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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 14, 2025

SpartanNash Company

(Exact name of Registrant as Specified in Its Charter)

Michigan | 000-31127 | 38-0593940
(State or Other Jurisdiction of Incorporation) | (Commission File Number) | (IRS Employer Identification No.)
850 76th Street, S.W. P.O. Box 8700 |
Grand Rapids, Michigan |  | 49518-8700
(Address of Principal Executive Offices) |  | (Zip Code)

Registrant’s Telephone Number, Including Area Code: (616) 878-2000

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, no par value |  | SPTN |  | Nasdaq Global Select 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 14, 2025, SpartanNash Company (“SpartanNash”) issued the press release attached to this Form 8-K as Exhibit 99.1 concerning its financial results for the 12-week second quarter ended July 12, 2025. The information contained in this Current Report on Form 8-K (including Exhibit 99.1 referenced herein) is being furnished and is not “filed” with the Securities and Exchange Commission (“SEC”) and is not incorporated by reference into any registration statement under the Securities Act of 1933.

The press release contains forward-looking statements within the meaning of the Securities Act and the Exchange Act and, as such, may involve known and unknown risks, uncertainties and assumptions. These forward-looking statements relate to SpartanNash’s current expectations and are subject to the limitations and qualifications set forth in the press release as well as in SpartanNash’s other documents filed with the SEC, including, without limitation, that actual events and/or results may differ materially from those projected in such forward-looking statements.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits: The following document is attached as an exhibit to this report on Form 8-K:

Exhibit No. |  | Description
99.1 |  | Press Release dated August 14, 2025.
104 |  | Cover Page Interactive Data File (embedded within the Inline XBRL document)

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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.

Date: August 14, 2025 | SpartanNash Company
| By: | /s/ Jason Monaco
|  | Jason Monaco Executive Vice President and Chief Financial Officer (Principal Financial Officer)

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