Brian G. Harris serves as Executive at GRIFFON CORP, where they oversee executive responsibilities. Since joining the company, Brian G. Harris has executed 35 insider transactions totaling $1.4M, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 30, 2025 involved selling 7,610 shares valued at $570.8K.
Brian G. Harris currently holds 158,649 shares of GRIFFON CORP (GFF), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Brian G. Harris has been a net seller of GFF stock. They have purchased $114.2K and sold $1.3M worth of shares.
Brian G. Harris's most recent insider trade was on Nov 30, 2025, when they sold 7,610 shares at $75.00 per share.
Get notified when new Form 4 filings are submitted
| $67.65 |
| Planned |
| Sep 16, 2024 | GFF | $16.9K | Sale | 251 | $67.50 | Planned |
| Sep 13, 2024 | GFF | $656.4K | Sale | 10,000 | $65.64 | Planned |
| Sep 13, 2024 | GFF | $223.7K | Sale | 3,314 | $67.50 | Planned |
| Dec 17, 2023 | GFF | $405.8K | Payment | 7,170 | $56.59 | Discretionary |
| Nov 30, 2023 | GFF | $416.8K | Payment | 8,958 | $46.53 | Discretionary |
| Nov 14, 2023 | GFF | $0 | Payment | 19,339 | $N/A | Discretionary |
| Nov 14, 2023 | GFF | $0 | Award | 19,339 | $N/A | Discretionary |
| Nov 30, 2022 | GFF | $276.4K | Payment | 7,827 | $35.31 | Discretionary |
| Nov 16, 2022 | GFF | $0 | Award | 22,562 | $N/A | Discretionary |
| Nov 30, 2021 | GFF | $690.9K | Payment | 26,260 | $26.31 | Discretionary |
| Nov 15, 2021 | GFF | $0 | Award | 27,498 | $N/A | Discretionary |
| Nov 15, 2021 | GFF | $0 | Award | 49,342 | $N/A | Discretionary |
| Dec 17, 2020 | GFF | $0 | Award | 18,220 | $N/A | Discretionary |
| Dec 8, 2020 | GFF | $0 | Award | 27,211 | $N/A | Discretionary |
| Nov 30, 2020 | GFF | $321.7K | Payment | 15,427 | $20.85 | Discretionary |
| Nov 30, 2019 | GFF | $308.2K | Payment | 14,526 | $21.22 | Discretionary |
| Nov 13, 2019 | GFF | $0 | Award | 105,623 | $N/A | Discretionary |
| Dec 4, 2018 | GFF | $34.8K | Purchase | 3,000 | $11.60 | Discretionary |
| Dec 3, 2018 | GFF | $12.1K | Purchase | 1,000 | $12.10 | Discretionary |
| Nov 30, 2018 | GFF | $168.7K | Payment | 13,876 | $12.16 | Discretionary |
| Nov 23, 2018 | GFF | $23.6K | Purchase | 2,000 | $11.80 | Discretionary |
| Nov 13, 2018 | GFF | $0 | Award | 26,072 | $N/A | Discretionary |
| Nov 13, 2017 | GFF | $208.5K | Payment | 10,048 | $20.75 | Discretionary |
| Nov 15, 2016 | GFF | $0 | Award | 18,000 | $N/A | Discretionary |
| Nov 12, 2016 | GFF | $201.2K | Payment | 10,137 | $19.85 | Discretionary |
| Dec 6, 2015 | GFF | $331.1K | Payment | 17,390 | $19.04 | Discretionary |
| Nov 11, 2015 | GFF | $0 | Award | 50,660 | $N/A | Discretionary |
| Nov 18, 2013 | GFF | $26.7K | Payment | 2,061 | $12.97 | Discretionary |