PRTS

SEC source: 0001140361-26-036239 · form4.xml · nonDerivative · entry 1

Huffaker Michael · CIK 0001956633 · COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 152,810

SEC source: 0001140361-26-036237 · form4.xml · nonDerivative · entry 1

Meniane David · CIK 0001770720 · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 312,664

SEC source: 0001140361-26-036090 · form4.xml · nonDerivative · entry 3

Huffaker Michael · CIK 0001956633 · COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 139,560

SEC source: 0001140361-26-036089 · form4.xml · nonDerivative · entry 3

Meniane David · CIK 0001770720 · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 299,414

SEC source: 0001140361-26-036090 · form4.xml · nonDerivative · entry 2

Huffaker Michael · CIK 0001956633 · COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 102,980

SEC source: 0001140361-26-036089 · form4.xml · nonDerivative · entry 2

Meniane David · CIK 0001770720 · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 262,771

SEC source: 0001140361-26-036090 · form4.xml · nonDerivative · entry 1

Huffaker Michael · CIK 0001956633 · COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,262

SEC source: 0001140361-26-036089 · form4.xml · nonDerivative · entry 1

Meniane David · CIK 0001770720 · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 241,029

SEC source: 0001140361-26-035126 · form4.xml · nonDerivative · entry 2

Huffaker Michael · CIK 0001956633 · COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,102

SEC source: 0001140361-26-035125 · form4.xml · nonDerivative · entry 2

Meniane David · CIK 0001770720 · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 219,875

SEC source: 0001140361-26-035126 · form4.xml · nonDerivative · entry 1

Huffaker Michael · CIK 0001956633 · COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,554

SEC source: 0001140361-26-035125 · form4.xml · nonDerivative · entry 1

Meniane David · CIK 0001770720 · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 212,323

SEC source: 0001140361-26-036091 · form4.xml · nonDerivative · entry 2

PHELPS BARRY · CIK 0001240508 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,577

F1 · balance_after: This Form 4/A is being filed to correct the balances in column 5 to properly reflect the proper balances subsequent to the 10-to-1 reverse split.

SEC source: 0001140361-26-034452 · form4.xml · nonDerivative · entry 2

PHELPS BARRY · CIK 0001240508 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 345,788

SEC source: 0001140361-26-036091 · form4.xml · nonDerivative · entry 1

PHELPS BARRY · CIK 0001240508 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,677

F1 · balance_after: This Form 4/A is being filed to correct the balances in column 5 to properly reflect the proper balances subsequent to the 10-to-1 reverse split.

SEC source: 0001140361-26-034452 · form4.xml · nonDerivative · entry 1

PHELPS BARRY · CIK 0001240508 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 335,888

SEC source: 0001140361-26-027996 · form4.xml · derivative · entry 1

Nauss Timothy Green · CIK 0002139325 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,672

Underlying: Common Stock · 18,672 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

SEC source: 0001140361-26-027990 · form4.xml · nonDerivative · entry 1

GREYSON JAY KEITH · CIK 0001611116 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,951

F1 · kind: Shares were awarded pursuant to the CarParts.com, Inc. Director Payment Election Plan in lieu of retainer fees equal to $11,550.

SEC source: 0001378950-26-000064 · form4.xml · derivative · entry 1

Liu Nanxi · CIK 0001818497 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 186,717

Underlying: Common Stock · 186,717 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

SEC source: 0001378950-26-000060 · form4.xml · derivative · entry 1

Dutra Ana · CIK 0001426393 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 186,717

Underlying: Common Stock · 186,717 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

SEC source: 0001378950-26-000068 · form4.xml · derivative · entry 1

PHELPS BARRY · CIK 0001240508 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 218,342

Underlying: Common Stock · 218,342 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

SEC source: 0001378950-26-000066 · form4.xml · derivative · entry 1

GREYSON JAY KEITH · CIK 0001611116 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 186,717

Underlying: Common Stock · 186,717 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

SEC source: 0001378950-26-000062 · form4.xml · derivative · entry 1

Costa Lisa · CIK 0001834773 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 186,717

Underlying: Common Stock · 186,717 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

SEC source: 0001378950-26-000044 · form4.xml · derivative · entry 1

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 175,000

Underlying: Common Stock · 175,000 shares

Expires not disclosed

F1 · security: 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.

F2 · derivative.exercise_price: Not applicable.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

SEC source: 0001378950-26-000042 · form4.xml · derivative · entry 1

Huffaker Michael · CIK 0001956633 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 190,000

Underlying: Common Stock · 190,000 shares

Expires not disclosed

F1 · security: 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.

F2 · derivative.exercise_price: Not applicable.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

SEC source: 0001378950-26-000040 · form4.xml · derivative · entry 1

Meniane David · CIK 0001770720 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 300,000

Underlying: Common Stock · 300,000 shares

Expires not disclosed

F1 · security: 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.

F2 · derivative.exercise_price: Not applicable.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

SEC source: 0001378950-26-000038 · form4.xml · nonDerivative · entry 1

GREYSON JAY KEITH · CIK 0001611116 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 440,805

F1 · kind: Shares were awarded pursuant to the CarParts.com, Inc. Director Payment Election Plan in lieu of retainer fees equal to $11,550.

