Company profile
Griffon Corp Insider Trading
GFFEvery SEC Form 4 insider trading filing for Griffon Corp (GFF) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- NYSE
- Sector
- Metal Doors, Sash, Frames, Moldings & Trim
- CIK
- 0000050725
- Filings
- 128
- Insiders
- 21
- Last filing
- 2026-08-13
Activity summary
No insider transactions in the last 30 days. The most recent was on August 13, 2026, when Cheryl L Turnbull sold 3,000 shares. 128 filings from 21 insiders are on record below.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Griffon Corp insiders are net sellers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $119.7M.
90 day insight
Over the last 90 days, Griffon Corp insiders sold $19.1M across 33 transactions with no open-market purchases.
- Most active insider: Robert F Mehmel with 26 transactions totaling $7.8M.
- Largest single sale: $4.6M by Ronald J Kramer on Aug 5, 2026.
- 11% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity skews bearish — sales outpace buys.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 13, 2026 | Cheryl L Turnbull | GFF | Sale | 3,000 | $106.12 | $318K |
| Aug 13, 2026 | Kevin F Sullivan | GFF | Sale | 3,500 | $105.59 | $370K |
| Aug 11, 2026 | Robert F Mehmel | GFF | Sale10b5 | 3,240 | $107.16 | $347K |
| Aug 10, 2026 | Robert F Mehmel | GFF | Sale | 3,638 | $104.08 | $379K |
| Aug 10, 2026 | Robert F Mehmel | GFF | Sale | 2,913 | $104.64 | $305K |
45 more transactions hidden
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-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Griffon Corp as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →