Griffon Corp (GFF) insider trading
Every open-market stock purchase and sale by Griffon Corp executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders sold $16.4M over the last 12 months (11 sales).
- Last insider buy: Henry A Alpert (Director), $80K, 7 months ago.
Last 12 months: insiders bought $80K (1 buy) and sold $16.4M (11 sales). Last close $85.50 on Jun 4, 2026.
Recent GFF insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Jun 26, 2026 | Robert F Mehmel (COO) | Sold | $22K |
| Jun 26, 2026 | Robert F Mehmel (COO) | Sold | $5K |
| Jun 26, 2026 | Robert F Mehmel (COO) | Sold | $390 |
| Jun 25, 2026 | Robert F Mehmel (COO) | Sold | $492K |
| Jun 25, 2026 | Robert F Mehmel (COO) | Sold | $148K |
| Jun 25, 2026 | Robert F Mehmel (COO) | Sold | $116K |
| Jun 24, 2026 | Robert F Mehmel (COO) | Sold | $442K |
| Jun 24, 2026 | Robert F Mehmel (COO) | Sold | $9.6K |
| Jun 17, 2026 | Robert F Mehmel (COO) | Sold | $52.2K |
| Jun 16, 2026 | Robert F Mehmel (COO) | Sold | $279K |
| Jun 16, 2026 | Robert F Mehmel (COO) | Sold | $9.3K |
| Jun 15, 2026 | Robert F Mehmel (COO) | Sold | $312K |
| Jun 12, 2026 | Ronald J Kramer (CEO) | Sold | $4.9M |
| Jun 12, 2026 | Ronald J Kramer (CEO) | Sold | $4.6M |
| Jun 12, 2026 | Robert F Mehmel (COO) | Sold | $524K |
| Jun 11, 2026 | Brian G Harris (CFO) | Sold | $713K |
| Mar 5, 2026 | Henry A Alpert (Director) | Bought | $80K |
| Feb 18, 2026 | H.C. Charles Diao (Director) | Bought (not open market) | — |
| Feb 18, 2026 | Jerome L Coben (Director) | Bought (not open market) | — |
| Feb 18, 2026 | Michelle L Taylor (Director) | Bought (not open market) | — |
| Feb 18, 2026 | James W Sight (Director) | Bought (not open market) | — |
| Feb 18, 2026 | Cheryl L Turnbull (Director) | Bought (not open market) | — |
| Feb 18, 2026 | Kevin F Sullivan (Director) | Bought (not open market) | — |
| Feb 18, 2026 | Lacy M. Johnson (Director) | Bought (not open market) | — |
| Feb 18, 2026 | Samanta Hegedus (Director) | Bought (not open market) | — |
Who's trading GFF
- Robert F Mehmel, COO: sold $2.4M (13 sales), last Jun 26, 2026
- Ronald J Kramer, CEO: sold $9.5M (2 sales), last Jun 12, 2026
- Brian G Harris, CFO: sold $713K (1 sale), last Jun 11, 2026
- Henry A Alpert, Director: bought $80K (1 buy), last Mar 5, 2026
- Samanta Hegedus, Director: other filings, last Feb 18, 2026
- Lacy M. Johnson, Director: other filings, last Feb 18, 2026
- Michelle L Taylor, Director: sold $153K (1 sale), last Feb 18, 2026
- Jerome L Coben, Director: other filings, last Feb 18, 2026
- H.C. Charles Diao, Director: other filings, last Feb 18, 2026
- Louis J. Grabowsky, Director: sold $1M (1 sale), last Feb 18, 2026
- James W Sight, Director: sold $295K (1 sale), last Feb 18, 2026
- Kevin F Sullivan, Director: other filings, last Feb 18, 2026
- Cheryl L Turnbull, Director: other filings, last Feb 18, 2026
- W. Christopher Durborow, C-suite exec: sold $920K (1 sale), last Feb 17, 2026
- Seth L. Kaplan, VP: sold $1.4M (4 sales), last Feb 9, 2026
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