Insider Transactions Reported by 19 Insiders of GRIFFON CORP

Symbol
GFF on NYSE
Location
New York, NY

Insiders trading volume in the past year

GRIFFON CORP executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Ronald J. Kramer Chairman of the Board and CEO, Director $131,228,780 24 Dec 2025
Travis W. Cocke Director, Other* $87,385,385 20 Feb 2024
Robert F. Mehmel President and COO $61,462,846 30 Nov 2025
Brian G. Harris EVP, Chief Financial Officer $12,269,178 30 Nov 2025
Seth L. Kaplan Sr VP, Gen. Counsel and Secy $12,029,683 -$1,431,664 -11% 09 Feb 2026
Henry A. Alpert Director $5,717,605 +$79,990 +1.4% 05 Mar 2026
Kevin F. Sullivan Director $3,309,414 18 Feb 2026
Louis J. Grabowsky Director $3,227,470 -$1,023,660 -24% 18 Feb 2026
W. Christopher Durborow Vice President & CAO $3,000,327 -$919,700 -23% 17 Feb 2026
Robert G. Harrison Director $2,846,251 03 Mar 2022
Cheryl L. Turnbull Director $2,484,874 18 Feb 2026
Thomas Brosig Director $2,222,459 03 Mar 2022
Lacy M. Johnson Director $1,984,282 18 Feb 2026
Samanta Hegedus Director $1,955,167 18 Feb 2026
Victor Eugene Renuart Director $1,631,092 20 Mar 2024
Jerome L. Coben Director $1,460,203 18 Feb 2026
James W. Sight Director $1,141,508 -$295,181 -21% 18 Feb 2026
H.c. Charles Diao Director $901,455 18 Feb 2026
Michelle L. Taylor Director $777,639 -$152,724 -16% 18 Feb 2026

Recent Insider Transactions by Companies or Individuals for GRIFFON CORP

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Henry A. Alpert GFF Common Stock Purchase 1.42% $79,990 $79.99 1,000 71,479 05 Mar 2026 Direct
Louis J. Grabowsky GFF Common Stock Award 3.22% 1,340 43,010 18 Feb 2026 Direct
Lacy M. Johnson GFF Common Stock Award 5.34% 1,340 26,443 18 Feb 2026 Direct
Henry A. Alpert GFF Common Stock Award 1.94% 1,340 70,479 18 Feb 2026 Direct
Kevin F. Sullivan GFF Common Stock Award 3.13% 1,340 44,102 18 Feb 2026 Direct
James W. Sight GFF Common Stock Award 9.66% 1,340 15,212 18 Feb 2026 Direct
Samanta Hegedus GFF Common Stock Award 5.42% 1,340 26,055 18 Feb 2026 Direct
Cheryl L. Turnbull GFF Common Stock Award 4.23% 1,340 33,039 18 Feb 2026 Direct
Michelle L. Taylor GFF Common Stock Award 14.8% 1,340 10,363 18 Feb 2026 Direct
Jerome L. Coben GFF Common Stock Award 7.4% 1,340 19,459 18 Feb 2026 Direct
H.c. Charles Diao GFF Common Stock Award 12.6% 1,340 12,013 18 Feb 2026 Direct
W. Christopher Durborow GFF Common Stock Sale -25% $919,700 $91.97 -10,000 29,963 17 Feb 2026 Direct
Louis J. Grabowsky GFF Common Stock Sale -20.9% $1,023,660 $93.06 -11,000 41,670 13 Feb 2026 Direct
Michelle L. Taylor GFF Common Stock Sale -15.5% $152,724 $92.56 -1,650 9,023 12 Feb 2026 Direct
Seth L. Kaplan GFF Common Stock Sale -11.1% $1,431,664 $95.44 -15,000 119,747 09 Feb 2026 Direct
James W. Sight GFF Common Stock Sale -18.1% $295,180 $96.15 -3,070 13,872 09 Feb 2026 Direct
Ronald J. Kramer GFF Common Stock Gift -3.47% -67,785 1,884,297 24 Dec 2025 Direct
Seth L. Kaplan GFF Common Stock Gift -0.44% -600 134,747 22 Dec 2025 Direct
Henry A. Alpert GFF Common Stock Gift -3.02% -2,150 69,139 04 Dec 2025 Direct
Brian G. Harris GFF Common Stock Tax liability -4.58% -7,610 158,649 30 Nov 2025 Direct
Ronald J. Kramer GFF Common Stock Tax liability -3.66% -74,079 1,952,082 30 Nov 2025 Direct
Seth L. Kaplan GFF Common Stock Tax liability -6.18% -8,921 135,347 30 Nov 2025 Direct
W. Christopher Durborow GFF Common Stock Tax liability -9.8% -4,343 39,963 30 Nov 2025 Direct
Robert F. Mehmel GFF Common Stock Tax liability -3.2% -26,928 815,289 30 Nov 2025 Direct
Ronald J. Kramer GFF Common Stock Award 7.24% 136,864 2,026,161 18 Nov 2025 Direct
Robert F. Mehmel GFF Common Stock Award 8.84% 68,432 842,217 18 Nov 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.