GFF Insider Trading

Griffon Corp · full profile →Last filing Jun 30, 2026
Net Selling · 180d
Open-Market Buys (180d)
$80K
1 insiders
Open-Market Sells (180d)
$17.5M
8 insiders
Net Insider Flow
-$17.4M
open market, 180d
Reporting Insiders
9
27 P/S transactions
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Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Jun 30, 2026Harris Brian GEVP, Chief Financial OfficerSell(S)6K$98.01$606K
Jun 30, 2026Mehmel Robert FPresident and COOSell(S)4K$97.76$407K
Jun 26, 2026Mehmel Robert FPresident and COOSell(S)230$95.52$22K
Jun 26, 2026Mehmel Robert FPresident and COOSell(S)52$96.14$5K
Jun 26, 2026Mehmel Robert FPresident and COOSell(S)4$97.50$390
Jun 25, 2026Mehmel Robert FPresident and COOSell(S)5K$95.62$492K
Jun 25, 2026Mehmel Robert FPresident and COOSell(S)2K$96.41$148K
Jun 25, 2026Mehmel Robert FPresident and COOSell(S)1K$97.27$116K
Jun 24, 2026Mehmel Robert FPresident and COOSell(S)5K$95.45$442K
Jun 24, 2026Mehmel Robert FPresident and COOSell(S)100$96.03$10K
Jun 17, 2026Mehmel Robert FPresident and COOSell(S)547$95.37$52K
Jun 16, 2026Mehmel Robert FPresident and COOSell(S)3K$95.36$279K
Jun 16, 2026Mehmel Robert FPresident and COOSell(S)97$96.25$9K
Jun 15, 2026Mehmel Robert FPresident and COOSell(S)3K$95.40$312K
Jun 12, 2026Kramer Ronald JChairman of the Board and CEO, DirectorSell(S)51K$95.21$4.9M
Jun 12, 2026Kramer Ronald JChairman of the Board and CEO, DirectorSell(S)49K$94.62$4.6M
Jun 12, 2026Mehmel Robert FPresident and COOSell(S)6K$95.18$524K
Jun 11, 2026Harris Brian GEVP, Chief Financial OfficerSell(S)8K$95.03$713K
Mar 5, 2026Alpert Henry ADirectorBuy(P)1K$79.99$80K
Feb 18, 2026Taylor Michelle LDirectorGrant(A)1K$0
Feb 18, 2026Turnbull Cheryl LDirectorGrant(A)1K$0
Feb 18, 2026Hegedus SamantaDirectorGrant(A)1K$0
Feb 18, 2026Sight James WDirectorGrant(A)1K$0
Feb 18, 2026Sullivan Kevin FDirectorGrant(A)1K$0
Feb 18, 2026Alpert Henry ADirectorGrant(A)1K$0
Feb 18, 2026Johnson Lacy M.DirectorGrant(A)1K$0
Feb 18, 2026Diao H.C. CharlesDirectorGrant(A)1K$0
Feb 18, 2026Coben Jerome LDirectorGrant(A)1K$0
Feb 18, 2026Grabowsky Louis J.DirectorGrant(A)1K$0
Feb 17, 2026Durborow W. ChristopherVice President & CAOSell(S)10K$91.97$920K
Feb 13, 2026Grabowsky Louis J.DirectorSell(S)11K$93.06$1.0M
Feb 12, 2026Taylor Michelle LDirectorSell(S)2K$92.56$153K
Feb 9, 2026Sight James WDirectorSell(S)3K$96.15$295K
Feb 9, 2026Kaplan Seth L.Sr VP, Gen. Counsel and SecySell(S)400$97.46$39K
Feb 9, 2026Kaplan Seth L.Sr VP, Gen. Counsel and SecySell(S)3K$96.67$313K
Feb 9, 2026Kaplan Seth L.Sr VP, Gen. Counsel and SecySell(S)4K$95.61$409K
Feb 9, 2026Kaplan Seth L.Sr VP, Gen. Counsel and SecySell(S)7K$94.67$671K
Dec 24, 2025Kramer Ronald JChairman of the Board and CEO, DirectorGift(G)63K$0
Dec 24, 2025Kramer Ronald JChairman of the Board and CEO, DirectorGift(G)5K$0
Dec 22, 2025Kaplan Seth L.Sr VP, Gen. Counsel and SecyGift(G)600$0
Dec 4, 2025Alpert Henry ADirectorGift(G)2K$0
Nov 30, 2025Mehmel Robert FPresident and COOTax withholding(F)27K$75.00$2.0M
Nov 30, 2025Durborow W. ChristopherVice President & CAOTax withholding(F)4K$75.00$326K
Nov 30, 2025Kaplan Seth L.Sr VP, Gen. Counsel and SecyTax withholding(F)9K$75.00$669K
Nov 30, 2025Kramer Ronald JChairman of the Board and CEO, DirectorTax withholding(F)74K$75.00$5.6M
Nov 30, 2025Harris Brian GEVP, Chief Financial OfficerTax withholding(F)8K$75.00$571K
Nov 18, 2025Mehmel Robert FPresident and COOGrant(A)68K$0
Nov 18, 2025Kramer Ronald JChairman of the Board and CEO, DirectorGrant(A)137K$0
Mar 11, 2025Grabowsky Louis J.DirectorGrant(A)2K$0
Mar 11, 2025Taylor Michelle LDirectorGrant(A)2K$0
