Griffon Corp (GFF) director Turnbull sells 3,000 shares, keeps 30,039

Rhea-AI Filing Summary

Cheryl L. Turnbull, a director of Griffon Corp, reported selling 3,000 shares of common stock on 2026-08-13 in an open-market or private transaction at $106.12 per share. After the sale she holds 30,039 shares directly, plus 75 shares held indirectly by her daughter.

Insider Trade Summary

Net Seller: 3,000 shares

Net Sell 2 txns

Insider TURNBULL CHERYL L

Role Director

Sold 3,000 shs ($318K)

Type	Security	Shares	Price	Value
Sale	Common Stock	3,000	$106.12	$318K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 30,039 shares (Direct); Common Stock — 75 shares (Indirect, By daughter)

Key Figures

Shares sold: 3,000 shares Sale price per share: $106.12 per share Direct holdings after transaction: 30,039 shares +1 more

4 metrics

Shares sold 3,000 shares Common Stock sale on 2026-08-13 by director Cheryl L. Turnbull

Sale price per share $106.12 per share Price for the 3,000-share Common Stock sale on 2026-08-13

Direct holdings after transaction 30,039 shares Direct GFF Common Stock held by Cheryl L. Turnbull following the sale

Indirect holdings after transaction 75 shares Indirect GFF Common Stock ownership described as "By daughter"

Key Terms

open market, indirect, nature of ownership

3 terms

open market financial

"Sale in open market or private transaction"

An open market is a system where buying and selling of goods, services, or financial assets happen freely without restrictions or special controls. For investors, it means they can trade assets easily and quickly, which helps determine fair prices based on supply and demand. This environment encourages transparency and competition, making it easier to buy or sell with confidence.

indirect financial

"total_shares_following_transaction: 75.0000, direct_or_indirect: I"

nature of ownership financial

"nature_of_ownership: "By daughter""

FAQ

What insider transaction did GRIFFON CORP (GFF) report for Cheryl L. Turnbull?

Cheryl L. Turnbull reported selling 3,000 GFF common shares on 2026-08-13. The transaction was coded as a sale in an open-market or private transaction at $106.12 per share, according to the Form 4 filing details.

At what price did Cheryl L. Turnbull sell GFF shares?

She sold the 3,000 GFF shares at a reported price of $106.12 per share. The filing notes this as a per-share transaction price for a sale in an open-market or private transaction on 2026-08-13.

How many GFF shares does Cheryl L. Turnbull own after this Form 4 sale?

After the sale, she holds 30,039 GFF common shares directly. The Form 4 also reports an additional 75 shares held indirectly, classified as owned "By daughter," reflecting a separate indirect ownership position.

Does the Form 4 for GFF indicate any indirect ownership by Cheryl L. Turnbull?

Yes. In addition to direct holdings, the Form 4 shows 75 GFF shares held indirectly with the nature of ownership described as "By daughter." This entry is a holding record, not a new buy or sell transaction.

Was the GFF Form 4 sale by Cheryl L. Turnbull under a Rule 10b5-1 plan?

The filing’s Rule 10b5-1 checkbox is not marked as affirmative. There is no specific footnote in this Form 4 stating that the 3,000-share sale on 2026-08-13 was executed under a Rule 10b5-1 trading plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/14/2026 - 04:35 PM Accepted by SEC EDGAR 08/14/2026 - 04:31 PM Learn about SEC filing dates

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^*

TURNBULL CHERYL L

(Last) (First) (Middle)

C/O GRIFFON CORPORATION

712 FIFTH AVENUE

(Street)

NEW YORK NEW YORK 10019

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/13/2026

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

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

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

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	08/13/2026		S		3,000	D	$106.12	30,039	D
Common Stock								75	I	By daughter

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:

Remarks:

	/s/ Seth L. Kaplan, as attorney-in-fact	08/14/2026
	** 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.
* Form 4: SEC 1474 (03-26)