Form 4 Filing for Aqua Metals, Inc. - Officer Stock Transaction

This Form 4 filing details a stock transaction by Stephen Cotton, CEO of Aqua Metals, Inc. On July 1, 2026, Mr. Cotton disposed of 2,402 shares of common stock at a price of $2.97 per share. These shares were withheld to cover tax liabilities associated with the vesting of a previously reported restricted stock grant. Following this transaction, Mr. Cotton directly owns 217,271 shares. This total includes 81,522 shares underlying unvested restricted stock units (RSUs). The filing was signed on July 7, 2026, by Eric West, under power of attorney for Mr. Cotton.