Form 4 Filing for Aqua Metals, Inc.

This filing details transactions by Eric West, Chief Financial Officer of Aqua Metals, Inc. On October 13, 2026, West acquired 12,583 shares of Common Stock through restricted stock units (RSUs) granted under the Company's 2026 Long Term Incentive Program. These RSUs are non-cash awards that will vest and be settled over three years, subject to continued service. Additionally, 863 shares were withheld to cover tax obligations arising from the vesting of previously reported RSUs. Following these transactions, West owns 112,196 shares. The filing also notes that 76,137 shares underlying RSUs are not yet vested.