PRTS

CARPARTS.COM, INC._March 5, 2026 0001378950false00013789502026-03-052026-03-05

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 5, 2026

CARPARTS.COM, INC.

(Exact name of registrant as specified in its charter) ​

​

​

Delaware 001-33264 68-0623433

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

​ 4910 Airport Plaza Drive, Suite 300, Long Beach CA 90815 (Address of principal executive offices) (Zip Code) Registrant’s telephone number, including area code (424) 702-1455 N/A (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading symbol(s) Name of each exchange on which registered

Common Stock, $0.001 par value per share

PRTS

The NASDAQ Stock Market LLC (NASDAQ Capital Market)

​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​

​

Item 2.02. Results of Operations and Financial Condition. On March 5, 2026, CarParts.com, Inc. (the “Company”) issued a press release announcing its financial results for the fourth quarter and fiscal year ended January 3, 2026. A copy of the press release is furnished herewith as Exhibit 99.1. The information contained in Item 2.02 and in Item 9.01 and in Exhibit 99.1 attached to this report is being furnished to the Securities and Exchange Commission and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that Section, or incorporated by reference in any filing under the Exchange Act or the Securities Act of 1933, as amended, regardless of any general incorporation language contained in such filing. ​ Item 9.01. Financial Statements and Exhibits. ​ (d) Exhibits. ​

Exhibit No. ​ ​ Description

99.1 Press Release, dated March 5, 2026, of CarParts.com, Inc.

​ ​ ​

104 ​ Cover Page Interactive Data File – the cover page interactive data file does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.

​ ​ ​

​

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

​

​

​ ​

Dated: March 5, 2026

CARPARTS.COM, INC.

​ ​

​ ​

​ By: /s/ Mark DiSiena

​ Name: Mark DiSiena

​ Title: Interim Chief Financial Officer

​ ​ ​ ​ ​ ​

CARPARTS.COM, INC._November 10, 2025 0001378950false00013789502025-05-132025-05-13

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 10, 2025

CARPARTS.COM, INC.

(Exact name of registrant as specified in its charter) ​

​

​

Delaware 001-33264 68-0623433

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

​ 2050 W. 190th Street, Suite 400, Torrance, CA 90504 (Address of principal executive offices) (Zip Code) Registrant’s telephone number, including area code (424) 702-1455 N/A (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading symbol(s) Name of each exchange on which registered

Common Stock, $0.001 par value per share

PRTS

The NASDAQ Stock Market LLC (NASDAQ Global Market)

​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​

​

Item 2.02. Results of Operations and Financial Condition. On November 10, 2025, CarParts.com, Inc. (the “Company”) issued a press release announcing its financial results for the third quarter ended September 27, 2025. A copy of the press release is furnished herewith as Exhibit 99.1. The information contained in Item 2.02 and in Item 9.01 and in Exhibit 99.1 attached to this report is being furnished to the Securities and Exchange Commission and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that Section, or incorporated by reference in any filing under the Exchange Act or the Securities Act of 1933, as amended, regardless of any general incorporation language contained in such filing. ​ Item 9.01. Financial Statements and Exhibits. ​ (d) Exhibits. ​

Exhibit No.

Description

99.1 Press Release, dated November 10, 2025, of CarParts.com, Inc.

​ ​ ​

104 ​ Cover Page Interactive Data File – the cover page interactive data file does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.

​ ​ ​

​

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

​

​

​ ​

Dated: November 10, 2025

CARPARTS.COM, INC.

​ ​

​ ​

​ By: /s/ Ryan Lockwood

​ Name: Ryan Lockwood

​ Title: Chief Financial Officer

​ ​ ​ ​ ​ ​

CARPARTS.COM, INC._August 12, 2025 0001378950false00013789502025-05-132025-05-13

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 12, 2025

CARPARTS.COM, INC.

(Exact name of registrant as specified in its charter) ​

​

​

Delaware 001-33264 68-0623433

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

​ 2050 W. 190th Street, Suite 400, Torrance, CA 90504 (Address of principal executive offices) (Zip Code) Registrant’s telephone number, including area code (424) 702-1455 N/A (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading symbol(s) Name of each exchange on which registered

Common Stock, $0.001 par value per share

PRTS

The NASDAQ Stock Market LLC (NASDAQ Global Market)

​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​

​

Item 2.02. Results of Operations and Financial Condition. On August 12, 2025, CarParts.com, Inc. (the “Company”) issued a press release announcing its financial results for the second quarter ended June 28, 2025. A copy of the press release is furnished herewith as Exhibit 99.1. The information contained in Item 2.02 and in Item 9.01 and in Exhibit 99.1 attached to this report is being furnished to the Securities and Exchange Commission and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that Section, or incorporated by reference in any filing under the Exchange Act or the Securities Act of 1933, as amended, regardless of any general incorporation language contained in such filing. ​ Item 9.01. Financial Statements and Exhibits. ​ (d) Exhibits. ​

Exhibit No.

Description

99.1 Press Release, dated August 12, 2025, of CarParts.com, Inc.

​ ​ ​

104 ​ Cover Page Interactive Data File – the cover page interactive data file does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.

​ ​ ​

​

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

​

​

​ ​

Dated: August 12, 2025

CARPARTS.COM, INC.

​ ​

​ ​

​ By: /s/ Ryan Lockwood

​ Name: Ryan Lockwood

​ Title: Chief Financial Officer

​ ​ ​ ​ ​ ​