Seth L. Kaplan - 09 Feb 2026 Form 4 Insider Report for GRIFFON CORP (GFF)

Reporting relationship: Sr VP, Gen. Counsel and Secy
Issuer ticker: GFF
Reported as of: 09 Feb 2026
Net transaction value: -$1,431,664
SEC form: 4
Accepted by SEC: 11 Feb 2026, 16:30:18 UTC
Prior SEC filing: 23 Dec 2025
Source filing: View source filing
Reporting owner signature: /s/ Seth L. Kaplan

Key filing fact

Seth L. Kaplan filed Form 4 for GRIFFON CORP (GFF) on 11 Feb 2026.

Key facts

This page summarizes Seth L. Kaplan's Form 4 filing for GRIFFON CORP (GFF).
4 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 11 Feb 2026, 16:30.

Change

Previous filing in this sequence was filed on 23 Dec 2025.
Current net transaction value: -$1,431,664.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001491551 Primary reporting owner

Kaplan Seth L.

Relationship: Sr VP, Gen. Counsel and Secy
Address: 712 FIFTH AVENUE, 18TH FLOOR, NEW YORK
Signature: /s/ Seth L. Kaplan
Signature date: 11 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

GFF transaction

Common Stock

Sale

Transaction value: $670,832
Shares: -7,086
Change %: -5.3%
Price: $94.67
Shares after: 127,661
Date: 09 Feb 2026
Ownership: Direct
Footnotes: F1

GFF transaction

Common Stock

Sale

Transaction value: $408,637
Shares: -4,274
Change %: -3.3%
Price: $95.61
Shares after: 123,387
Date: 09 Feb 2026
Ownership: Direct
Footnotes: F2

GFF transaction

Common Stock

Sale

Transaction value: $313,211
Shares: -3,240
Change %: -2.6%
Price: $96.67
Shares after: 120,147
Date: 09 Feb 2026
Ownership: Direct
Footnotes: F3

GFF transaction

Common Stock

Sale

Transaction value: $38,984
Shares: -400
Change %: -0.33%
Price: $97.46
Shares after: 119,747
Date: 09 Feb 2026
Ownership: Direct

GFF holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 4,786
Date: 09 Feb 2026
Ownership: by ESOP

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $94.25 to $95.24, inclusive. The reporting person undertakes to provide Griffon Corporation, any security holder of Griffon Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares disposed of at each price within the ranges set forth in footnotes (1), (2) and (3) to this Form 4.

Footnote F2

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $95.25 to $96.24, inclusive.

Footnote F3

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $96.26 to $97.16, inclusive.