Subramanian Kals

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: 0001378950-26-000023 · 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: 0001378950-26-000015 · 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: 0001378950-26-000008 · 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).

SEC source: 0001378950-26-000008 · form4.xml · nonDerivative · entry 2

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 252,227

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).

SEC source: 0001378950-26-000008 · form4.xml · nonDerivative · entry 3

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 302,227

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 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.

SEC source: 0001378950-26-000008 · form4.xml · nonDerivative · entry 1

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 266,285

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 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.

SEC source: 0001378950-25-000118 · form4.xml · derivative · entry 2

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,750

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.

F1 · 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 vest in equal installments each quarter thereafter, including herein on October 16, 2025, through the second anniversary of the grant date, subject to such Reporting Person's service to the Company through such dates.

F2 · derivative.exercise_price: Not applicable.

F2 · derivative.exercise_date: Not applicable.

F2 · derivative.expiration_date: Not applicable.

SEC source: 0001378950-25-000118 · form4.xml · nonDerivative · entry 1

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 224,619

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 (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 vest in equal installments each quarter thereafter, including herein on October 16, 2025, through the second anniversary of the grant date, subject to such Reporting Person's service to the Company through such dates.

SEC source: 0001378950-25-000089 · form4.xml · nonDerivative · entry 2

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 205,869

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: 0001378950-25-000089 · form4.xml · derivative · entry 3

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,500

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.

F1 · 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 vest in equal installments each quarter thereafter, including herein on July 16, 2025, through the second anniversary of the grant date, subject to such Reporting Person's service to the Company through such dates.

F3 · derivative.exercise_price: Not applicable.

F3 · derivative.exercise_date: Not applicable.

F3 · derivative.expiration_date: Not applicable.

SEC source: 0001378950-25-000089 · form4.xml · nonDerivative · entry 1

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 211,251

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 (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 vest in equal installments each quarter thereafter, including herein on July 16, 2025, through the second anniversary of the grant date, subject to such Reporting Person's service to the Company through such dates.

SEC source: 0001378950-25-000052 · 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 · 16,787 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 April 18, 2022 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 April 18, 2025, the third (and final) anniversary of the grant date.

F2 · derivative.exercise_price: Not applicable.

F2 · derivative.exercise_date: Not applicable.

F2 · derivative.expiration_date: Not applicable.

SEC source: 0001378950-25-000052 · form4.xml · nonDerivative · entry 1

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 192,501

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 April 18, 2022 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 April 18, 2025, the third (and final) anniversary of the grant date.

SEC source: 0001378950-25-000044 · form4.xml · derivative · entry 2

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,250

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.

F1 · 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 vest in equal installments each quarter thereafter, including herein on April 16, 2025, through the second anniversary of the grant date, subject to such Reporting Person's service to the Company through such dates.

F2 · derivative.exercise_price: Not applicable.

F2 · derivative.exercise_date: Not applicable.

F2 · derivative.expiration_date: Not applicable.

SEC source: 0001378950-25-000044 · form4.xml · nonDerivative · entry 1

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 175,714

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 (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 vest in equal installments each quarter thereafter, including herein on April 16, 2025, through the second anniversary of the grant date, subject to such Reporting Person's service to the Company through such dates.

SEC source: 0001378950-25-000028 · form4.xml · derivative · entry 2

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,483

Underlying: Common Stock · 24,482 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 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, 2025, the second anniversary of the grant date, and the remainder of the shares subject to the RSU vest on the next anniversary (and final) of the grant date, subject to such Reporting Person's service to the Company through such date.

F2 · derivative.exercise_price: Not applicable.

F2 · derivative.exercise_date: Not applicable.

F2 · derivative.expiration_date: Not applicable.

SEC source: 0001378950-25-000028 · form4.xml · nonDerivative · entry 1

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,300

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, 2025, the second anniversary of the grant date, and the remainder of the shares subject to the RSU vest on the next anniversary (and final) of the grant date, subject to such Reporting Person's service to the Company through such date.

