X0508 4 2025-06-11 0001757715 Aterian, Inc. ATER 0001354895 Rodriguez Arturo 350 SPRINGFIELD AVENUE SUITE #200 SUMMIT NJ 07901 1 1 Chief Executive Officer 0 Common Stock 2025-06-11 4 A 0 481817 1.39 A 1013405 D Common Stock 2025-06-12 4 S 0 46052 1.32 D 967353 D Common Stock 2025-06-13 4 S 0 6205 1.23 D 961148 D Comprised of shares of restricted common stock granted pursuant to the Issuer's 2018 Equity Incentive Plan that are subject to vesting. The shares were sold by the Reporting Person for tax related purposes. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.31 to $1.35, inclusive. The reporting person undertakes to provide Aterian, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.22 to $1.23, inclusive. The reporting person undertakes to provide Aterian, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein in this footnote. /s/ Arturo Rodriguez 2025-06-13