X0508 4 2026-01-02 0001378950 CarParts.com, Inc. PRTS 0001956633 Huffaker Michael 2050 W. 190TH STREET, SUITE 400 TORRANCE CA 90504 true Chief Operating Officer false Common Stock 2026-01-02 4 M 0 46666 0 A 353684 D Common Stock 2026-01-02 4 M 0 50000 0 A 403684 D The Restricted Stock Awards (RSAs) were granted to the Reporting Person on January 2, 2025 pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan. Thirty-three and a third percent of the shares of stock subject to the RSA vested on January 2, 2026, the first anniversary of the grant date, and the remainder of the shares subject to the RSA will 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. The Restricted Stock Awards (RSAs) were granted to the Reporting Person on January 2, 2025 pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan. Fifty percent of the RSAs vested on January 2, 2026, the first anniversary of the grant date, and the remainder of the RSAs will vest in equal installments each quarter thereafter through the second anniversary of the grant date, subject to such Reporting Person's service to the Company through such dates. /s/ Michael Huffaker 2026-01-06