[Form 4] GRIFFON CORP Insider Trading Activity

Rhea-AI Filing Summary

Griffon Corporation (GFF)November 18, 2025, the executive received 68,432 shares of restricted common stock under Griffon’s 2016 Equity Incentive Plan in a transaction exempt under Rule 16b. The vesting of these restricted shares depends in part on specified financial and market performance criteria, which were certified on that date.

Subject to the executive’s continued employment, the restricted shares are scheduled to vest on November 30, 2025. Following this grant, the reporting person beneficially owns 842,217 shares of Griffon common stock directly and 4,219 shares indirectly through an ESOP, reflecting their equity stake in the company.

11/19/2025 - 05:32 PM

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

MEHMEL ROBERT F

(Last) (First) (Middle)

C/O GRIFFON CORPORATION

712 FIFTH AVENUE

(Street)

NEW YORK NY 10019

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
GRIFFON CORP [ GFF ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and COO

3. Date of Earliest Transaction (Month/Day/Year)
11/18/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/18/2025		A		68,432(1)	A	$0	842,217	D
Common Stock								4,219	I	by ESOP

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Restricted shares granted under the Company's 2016 Equity Incentive Plan in a transaction exempt under Rule 16b. Vesting of the restricted shares is partially dependent on the attainment of specified financial and market performance criterium; on November 18, 2025, the extent to which such performance criterium was achieved was certified. Subject to the reporting person's continued employment, the restricted shares will vest on November 30, 2025.

Remarks:

	/s/ Seth L. Kaplan, as attorney-in-fact	11/19/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Griffon Corporation (GFF) report in this Form 4 filing?

Griffon Corporation reported that its President and COO received a grant of 68,432 restricted shares of common stock under the company’s 2016 Equity Incentive Plan on November 18, 2025.

How many Griffon (GFF) shares were granted to the executive and at what price?

The executive was granted 68,432 restricted shares of Griffon common stock at a reported price of $0, reflecting a stock-based compensation award rather than a market purchase.

When will the newly granted Griffon (GFF) restricted shares vest?

Subject to the reporting person’s continued employment, the 68,432 restricted shares are scheduled to vest on November 30, 2025, following certification of the performance criteria.

What performance conditions affect the Griffon (GFF) restricted stock award?

The filing states that vesting of the restricted shares is partially dependent on the attainment of specified financial and market performance criterium, and that the extent to which these were achieved was certified on November 18, 2025.

How many Griffon (GFF) shares does the executive beneficially own after this transaction?

After the reported transaction, the executive beneficially owns 842,217 shares of Griffon common stock directly and an additional 4,219 shares indirectly through an ESOP.

What is the relationship of the reporting person to Griffon (GFF)?

The reporting person is an officer of Griffon Corporation, serving as President and COO, as indicated in the Form 4.