Form4.ai tracks every SEC insider trade in real time. See every GFF insider filing with a free account — no card.
See every GFF insider filing — free account, no card.
Free accountGRIFFON CORP (GFF) has 8 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 8 sales totalling $19.2M. Most recent filing: Aug. 14, 2026.
Open-market value, last 90 days
Form 4 filings by type, last 90 days
| Date | Insider | Trade | Value | Price since buy |
|---|---|---|---|---|
| Aug 14, 2026 SEC filing | Sullivan Kevin F Director | Sold | $369,565 | — |
| Aug 14, 2026 SEC filing | TURNBULL CHERYL L Director | Sold | $318,360 | — |
| Aug 13, 2026 SEC filing | MEHMEL ROBERT F President and COO | Sold | $347,198 | — |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.