Henry A. Alpert is Director at GRIFFON CORP (GFF). They have made 8 open-market trades across 1 company since 2007, most recently 2026-03-05.
CIK 0001208677
5 open-market purchases totalling $495K since 2007, against 3 sales. Across 5 scored buys the stock is down 2.8% at ninety days, and 3.6 points behind the S&P over the same stretch.
5 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| GFF | 71,479 | $6.6M |
Shares reported on the most recent Form 4, priced at the 2026-03-09 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 20% | 40% | 40% |
| Avg Move | -4.6% | -1.2% | -2.8% |
| Alpha | -2.8% | -0.6% | -3.6% |
| Scored | 5 | 5 | 5 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| GFF | BUY | 2026-03-05 | 2026-03-09 | $79.99 | $80K | -8.8% | -0.8% | +13.3% |
| GFF | SELL | 2024-02-08 | 2024-02-09 | $67.22 | $335K | -1.5% | -1.5% | +8.3% |
| GFF | BUY | 2021-12-21 | 2021-12-23 | $26.40 | $79K | -6.0% | -18.4% | -26.5% |
| GFF | BUY | 2020-12-04 | 2020-12-07 | $20.02 | $100K | +1.2% | +12.4% | +29.2% |
| GFF | BUY | 2018-08-03 | 2018-08-03 | $18.09 | $90K | -2.3% | +2.8% | -28.1% |
| GFF | SELL | 2016-12-02 | 2016-12-06 | $23.55 | $353K | +1.6% | +5.8% | -2.0% |
| GFF | SELL | 2012-08-28 | 2012-08-30 | $9.64 | $145K | -7.2% | -2.0% | -2.0% |
| GFF | BUY | 2007-08-08 | 2007-08-10 | $14.53 | $145K | -7.2% | -2.0% | -2.0% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.