Nasdaq · CIK 0000925528
HDSN HUDSON TECHNOLOGIES INC /NY
Insider trading from SEC Form 4. Last filing 14 d ago. Close $5.14 on Oct 9, 2026, +6% from the 52-week low and -46% from the high.
Last 90 days
Net insider value
+$757k
more bought than sold
Buys
4
$757k by 1 insider
Sells
0
$0 by 0 insiders
Insiders on file
10
with a Form 4 at this company
Price and insider trades, last year
HDSNOct 9, 2026 · close 5.14
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at HUDSON TECHNOLOGIES INC /NY, scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 49Moderate | Hartree Partners, LP owner buy | $604k 118,549 shares | +2% | +8% from low-48% from high | |
| 33Weak | Hartree Partners, LP owner buy | $69k 13,515 shares | +0% | +7% from low-48% from high | |
| 32Weak | Hartree Partners, LP owner buy | $57k 11,136 shares | +0% | +8% from low-49% from high | |
| 25Weak | Hartree Partners, LP owner buy | $27k 5,317 shares | +0% | +6% from low-51% from high | |
| 45Moderate | Brian F Coleman President, CEO sell | $3.6M 484,616 shares | -20% | +39% from low-30% from high | |
| 23Weak | Vincent P Abbatecola director buy | $24k 3,500 shares | +2% | +26% from low-36% from high | |
| 15Weak | Vincent P Abbatecola director buy | $15k 2,500 shares | +2% | - |
Transactions
The last 28 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 24, 2026 | Hartree Partners, LP owner | POpen-market purchase Common Stock, par value $0.01 | +118,549 | $5.10 | $604k | 5,348,517 | 14 d ago |
| Sep 21, 2026 | Hartree Partners, LP owner | POpen-market purchase Common Stock, par value $0.01 | +2,502 | $5.10 | $13k | 5,218,955 | 19 d ago |
| Sep 23, 2026 | Hartree Partners, LP owner | POpen-market purchase Common Stock, par value $0.01 | +11,013 | $5.10 | $56k | 5,229,968 | 19 d ago |
| Sep 16, 2026 | Hartree Partners, LP owner | POpen-market purchase Common Stock, par value $0.01 | +11,136 | $5.10 | $57k | 5,216,453 | 24 d ago |
| Sep 2, 2026 | Hartree Partners, LP owner | POpen-market purchase Common Stock, par value $0.01 | +5,317 | $5.10 | $27k | 5,205,317 | 38 d ago |
| Dec 5, 2025 | Brian F Coleman President, CEO | SOpen-market sale Common Stock | -484,616 | $7.40 | $3.6M | 1,944,312 | Dec 9, 2025 |
| Nov 24, 2025 | Kenneth Gaglione President and CEO | AGrant or award Stock Optionderivative | +216,309 | $0.00 | $0 | 216,309 | Nov 25, 2025 |
| Nov 17, 2025 | Vincent P Abbatecola director | POpen-market purchase Common Stock | +3,500 | $6.79 | $24k | 169,748 | Nov 18, 2025 |
| Sep 24, 2025 | Vincent P Abbatecola director | MOption exercise Common Stock | +4,744 | $7.35 | $35k | 169,767 | Sep 26, 2025 |
| Sep 24, 2025 | Vincent P Abbatecola director | FTax withholding Common Stock | -3,519 | $9.91 | $35k | 166,248 | Sep 26, 2025 |
| Sep 24, 2025 | Vincent P Abbatecola director | MOption exercise Stock Optionsderivative | -4,744 | $0.00 | $0 | 0 | Sep 26, 2025 |
| Jul 31, 2025 | Eric A Prouty director | MOption exercise Common Stock | +4,744 | $7.35 | $35k | 152,565 | Aug 1, 2025 |
| Jul 31, 2025 | Eric A Prouty director | FTax withholding Common Stock | -3,713 | $9.39 | $35k | 148,852 | Aug 1, 2025 |
| Jul 31, 2025 | Eric A Prouty director | MOption exercise Stock Optionsderivative | -4,744 | $0.00 | $0 | 0 | Aug 1, 2025 |
| Jun 18, 2025 | Vincent P Abbatecola director | AGrant or award Common Stock | +3,182 | $0.00 | $0 | 165,023 | Jun 20, 2025 |
| Jun 18, 2025 | Loan Nguyen Mansy director | AGrant or award Common Stock | +6,365 | $0.00 | $0 | 20,595 | Jun 20, 2025 |
| Jun 18, 2025 | Richard Parrillo director | AGrant or award Common Stock | +3,182 | $0.00 | $0 | 185,746 | Jun 20, 2025 |
| Jun 18, 2025 | Eric A Prouty director | AGrant or award Common Stock | +3,182 | $0.00 | $0 | 147,821 | Jun 20, 2025 |
| Jun 18, 2025 | Nicole E Bulgarino director | AGrant or award Common Stock | +3,182 | $0.00 | $0 | 10,498 | Jun 20, 2025 |
| Jun 18, 2025 | Nicole E Bulgarino director | AGrant or award Stock Optionsderivative | +13,698 | $0.00 | $0 | 13,698 | Jun 20, 2025 |
| Jun 18, 2025 | Eric A Prouty director | AGrant or award Stock Optionsderivative | +13,698 | $0.00 | $0 | 13,698 | Jun 20, 2025 |
| Jun 18, 2025 | Richard Parrillo director | AGrant or award Stock Optionsderivative | +13,698 | $0.00 | $0 | 13,698 | Jun 20, 2025 |
| Jun 18, 2025 | Vincent P Abbatecola director | AGrant or award Stock Optionsderivative | +13,698 | $0.00 | $0 | 13,698 | Jun 20, 2025 |
| Jun 18, 2025 | Loan Nguyen Mansy director | AGrant or award Stock Optionsderivative | +13,698 | $0.00 | $0 | 13,698 | Jun 20, 2025 |
| Mar 13, 2025 | Brian J. Bertaux VP and CFO | AGrant or award Stock Optionderivative | +55,109 | $0.00 | $0 | 55,109 | Mar 17, 2025 |
| Mar 13, 2025 | Brian F Coleman President, CEO | AGrant or award Stock Optionderivative | +140,813 | $0.00 | $0 | 140,813 | Mar 17, 2025 |
| Mar 13, 2025 | Kathleen Houghton Sr. VP-Sales and Marketing | AGrant or award Stock Optionderivative | +72,477 | $0.00 | $0 | 72,477 | Mar 17, 2025 |
| Nov 7, 2024 | Vincent P Abbatecola director | POpen-market purchase Common Stock | +2,500 | $5.98 | $15k | 161,841 | Nov 12, 2024 |
Insiders
Everyone who has filed a Form 4 here.
- Vincent P Abbatecoladirector
- Brian J. BertauxVP and CFO
- Nicole E Bulgarinopresident, officer, director
- Brian F ColemanPresident, CEO
- Kenneth GaglionePresident and CEO
- Hartree Partners, LPowner
- Kathleen HoughtonSr. VP-Sales and Marketing
- Loan Nguyen Mansydirector
- Richard Parrillodirector
- Eric A Proutydirector
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.