Hartree Partners, LP bought $312k of HDSN
owner at HUDSON TECHNOLOGIES INC /NY. 52,104 shares at an average of $5.99, traded Jul 29, 2026, filed Jul 31, 2026.
Score components
- +12Role10% owner
- +14Trade size$312k at market
- 0Relative to holdingsHoldings up 1.0%
- +8Price context44% below the 52-week high
- 0ClusterNo other insider buying within 14 days
- +5Repeat buying4 buys in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
- -5Outside holderA 10% owner who is not an officer or director
What happened after comparable buys
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 0000921895-26-001914, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Jul 29, 2026 | POpen-market purchase Common Stock, par value $0.01 | +52,104 | $5.99 | $312k | 5,094,190 | Jul 31, 2026 |
Related signals
Other insiders at HUDSON TECHNOLOGIES INC /NY and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 49Moderate | HDSNbuy HUDSON TECHNOLOGIES INC /NY | Hartree Partners, LP owner | $604k 118,549 shares | +2% | |
| 33Weak | HDSNbuy HUDSON TECHNOLOGIES INC /NY | Hartree Partners, LP owner | $69k 13,515 shares | +0% | |
| 32Weak | HDSNbuy HUDSON TECHNOLOGIES INC /NY | Hartree Partners, LP owner | $57k 11,136 shares | +0% | |
| 30Weak | HDSNbuy HUDSON TECHNOLOGIES INC /NY | Hartree Partners, LP owner | $27k 5,317 shares | +0% | |
| 39Weak | HDSNbuy HUDSON TECHNOLOGIES INC /NY | Hartree Partners, LP owner | $553k 100,612 shares | +2% | |
| 20Weak | HDSNbuy HUDSON TECHNOLOGIES INC /NY | Hartree Partners, LP owner | $29k 5,198 shares | +0% | |
| 36Weak | HDSNbuy HUDSON TECHNOLOGIES INC /NY | Hartree Partners, LP owner | $393k 65,550 shares | +1% | |
| 20Weak | HDSNbuy HUDSON TECHNOLOGIES INC /NY | Hartree Partners, LP owner | $31k 5,234 shares | +0% | |
| 43Moderate | HDSNbuy HUDSON TECHNOLOGIES INC /NY | Hartree Partners, LP owner | $4.5M 764,202 shares | +18% | |
| 63Notable | HUDSON TECHNOLOGIES INC /NY | Brian J. Bertaux Chief Financial Officer | $9,740 2,000 shares | - |
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.