Robert F Mehmel Insider Trading Activity
Robert F Mehmel has been net-selling over the last 12 months with 0 purchases and 10 sales across 1 company.
GFF is the most-traded position with 10 trades. The largest single transaction was a sale of GFF for $1.4M on Aug 7, 2026.
Performance Scorecard
Forward stock performance after each transaction by Robert F Mehmel. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | +3.2% | 100% | 3 |
| 90 days | — | — | — | — |
| 120 days | — | — | — | — |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersGFF · GRIFFON CORP
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Aug 11, 2026 | GFF | Sell | 3,240 | $107.16 | $347K | −0.4% | COO | |
Aug 10, 2026 | GFF | Sell | 88 | $105.21 | $9K | −0.0% | COO | |
Aug 10, 2026 | GFF | Sell | 2,913 | $104.64 | $305K | −0.4% | COO | |
Aug 10, 2026 | GFF | Sell | 3,638 | $104.08 | $379K | −0.5% | COO | |
Aug 7, 2026 | GFF | Sell | 553 | $108.09 | $60K | −0.1% | COO | |
Aug 7, 2026 | GFF | Sell | 1,911 | $106.60 | $204K | −0.3% | COO | |
Aug 7, 2026 | GFF | Sell | 13,464 | $107.43 | $1.4M | −1.8% | COO | |
Jun 26, 2026 | GFF | Sell | 230 | $95.52 | $22K | −0.0% | COO | |
Jun 26, 2026 | GFF | Sell | 4 | $97.50 | $390 | −0.0% | COO | |
Jun 26, 2026 | GFF | Sell | 52 | $96.14 | $5K | −0.0% | COO |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| GFF | GRIFFON CORP | 10 | $2.8M |
Other insiders at GRIFFON CORP
1 other tracked filer at GFF.