Griffon Corporation (GFF) insider plans Rule 144 sale of 3,000 common shares

Rhea-AI Filing Summary

Griffon Corporation has a planned sale under Rule 144 of 3,000 shares of common stock through Fidelity Brokerage Services LLC on or after August 13, 2026 on the NYSE. The shares have an aggregate market value of $320,250.00. The stock originates from the vesting of restricted stock awards of 1,525 shares on March 20, 2025 and 1,475 shares on March 15, 2024.

Key Figures

Planned shares to be sold: 3,000 shares Aggregate market value: $320,250.00 Planned sale date: 08/13/2026 +2 more

5 metrics

Planned shares to be sold 3,000 shares Common stock subject to Rule 144 sale

Aggregate market value $320,250.00 Value of 3,000 shares proposed for sale

Planned sale date 08/13/2026 Date tied to the proposed NYSE transaction

Restricted stock vesting 2025 1,525 shares Vesting of restricted stock on 03/20/2025

Restricted stock vesting 2024 1,475 shares Vesting of restricted stock on 03/15/2024

Key Terms

Rule 144, restricted stock, vesting

3 terms

Rule 144 regulatory

"planned sale under Rule 144 of 3,000 shares of common stock"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

restricted stock financial

"Vesting of restricted stock on March 20, 2025 and March 15, 2024"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

vesting financial

"stock originates from the vesting of restricted stock awards"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

FAQ

What does Griffon Corporation (GFF) disclose in this Form 144 filing?

The filing reports a planned sale of 3,000 shares of Griffon Corporation common stock under Rule 144, with an aggregate market value of $320,250.00, to be executed on or after August 13, 2026 on the NYSE.

How many Griffon Corporation (GFF) shares are planned to be sold and at what value?

The plan covers 3,000 common shares of Griffon Corporation with an aggregate market value of $320,250.00. This reflects the reported market valuation tied to the proposed Rule 144 sale through Fidelity Brokerage Services LLC.

When were the Griffon Corporation (GFF) shares to be sold under Form 144 originally acquired?

The 3,000 shares come from restricted stock vesting events: 1,525 shares vested on March 20, 2025 and 1,475 shares vested on March 15, 2024, both identified as vesting of restricted stock from Griffon Corporation.

On which exchange will the Griffon Corporation (GFF) Form 144 shares be sold?

The planned Rule 144 sale of 3,000 Griffon Corporation common shares is listed to occur on the NYSE. Fidelity Brokerage Services LLC is indicated in connection with the proposed transaction and share disposition.

Does the Griffon Corporation (GFF) Form 144 show any shares sold in the past 3 months?

The Form 144 includes a section for securities sold during the past 3 months, and the provided data does not list any completed sales there, focusing only on the proposed 3,000-share transaction.

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

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Available on EDGAR 08/13/2026 - 12:25 PM Accepted by SEC EDGAR 08/13/2026 - 12:25 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	FIDELITY BROKERAGE SERVICES LLC 245 Summer Street BOSTON MA 02110	3000	320250.00	45294716	08/13/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	03/20/2025	Vesting of restricted stock	Griffon Corporation			1525	03/20/2025	N/A
Common	03/15/2024	Vesting of restricted stock	Griffon Corporation			1475	03/15/2024	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)