X0306 4 2022-01-13 0 0001378950 CarParts.com, Inc. PRTS 0001761840 Peker Lev 2050 W. 190TH STREET, SUITE 400 TORRANCE CA 90504 1 1 0 0 Chief Executive Officer Common Stock 2022-01-13 4 M 0 25691 0 A 1078348 D Common Stock 38869 I By IRA Common Stock 56000 I By Spouse's IRA Restricted Stock Units 2022-01-13 4 M 0 25691 0 D Common Stock 25691 51382 D The Restricted Stock Units (RSU) were granted to the Reporting Person on January 13, 2021 under the CarParts.com, Inc. 2016 Equity Incentive Plan. Thirty-three and a third percent of the shares of stock subject to the RSU vested on January 13, 2022, the first anniversary of the grant date, and the remainder of the shares subject to the RSU vest in equal installments on each of the next two anniversaries of the grant date, subject to such Reporting Person's service to the Company through such dates. Not applicable. /s/ Lev Peker 2022-01-14