HDSN insider buying – Hudson Technologies Inc /Ny
26 insider purchases since 2016 worth $8.3M by 9 different insiders. Last 12 months: 17 purchases, $8.0M. Most recent filing: 2026-11-02.
Mid company Public float $342M (latest 10-K, SEC).
Same time range as the chart above - each mark sits under the week of the trade. Circles = purchases (height = price paid, size = amount), red triangles = open-market sales of $50k+. Prices as reported, not adjusted for later stock splits. 7 older purchases (before the 5-year window) are listed in the table below.
Purchases are open-market buys (SEC Form 4, code "P") - insiders paying with their own money. Sales are open-market sales (code "S") of $50,000 or more; many sales are pre-planned (Rule 10b5-1) or made for taxes and diversification. Each row links to the original filing.
Bought, sold, still holding?
| Insider | Bought | First / last buy | Sold since 2016 | Holds now* | Status |
|---|---|---|---|---|---|
| Hartree Partners, LP 10% Owner | $6.6M 10× · 1,141,417 sh | 2026-06-30 2026-09-24 | – | 5,348,517 shares as of 2026-09-28 | Holds - never sold |
| Hartree Partners, LP 10% Owner | $1.3M 1× · 300,000 sh | 2026-10-29 2026-10-29 | – | – | Holds - never sold |
| Parrillo Richard Director | $139,624 3× · 40,000 sh | 2017-12-15 2026-05-14 | 3× · $1.2M last 2023-12-12 | 195,746 shares as of 2026-05-21 | Holds (sold earlier) |
| COLEMAN BRIAN F CEO | $83,270 2× · 27,000 sh | 2018-03-15 2021-08-17 | 3× · $4.6M last 2025-12-05 | 426,968 shares as of 2025-12-15 | Sold part |
| ZUGIBE KEVIN J CEO | $69,813 2× · 25,000 sh | 2018-03-15 2018-05-23 | 1× · $2.9M last 2016-08-05 | 3,604,923 shares as of 2018-05-24 | Holds (sold earlier) |
| ABBATECOLA VINCENT P Director | $50,235 3× · 8,000 sh | 2017-12-17 2025-11-17 | 6× · $842,163 last 2024-06-14 | 169,748 shares as of 2025-11-18 | Holds (sold earlier) |
| Prouty Eric A Director | $35,850 2× · 10,000 sh | 2018-05-24 2026-05-13 | 2× · $866,200 last 2023-06-14 | 158,292 shares as of 2026-06-22 | Holds (sold earlier) |
| Sheriff Alan Director | $25,376 1× · 5,200 sh | 2026-05-13 2026-05-13 | – | 12,484 shares as of 2026-06-22 | Holds - never sold |
| Feeler Jeffrey R Director | $25,092 1× · 5,100 sh | 2026-05-14 2026-05-14 | – | 12,384 shares as of 2026-06-22 | Holds - never sold |
| Gaglione Kenneth CEO | $24,500 1× · 5,000 sh | 2026-05-13 2026-05-13 | 1× · $219,070 last 2022-12-12 | 42,504 shares as of 2026-05-15 | Holds (sold earlier) |
* Shares held after the insider's most recent SEC filing for this company (all share classes, direct and indirect). If an insider stops filing, later changes are not known.
Insider buying and selling by year
| Year | Purchases | Bought | Buyers | Sales | Sold |
|---|---|---|---|---|---|
| 2026 | 16 | $8.0M | 6 | – | – |
| 2025 | 1 | $23,765 | 1 | 1 | $3.6M |
| 2024 | 1 | $14,950 | 1 | 1 | $92,000 |
| 2023 | 0 | – | – | 2 | $1.1M |
| 2022 | 0 | – | – | 9 | $5.1M |
| 2021 | 1 | $72,250 | 1 | 5 | $2.7M |
| 2020 | 0 | – | – | 1 | $90,750 |
| 2018 | 5 | $149,343 | 4 | – | – |
| 2017 | 2 | $69,470 | 2 | – | – |
| 2016 | 0 | – | – | 7 | $5.6M |
Insider purchases
| Filed | Insider | Role | Shares | Avg price | Value | Holdings | Filing |
|---|---|---|---|---|---|---|---|
| 2026-11-02 | Hartree Partners, LP | 10% Owner | 300,000 | $4.38 | $1.3M | +6% | SEC |
| 2026-09-28 | Hartree Partners, LP | 10% Owner | 118,549 | $5.10 | $604,600 | +2.3% | SEC |
| 2026-09-23 | Hartree Partners, LP | 10% Owner | 13,515 | $5.10 | $68,926 | +0.3% | SEC |
| 2026-09-18 | Hartree Partners, LP | 10% Owner | 11,136 | $5.10 | $56,794 | +0.2% | SEC |
