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CIK 0001621832 · Non-accelerated filer<br>Smaller reporting company

Aqua Metals, Inc.

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Ticker
AQMS
Exchange
Nasdaq
Industry
Secondary Smelting & Refining of Nonferrous Metals
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
471169572
Phone
(775) 525-1936
Business address
2500 PERU DR., MCCARRAN, NV, 89437
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-04-13 Cotton Stephen Chief Executive Officer Shares withheld for taxes −2,352 $3.92 $9K 219,673
2026-02-24 Cotton Stephen Chief Executive Officer Shares withheld for taxes −3,307 $4.76 $16K 222,025
2026-02-24 Taecker Benjamin S. Chief Eng and Opr Officer Shares withheld for taxes −1,006 $4.76 $5K 58,780
2026-02-24 West Eric Chief Financial Officer Shares withheld for taxes −1,214 $4.76 $6K 65,921
2026-02-13 West Eric Chief Financial Officer Grant or award +28,390 $4.72 $134K 67,135
2026-02-13 Cotton Stephen Chief Executive Officer Grant or award +79,873 $4.72 $377K 225,332
2026-02-13 Taecker Benjamin S. Chief Eng and Opr Officer Grant or award +23,306 $4.72 $110K 59,786
2026-01-07 Taecker Benjamin S. Chief Eng and Opr Officer Returned to the company −13 36,480
2026-01-07 Taecker Benjamin S. Chief Eng and Opr Officer Returned to the company · Performance Share Units −443 0
2026-01-07 Taecker Benjamin S. Chief Eng and Opr Officer Returned to the company · Performance Share Units −443 0
2026-01-07 Taecker Benjamin S. Chief Eng and Opr Officer Returned to the company · Performance Share Units −443 0
2026-01-07 Taecker Benjamin S. Chief Eng and Opr Officer Returned to the company · Performance Share Units −1,329 0
2026-01-07 Cotton Stephen Chief Executive Officer Returned to the company −2,100 145,459
2026-01-07 Cotton Stephen Chief Executive Officer Returned to the company · Performance Share Units −1,510 0
2026-01-07 Cotton Stephen Chief Executive Officer Returned to the company · Performance Share Units −1,510 0
2026-01-07 Cotton Stephen Chief Executive Officer Returned to the company · Performance Share Units −1,510 0
2026-01-07 Cotton Stephen Chief Executive Officer Returned to the company · Performance Share Units −4,530 0
2026-01-02 Cotton Stephen Chief Executive Officer Shares withheld for taxes −3,208 $4.80 $15K 147,559
2026-01-02 Taecker Benjamin S. Chief Eng and Opr Officer Shares withheld for taxes −979 $4.80 $5K 36,493
2025-12-18 Cotton Stephen Chief Executive Officer Grant or award +14,749 157,014

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