Henry A. Alpert serves as Executive at GRIFFON CORP, where they oversee executive responsibilities. Since joining the company, Henry A. Alpert has executed 34 insider transactions totaling $1.1M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 4, 2025 involved gifting 2,150 shares valued at $0.
Henry A. Alpert currently holds 69,139 shares of GRIFFON CORP (GFF), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Henry A. Alpert has been a net seller of GFF stock. They have purchased $415.1K and sold $665.1K worth of shares.
Henry A. Alpert's most recent insider trade was on Dec 4, 2025, when they sold 2,150 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Feb 8, 2024 | GFF | $167.7K | Sale | 2,495 | $67.22 | Discretionary |
| Dec 27, 2023 | GFF | $0 | Gift | 2,000 | $N/A | Discretionary |
| Dec 4, 2023 | GFF | $0 | Gift | 2,750 | $N/A | Discretionary |
| Mar 15, 2023 | GFF | $0 | Award | 3,308 | $N/A | Discretionary |
| Mar 3, 2022 | GFF | $0 | Award | 4,246 | $N/A | Discretionary |
| Dec 21, 2021 | GFF | $79.2K | Purchase | 3,000 | $26.40 | Discretionary |
| Mar 12, 2021 | GFF | $0 | Gift | 940 | $N/A | Discretionary |
| Feb 4, 2021 | GFF | $0 | Gift | 1,066 | $N/A | Discretionary |
| Jan 28, 2021 | GFF | $0 | Award | 3,702 | $N/A | Discretionary |
| Dec 4, 2020 | GFF | $100.1K | Purchase | 5,000 | $20.02 | Discretionary |
| Dec 4, 2020 | GFF | $0 | Gift | 5,603 | $N/A | Discretionary |
| Jan 30, 2020 | GFF | $0 | Award | 4,082 | $N/A | Discretionary |
| May 14, 2019 | GFF | $0 | Gift | 3,712 | $N/A | Discretionary |
| Jan 31, 2019 | GFF | $0 | Award | 5,657 | $N/A | Discretionary |
| Nov 29, 2018 | GFF | $0 | Gift | 2,300 | $N/A | Discretionary |
| Aug 3, 2018 | GFF | $90.5K | Purchase | 5,000 | $18.09 | Discretionary |
| Jan 31, 2018 | GFF | $0 | Award | 4,489 | $N/A | Discretionary |
| Dec 2, 2016 | GFF | $352.8K | Sale | 14,980 | $23.55 | Discretionary |
| Jan 29, 2016 | GFF | $0 | Award | 3,700 | $N/A | Discretionary |
| Jan 29, 2015 | GFF | $0 | Award | 3,700 | $N/A | Discretionary |
| Jan 30, 2014 | GFF | $0 | Award | 3,333 | $N/A | Discretionary |
| Jan 30, 2013 | GFF | $0 | Award | 3,333 | $N/A | Discretionary |
| Aug 28, 2012 | GFF | $144.6K | Sale | 15,000 | $9.64 | Discretionary |
| Jan 31, 2012 | GFF | $0 | Award | 2,500 | $N/A | Discretionary |
| Feb 11, 2011 | GFF | $0 | Award | 2,500 | $N/A | Discretionary |
| Feb 4, 2010 | GFF | $0 | Award | 816 | $N/A | Discretionary |
| Feb 4, 2009 | GFF | $0 | Award | 1,061 | $N/A | Discretionary |
| Sep 19, 2008 | GFF | $85.0K | Exercise | 10,000 | $8.50 | Discretionary |