Form 4 Filing for Aqua Metals, Inc.

Benjamin S. Taecker, Chief Eng and Opr Officer of Aqua Metals, Inc. (AQMS), reported a disposition of 744 shares of Common Stock on July 1, 2026. The transaction, coded as 'F', involved shares withheld to cover tax liabilities from a previous restricted share grant. The sale price was $2.97 per share, resulting in 57,321 shares owned after the transaction. This post-transaction total includes 24,727 shares underlying unvested restricted stock units (RSUs). The filing was signed by Eric West, by power of attorney, on July 7, 2026.