CarParts.com director granted 186,717 RSUs

Liu Nanxi reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Liu Nanxi reported acquisition or exercise transactions in this Form 4 filing.

CarParts.com, Inc. director Nanxi Liu reported an equity-based compensation grant of 186,717 restricted stock units. These RSUs are cash-settled, meaning each unit will pay cash equal to the fair market value of one share of common stock when it vests.

The RSUs are scheduled to vest on the 2027 annual shareholder meeting date, provided Liu’s service with the company continues through that time. After this grant, Liu holds 186,717 RSUs directly, and the filing shows no open-market share purchases or sales.

Insider Trade Summary 10b5-1

Grant/Award: 186,717 shares

Grant/Award 1 txn

Insider Liu Nanxi

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	186,717	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 186,717 contracts (Direct)

Footnotes (1)

1. F1. 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 2027 annual shareholder meeting date, as long as the Reporting Person's service with the Company has not previously ended.

Key Figures

RSUs granted: 186,717 units RSUs after transaction: 186,717 units Vesting condition: 2027 annual shareholder meeting date

3 metrics

RSUs granted 186,717 units Restricted Stock Units granted to director on 2026-05-19

RSUs after transaction 186,717 units Total restricted stock units held directly after grant

Vesting condition 2027 annual shareholder meeting date RSUs vest if service continues through that meeting

Key Terms

Restricted Stock Units, cash-settled RSUs, fair market value, vesting date, +1 more

5 terms

Restricted Stock Units financial

"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"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

cash-settled RSUs financial

"Reflects cash-settled RSUs. Each RSU represents a contingent right to receive an amount in cash equal to the fair market value"

fair market value financial

"amount in cash equal to the fair market value of one share of the Issuer's common stock on the applicable vesting date"

The price a willing buyer and a willing seller would agree on for an asset or security when neither is under pressure and both have access to the same information. Think of it as the market’s neutral estimate of what something is worth, like the price two neighbors would settle on for a car after comparing similar listings. Investors care because fair market value guides buying and selling decisions, tax reporting, portfolio valuation, and how accurately company assets are reflected in financial statements.

vesting date financial

"equal to the fair market value of one share of the Issuer's common stock on the applicable vesting date"

annual shareholder meeting financial

"The RSUs shall vest on the 2027 annual shareholder meeting date, as long as the Reporting Person's service with the Company has not previously ended"

A yearly gathering where a company’s owners (shareholders) and its leaders meet to review performance, approve key decisions like electing directors, and vote on issues such as executive pay or major policy changes. Think of it as an annual town hall for people who own part of the business: investors use it to ask questions, influence direction through votes, and gauge management’s plans and transparency, all of which can affect the stock’s outlook.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did CarParts.com (PRTS) director Nanxi Liu report?

Nanxi Liu reported receiving 186,717 restricted stock units as equity compensation. These RSUs are cash-settled and tied to CarParts.com’s common stock value, rather than representing an immediate purchase or sale of shares in the open market.

How many RSUs does Nanxi Liu hold after this Form 4 for CarParts.com (PRTS)?

After the reported transaction, Nanxi Liu holds 186,717 restricted stock units. This entire position reflects the new grant disclosed, and there are no additional derivative positions listed in the filing’s remaining derivative summary section.

When do Nanxi Liu’s CarParts.com (PRTS) RSUs vest?

The reported RSUs are scheduled to vest on the 2027 annual shareholder meeting date. Vesting depends on Liu continuing to provide service to CarParts.com through that meeting, as outlined in the transaction footnote description.

Are Nanxi Liu’s CarParts.com (PRTS) RSUs settled in stock or cash?

The filing states these are cash-settled RSUs. Each unit represents a contingent right to receive cash equal to the fair market value of one share of CarParts.com common stock on the applicable vesting date, rather than actual share delivery.

Does Nanxi Liu’s Form 4 for CarParts.com (PRTS) show any stock sales or purchases?

The Form 4 shows only a grant of 186,717 restricted stock units coded as an acquisition. It does not report any open-market purchases or sales of CarParts.com common stock in connection with this transaction.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 05/19/2026 - 08:28 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Liu Nanxi

(Last) (First) (Middle)

C/O CARPARTS.COM, INC.

4910 AIRPORT PLAZA DRIVE, SUITE 300

(Street)

LONG BEACH CALIFORNIA 90815

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
CarParts.com, Inc. [ PRTS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/19/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	05/19/2026		A		186,717		(1)	(1)	Common Stock	186,717	$0	186,717	D

Explanation of Responses:

1. 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 2027 annual shareholder meeting date, as long as the Reporting Person's service with the Company has not previously ended.

	/s/ Nanxi Liu	05/19/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)