GRIFFON CORP (GFF) is a publicly traded company in the Unknown sector. Across all available filings, 43 corporate insiders have executed 662 transactions totaling $355.4M, demonstrating a bearish sentiment with -$325.8M in net insider flow. The most recent transaction on Dec 24, 2025 involved a transaction of 5,000 shares valued at $0.
No significant insider buying has been recorded for GFF in the recent period.
No significant insider selling has been recorded for GFF in the recent period.
Based on recent SEC filings, insider sentiment for GFF is bearish with an Insider Alignment Score of 4/100 and a net flow of -$325.8M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at GRIFFON CORP (GFF) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 43 insiders are actively trading GFF stock, having executed 662 transactions in the past 90 days. The most active insider is Bradley J. Gross (Executive), who has made 11 transactions totaling $145.3M.
Get notified when executives and directors at GFF file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Dec 24, 2025 | J. Kramer Ronald | Executive | Gift | 5,000 | $N/A | $0 | |
| Dec 24, 2025 | J. Kramer Ronald | Executive | Gift | 62,785 | $N/A | $0 | |
| Dec 22, 2025 | L. Kaplan Seth | Executive | Gift | 600 | $N/A | $0 | |
| Dec 4, 2025 | A. Alpert Henry | Executive | Gift | 2,150 | $N/A | $0 | |
| Nov 30, 2025 | F. Mehmel Robert | Executive | Payment | 26,928 | $75.00 | $2.0M | Large |
| Nov 30, 2025 | Christopher Durborow W. | Executive | Payment | 4,343 | $75.00 | $325.7K | |
| Nov 30, 2025 | L. Kaplan Seth | Executive | Payment | 8,921 | $75.00 | $669.1K | Large |
| Nov 30, 2025 | J. Kramer Ronald | Executive | Payment | 74,079 | $75.00 | $5.6M | Large |
| Nov 30, 2025 | G. Harris Brian | Executive | Payment | 7,610 | $75.00 | $570.8K | Large |
| Nov 18, 2025 | F. Mehmel Robert | Executive | Award | 68,432 | $N/A | $0 | |
| Nov 18, 2025 | J. Kramer Ronald | Executive | Award | 136,864 | $N/A | $0 | |
| Sep 23, 2024 | J. Kramer Ronald | Executive | Sale | 20,135 | $70.01 | $1.4M | Large10b5-1 |
| Sep 23, 2024 | F. Mehmel Robert | Executive | Sale | 3,174 | $70.01 | $222.2K | 10b5-1 |
| Sep 20, 2024 | F. Mehmel Robert | Executive | Sale | 1,205 | $70.11 | $84.5K | 10b5-1 |
| Sep 20, 2024 | J. Kramer Ronald | Executive | Sale | 6,233 | $70.14 | $437.2K | 10b5-1 |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 49 | $340.6M | 55.4% |
Disposition(D) | 5 | $115.0M | 18.7% |
Payment(F) | 65 | $108.9M | 17.7% |
Exercise (Options)(X) | 51 | $21.4M | 3.5% |
Purchase(P) | 115 | $14.8M | 2.4% |
Exercise(M) | 4 | $13.8M | 2.2% |
Award(A) | 300 | $306.1K | 0.0% |
Small Acquisition(L) | 7 | $1.8K | 0.0% |
Gift(G) | 56 | $0 | 0.0% |
Other(J) | 10 | $0 | 0.0% |
Insider selling pressure at GRIFFON CORP has increased, with 43 insiders executing 662 transactions across all time. Total sales of $340.6M significantly outpace purchases of $14.8M, resulting in a net outflow of $325.8M. However, 44% of these transactions are pre-scheduled 10b5-1 plans, often used for tax planning or diversification rather than signaling negative outlook.