Griffon Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

DB:GFF Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
17 Jun 26	Sell€293,361	Robert Mehmel	Individual	3,565	€83.03
15 Jun 26	Sell€720,319	Robert Mehmel	Individual	8,773	€82.23
12 Jun 26	Sell€8,198,333	Ronald Kramer	Individual	100,000	€82.23
11 Jun 26	Sell€618,503	Brian Harris	Individual	7,500	€82.47
05 Mar 26	Buy€69,175	Henry Alpert	Individual	1,000	€69.18
17 Feb 26	Sell€777,606	W. Durborow	Individual	10,000	€77.76
13 Feb 26	Sell€862,536	Louis Grabowsky	Individual	11,000	€78.41
12 Feb 26	Sell€128,701	Michelle Taylor	Individual	1,650	€78.00
09 Feb 26	Sell€248,011	James Sight	Individual	3,070	€80.79
09 Feb 26	Sell€1,202,884	Seth Kaplan	Individual	15,000	€81.89

Insider Trading Volume

Insider Buying: GFF insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of GFF?
Owner Type	Number of Shares	Ownership Percentage
State or Government	20,140	0.0439%
Individual Insiders	3,271,416	7.13%
General Public	5,773,702	12.6%
Institutions	36,797,277	80.2%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 61.82% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
13%	BlackRock, Inc.	5,962,365	€504.8m	0.47%	0.01%
8.17%	Vanguard Portfolio Management, LLC	3,745,114	€317.1m	0%	0.02%
4.18%	Vanguard Capital Management, LLC	1,918,661	€162.4m	0%	no data
3.99%	Ronald Kramer	1,829,835	€154.9m	-30.4%	no data
3.98%	Voss Capital, LP	1,825,000	€154.5m	3.69%	7.77%
3.27%	State Street Global Advisors, Inc.	1,499,356	€126.9m	-2.35%	no data
2.21%	Dimensional Fund Advisors LP	1,011,360	€85.6m	-3.53%	0.01%
2.18%	Fuller & Thaler Asset Management, Inc.	1,002,013	€84.8m	-0.05%	0.26%
2.01%	Geode Capital Management, LLC	923,975	€78.2m	0.2%	no data
1.76%	Robert Mehmel	807,170	€68.3m	-31%	no data
1.75%	GAMCO Investors, Inc.	804,548	€68.1m	-0.75%	0.25%
1.69%	Nomura Investment Management Business Trust	776,551	€65.7m	2.92%	0.08%
1.48%	LSV Asset Management	678,338	€57.4m	-21.8%	0.1%
1.36%	Raymond James Financial, Inc.	623,785	€52.8m	-13.2%	0.02%
1.27%	Point72 Asset Management, L.P.	582,696	€49.3m	-11.6%	0.08%
1.25%	Crestline Investors Inc.	572,257	€48.5m	45%	1.35%
1.22%	Charles Schwab Investment Management, Inc.	558,925	€47.3m	1.89%	0.01%
1.19%	Renaissance Technologies LLC	547,351	€46.3m	18.9%	0.07%
0.91%	Northern Trust Global Investments	418,365	€35.4m	2.1%	no data
0.91%	PRIMECAP Management Company	417,097	€35.3m	1.6%	0.02%
0.88%	FMR LLC	402,765	€34.1m	42%	no data
0.85%	Bessemer Investment Management LLC	391,441	€33.1m	68.1%	0.04%
0.79%	BNY Asset Management	362,620	€30.7m	-2.62%	0.01%
0.76%	Driehaus Capital Management LLC	349,580	€29.6m	0%	0.13%
0.74%	Segall Bryant & Hamill, LLC	341,458	€28.9m	5.43%	0.36%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/06/29 21:21
End of Day Share Price	2026/06/26 00:00
Earnings	2026/03/31
Annual Earnings	2025/09/30

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Griffon Corporation is covered by 10 analysts. 7 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Timothy Wojs	Baird
Robert Labick	CJS Securities, Inc.
Collin Verron	Deutsche Bank