AQMS Form 4: CFO Eric West now holds 38,745 company shares

Rhea-AI Filing Summary

Aqua Metals, Inc. (AQMS) Chief Financial Officer Eric West reported an insider transaction on a Form 4. On 11/20/2025, 720 shares of common stock were withheld and returned to the company’s equity plan to cover taxes owed on the vesting of a previously reported restricted share grant. After this tax-withholding transaction, West beneficially owned 38,745 shares of Aqua Metals common stock, including 37,703 shares underlying restricted stock units that have not yet vested or been delivered.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

West Eric

(Last) (First) (Middle)

5370 KIETZKE LN

SUITE 201

(Street)

RENO NV 89511

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Aqua Metals, Inc. [ AQMS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
11/20/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/20/2025		F		720(1)	D	$9.8	38,745(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents the number of shares withheld and returned to the plan to cover the tax liability of the November 20, 2025 vesting of a previously reported restricted share grant represented in Table I.

2. Includes 37,703 shares underlying restricted stock units ("RSUs") that are not yet vested and deliverable.

	/s/ Eric West	11/24/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Aqua Metals (AQMS) report for its CFO?

The CFO, Eric West, reported a Form 4 transaction where 720 Aqua Metals common shares were withheld on 11/20/2025 to cover taxes on a vesting restricted share grant.

Why were 720 Aqua Metals (AQMS) shares withheld from the CFO?

The 720 shares were withheld and returned to the company’s equity plan to satisfy the tax liability related to the November 20, 2025 vesting of a previously reported restricted share grant.

How many Aqua Metals (AQMS) shares does the CFO own after this Form 4 transaction?

After the transaction, CFO Eric West beneficially owned 38,745 shares of Aqua Metals common stock, as reported on the Form 4.

How many unvested RSUs does the Aqua Metals (AQMS) CFO hold?

The Form 4 states that the total includes 37,703 shares underlying restricted stock units (RSUs) that are not yet vested and deliverable.

What is the role of the reporting person in Aqua Metals (AQMS)?

The reporting person, Eric West, is identified as an officer of Aqua Metals, Inc., serving as the company’s Chief Financial Officer.

Is the reported Aqua Metals (AQMS) Form 4 filed by more than one person?

No. The filing indicates that it is a Form filed by one reporting person, specifically CFO Eric West.