InsiderClue
Stocks · Industrials · Metal Doors, Sash, Frames, Moldings & Trim

GRIFFON CORP

GFF Clue Score34
United States Fiscal year ends September CIK 0000050725 Results filed 5 Aug 2026
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What the insiders did Net selling

Individual transactions

29
Insider
Date
Role
Action
Shares
Price
Amount
Henry A Alpert
5 Mar 2026
Director
Buy
1,000
$79.99
$79.99K
Lacy M. Johnson
22 Dec 2021
Director
Buy
2,500
$28.04
$70.10K
Thomas Brosig
21 Dec 2021
Director
Buy
1,922
$25.96
$49.90K
Louis J. Grabowsky
21 Dec 2021
Director
Buy
5,900
$25.63
$151.22K
Henry A Alpert
21 Dec 2021
Director
Buy
3,000
$26.40
$79.20K
Jerome L Coben
21 Dec 2021
Director
Buy
2,000
$26.41
$52.82K
Kevin F Sullivan
21 Dec 2021
Director
Buy
3,500
$26.24
$91.84K
Henry A Alpert
4 Dec 2020
Director
Buy
5,000
$20.02
$100.10K
Jerome L Coben
16 Nov 2020
Director
Buy
1,000
$19.95
$19.95K
Thomas Brosig
27 Mar 2020
Director
Buy
4,075
$12.02
$48.96K
Kevin F Sullivan
26 Mar 2020
Director
Buy
8,500
$11.60
$98.58K
Kevin F Sullivan
6 Feb 2020
Director
Buy
5,000
$19.82
$99.10K
Seth L. Kaplan
4 Dec 2018
Sr VP, Gen. Counsel and Secy
Buy
4,500
$11.62
$52.29K
Brian G Harris
4 Dec 2018
SVP, Chief Financial Officer
Buy
3,000
$11.60
$34.80K
Brian G Harris
3 Dec 2018
SVP, Chief Financial Officer
Buy
1,000
$12.10
$12.10K
W. Christopher Durborow
3 Dec 2018
VP, Controller and CAO
Buy
2,550
$11.94
$30.45K
Ronald J Kramer
29 Nov 2018
Chairman of the Board and CEO
Buy
5,000
$12.24
$61.20K
Ronald J Kramer
28 Nov 2018
Chairman of the Board and CEO
Buy
5,000
$12.41
$62.05K
Ronald J Kramer
27 Nov 2018
Chairman of the Board and CEO
Buy
5,000
$11.96
$59.80K
Ronald J Kramer
26 Nov 2018
Chairman of the Board and CEO
Buy
5,000
$12.12
$60.60K
Ronald J Kramer
23 Nov 2018
Chairman of the Board and CEO
Buy
5,000
$11.86
$59.30K
Brian G Harris
23 Nov 2018
SVP, Chief Financial Officer
Buy
2,000
$11.80
$23.60K
Ronald J Kramer
21 Nov 2018
Chairman of the Board and CEO
Buy
5,000
$12.72
$63.60K
Ronald J Kramer
19 Nov 2018
Chairman of the Board and CEO
Buy
10,000
$11.97
$119.70K
Ronald J Kramer
16 Nov 2018
Chairman of the Board and CEO
Buy
19,997
$12.20
$243.96K
Henry A Alpert
3 Aug 2018
Director
Buy
5,000
$18.09
$90.45K
Cheryl L Turnbull
18 Jun 2018
Director
Buy
10,625
$18.00
$191.25K
Louis J. Grabowsky
2 Feb 2018
Director
Buy
2,500
$18.33
$45.83K
Louis J. Grabowsky
21 Nov 2017
Director
Buy
11,000
$23.30
$256.30K
Show all 207 transactions →

What was left out

Form 4 filings counted 307
Amendments (4/A) skipped 4
Filings about a different issuer 0
Unreadable filings 0
Joint filings 9
Sales on a Rule 10b5-1 plan 93
Sales straight out of an exercise 0
Sales at will 53
Transactions with no price 0
Shares from compensation/vesting 10,412,809
Sales filed before the plan box existed 11
History held since 14 Dec 2006