SEC source: 0001378950-26-000021 · form4.xml · nonDerivative · entry 2

Meniane David · CIK 0001770720 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,077,114

F2 · kind: Represents shares of common stock that have been withheld by the Company to satisfy tax withholding obligations in connection with the net settlement of vested Restricted Stock Units.

SEC source: 0001378950-26-000025 · form4.xml · derivative · entry 2

Huffaker Michael · CIK 0001956633 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 13,334 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Not applicable.

F2 · derivative.exercise_date: Not applicable.

F2 · derivative.expiration_date: Not applicable.

SEC source: 0001378950-26-000025 · form4.xml · nonDerivative · entry 1

Huffaker Michael · CIK 0001956633 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 479,398

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The Restricted Stock Units (RSU) were granted to the Reporting Person on February 6, 2023 pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan. Thirty-three and a third percent of the shares of stock subject to the RSU vested on February 6, 2026, the third, and final, anniversary of the grant date.

SEC source: 0001378950-26-000023 · form4.xml · derivative · entry 2

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 24,483 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Not applicable.

F2 · derivative.exercise_date: Not applicable.

F2 · derivative.expiration_date: Not applicable.

SEC source: 0001378950-26-000023 · form4.xml · nonDerivative · entry 1

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 367,756

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The Restricted Stock Units (RSU) were granted to the Reporting Person on February 6, 2023 pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan. Thirty-three and a third percent of the shares of stock subject to the RSU vested on February 6, 2026, the third, and final, anniversary of the grant date.

SEC source: 0001378950-26-000021 · form4.xml · derivative · entry 3

Meniane David · CIK 0001770720 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 72,652 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Not applicable.

F3 · derivative.exercise_date: Not applicable.

F3 · derivative.expiration_date: Not applicable.

SEC source: 0001378950-26-000021 · form4.xml · nonDerivative · entry 1

Meniane David · CIK 0001770720 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,103,182

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The Restricted Stock Units (RSU) were granted to the Reporting Person on February 6, 2023 pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan. Thirty-three and a third percent of the shares of stock subject to the RSU vested on February 6, 2026, the third, and final, anniversary of the grant date.

SEC source: 0001378950-26-000019 · form4.xml · nonDerivative · entry 4

Meniane David · CIK 0001770720 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,030,530

F2 · kind: Represents shares of common stock that have been withheld by the Company to satisfy tax withholding obligations in connection with the net settlement of vested Restricted Stock Units.

SEC source: 0001378950-26-000019 · form4.xml · nonDerivative · entry 2

Meniane David · CIK 0001770720 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,004,730

F2 · kind: Represents shares of common stock that have been withheld by the Company to satisfy tax withholding obligations in connection with the net settlement of vested Restricted Stock Units.

SEC source: 0001378950-26-000019 · form4.xml · derivative · entry 6

Meniane David · CIK 0001770720 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 43,750 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · security: The Restricted Stock Units (RSUs) were granted to the Reporting Person on January 16, 2024 pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan. Fifty percent of the RSUs vested on the first anniversary of the grant date on January 16, 2025, and the remainder of the RSUs vested in equal installments each quarter thereafter, including herein on January 16, 2026, the second anniversary of the grant date and final vesting.

F4 · derivative.exercise_price: Not applicable.

F4 · derivative.exercise_date: Not applicable.

F4 · derivative.expiration_date: Not applicable.

SEC source: 0001378950-26-000019 · form4.xml · derivative · entry 5

Meniane David · CIK 0001770720 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 114,963

Underlying: Common Stock · 114,963 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: The Restricted Stock Units (RSU) were granted to the Reporting Person on January 16, 2024 pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan. Thirty-three and a third percent of the shares of stock subject to the RSU vested on January 16, 2026, the second anniversary of the grant date, and the remainder of the shares subject to the RSU will vest on the next, and thus last, anniversary of the grant date, subject to such Reporting Person's service to the Company through such date.

F4 · derivative.exercise_price: Not applicable.

F4 · derivative.exercise_date: Not applicable.

F4 · derivative.expiration_date: Not applicable.

SEC source: 0001378950-26-000019 · form4.xml · nonDerivative · entry 3

Meniane David · CIK 0001770720 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,048,480

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · kind: The Restricted Stock Units (RSUs) were granted to the Reporting Person on January 16, 2024 pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan. Fifty percent of the RSUs vested on the first anniversary of the grant date on January 16, 2025, and the remainder of the RSUs vested in equal installments each quarter thereafter, including herein on January 16, 2026, the second anniversary of the grant date and final vesting.

SEC source: 0001378950-26-000019 · form4.xml · nonDerivative · entry 1

Meniane David · CIK 0001770720 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,052,072

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The Restricted Stock Units (RSU) were granted to the Reporting Person on January 16, 2024 pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan. Thirty-three and a third percent of the shares of stock subject to the RSU vested on January 16, 2026, the second anniversary of the grant date, and the remainder of the shares subject to the RSU will vest on the next, and thus last, anniversary of the grant date, subject to such Reporting Person's service to the Company through such date.

