Brian G. Harris - 30 Jun 2026 Form 4 Insider Report for GRIFFON CORP (GFF)

Reporting relationship: EVP, Chief Financial Officer
Issuer ticker: GFF
Reported as of: 30 Jun 2026
Net transaction value: -$605,996
SEC form: 4
Accepted by SEC: 02 Jul 2026, 17:00:25 UTC
Prior SEC filing: 15 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Seth L. Kaplan, as attorney-in-fact

Key filing fact

Brian G. Harris filed Form 4 for GRIFFON CORP (GFF) on 02 Jul 2026.

Key facts

This page summarizes Brian G. Harris's Form 4 filing for GRIFFON CORP (GFF).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 02 Jul 2026, 17:00.

Change

Previous filing in this sequence was filed on 15 Jun 2026.
Current net transaction value: -$605,996.

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 0001470077 Primary reporting owner

Harris Brian G

Relationship: EVP, Chief Financial Officer
Address: C/O GRIFFON CORPORATION, 712 FIFTH AVENUE, NEW YORK
Signature: /s/ Seth L. Kaplan, as attorney-in-fact
Signature date: 02 Jul 2026

Reported non-derivative transactions

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

GFF transaction

Common Stock

Sale

Transaction value: $605,996
Shares: -6,183
Change %: -4.1%
Price: $98.01
Shares after: 144,966
Date: 30 Jun 2026
Ownership: Direct
Footnotes: F1

GFF holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 4,944
Date: 30 Jun 2026
Ownership: By ESOP

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

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 1 footnote

Footnote F1

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $98.00 to $98.37, 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 range set forth in this footnote.