X0508 4 2025-06-13 0001378950 CarParts.com, Inc. PRTS 0001240508 PHELPS BARRY 305 SCARBOROUGH ST. THOUSAND OAKS CA 91361 true false Restricted Stock Units 2025-06-13 4 A 0 213086 0 A Common Stock 213086 213086 D Reflects cash-settled RSUs. Each RSU represents a contingent right to receive an amount in cash equal to the fair market value of one share of the Issuer's common stock on the applicable vesting date. The RSUs shall vest on the date when the Reporting Person finishes a 12-month service period from the grant date. /s/ Barry Phelps 2025-06-17