HUDSON TECHNOLOGIES INC /NY (HDSN) has 13 SEC Form 4 insider filings on record in the last 90 days. That includes 7 insider purchases totalling $5.8M. Most recent filing: Sept. 4, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
|---|---|---|---|---|---|---|
| Sept. 4, 2026 filed Sept. 2, 2026 | Hartree Partners, LP 10% Owner | +$27,117 | 5,317 | +0% | No | |
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| Aug. 26, 2026 filed Aug. 24, 2026 | Hartree Partners, LP 10% Owner | +$553,047 | 100,612 | +2% | No | |
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| Aug. 14, 2026 filed Aug. 12, 2026 | Hartree Partners, LP 10% Owner | +$28,589 | 5,198 | +0% | No | |
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| July 31, 2026 filed July 29, 2026 | Hartree Partners, LP 10% Owner | +$312,103 | 52,104 | +1% | No | |
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| July 22, 2026 filed July 20, 2026 | Hartree Partners, LP 10% Owner | +$392,602 | 65,550 | +1% | No | |
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Showing the 5 most recent of 13 filings in the last 90 days.
Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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