X0306 4 2021-06-29 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 2021-06-29 4 S 0 50701 19.64 D 1102299 D Common Stock 2021-06-30 4 S 0 33665 20.02 D 1068634 D Common Stock 38869 I By IRA Common Stock 56000 I By Spouse's IRA This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person. The price reported above reflects the weighted-average sale price with the low price of $19.54 and a high price of $19.83. The Reporting Person undertakes to provide to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein. The price reported above reflects the weighted-average sale price with the low price of $19.54 and a high price of $20.49. The Reporting Person undertakes to provide to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein. /s/ Lev Peker 2021-07-01