Form 4 Filing for Aterian, Inc.

This filing details a transaction by Arturo Rodriguez, Chief Executive Officer and Director of Aterian, Inc. On May 21, 2026, Mr. Rodriguez acquired 70,000 shares of Common Stock under the Issuer's 2018 Equity Incentive Plan. This grant was made outside the regular annual equity cycle for retention purposes and is subject to vesting. The transaction code is 'A' and the acquisition code is also 'A', indicating an acquisition of shares. Following this transaction, Mr. Rodriguez holds 1,081,148 shares of Common Stock. The price per share was $0.0, typical for equity grants. This transaction is classified as direct ownership.