Michael Huffaker - 02 Jan 2026 Form 4 Insider Report for CarParts.com, Inc. (PRTS)

Role: Chief Operating Officer
Signature: /s/ Michael Huffaker
Issuer symbol: PRTS
Transactions as of: 02 Jan 2026
Net transactions value: $0
Form type: 4
Filing time: 06 Jan 2026, 20:48:49 UTC
Previous filing: 08 Dec 2025
Next filing: 20 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Huffaker Michael	Chief Operating Officer	2050 W. 190TH STREET, SUITE 400, TORRANCE	/s/ Michael Huffaker	06 Jan 2026	0001956633

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PRTS	Common Stock	Options Exercise	$0	+46,666	+15%	$0.000000	353,684	02 Jan 2026	Direct	F1
transaction	PRTS	Common Stock	Options Exercise	$0	+50,000	+14%	$0.000000	403,684	02 Jan 2026	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.
F2	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.

Content

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.