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Griffon Corp (NYSE: GFF) CEO sells 100,000 shares in 10b5-1 plan

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

Rhea-AI Filing Summary

Griffon Corp Chairman and CEO Ronald J. Kramer reported selling 100,000 shares of common stock on August 5, 2026 in five sale transactions reported as open-market or private transactions under a Rule 10b5-1 trading plan. Each reported per-share price is a weighted average, with weighted-average prices of $100.4400, $101.5800, $102.6300, $103.3700 and $104.2700 across trade ranges from $100.00 to $104.60. Indirect holdings reported after these trades include 5,240 shares held by an ESOP and 40,298 shares held by his spouse.

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Insider KRAMER RONALD J
Role Chairman of the Board and CEO
Sold 100,000 shs ($10.24M)
Type Security Shares Price Value
Sale Common Stock F1 12,916 $100.44 $1.30M
Sale Common Stock F2 17,322 $101.58 $1.76M
Sale Common Stock F3 45,240 $102.63 $4.64M
Sale Common Stock F4 16,402 $103.37 $1.70M
Sale Common Stock F5 8,120 $104.27 $847K
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 1,684,297 shares (Direct); Common Stock — 5,240 shares (Indirect, By ESOP); Common Stock — 40,298 shares (Indirect, By Spouse)
Footnotes (5)
  1. F1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.00 to $100.99, 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), (3), (4) and (5) to this Form 4.
  2. F2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.995 to $101.99, inclusive.
  3. F3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.01 to $102.99, inclusive.
  4. F4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.00 to $103.99, inclusive.
  5. F5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.995 to $104.60, inclusive.
Total shares sold 100000 shares Common Stock sold by Ronald J. Kramer on 2026-08-05 across five transactions
Tranche 1 sale 12916.0000 shares at $100.4400 per share Weighted-average price; actual trades ranged from $100.00 to $100.99
Tranche 2 sale 17322.0000 shares at $101.5800 per share Weighted-average price; actual trades ranged from $100.995 to $101.99
Tranche 3 sale 45240.0000 shares at $102.6300 per share Weighted-average price; actual trades ranged from $102.01 to $102.99
Tranche 4 sale 16402.0000 shares at $103.3700 per share Weighted-average price; actual trades ranged from $103.00 to $103.99
Tranche 5 sale 8120.0000 shares at $104.2700 per share Weighted-average price; actual trades ranged from $103.995 to $104.60
Indirect ESOP holdings 5240.0000 shares Indirect ownership reported as By ESOP after the reported transactions
Indirect spouse holdings 40298.0000 shares Indirect ownership reported as By Spouse after the reported transactions
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.
ESOP financial
"Indirect ownership nature is described as By ESOP for certain shares."
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 marked as indirect for ESOP and spouse share holdings."
open market financial
"Transaction code description states 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.

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

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FAQ

What insider stock sale did Griffon Corp (GFF) disclose for Ronald J. Kramer?
Griffon Corp reported that Chairman and CEO Ronald J. Kramer sold 100,000 shares of common stock on August 5, 2026 in five transactions. The sales used weighted-average prices and are affirmed as made under a Rule 10b5-1 trading plan.

At what prices did the GFF CEO sell shares on August 5, 2026?
The reported weighted-average sale prices were $100.4400, $101.5800, $102.6300, $103.3700 and $104.2700. Footnotes state the actual trades occurred in ranges from $100.00 up to $104.60 per share, inclusive.

Were the August 2026 insider sales at Griffon (GFF) under a Rule 10b5-1 plan?
Yes. The filing’s Rule 10b5-1 checkbox is marked, indicating the reported 100,000-share sale was executed under a pre-arranged trading plan. Such plans are designed to schedule trades in advance, reducing inferences from trade timing.

How many sale tranches did the GFF CEO use to sell 100,000 shares?
Ronald J. Kramer reported five separate sale entries on August 5, 2026, all in Griffon common stock. These tranches ranged from 8,120 shares to 45,240 shares each, all described as open-market or private sale transactions.

What Griffon (GFF) shares does Ronald J. Kramer still hold indirectly after these sales?
Indirect holdings reported after the transactions include 5,240 shares held through an ESOP and 40,298 shares held by his spouse. The Form 4 does not state a combined total position across all direct and indirect holdings.
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*
KRAMER RONALD J
(Last)(First)(Middle)
C/O GRIFFON CORPORATION
712 FIFTH AVENUE, 18TH FLOOR
(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)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
Chairman of the Board and CEO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/05/2026		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 Stock08/05/2026S12,916D$100.44(1)1,771,381D
Common Stock08/05/2026S17,322D$101.58(2)1,754,059D
Common Stock08/05/2026S45,240D$102.63(3)1,708,819D
Common Stock08/05/2026S16,402D$103.37(4)1,692,417D
Common Stock08/05/2026S8,120D$104.27(5)1,684,297D
Common Stock5,240IBy ESOP
Common Stock40,298IBy Spouse
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 $100.00 to $100.99, 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), (3), (4) and (5) to this Form 4.
2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.995 to $101.99, inclusive.
3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.01 to $102.99, inclusive.
4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.00 to $103.99, inclusive.
5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.995 to $104.60, inclusive.
Remarks:
/s/ Seth L. Kaplan, as attorney-in-fact08/07/2026
** 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