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 Date of Report (Date of earliest event reported): February 7, 2024 GRIFFON CORPORATION (Exact Name of Registrant as Specified in Charter) Delaware              1-06620          11-1893410 (State or Other Jurisdiction      (Commission (I.R.S. Employer     of Incorporation)          File Number) Identification No.)      712 Fifth Avenue, 18 th Floor      New York , New York                        10019 (Address of Principal Executive Offices)         (Zip Code) ( 212 ) 957-5000 (Registrant’s telephone number, including area code) (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) 1 ☐ 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)) 1 1 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, $0.25 par value   GFF   New York Stock Exchange 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. ☐ 2 Item 2.02.    Results of Operations and Financial Condition. On February 7, 2024 Griffon Corporation (the “Registrant”) issued a press release announcing the Registrant’s financial results for the fiscal first quarter ended December 31, 2023. A copy of the Registrant’s press release is attached hereto as Exhibit 99.1. Item 9.01.    Financial Statements and Exhibits. (d)      Exhibits . 99.1     Press Release, dated February 7, 2024 The information filed as an exhibit to this Form 8-K is being furnished in accordance with Item 2.02 and shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of such section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing. 3 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. GRIFFON CORPORATION By:     /s/ Brian G. Harris             Brian G. Harris     SVP and Chief Financial Officer     Date: February 7, 2024 4 Exhibit Index 99.1 Press release, dated February 7, 2024