Results of Operations

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 December 17, 2025 Date of Report (Date of earliest event reported) __________________________________________ MillerKnoll, Inc. (Exact name of registrant as specified in its charter) Michigan 001-15141 38-0837640 (State or other jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification No.) 855 East Main Avenue , Zeeland , MI 49464 (Address of principal executive offices and zip code) ( 616 ) 654-3000 (Registrant's telephone number, including area code) __________________________________________ 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, par value $0.20 per share MLKN 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 December 17, 2025, MillerKnoll, Inc. issued a press release announcing its financial results for the quarter ended November 29, 2025. A copy of the press release is attached as Exhibit 99.1. The information in this Form 8-K and the attached Exhibits shall not be deemed filed for purposes of Section 18 of the Securities Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing. Item 9.01    Financial Statements and Exhibits (d) Exhibits. Exhibit Number Description 99.1 Press release dated December 17, 2025 104 Cover Page Interactive Data File (embedded within the Inline XBRL Document)              SIGNATURE 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 thereunto duly authorized. Date: December 17, 2025 MillerKnoll, Inc.     By: /s/ Kevin J. Veltman     Kevin J. Veltman Chief Financial Officer