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Form 8-K

sec.gov

8-K — GRIFFON CORP

Accession: 0001628280-26-055203

Filed: 2026-08-10

Period: 2026-08-10

CIK: 0000050725

SIC: 3442 (METAL DOORS, SASH, FRAMES, MOLDING & TRIM)

Item: Regulation FD Disclosure

Item: Financial Statements and Exhibits

Documents

8-K — gff-20260810.htm (Primary)

EX-99.1 (griffonlaunchpressrelease.htm)

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8-K

8-K (Primary)

Filename: gff-20260810.htm · Sequence: 1

gff-20260810

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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 10, 2026

GRIFFON CORPORATION

(Exact name of registrant as specified in its charter)

Delaware

001-06620

11-1893410

(State or Other Jurisdiction of Incorporation)

(Commission File Number)

(I.R.S. Employer Identification No.)

712 Fifth Avenue, 18th 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 7.01. Regulation FD Disclosure.

On August 10, 2026, Griffon Corporation (the “Company”) issued a press release announcing the commencement of an offering through a private placement, subject to market and other conditions, of $800 million in aggregate principal amount of senior notes due 2034 (the “Offering”). A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

The information in Exhibit 99.1 is being furnished pursuant to Item 7.01 and shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed to be incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act.

Item 9.01.    Financial Statements and Exhibits.

99.1     Press Release, dated August 10, 2026, regarding the Offering

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/ Seth L. Kaplan

Seth L. Kaplan

Executive Vice President

Dated: August 10, 2026

4

Exhibit Index

99.1     Press Release, dated August 10, 2026, regarding the Offering

5

EX-99.1

EX-99.1

Filename: griffonlaunchpressrelease.htm · Sequence: 2

Document

Exhibit 99.1

Griffon Corporation Announces Senior Notes Offering

NEW YORK, NEW YORK – August 10, 2026 – Griffon Corporation (NYSE: GFF) (“Griffon”) today announced that it intends to commence an offering through a private placement, subject to market and other conditions, of $800 million in aggregate principal amount of senior notes due 2034 (the “Notes”). The Notes will be senior unsecured obligations of Griffon and will be guaranteed by certain of its domestic subsidiaries.

Griffon intends to use the proceeds from the offering, together with cash on hand and revolver borrowings under either Griffon’s existing credit facility or its new revolving credit facility that is expected to close substantially concurrently with the offering, to (i) redeem all of Griffon’s outstanding 5.75% Senior Notes due 2028 (the “2028 Notes”) at the applicable redemption price plus accrued and unpaid interest and (ii) pay certain related fees and expenses.

The Notes and related guarantees are being offered in a private placement, solely to persons reasonably believed to be qualified institutional buyers in reliance on Rule 144A under the Securities Act of 1933, as amended (the “Securities Act”), or outside the United States to persons other than “U.S. persons” in compliance with Regulation S under the Securities Act. The Notes and related guarantees will not be registered under the Securities Act or the securities laws of any other jurisdiction and may not be offered or sold in the United States absent registration or an applicable exemption from the registration requirements.

This notice does not constitute an offer to sell the Notes, nor will any such offer be made, nor does it constitute a solicitation of an offer to purchase the Notes or any other securities, in each case in any jurisdiction in which such offer or solicitation would be unlawful. Any offer of the Notes will be made only by means of a private offering memorandum. This notice does not constitute an offer to purchase or redeem any of the 2028 Notes. This press release is being issued pursuant to and in accordance with Rule 135c under the Securities Act.

Forward-Looking Statements

This communication contains forward-looking statements that may state Griffon’s or its management’s intentions, beliefs, expectations or predictions for the future. Such forward-looking statements are subject to certain risks, uncertainties and assumptions, and typically can be identified by the use of words such as “intend,” “will,” “expect,” “estimate,” “anticipate,” “forecast,” “plan,” “believe” and similar terms. Although Griffon believes that its expectations are reasonable, it can give no assurance that these expectations will prove to have been correct, and actual results may vary materially. Factors that could cause actual results to differ materially from those contemplated above include, among others, risks and uncertainties related to the capital markets generally, whether Griffon will consummate the offering of the Notes, the anticipated use of proceeds, and other factors detailed in filings made by Griffon with the Securities and Exchange Commission. Investors are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof. Griffon does not undertake to update any of these statements in light of new information or future events.

Company Contact: Investor Relations Contact:

Brian G. Harris Tom Cook

EVP & Chief Financial Officer Managing Director

Exhibit 99.1

Griffon Corporation ICR Inc.

(212) 957-5000 (203) 682-8250

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