Griffon Corporation GFF NYSE

NYSE • Industrials • Conglomerates • US • USD

SharesGrow Score

56/100

1/7 Pass

SharesGrow Intrinsic Value

Griffon Corporation (GFF) has 20 known insider and institutional holders on record. The largest holder is Cardinale Gerald J. with 10,017,087 shares. Other notable holders include GOLDMAN SACHS & CO and KRAMER RONALD J.

Over the last 12 months, insiders have made 26 transactions in GFF stock — 13 buys (valued at $79.99K) and 5 sells (valued at $2.43M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.

GFF Insider Ownership

Top Holder

Cardinale Gerald J.

10,017,087 shares

Buys (12 mo)

$79.99K value

Sells (12 mo)

$2.43M value

12-Month Transaction Activity

Buy 50%

Sell 19%

Top Insider Holders

#	Name	Role	Shares Owned	Last Filed	Relative Size
1	Cardinale Gerald J.	Director	10,017,087	2013-02-01	100%
2	Goldman Sachs & Co	10 Percent Owner	5,575,976	2014-02-03	56%
3	Kramer Ronald J	Chairman of the Board and CEO	1,884,297	2025-12-30	19%
4	Mehmel Robert F	President and COO	815,289	2025-12-02	8%
5	Goldman Sachs Group Inc	10 Percent Owner	649,296	2018-06-21	6%
6	Gross Bradley J.	Director	649,296	2018-06-21	6%
7	Balemian Robert	President	260,700	2005-02-09	3%
8	Wetmore Douglas J	Exec. VP and CFO	254,311	2014-02-13	3%
9	Edelstein Eric P	Executive Vice President	250,000	2005-03-03	2%
10	Harris Brian G	EVP, Chief Financial Officer	158,649	2025-12-02	2%
11	Alesia Patrick	Sr VP and Chief Admin Officer	137,316	2011-02-09	1%
12	Kaplan Seth L.	Sr VP, Gen. Counsel and Secy	119,747	2026-02-11	1%
13	Smith Franklin H Jr	Executive Vice President	102,997	2008-05-09	1%
14	Alpert Henry A	Director	71,479	2026-03-09	1%
15	Waldorf William	Director	62,643	2021-02-01	1%
16	Fogg Blaine V	Director	59,759	2019-01-31	1%
17	Harrison Robert G	Director	50,296	2022-03-04	1%
18	Sussman Martin S	Director	46,848	2015-01-30	0%
19	Sullivan Kevin F	Director	44,102	2026-02-20	0%
20	Grabowsky Louis J.	Director	43,010	2026-02-20	0%

Recent Transactions (last 12 months)

Date	Name	Role	Type	Shares	Price	Value
2026-03-05	Alpert Henry A	Director	Informative Buy	1,000	$79.99	$79.99K
2026-02-18	Taylor Michelle L	Director	RSU Award	1,340	-	-
2026-02-18	Hegedus Samanta	Director	RSU Award	1,340	-	-
2026-02-18	Johnson Lacy M.	Director	RSU Award	1,340	-	-
2026-02-18	Grabowsky Louis J.	Director	RSU Award	1,340	-	-
2026-02-18	Diao H.c. Charles	Director	RSU Award	1,340	-	-
2026-02-18	Sullivan Kevin F	Director	RSU Award	1,340	-	-
2026-02-18	Coben Jerome L	Director	RSU Award	1,340	-	-
2026-02-18	Alpert Henry A	Director	RSU Award	1,340	-	-
2026-02-18	Turnbull Cheryl L	Director	RSU Award	1,340	-	-
2026-02-18	Sight James W	Director	RSU Award	1,340	-	-
2026-02-17	Durborow W. Christopher	Vice President & CAO	Informative Sell	10,000	$91.97	$919.7K
2026-02-12	Taylor Michelle L	Director	Informative Sell	1,650	$92.56	$152.72K
2026-02-13	Grabowsky Louis J.	Director	Informative Sell	11,000	$93.06	$1.02M
2026-02-09	Kaplan Seth L.	Sr VP, Gen. Counsel and Secy	Informative Sell	400	$97.46	$38.98K
2026-02-09	Sight James W	Director	Informative Sell	3,070	$96.15	$295.18K
2025-12-24	Kramer Ronald J	Chairman of the Board and CEO	Gift (Given)	5,000	-	-
2025-12-22	Kaplan Seth L.	Sr VP, Gen. Counsel and Secy	Gift (Given)	600	-	-
2025-12-04	Alpert Henry A	Director	Gift (Given)	2,150	-	-
2025-11-30	Durborow W. Christopher	Vice President & CAO	Tax Withholding of RSU	4,343	$75.00	$325.73K
2025-11-30	Kaplan Seth L.	Sr VP, Gen. Counsel and Secy	Tax Withholding of RSU	8,921	$75.00	$669.08K
2025-11-30	Harris Brian G	EVP, Chief Financial Officer	Tax Withholding of RSU	7,610	$75.00	$570.75K
2025-11-30	Mehmel Robert F	President and COO	Tax Withholding of RSU	26,928	$75.00	$2.02M
2025-11-30	Kramer Ronald J	Chairman of the Board and CEO	Tax Withholding of RSU	74,079	$75.00	$5.56M
2025-11-18	Mehmel Robert F	President and COO	RSU Award	68,432	-	-