Mar 11, 2025Diao H.C. CharlesDirectorGrant(A)2K$0
Mar 11, 2025Turnbull Cheryl LDirectorGrant(A)2K$0
Mar 11, 2025Sight James WDirectorGrant(A)2K$0
Mar 11, 2025Hegedus SamantaDirectorGrant(A)2K$0
Mar 11, 2025Johnson Lacy M.DirectorGrant(A)2K$0
Mar 11, 2025Coben Jerome LDirectorGrant(A)2K$0
Mar 11, 2025Alpert Henry ADirectorGrant(A)2K$0
Mar 11, 2025Sullivan Kevin FDirectorGrant(A)2K$0
Feb 27, 2025Alpert Henry ADirectorGift(G)1K$0
Feb 7, 2025Hegedus SamantaDirectorSell(S)1K$79.47$98K
Feb 6, 2025Sight James WDirectorSell(S)1K$81.00$110K
Feb 6, 2025Turnbull Cheryl LDirectorSell(S)3K$80.80$242K
Feb 4, 2025Mehmel Robert FPresident and COOTax withholding(F)112K$76.95$8.6M
Feb 4, 2025Mehmel Robert FPresident and COOGrant(A)36K$0
Feb 4, 2025Mehmel Robert FPresident and COOGrant(A)151K$0
Feb 4, 2025Kramer Ronald JChairman of the Board and CEO, DirectorGrant(A)303K$0
Feb 4, 2025Kramer Ronald JChairman of the Board and CEO, DirectorGrant(A)108K$0
Feb 4, 2025Kramer Ronald JChairman of the Board and CEO, DirectorTax withholding(F)378K$76.95$29.1M
Dec 6, 2024Durborow W. ChristopherVice President & CAOSell(S)5K$80.38$416K
Dec 5, 2024Kramer Ronald JChairman of the Board and CEO, DirectorGift(G)4K$0
Dec 2, 2024Harris Brian GEVP, Chief Financial OfficerSell(S)5K$83.11$379K
Dec 2, 2024Harris Brian GEVP, Chief Financial OfficerSell(S)14K$82.43$1.2M
Dec 2, 2024Kaplan Seth L.Sr VP, Gen. Counsel and SecySell(S)100$83.97$8K
Dec 2, 2024Kaplan Seth L.Sr VP, Gen. Counsel and SecySell(S)4K$83.35$353K
Dec 2, 2024Kaplan Seth L.Sr VP, Gen. Counsel and SecySell(S)8K$82.40$686K
Nov 30, 2024Harris Brian GEVP, Chief Financial OfficerTax withholding(F)9K$84.30$748K
Nov 30, 2024Durborow W. ChristopherVice President & CAOTax withholding(F)5K$84.30$442K
Nov 30, 2024Kaplan Seth L.Sr VP, Gen. Counsel and SecyTax withholding(F)10K$84.30$877K
Nov 27, 2024Mehmel Robert FPresident and COOGift(G)15K$0
Nov 26, 2024Renuart Victor EugeneDirectorSell(S)5K$84.46$380K
Nov 19, 2024Kaplan Seth L.Sr VP, Gen. Counsel and SecyGift(G)400$0
Nov 18, 2024Sullivan Kevin FDirectorSell(S)9K$75.50$696K
Nov 18, 2024Alpert Henry ADirectorGift(G)3K$0
Nov 18, 2024Kaplan Seth L.Sr VP, Gen. Counsel and SecyGift(G)400$0
Nov 14, 2024Grabowsky Louis J.DirectorSell(S)11K$77.02$840K
Nov 14, 2024Grabowsky Louis J.DirectorSell(S)100$77.53$8K
Nov 14, 2024Hegedus SamantaDirectorSell(S)3K$80.49$249K
Nov 14, 2024Coben Jerome LDirectorSell(S)2K$76.34$157K
Nov 14, 2024Sight James WDirectorSell(S)4K$76.42$280K
Nov 13, 2024Kramer Ronald JChairman of the Board and CEO, DirectorSell(S)17K$76.43$1.3M
Nov 13, 2024Kramer Ronald JChairman of the Board and CEO, DirectorSell(S)6K$72.43$401K
Nov 13, 2024Kramer Ronald JChairman of the Board and CEO, DirectorSell(S)80K$74.72$6.0M
Nov 13, 2024Kramer Ronald JChairman of the Board and CEO, DirectorSell(S)91K$75.34$6.8M
Nov 13, 2024Kramer Ronald JChairman of the Board and CEO, DirectorSell(S)11K$73.39$809K
Nov 13, 2024Kramer Ronald JChairman of the Board and CEO, DirectorSell(S)15K$77.45$1.2M
Nov 13, 2024Kramer Ronald JChairman of the Board and CEO, DirectorSell(S)18K$78.39$1.4M
Nov 13, 2024Kramer Ronald JChairman of the Board and CEO, DirectorSell(S)4K$71.32$292K
Nov 13, 2024Mehmel Robert FPresident and COOSell(S)1K$76.20$90K
Nov 13, 2024Mehmel Robert FPresident and COOSell(S)13K$75.30$953K
Nov 13, 2024Mehmel Robert FPresident and COOSell(S)8K$74.82$573K

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Coverage: Form 4 filings indexed 2021-03-292026-07-11. Earlier history is backfilling; this window widens as it deepens.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).