Shareholder Vote

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 18, 2026 GRIFFON CORPORATION (Exact name of registrant as specified in its charter) Delaware 1-06620 11-1893410 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.R.S. Employer 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) Not Applicable (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)) 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 5.07. Submission of Matters to a Vote of Security Holders. On February 18, 2026, Griffon held its 2026 Annual Meeting of Shareholders (the "Annual Meeting"). Of the 46,573,423 shares of common stock outstanding and entitled to vote, 41,000,638 shares, or 88.0%, were represented at the meeting in person or by proxy, and therefore a quorum was present. The final results for each of the matters submitted to a vote of Shareholders at the Annual Meeting are as follows: Item No. 1: Each of Henry A. Alpert, Jerome L. Coben, H. C. Charles Diao, Louis J. Grabowsky, Lacy M. Johnson, Ronald J. Kramer, James W. Sight, Samanta Hegedus Stewart, Kevin F. Sullivan, Michelle L. Taylor and Cheryl L. Turnbull were elected to serve on the Board until Griffon’s 2027 Annual Meeting of Shareholders, by the votes set forth below: Nominee For Withheld Broker Non-Votes Henry A. Alpert 37,340,392 1,062,933 2,596,313 Jerome L. Coben 37,970,736 433,589 2,596,313 H. C. Charles Diao 37,676,923 727,402 2,596,313 Louis J. Grabowsky 37,783,857 620,468 2,596,313 Lacy M. Johnson 37,261,138 1,143,187 2,596,313 Ronald J. Kramer 37,616,777 787,548 2,596,313 James W. Sight 37,904,747 499,578 2,596,313 Samanta Hegedus Stewart 37,520,786 883,539 2,596,313 Kevin F. Sullivan 37,297,653 1,106,672 2,596,313 Michelle L. Taylor 37,891,608 512,717 2,596,313 Cheryl L. Turnbull 37,726,807 677,518 2,596,313 Item No. 2: The Shareholders approved, on an advisory basis, the compensation of the named executive officers as disclosed in the Proxy Statement, by the votes set forth below: For Against Abstain Broker Non-Votes 36,817,648 1,272,574 314,101 2,596,313 Item No. 3: The Shareholders ratified the appointment of Grant Thornton LLP as Griffon’s independent registered public accounting firm for fiscal 2026, by the votes set forth below: For Against Abstain 40,348,713 561,164 90,761 1 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/ Seth L. Kaplan         Seth L. Kaplan Executive Vice President Date: February 18, 2026 2