CarParts.com (PRTS) COO receives 190,000 time-vested Restricted Stock Awards

Rhea-AI Filing Summary

Huffaker Michael reported acquisition or exercise transactions in this Form 4 filing.

CarParts.com, Inc. reported that its Chief Operating Officer, Michael Huffaker, received a grant of 190,000 Restricted Stock Awards (RSAs) effective April 8, 2026. These RSAs were granted under the CarParts.com, Inc. 2016 Equity Incentive Plan as equity-based compensation.

The RSAs are scheduled to vest in three equal installments of approximately one-third each on the first, second, and third anniversaries of the grant date. Vesting is conditioned on Huffaker’s continuous service with the company through each vesting date. Following this grant, he directly holds 190,000 shares of common stock underlying these RSAs.

Insights

Equity compensation analyst

Routine time-based stock grant to COO, signaling long-term incentive alignment.

The transaction shows Chief Operating Officer Michael Huffaker receiving 190,000 Restricted Stock Awards at a grant price of $0.00 under the company’s 2016 Equity Incentive Plan. This is a non-cash, compensation-related equity award, not an open-market purchase or sale.

The RSAs vest over three years in equal 33 1/3% installments on each anniversary of the April 8, 2026 grant date, contingent on continued service. This structure encourages management retention and long-term focus but does not itself indicate any directional view on the share price.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Huffaker Michael

Role Chief Operating Officer

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Awards	190,000	$0.00	--

Holdings After Transaction: Restricted Stock Awards — 190,000 shares (Direct)

Footnotes (1)

1. Effective April 8, 2026, the Board of Directors of the Company granted the Reporting Person Restricted Stock Awards (RSAs) pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan. The RSAs shall vest in three equal installments (33 1/3%) on each of the next three anniversaries of the grant date, subject to such Reporting Person's continuous service with the Company through each applicable vesting date. Not applicable.

Key Figures

Restricted Stock Awards granted: 190,000 shares Grant price per RSA: $0.00 per share Vesting schedule: 33 1/3% per year +1 more

4 metrics

Restricted Stock Awards granted 190,000 shares Grant to COO effective April 8, 2026

Grant price per RSA $0.00 per share Compensation award, not market purchase

Vesting schedule 33 1/3% per year Each of next three anniversaries of grant date

Shares held after transaction 190,000 shares Total common stock underlying RSAs following grant

Key Terms

Restricted Stock Awards, 2016 Equity Incentive Plan, vest in three equal installments, continuous service

4 terms

Restricted Stock Awards financial

"granted the Reporting Person Restricted Stock Awards (RSAs) pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan"

Restricted stock awards are company shares given to employees or executives that cannot be sold or transferred until certain conditions — like staying with the company for a set time or meeting performance targets — are met, like a gift that is locked in a safe until rules are satisfied. Investors care because these awards tie management’s pay to company performance, can increase the number of shares outstanding when they become tradable (dilution), and may signal expected future selling pressure or commitment to long-term growth.

2016 Equity Incentive Plan financial

"pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan"

vest in three equal installments financial

"The RSAs shall vest in three equal installments (33 1/3%) on each of the next three anniversaries"

continuous service financial

"subject to such Reporting Person's continuous service with the Company through each applicable vesting date"

Form 4 Insider Transactions: What Each Field Means →

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).

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^*

Huffaker Michael

(Last) (First) (Middle)

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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/08/2026

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 Awards(1)	(2)	04/08/2026		A		190,000		(1)	(1)	Common Stock	190,000	$0	190,000	D

Explanation of Responses:

1. Effective April 8, 2026, the Board of Directors of the Company granted the Reporting Person Restricted Stock Awards (RSAs) pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan. The RSAs shall vest in three equal installments (33 1/3%) on each of the next three anniversaries of the grant date, subject to such Reporting Person's continuous service with the Company through each applicable vesting date.

2. Not applicable.

	/s/ Michael Huffaker	04/09/2026
	** 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)

FAQ

What did CarParts.com (PRTS) disclose about Michael Huffaker’s latest equity grant?

CarParts.com reported that Chief Operating Officer Michael Huffaker received a grant of 190,000 Restricted Stock Awards. The award was made under the 2016 Equity Incentive Plan as stock-based compensation rather than an open-market share purchase or sale.

How many Restricted Stock Awards did the CarParts.com (PRTS) COO receive?

The COO, Michael Huffaker, received 190,000 Restricted Stock Awards. These represent the right to receive an equal number of common shares over time, subject to vesting conditions tied to his continued employment with CarParts.com.

What are the vesting terms for Michael Huffaker’s 190,000 CarParts.com (PRTS) RSAs?

The 190,000 Restricted Stock Awards vest in three equal installments of 33 1/3% each. Vesting occurs on the first, second, and third anniversaries of the April 8, 2026 grant date, if Huffaker remains continuously employed by the company.

Is Michael Huffaker’s CarParts.com (PRTS) RSA grant an insider stock purchase or sale?

No, the filing classifies the transaction as a grant or award acquisition, not a market trade. The RSAs were granted at a price of $0.00 per share as compensation, so no open-market buying or selling occurred in this Form 4 event.

How many CarParts.com (PRTS) shares does the COO hold after this RSA grant?

After this grant, the Form 4 shows Michael Huffaker directly holding 190,000 shares underlying the Restricted Stock Awards. This figure reflects his position related to this specific award, which will convert into common stock as the RSAs vest over time.