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  4. [Form 4] GRIFFON CORP Insider Trading Activity

Griffon Corp (GFF) CFO sells 6,183 shares, still holds over 140K

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Griffon Corp EVP and CFO Brian G. Harris reported an open-market sale of 6,183 shares of common stock. The shares were sold on June 30, 2026 at a weighted average price of $98.01 per share, with individual trade prices ranging from $98.00 to $98.37.

After this sale, Harris directly holds 144,966 shares of Griffon common stock. He also has an indirect holding of 4,944 shares through an ESOP, giving him a substantial remaining equity stake in the company.

Positive

  • None.

Negative

  • None.

Insights

CFO executes a modest open-market sale while retaining a large share position.

The filing shows Brian G. Harris, EVP and CFO of Griffon Corp, completed an open-market sale of 6,183 common shares at a weighted average of $98.01. Trades occurred between $98.00 and $98.37, indicating orderly execution rather than a block trade.

Following the transaction, Harris still directly owns 144,966 shares and indirectly holds 4,944 through an ESOP. With no derivative exercises reported and a sizable remaining position, this appears as a routine liquidity event rather than a transformational move. The filing does not mention any Rule 10b5-1 trading plan, so timing context is limited.

Insider Harris Brian G
Role EVP, Chief Financial Officer
Sold 6,183 shs ($606K)
Type Security Shares Price Value
Sale Common Stock 6,183 $98.01 $606K
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 144,966 shares (Direct); Common Stock — 4,944 shares (Indirect, By ESOP)
Footnotes (1)
  1. 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.
Shares sold 6,183 shares Open-market sale of common stock on June 30, 2026
Weighted average sale price $98.01 per share Average price for 6,183 shares sold
Sale price range $98.00–$98.37 per share Price range for multiple sale transactions
Direct holdings after sale 144,966 shares Common stock directly owned post-transaction
Indirect ESOP holdings 4,944 shares Common stock held indirectly by ESOP
weighted average price financial
"The price reported in Column 4 is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
open-market sale financial
"transaction_action": "open-market sale""
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
ESOP financial
"nature_of_ownership": "By ESOP""
An Employee Stock Ownership Plan (ESOP) is a program that gives employees ownership shares in their company, often as part of their benefits package. It acts like a company-sponsored savings plan, allowing workers to have a stake in the company's success, which can boost motivation and loyalty. For investors, ESOPs can influence company decisions and stock value, making them an important aspect of corporate ownership and governance.
indirect financial
"ownership_type": "indirect""

FAQ

What insider transaction did Griffon Corp (GFF) CFO Brian Harris report?
Brian G. Harris reported an open-market sale of 6,183 Griffon Corp common shares. The sale occurred on June 30, 2026 at a weighted average price of $98.01 per share, according to the Form 4 insider filing.

At what price did the GFF CFO sell his Griffon Corp shares?
The Griffon Corp CFO sold 6,183 shares at a weighted average price of $98.01. The filing notes multiple trades, with individual prices ranging from $98.00 to $98.37 per share during the June 30, 2026 transaction.

How many Griffon Corp (GFF) shares does the CFO hold after this Form 4 sale?
After the reported sale, the CFO directly holds 144,966 Griffon Corp common shares. The filing also shows an indirect holding of 4,944 shares through an ESOP, indicating continued significant ownership following the June 30, 2026 transaction.

Was the Griffon Corp (GFF) CFO’s share sale a market transaction?
Yes, the Form 4 describes the transaction as an open-market sale of common stock. Shares were sold in multiple trades between $98.00 and $98.37, producing a weighted average sale price of $98.01 for the 6,183 shares disposed.

Does the Griffon Corp (GFF) Form 4 show any derivative exercises by the CFO?
No, the insider filing does not report any option or derivative exercises. It lists one open-market sale of 6,183 common shares and an ESOP-related holding entry, with no derivative positions shown in the derivative summary section.

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

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SEC Form 4
FORM 4UNITED 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).
X
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*
Harris Brian G
(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)
Director10% Owner
XOfficer (give title below)Other (specify below)
EVP, Chief Financial Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/30/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock06/30/2026S6,183D$98.01(1)144,966D
Common Stock4,944IBy 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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. 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.
Remarks:
/s/ Seth L. Kaplan, as attorney-in-fact07/02/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR