Form 8-K

8-K — Aqua Metals, Inc.

Accession: 0001437749-26-028733

Filed: 2026-08-21

Period: 2026-08-18

CIK: 0001621832

SIC: 3341 (SECONDARY SMELTING & REFINING OF NONFERROUS METALS)

Item: Submission of Matters to a Vote of Security Holders

Documents

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2026-08-18

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): August 18, 2026

AQUA METALS, INC.

(Exact Name of Registrant as Specified in Its Charter)

Delaware

001-37515

47-1169572

(State or Other Jurisdiction of

Incorporation)

(Commission File Number)

(I.R.S. Employer Identification

Number)

5370 Kietzke Lane, Suite 201

Reno, Nevada 89511

(Address of principal executive offices)

(775) 446-4418

(Registrant’s telephone number, including area code)

(Former name or former address, if changed since last report)

Securities registered pursuant to Section 12(b)of the Act:

Title of each class

Common stock: Par value $.001

Trading Symbol(s)

AQMS

Name of each exchange on which

registered

Nasdaq Capital Market

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligations of the registrant under any of the following provisions.

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14d-2(b)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.07. Submission of Matters To a Vote of Security Holders

We held an annual meeting of stockholders on August 18, 2026, for purposes of:

●

Electing four directors, each to serve until our 2027 Annual Meeting of Stockholders and until his successor is duly elected and qualified;

●

Approving an amendment to our 2019 Stock Incentive Plan to increase the number of shares of common stock reserved under the plan by 750,000 shares;

●

Ratifying the appointment of Forvis Mazars, LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026; and

●

Approving, on an advisory basis, the compensation of the Company’s named executive officers, as disclosed in our 2026 Proxy Statement.

All of the persons nominated to serve on our board of directors, namely Stephen Cotton, Vincent L. DiVito, Eric J. Gangloff and Steven K. Henderson, were elected to our board of directors, with shares voted as follows:

Shares voted for

Shares withheld

Stephen Cotton

577,985

38,482

Vincent L. DiVito

529,404

87,063

Eric J. Gangloff

564,237

52,230

Steven K. Henderson

567,937

48,530

There were 1,046,551 broker non-votes in the election of directors.

Our stockholders approved an amendment to our 2019 Stock Incentive Plan to increase the number of shares of common stock reserved under the plan by 750,000 shares, with shares voted as follows:

Shares voted for

345,976

Shares against

266,657

Shares abstaining

3,834

There were 1,046,551 broker non-votes with respect to the amendment to our 2019 Stock Incentive Plan.

Our stockholders ratified the appointment of Forvis Mazars, LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026, with shares voted as follows:

Shares voted for

1,618,508

Shares against

29,482

Shares abstaining

15,028

There were no broker non-votes with respect to the ratification of the appointment of Forvis Mazars, LLP.

Our stockholders approved, on an advisory basis, the compensation of the Company’s named executive officers, as disclosed in our 2026 Proxy Statement, with shares voted as follows:

Shares voted for

509,510

Shares against

96,548

Shares abstaining

10,409

There were 1,046,551 broker non-votes with respect to the advisory vote on the compensation of the Company’s named executive officers.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

AQUA METALS, INC.

Dated: August 21, 2026

/s/ Eric West

Eric West

Chief Financial Officer

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Entity, Address, State or Province

Entity, Address, Postal Zip Code

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Local Phone Number

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