SEC source: 0001378950-25-000016 · form4.xml · nonDerivative · entry 4

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 132,482

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: 0001378950-25-000016 · form4.xml · nonDerivative · entry 2

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,983

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: 0001378950-25-000016 · form4.xml · derivative · entry 6

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,000

Underlying: Common Stock · 75,000 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 (RSU) were granted to the Reporting Person on January 16, 2024 pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan. Fifty percent of the shares of stock subject to the RSU vested on January 16, 2025, the first anniversary of the grant date, and the remainder of the shares subject to the RSU 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.

F4 · derivative.exercise_price: Not applicable.

F4 · derivative.exercise_date: Not applicable.

F4 · derivative.expiration_date: Not applicable.

SEC source: 0001378950-25-000016 · form4.xml · derivative · entry 5

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,334

Underlying: Common Stock · 39,166 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, 2025, the first anniversary of the grant date, and the remainder of the shares subject to the RSU 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.

F4 · derivative.exercise_price: Not applicable.

F4 · derivative.exercise_date: Not applicable.

F4 · derivative.expiration_date: Not applicable.

SEC source: 0001378950-25-000016 · form4.xml · nonDerivative · entry 3

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 157,983

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 (RSU) were granted to the Reporting Person on January 16, 2024 pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan. Fifty percent of the shares of stock subject to the RSU vested on January 16, 2025, the first anniversary of the grant date, and the remainder of the shares subject to the RSU 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.

SEC source: 0001378950-25-000016 · form4.xml · nonDerivative · entry 1

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,300

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, 2025, the first anniversary of the grant date, and the remainder of the shares subject to the RSU 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.

SEC source: 0001378950-25-000004 · form4.xml · derivative · entry 2

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,000

Underlying: Common Stock · 100,000 shares

Expires not disclosed

F3 · security: Effective January 2, 2025, 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. Fifty percent of the RSAs shall vest on 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.

F2 · derivative.exercise_price: Not applicable.

F3 · derivative.exercise_date: Effective January 2, 2025, 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. Fifty percent of the RSAs shall vest on 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.

F3 · derivative.expiration_date: Effective January 2, 2025, 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. Fifty percent of the RSAs shall vest on 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.

SEC source: 0001378950-25-000004 · form4.xml · derivative · entry 1

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 125,000

Underlying: Common Stock · 125,000 shares

Expires not disclosed

F1 · security: Effective January 2, 2025, 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 on each of the next three anniversaries of the grant date, subject to such Reporting Person's service to the Company through such dates.

F2 · derivative.exercise_price: Not applicable.

F1 · derivative.exercise_date: Effective January 2, 2025, 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 on each of the next three anniversaries of the grant date, subject to such Reporting Person's service to the Company through such dates.

F1 · derivative.expiration_date: Effective January 2, 2025, 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 on each of the next three anniversaries of the grant date, subject to such Reporting Person's service to the Company through such dates.

SEC source: 0001378950-24-000046 · form4.xml · nonDerivative · entry 2

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,134

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: 0001378950-24-000046 · form4.xml · derivative · entry 3

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,787

Underlying: Common Stock · 16,786 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: 0001378950-24-000046 · form4.xml · nonDerivative · entry 1

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,994

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 April 18, 2022 under 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 April 18, 2024, the second anniversary of the grant date, and the remainder of the shares subject to the RSU will vest on the next, and last, anniversary of the grant date, subject to such Reporting Person's service to the Company through such date.

SEC source: 0001378950-24-000025 · form4.xml · derivative · entry 3

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,965

Underlying: Common Stock · 24,482 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: 0001378950-24-000025 · form4.xml · nonDerivative · entry 2

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,208

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: 0001378950-24-000025 · form4.xml · nonDerivative · entry 1

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,594

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 under 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, 2024, the first anniversary of the grant date, and the remainder of the shares subject to the RSU 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.

SEC source: 0001378950-24-000013 · form4.xml · derivative · entry 2

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 150,000

Underlying: Common Stock · 150,000 shares

Expires not disclosed

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 shall vest on the first anniversary of the grant date, and the remainder of the RSUs 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.