| 2026-09-04 | Hartree Partners, LP | 10% Owner | 5,317 | $5.10 | $27,117 | +0.1% | SEC |
| 2026-08-26 | Hartree Partners, LP | 10% Owner | 100,612 | $5.50 | $553,366 | +2.0% | SEC |
| 2026-08-14 | Hartree Partners, LP | 10% Owner | 5,198 | $5.50 | $28,589 | +0.1% | SEC |
| 2026-07-31 | Hartree Partners, LP | 10% Owner | 52,104 | $5.99 | $312,103 | +1.0% | SEC |
| 2026-07-22 | Hartree Partners, LP | 10% Owner | 65,550 | $5.99 | $392,644 | +1.3% | SEC |
| 2026-07-08 | Hartree Partners, LP | 10% Owner | 5,234 | $5.99 | $31,352 | +0.1% | SEC |
| 2026-07-02 | Hartree Partners, LP | 10% Owner | 764,202 | $5.86 | $4.5M | +18.2% | SEC |
| 2026-05-15 | Parrillo Richard | Director | 5,000 | $4.96 | $24,814 | +24.3% | SEC |
| 2026-05-15 | Feeler Jeffrey R | Director | 5,100 | $4.92 | $25,092 | +125.5% | SEC |
| 2026-05-15 | Sheriff Alan | Director | 5,200 | $4.88 | $25,376 | +127.9% | SEC |
| 2026-05-15 | Prouty Eric A | Director | 5,000 | $4.84 | $24,200 | +3.4% | SEC |
| 2026-05-15 | Gaglione Kenneth | CEO | 5,000 | $4.90 | $24,500 | SEC | |
| 2025-11-18 | ABBATECOLA VINCENT P | Director | 3,500 | $6.79 | $23,765 | +2.1% | SEC |
| 2024-11-12 | ABBATECOLA VINCENT P | Director | 2,500 | $5.98 | $14,950 | +1.6% | SEC |
| 2021-08-18 | COLEMAN BRIAN F | CEO | 25,000 | $2.89 | $72,250 | +5.1% | SEC |
| 2018-05-31 | Parrillo Richard | Director | 25,000 | $2.27 | $56,860 | +32.7% | SEC |
| 2018-05-24 | Prouty Eric A | Director | 5,000 | $2.33 | $11,650 | +10.1% | SEC |
| 2018-05-24 | ZUGIBE KEVIN J | CEO | 20,000 | $2.11 | $42,263 | +0.6% | SEC |
| 2018-03-16 | ZUGIBE KEVIN J | CEO | 5,000 | $5.51 | $27,550 | +0.1% | SEC |
| 2018-03-16 | COLEMAN BRIAN F | CEO | 2,000 | $5.51 | $11,020 | +0.4% | SEC |
| 2017-12-19 | ABBATECOLA VINCENT P | Director | 2,000 | $5.76 | $11,520 | +0.8% | SEC |
| 2017-12-19 | Parrillo Richard | Director | 10,000 | $5.79 | $57,950 | +8.1% | SEC |
Insider sales
| Filed | Insider | Role | Shares | Avg price | Value | Type | Filing |
|---|---|---|---|---|---|---|---|
| 2025-12-09 | COLEMAN BRIAN F | Director | 484,616 | $7.40 | $3.6M | Sale | SEC |
| 2024-06-18 | ABBATECOLA VINCENT P | Director | 10,000 | $9.20 | $92,000 | Sale | SEC |
| 2023-12-14 | Parrillo Richard | Director | 72,604 | $13.00 | $943,623 | Sale | SEC |
| 2023-06-15 | Prouty Eric A | Director | 20,000 | $9.56 | $191,200 | Sale | SEC |
| 2022-12-14 | Gaglione Kenneth | Officer | 19,000 | $11.53 | $219,070 | Sale | SEC |
| 2022-11-10 | Krishnamurti Nat | CFO | 91,194 | $10.39 | $947,645 | Sale | SEC |
| 2022-06-17 | ABBATECOLA VINCENT P | Director | 20,000 | $9.75 | $195,000 | Sale | SEC |
| 2022-06-06 | ABBATECOLA VINCENT P | Director | 20,000 | $9.79 | $195,800 | Sale | SEC |
| 2022-05-31 | MANDRACCHIA STEPHEN P | Director | 150,000 | $9.71 | $1.5M | Sale | SEC |
| 2022-05-09 | Prouty Eric A | Director | 75,000 | $9.00 | $675,000 | Sale | SEC |
| 2022-03-14 | MANDRACCHIA STEPHEN P | Director | 200,000 | $5.76 | $1.2M | Sale | SEC |
| 2022-01-18 | ABBATECOLA VINCENT P | Director | 33,000 | $3.82 | $125,920 | Sale | SEC |
| 2022-01-18 | ABBATECOLA VINCENT P | Director | 35,320 | $4.04 | $142,693 | Sale | SEC |
| 2021-11-19 | MANDRACCHIA STEPHEN P | Director | 200,000 | $4.71 | $941,605 | Sale | SEC |
| 2021-11-17 | Krishnamurti Nat | CFO | 200,000 | $4.76 | $952,000 | Sale | SEC |
Showing the latest 15 of 26 sales of $50,000+ since 2016.
Compiled automatically from public SEC filings. Not investment advice. Get every new insider purchase in the daily report.
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