X0508 4 2026-01-07 0001621832 Aqua Metals, Inc. AQMS 0001879186 Taecker Benjamin S. 5370 KIETZKE LN SUITE 201 RENO NV 89511 1 Chief Eng and Opr Officer 0 Common Stock 2026-01-07 4 D 0 13 0 D 36480 D Performance Share Units 0 2026-01-07 4 D 0 443 0 D 2025-12-31 2025-12-31 Common Stock 443 0 D Performance Share Units 0 2026-01-07 4 D 0 443 0 D 2026-12-31 2026-12-31 Common Stock 443 0 D Performance Share Units 0 2026-01-07 4 D 0 443 0 D 2027-12-31 2027-12-31 Common Stock 443 0 D Performance Share Units 0 2026-01-07 4 D 0 1329 0 D 2027-12-31 2027-12-31 Common Stock 1329 0 D Represents voluntary agreement to forfeit and cancel unvested restricted stock units ("RSUs") previously granted and reported on Table I. Includes 30,543 shares underlying restricted stock units ("RSUs") that are not yet vested and deliverable. Represents voluntary agreement to forfeit and cancel all outstanding performance stock units ("PSUs") previously granted and reported on Table II. /s/ Eric West, by power of attorney 2026-01-09