Griffon ($GFF) Insider Trading & Smart Money Activity
Griffon Corporation ($GFF) has 8 insider trades on file. In the last 12 months on the open market, no insider bought and 3 insiders sold ($21.56M), net -$21.56M.
- Insider buyers (12 mo)
- 0
- Insider sellers (12 mo)
- 3
- Net insider $ (12 mo)
- -$21.56M
- Congress trades (12 mo)
- 0
- 13F moves on file
- 0
- Analyst ratings on file
- 0
GFF insider buying and selling by quarter
| Quarter | Insider buys | Insider sales | Congress buys / sales | 13F added / cut |
|---|---|---|---|---|
| Q1 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
| Q2 2026 | 0 | 8 · $21.56M | 0 / 0 | 0 / 0 |
| Q3 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
| Q4 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.
All GFF insider, congress, 13F and analyst activity
| Date | Source | Who | Action | Shares | Value / amount | ΔOwn | 1W | 1M | 6M | Filing | Story |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Insider | Robert MehmelPresident and COO | Sell (Open-market sale) 10b5-1 | 7.87K sh | $755.99K | -3.2% | -2.8% | Read | ||||
| Insider | Robert MehmelPresident and COO | Sell (Open-market sale) 10b5-1 | 4.73K sh | $451.15K | -2.6% | -4.5% | Read | ||||
| Insider | Robert MehmelPresident and COO | Sell (Open-market sale) 10b5-1 | 547 sh | $52.17K | +6.8% | +3.0% | Read | ||||
| Insider | Robert MehmelPresident and COO | Sell (Open-market sale) 10b5-1 | 3.02K sh | $287.88K | -3.9% | -0.4% | Read | ||||
| Insider | Robert MehmelPresident and COO | Sell (Open-market sale) 10b5-1 | 3.27K sh | $312.15K | -5.6% | -3.2% | Read | ||||
| Insider | Ronald KramerChairman of the Board and CEO | Sell (Open-market sale) | 100K sh | $9.49M | -4.6% | -4.0% | Read | ||||
| Insider | Ronald KramerChairman of the Board and CEO | Sell (Open-market sale) | 100K sh | $9.49M | -4.6% | -4.0% | — | ||||
| Insider | Brian HarrisEVP, Chief Financial Officer | Sell (Open-market sale) 10b5-1 | 7.50K sh | $712.73K | -4.4% | -5.6% | Read |
1W / 1M / 6M = how GFF moved from the trade or filing date.
Insider trading in GFF: who is buying and selling
| Insider | Role | Trades | Open-market net | Shares held | Last trade |
|---|---|---|---|---|---|
| Robert Mehmel | President and COO | 5 | -$1.86M | Jun 25, 2026 | |
| Ronald Kramer | Chairman of the Board and CEO | 2 | -$18.98M | Jun 12, 2026 | |
| Brian Harris | EVP, Chief Financial Officer | 1 | -$712.73K | Jun 11, 2026 |
Frequently asked questions
Are GFF insiders buying or selling?
Over the last 12 months 0 insiders made 0 open-market purchases worth $0 and 3 insiders made 8 open-market sales worth $21.56M, a net -$21.56M.
What is the latest insider trade in GFF?
Robert Mehmel, President and COO filed a sell (open-market sale) of 7.87K sh worth $755.99K on Jun 25, 2026.
Other building products & equipment stocks
Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.
Get a text when insiders, Congress or big funds trade a stock.
Free. Reply STOP anytime.