Seth L. Kaplan serves as Executive at GRIFFON CORP, where they oversee executive responsibilities. Since joining the company, Seth L. Kaplan has executed 38 insider transactions totaling $4.1M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 22, 2025 involved gifting 600 shares valued at $0.
Seth L. Kaplan currently holds 134,747 shares of GRIFFON CORP (GFF), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Seth L. Kaplan has been a net seller of GFF stock. They have purchased $170.5K and sold $3.9M worth of shares.
Seth L. Kaplan's most recent insider trade was on Dec 22, 2025, when they sold 600 shares at $0.00 per share.
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| $75.00 |
| Discretionary |
| Sep 19, 2024 | GFF | $2.1M | Sale | 30,430 | $70.00 | Planned |
| Sep 18, 2024 | GFF | $339.1K | Sale | 4,844 | $70.00 | Planned |
| Dec 17, 2023 | GFF | $513.0K | Payment | 9,065 | $56.59 | Discretionary |
| Nov 30, 2023 | GFF | $583.5K | Payment | 12,540 | $46.53 | Discretionary |
| Nov 16, 2023 | GFF | $0 | Gift | 1,000 | $N/A | Discretionary |
| Nov 14, 2023 | GFF | $0 | Award | 17,852 | $N/A | Discretionary |
| Nov 30, 2022 | GFF | $438.2K | Payment | 12,410 | $35.31 | Discretionary |
| Nov 16, 2022 | GFF | $0 | Award | 20,826 | $N/A | Discretionary |
| Nov 30, 2021 | GFF | $591.7K | Payment | 22,489 | $26.31 | Discretionary |
| Nov 15, 2021 | GFF | $0 | Award | 25,206 | $N/A | Discretionary |
| Nov 15, 2021 | GFF | $0 | Award | 45,230 | $N/A | Discretionary |
| Mar 30, 2021 | GFF | $0 | Gift | 1,000 | $N/A | Discretionary |
| Feb 8, 2021 | GFF | $476.2K | Sale | 19,103 | $24.93 | Discretionary |
| Feb 5, 2021 | GFF | $322.8K | Sale | 13,251 | $24.36 | Discretionary |
| Feb 4, 2021 | GFF | $429.5K | Sale | 17,909 | $23.98 | Discretionary |
| Feb 3, 2021 | GFF | $230.0K | Sale | 9,737 | $23.62 | Discretionary |
| Dec 17, 2020 | GFF | $0 | Award | 18,220 | $N/A | Discretionary |
| Dec 8, 2020 | GFF | $0 | Award | 24,943 | $N/A | Discretionary |
| Nov 30, 2020 | GFF | $275.4K | Payment | 13,211 | $20.85 | Discretionary |
| Nov 30, 2019 | GFF | $295.2K | Payment | 13,912 | $21.22 | Discretionary |
| Nov 13, 2019 | GFF | $0 | Award | 99,095 | $N/A | Discretionary |
| Dec 4, 2018 | GFF | $52.3K | Purchase | 4,500 | $11.62 | Discretionary |
| Nov 30, 2018 | GFF | $189.8K | Payment | 15,605 | $12.16 | Discretionary |
| Nov 13, 2018 | GFF | $0 | Award | 31,866 | $N/A | Discretionary |
| Nov 13, 2017 | GFF | $477.7K | Payment | 23,021 | $20.75 | Discretionary |
| Nov 15, 2016 | GFF | $0 | Award | 44,000 | $N/A | Discretionary |
| Nov 12, 2016 | GFF | $454.4K | Payment | 22,893 | $19.85 | Discretionary |
| Dec 6, 2015 | GFF | $934.5K | Payment | 49,081 | $19.04 | Discretionary |