InsiderFlow

Griffon Corporation

$70.54+0.48 (+0.69%)

Prev Close

$70.06

Open

$70.41

High

$71.20

Low

$69.08

Volume

243.6K

Market Cap

$3.53B

P/E

78.38

Div Yield

0.01%

Over the past 12 months, insider activity at Griffon Corporation (GFF) has been dominated by selling, with 1 insider purchase totaling $80.0K and 8 insider sales totaling $5.92M. The most recent insider transaction was by ALPERT HENRY A (director), who purchased $80.0K worth of shares on Mar 9, 2026. Griffon Corporation operates in the Industrials sector, within the Conglomerates industry, with a market cap of $3.53B.

Buys (12M)

1

$80.0K

Sells (12M)

8

$5.92M

Net Activity

Net Seller

$5.84M

Active Insiders

6

last 12 mo

GFF Price Chart

GFF Insider Trading Activity

DateInsiderRoleTypeSharesAvg PriceValueShares After
Mar 9, 2026ALPERT HENRY AdirectorBuy1,000$79.99$80.0K71,479
Feb 18, 2026Durborow W. Christopherofficer: Vice President & CAOSell10,000$91.97$919.7K29,963
Feb 17, 2026Durborow W. ChristopherVice President & CAOSell10,000$91.97$919.7K0
Feb 17, 2026Grabowsky Louis J.directorSell11,000$93.06$1.02M41,670
Feb 17, 2026Taylor Michelle LdirectorSell1,650$92.56$152.7K9,023
Feb 13, 2026Grabowsky Louis J.DirectorSell11,000$93.06$1.02M0
Feb 12, 2026Taylor Michelle LDirectorSell1,650$92.56$152.7K0
Feb 11, 2026Kaplan Seth L.officer: Sr VP, Gen. Counsel and SecySell15,000$95.44$1.43M127,661
Feb 11, 2026SIGHT JAMES WdirectorSell3,070$96.15$295.2K13,872

GFF Insider Buying Activity

The following table shows recent insider purchases of Griffon Corporation (GFF) stock reported via SEC Form 4 filings.

DateInsiderRoleTypeSharesAvg PriceValueShares After
Mar 9, 2026ALPERT HENRY AdirectorBuy1,000$79.99$80.0K71,479

GFF Insider Selling Activity

The following table shows recent insider sales of Griffon Corporation (GFF) stock reported via SEC Form 4 filings.

DateInsiderRoleTypeSharesAvg PriceValueShares After
Feb 18, 2026Durborow W. Christopherofficer: Vice President & CAOSell10,000$91.97$919.7K29,963
Feb 17, 2026Durborow W. ChristopherVice President & CAOSell10,000$91.97$919.7K0
Feb 17, 2026Grabowsky Louis J.directorSell11,000$93.06$1.02M41,670
Feb 17, 2026Taylor Michelle LdirectorSell1,650$92.56$152.7K9,023
Feb 13, 2026Grabowsky Louis J.DirectorSell11,000$93.06$1.02M0
Feb 12, 2026Taylor Michelle LDirectorSell1,650$92.56$152.7K0
Feb 11, 2026Kaplan Seth L.officer: Sr VP, Gen. Counsel and SecySell15,000$95.44$1.43M127,661
Feb 11, 2026SIGHT JAMES WdirectorSell3,070$96.15$295.2K13,872

GFF Insiders

ALPERT HENRY A

director

Bought $80.0K
1 tradesLast: Mar 5, 2026
Durborow W. Christopher

officer: Vice President & CAO

Sold $919.7K
1 tradesLast: Feb 17, 2026
Durborow W. Christopher

Vice President & CAO

Sold $919.7K
1 tradesLast: Feb 17, 2026
Grabowsky Louis J.

director

Sold $1.02M
1 tradesLast: Feb 13, 2026
Grabowsky Louis J.

Director

Sold $1.02M
1 tradesLast: Feb 13, 2026
Taylor Michelle L

director

Sold $152.7K
1 tradesLast: Feb 12, 2026
Taylor Michelle L

Director

Sold $152.7K
1 tradesLast: Feb 12, 2026
Kaplan Seth L.

officer: Sr VP, Gen. Counsel and Secy

Sold $1.43M
4 tradesLast: Feb 9, 2026
SIGHT JAMES W

director

Sold $295.2K
1 tradesLast: Feb 9, 2026