Robert F Mehmel sold $347k of GFF
President and COO at GRIFFON CORP. 3,240 shares at an average of $107.16, traded Aug 11, 2026, filed Aug 13, 2026.
Score components
- +20RolePresident
- +15Trade size$347k at market
- 0Share of holdings soldSold 0.4% of holdings
- +15Cluster5 insiders selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001628280-26-056770, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 11, 2026 | SOpen-market sale Common Stock10b5-1 | -3,240 | $107.16 | $347k | 723,032 | Aug 13, 2026 |
Related signals
Other insiders at GRIFFON CORP and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 45Moderate | GRIFFON CORP | Kevin F Sullivan director | $370k 3,500 shares | -8% | |
| 44Moderate | GRIFFON CORP | Cheryl L Turnbull director | $318k 3,000 shares | -9% | |
| 36Weak | GRIFFON CORP | Brian G Harris EVP, Chief Financial Officer | $564k 5,267 shares | -4% | |
| 40Moderate | GRIFFON CORP | Robert F Mehmel President and COO | $2.4M 22,567 shares | -3% | |
| 40Moderate | GRIFFON CORP | Robert F Mehmel President and COO | $3.8M 37,061 shares | -5% | |
| 45Moderate | GRIFFON CORP | Ronald J Kramer Chairman of the Board and CEO | $10M 100,000 shares | -6% | |
| 42Moderate | GRIFFON CORP | Brian G Harris EVP, Chief Financial Officer | $1.1M 11,050 shares | -8% | |
| 29Weak | GRIFFON CORP | Brian G Harris EVP, Chief Financial Officer | $606k 6,183 shares | -4% | |
| 24Weak | GRIFFON CORP | Robert F Mehmel President and COO | $407k 4,166 shares | -1% | |
| 20Weak | GRIFFON CORP | Robert F Mehmel President and COO | $27k 286 shares | -0% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.