

Common Stock

Award

Transaction value
Shares: +104,818
Change %: +49%
Price: $0.000000^*
Shares after: 318,784
Date: 24 Aug 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 104,818 shares underlying restricted stock units ("RSUs") that are not yet vested and deliverable. The RSUs will vest and be settled in six equal semi-annual installments over a three-year period, subject to the Reporting Person's continuation of service with the Company. These RSUs have been granted under the Company's 2026 Long Term Incentive Program as non-cash stock awards. Each RSU shall entitle its holder to receive one share of Common Stock of the issuer.

Footnote F2

Includes 178,536 shares underlying restricted stock units ("RSUs") that are not yet vested and deliverable.