SEC source: 0001378950-26-000017 · form4.xml · derivative · entry 4

Huffaker Michael · CIK 0001956633 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 18,750 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · security: The Restricted Stock Units (RSUs) were granted to the Reporting Person on January 16, 2024 pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan. Fifty percent of the RSUs vested on the first anniversary of the grant date on January 16, 2025, and the remainder of the RSUs vested in equal installments each quarter thereafter, including herein on January 16, 2026, the second anniversary of the grant date and final vesting.

F3 · derivative.exercise_price: Not applicable.

F3 · derivative.exercise_date: Not applicable.

F3 · derivative.expiration_date: Not applicable.

SEC source: 0001378950-26-000017 · form4.xml · derivative · entry 3

Huffaker Michael · CIK 0001956633 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,630

Underlying: Common Stock · 43,630 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: The Restricted Stock Units (RSU) were granted to the Reporting Person on January 16, 2024 pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan. Thirty-three and a third percent of the shares of stock subject to the RSU vested on January 16, 2026, the second anniversary of the grant date, and the remainder of the shares subject to the RSU will vest on the next, and thus last, anniversary of the grant date, subject to such Reporting Person's service to the Company through such date.

F3 · derivative.exercise_price: Not applicable.

F3 · derivative.exercise_date: Not applicable.

F3 · derivative.expiration_date: Not applicable.

SEC source: 0001378950-26-000017 · form4.xml · nonDerivative · entry 2

Huffaker Michael · CIK 0001956633 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 466,064

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · kind: The Restricted Stock Units (RSUs) were granted to the Reporting Person on January 16, 2024 pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan. Fifty percent of the RSUs vested on the first anniversary of the grant date on January 16, 2025, and the remainder of the RSUs vested in equal installments each quarter thereafter, including herein on January 16, 2026, the second anniversary of the grant date and final vesting.

SEC source: 0001378950-26-000017 · form4.xml · nonDerivative · entry 1

Huffaker Michael · CIK 0001956633 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 447,314

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The Restricted Stock Units (RSU) were granted to the Reporting Person on January 16, 2024 pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan. Thirty-three and a third percent of the shares of stock subject to the RSU vested on January 16, 2026, the second anniversary of the grant date, and the remainder of the shares subject to the RSU will vest on the next, and thus last, anniversary of the grant date, subject to such Reporting Person's service to the Company through such date.

SEC source: 0001378950-26-000015 · form4.xml · derivative · entry 4

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 18,750 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · security: The Restricted Stock Units (RSUs) were granted to the Reporting Person on January 16, 2024 pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan. Fifty percent of the RSUs vested on the first anniversary of the grant date on January 16, 2025, and the remainder of the RSUs vested in equal installments each quarter thereafter, including herein on January 16, 2026, the second anniversary of the grant date and final vesting.

F3 · derivative.exercise_price: Not applicable.

F3 · derivative.exercise_date: Not applicable.

F3 · derivative.expiration_date: Not applicable.

SEC source: 0001378950-26-000015 · form4.xml · derivative · entry 3

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,167

Underlying: Common Stock · 39,167 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: The Restricted Stock Units (RSU) were granted to the Reporting Person on January 16, 2024 pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan. Thirty-three and a third percent of the shares of stock subject to the RSU vested on January 16, 2026, the second anniversary of the grant date, and the remainder of the shares subject to the RSU will vest on the next, and thus last, anniversary of the grant date, subject to such Reporting Person's service to the Company through such date.

F3 · derivative.exercise_price: Not applicable.

F3 · derivative.exercise_date: Not applicable.

F3 · derivative.expiration_date: Not applicable.

SEC source: 0001378950-26-000015 · form4.xml · nonDerivative · entry 2

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 343,273

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · kind: The Restricted Stock Units (RSUs) were granted to the Reporting Person on January 16, 2024 pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan. Fifty percent of the RSUs vested on the first anniversary of the grant date on January 16, 2025, and the remainder of the RSUs vested in equal installments each quarter thereafter, including herein on January 16, 2026, the second anniversary of the grant date and final vesting.

SEC source: 0001378950-26-000015 · form4.xml · nonDerivative · entry 1

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 324,523

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The Restricted Stock Units (RSU) were granted to the Reporting Person on January 16, 2024 pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan. Thirty-three and a third percent of the shares of stock subject to the RSU vested on January 16, 2026, the second anniversary of the grant date, and the remainder of the shares subject to the RSU will vest on the next, and thus last, anniversary of the grant date, subject to such Reporting Person's service to the Company through such date.

SEC source: 0001378950-26-000012 · form4.xml · nonDerivative · entry 1

GREYSON JAY KEITH · CIK 0001611116 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 426,514

F1 · kind: Shares were awarded pursuant to the CarParts.com, Inc. Director Payment Election Plan in lieu of retainer fees equal to $11,550.

SEC source: 0001378950-26-000008 · form4.xml · nonDerivative · entry 4

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 285,356

F2 · kind: Represents shares of common stock that have been withheld by the Company to satisfy tax withholding obligations in connection with the net settlement of vested Restricted Stock Awards (RSAs).