CarParts.com, Inc.

Rule 10b5-1 Trading Arrangements

During the thirteen weeks ended October 3, 2026, none of our directors or executive officers adopted orterminated any “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement” (as each term is defined in Item 408(a) of Regulation S-K).

First Amendment to Credit Agreement

On June 15, 2026, the Company and FBSF entered into the Credit Agreement, providing for an asset-based revolving credit facility in an aggregate maximum principal amount of up to $25,000, secured by substantially all of the assets of the Company. The Credit Facility matures on March 31, 2028.

On September 2, 2026, the Company entered into the First Amendment to the FBSF Loan and Security Agreement. This First Amendment provided for a separate revolving line of credit for capital expenditures for an aggregated maximum principal amount of up to $1,500, and bears interest at a rate of 3.00% per annum. As of October 3, 2026, the outstanding Capex Revolver balance was $0. The foregoing description of the First Amendment does not purport to be complete and is qualified in its entirety by reference to the full First Amendment, which is attached to this Quarterly Report on Form 10-Q as Exhibit 10.1 and incorporated herein by reference.