Aqua Metals awards 30,958 RSUs to executive

Aqua Metals, Inc. (AQMS) reported that officer Benjamin S. Taecker, Chief Engineering and Operating Officer, received an equity compensation grant of 30,958 restricted stock units (RSUs) on 2026-08-24.

Rhea-AI Filing Summary

Aqua Metals, Inc. (AQMS) reported that officer Benjamin S. Taecker, Chief Engineering and Operating Officer, received an equity compensation grant of 30,958 restricted stock units (RSUs) on 2026-08-24. These RSUs, granted as non-cash stock awards under the 2026 Long Term Incentive Program, will vest in six equal semi-annual installments over three years, subject to his continued service. Each RSU converts into one share of common stock upon vesting. Following this grant, Taecker’s reported direct holdings total 87,274 shares, including 53,312 unvested RSUs.

Insider Trade Summary

Grant/Award: 30,958 shares

Grant/Award 1 txn

Insider Taecker Benjamin S.

Role Chief Eng and Opr Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1, F2	30,958	$0.00	$0.00

Holdings After Transaction: Common Stock — 87,274 shares (Direct)

Footnotes (2)

1. F1. Represents 30,958 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.
2. F2. Includes 53,312 shares underlying restricted stock units ("RSUs") that are not yet vested and deliverable.

Key Figures

RSUs granted: 30,958 RSUs Transaction price per share: $0.00 per share Shares following transaction: 87,274 shares +2 more

5 metrics

RSUs granted 30,958 RSUs Equity award to Benjamin S. Taecker on 2026-08-24 under 2026 Long Term Incentive Program

Transaction price per share $0.00 per share Reported grant/award acquisition price for 30,958 RSUs

Shares following transaction 87,274 shares Total direct holdings reported for Benjamin S. Taecker after the RSU grant

Unvested RSUs included in holdings 53,312 shares underlying RSUs Unvested and not yet deliverable RSUs included in post-transaction holdings

Vesting schedule Six equal semi-annual installments over three years Vesting terms for the 30,958 RSUs granted to Taecker

Key Terms

restricted stock units ("RSUs"), Long Term Incentive Program, non-cash stock awards

3 terms

restricted stock units ("RSUs") financial

"Represents 30,958 shares underlying restricted stock units ("RSUs") that are not yet vested"

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

Long Term Incentive Program financial

"These RSUs have been granted under the Company's 2026 Long Term Incentive Program"

A long term incentive program is a multi-year pay plan that gives key employees stock, stock options or cash rewards only if the company meets predefined performance goals or the employees stay with the company. It matters to investors because it aligns managers’ decisions with shareholder interests, affects future earnings through compensation costs and potential share dilution, and signals how leadership is being motivated to grow the business—like a multi-year bonus tied to the company’s scoreboard.

non-cash stock awards financial

"under the Company's 2026 Long Term Incentive Program as non-cash stock awards"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Aqua Metals (AQMS) disclose about Benjamin S. Taecker in this Form 4?

The filing reports that Benjamin S. Taecker, Chief Engineering and Operating Officer, received a grant of 30,958 RSUs on 2026-08-24 under Aqua Metals’ 2026 Long Term Incentive Program as a non-cash stock award.

How many Aqua Metals (AQMS) RSUs were granted to Benjamin S. Taecker and on what terms?

Taecker was granted 30,958 RSUs. The RSUs will vest and be settled in six equal semi-annual installments over a three-year period, subject to his continued service, with each RSU entitling him to receive one share of Aqua Metals common stock upon vesting.

Does Aqua Metals (AQMS) Form 4 show a purchase or a compensation award for Benjamin S. Taecker?

The Form 4 shows a compensation-related award, coded as a “Grant, award, or other acquisition” (Code A), of 30,958 RSUs at a reported price of $0.00 per share, rather than an open-market purchase.

What are Benjamin S. Taecker’s total reported Aqua Metals (AQMS) holdings after this Form 4 transaction?

After the award, Taecker’s reported direct holdings total 87,274 shares of Aqua Metals common stock. This figure includes 53,312 shares underlying RSUs that are not yet vested and deliverable.

How many unvested RSUs does Benjamin S. Taecker hold in Aqua Metals (AQMS) after this grant?

The filing states that his post-transaction holdings include 53,312 shares underlying RSUs that are not yet vested and deliverable, reflecting his outstanding unvested restricted stock unit awards.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/26/2026 - 04:07 PM EDT Accepted by SEC EDGAR 08/26/2026 - 04:06 PM EDT Learn about SEC filing dates

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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Taecker Benjamin S.

(Last) (First) (Middle)

5370 KIETZKE LN

SUITE 201

(Street)

RENO NEVADA 89511

(City) (State) (Zip)

UNITED STATES

(Country)

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 Eng and Opr Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/24/2026

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

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

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

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	08/24/2026		A(1)		30,958	A	$0	87,274(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 30,958 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.

2. Includes 53,312 shares underlying restricted stock units ("RSUs") that are not yet vested and deliverable.

	/s/ Eric West, by power of attorney	08/26/2026
	** 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.
* Form 4: SEC 1474 (03-26)