F2 · derivative.exercise_price: Not applicable.

F3 · derivative.exercise_date: 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 shall vest on the first anniversary of the grant date, and the remainder of the RSUs 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.

F3 · derivative.expiration_date: 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 shall vest on the first anniversary of the grant date, and the remainder of the RSUs 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.

SEC source: 0001378950-24-000013 · form4.xml · derivative · entry 1

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 117,500

Underlying: Common Stock · 117,500 shares

Expires not disclosed

F1 · 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. The RSUs shall vest in three equal installments on each of the next three anniversaries of the grant date, subject to such Reporting Person's service to the Company through such dates.

F2 · derivative.exercise_price: Not applicable.

F1 · derivative.exercise_date: 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. The RSUs shall vest in three equal installments on each of the next three anniversaries of the grant date, subject to such Reporting Person's service to the Company through such dates.

F1 · derivative.expiration_date: 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. The RSUs shall vest in three equal installments on each of the next three anniversaries of the grant date, subject to such Reporting Person's service to the Company through such dates.

SEC source: 0001378950-23-000023 · form4.xml · nonDerivative · entry 2

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 25,119

F2 · kind: Represents shares of common stock sold by the Reporting Person to satisfy certain tax withholding obligations associated with the vesting of the Restricted Stock Units.

SEC source: 0001378950-23-000023 · form4.xml · derivative · entry 3

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 33,573

Underlying: Common Stock · 16,786 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.

F1 · derivative.exercise_date: The Restricted Stock Units (RSU) were granted to the Reporting Person on April 18, 2022 under 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 April 18, 2023, the first anniversary of the grant date, and the remainder of the shares subject to the RSU 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.

F1 · derivative.expiration_date: The Restricted Stock Units (RSU) were granted to the Reporting Person on April 18, 2022 under 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 April 18, 2023, the first anniversary of the grant date, and the remainder of the shares subject to the RSU 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.

SEC source: 0001378950-23-000023 · form4.xml · nonDerivative · entry 1

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 30,072

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 April 18, 2022 under 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 April 18, 2023, the first anniversary of the grant date, and the remainder of the shares subject to the RSU 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.

SEC source: 0001567619-23-004973 · doc1.xml · nonDerivative · entry 2

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,286

F2 · kind: Represents shares of common stock sold by the Reporting Person to satisfy certain tax withholding obligations.

SEC source: 0001567619-23-004973 · doc1.xml · nonDerivative · entry 1

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,475

F1 · kind: Represents common stock awarded to the Reporting Person upon the determination by the Company's Board of Directors of the achievement of the performance conditions under the Company's annual incentive bonus plan. The common stock was awarded to the Reporting Person in lieu of cash under the Company's annual incentive bonus plan.

SEC source: 0001567619-23-002116 · doc1.xml · derivative · entry 1

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,447

Underlying: Common Stock · 73,447 shares

Expires not disclosed

F1 · security: Restricted Stock Units were granted on February 6, 2023 pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan.

F2 · derivative.exercise_price: Not applicable.

F3 · derivative.exercise_date: The Restricted Stock Units shall vest in three equal installments on each of the next three anniversaries of the grant date.

F3 · derivative.expiration_date: The Restricted Stock Units shall vest in three equal installments on each of the next three anniversaries of the grant date.

SEC source: 0001567619-22-008739 · doc1.xml · derivative · entry 1

Subramanian Kals · CIK 0001922934 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,359

Underlying: Common Stock · 50,359 shares

Expires not disclosed

F1 · security: Restricted Stock Units were granted on April 18, 2022 pursuant to the CarParts.com, Inc. 2016 Equity Incentive Plan.

F2 · derivative.exercise_price: Not applicable.

F3 · derivative.exercise_date: The Restricted Stock Units shall vest in three equal installments on each of the next three anniversaries of the grant date.

F3 · derivative.expiration_date: The Restricted Stock Units shall vest in three equal installments on each of the next three anniversaries of the grant date.