HDSN
HUDSON TECHNOLOGIES INC /NY
Stock Price & Insider Activity
Historical close with open-market insider transaction markers
Insider activity
Sign in to download CSVBought$7.1M41 buy days
Sold$13.0M36 sell days
Net insider flow$-5.8Mnet selling · 10 years
Latest trade2026-09-24Hartree Partners, LP
| Date | Side | Insider | Role | Shares | Avg price | Value | Trades |
|---|---|---|---|---|---|---|---|
| 2026-09-24 | Buy | Hartree Partners, LP | 10% owner | 118,549 | $5.10 | $604.4K | 1 |
| 2026-09-23 | Buy | Hartree Partners, LP | 10% owner | 11,013 | $5.10 | $56.2K | 1 |
| 2026-09-21 | Buy | Hartree Partners, LP | 10% owner | 2,502 | $5.10 | $12.8K | 1 |
| 2026-09-16 | Buy | Hartree Partners, LP | 10% owner | 11,136 | $5.10 | $56.8K | 1 |
| 2026-09-02 | Buy | Hartree Partners, LP | 10% owner | 5,317 | $5.10 | $27.1K | 1 |
| 2026-08-25 | Buy | Hartree Partners, LP | 10% owner | 91,166 | $5.50 | $501.1K | 1 |
| 2026-08-24 | Buy | Hartree Partners, LP | 10% owner | 9,446 | $5.50 | $52.0K | 1 |
| 2026-08-12 | Buy | Hartree Partners, LP | 10% owner | 5,198 | $5.50 | $28.6K | 1 |
| 2026-07-29 | Buy | Hartree Partners, LP | 10% owner | 52,104 | $5.99 | $312.1K | 1 |
| 2026-07-21 | Buy | Hartree Partners, LP | 10% owner | 47,708 | $5.99 | $285.7K | 1 |
| 2026-07-20 | Buy | Hartree Partners, LP | 10% owner | 17,842 | $5.99 | $106.9K | 1 |
| 2026-07-07 | Buy | Hartree Partners, LP | 10% owner | 600 | $5.99 | $3.6K | 1 |
| 2026-07-06 | Buy | Hartree Partners, LP | 10% owner | 4,634 | $5.99 | $27.8K | 1 |
| 2026-07-02 | Buy | Hartree Partners, LP | 10% owner | 271,302 | $5.97 | $1.6M | 1 |
| 2026-07-01 | Buy | Hartree Partners, LP | 10% owner | 288,111 | $5.88 | $1.7M | 1 |
| 2026-06-30 | Buy | Hartree Partners, LP | 10% owner | 204,789 | $5.68 | $1.2M | 1 |
| 2026-05-19 | Buy | Bertaux Brian J. | CFO | 2,000 | $4.87 | $9.7K | 1 |
| 2026-05-14 | Buy | Feeler Jeffrey R | Director | 5,100 | $4.92 | $25.1K | 1 |
| 2026-05-14 | Buy | Parrillo Richard | Director | 5,000 | $4.96 | $24.8K | 2 |
| 2026-05-14 | Buy | Mansy Loan Nguyen | Director | 5,000 | $4.96 | $24.8K | 2 |
| 2026-05-14 | Buy | Bulgarino Nicole E | Director | 550 | $4.85 | $2.7K | 1 |
| 2026-05-13 | Buy | Parrillo Richard | Director | 10,000 | $4.83 | $48.3K | 1 |
| 2026-05-13 | Buy | Sheriff Alan | Director | 5,200 | $4.88 | $25.4K | 1 |
| 2026-05-13 | Buy | Gaglione Kenneth | CEO | 5,000 | $4.90 | $24.5K | 1 |
| 2026-05-13 | Buy | Prouty Eric A | Director | 5,000 | $4.84 | $24.2K | 1 |
| 2025-12-05 | Sell | COLEMAN BRIAN F | Other | 484,616 | $7.40 | $3.6M | 1 |
| 2025-11-17 | Buy | ABBATECOLA VINCENT P | Director | 3,500 | $6.79 | $23.8K | 1 |
| 2024-11-07 | Buy | ABBATECOLA VINCENT P | Director | 2,500 | $5.98 | $15.0K | 1 |
| 2024-06-14 | Sell | ABBATECOLA VINCENT P | Director | 10,000 | $9.20 | $92.0K | 1 |
| 2023-12-14 | Sell | Parrillo Richard | Director | 20,205 | $13.29 | $268.5K | 6 |
| 2023-12-13 | Sell | Parrillo Richard | Director | 22,399 | $12.93 | $289.6K | 5 |
| 2023-12-12 | Sell | Parrillo Richard | Director | 30,000 | $12.85 | $385.5K | 3 |
| 2023-06-14 | Sell | Prouty Eric A | Director | 20,000 | $9.56 | $191.2K | 1 |
| 2023-03-14 | Buy | ABBATECOLA VINCENT P | Director | 1,000 | $8.27 | $8.3K | 1 |
| 2022-12-12 | Sell | Gaglione Kenneth | VP | 19,000 | $11.53 | $219.1K | 1 |
| 2022-11-09 | Sell | Krishnamurti Nat | CFO | 46,194 | $10.13 | $467.9K | 1 |
| 2022-11-08 | Sell | Krishnamurti Nat | CFO | 45,000 | $10.66 | $479.7K | 1 |
| 2022-06-15 | Sell | ABBATECOLA VINCENT P | Director | 20,000 | $9.75 | $195.0K | 1 |
| 2022-06-03 | Sell | ABBATECOLA VINCENT P | Director | 20,000 | $9.79 | $195.8K | 1 |
| 2022-05-31 | Sell | MANDRACCHIA STEPHEN P | Director | 83,677 | $9.70 | $811.7K | 2 |
| 2022-05-27 | Sell | MANDRACCHIA STEPHEN P | Director | 66,323 | $9.73 | $645.3K | 2 |
| 2022-05-09 | Sell | Prouty Eric A | Director | 75,000 | $9.00 | $675.0K | 1 |
| 2022-03-11 | Sell | MANDRACCHIA STEPHEN P | Director | 200,000 | $5.76 | $1.2M | 2 |
| 2021-12-16 | Sell | ABBATECOLA VINCENT P | Director | 10,000 | $3.76 | $37.6K | 1 |
| 2021-12-15 | Sell | ABBATECOLA VINCENT P | Director | 23,000 | $3.84 | $88.3K | 1 |
| 2021-12-10 | Sell | ABBATECOLA VINCENT P | Director | 35,320 | $4.04 | $142.7K | 1 |
| 2021-11-19 | Sell | MANDRACCHIA STEPHEN P | Director | 15,800 | $4.68 | $74.0K | 2 |
| 2021-11-18 | Sell | MANDRACCHIA STEPHEN P | Director | 184,200 | $4.71 | $867.6K | 2 |
| 2021-11-17 | Sell | Krishnamurti Nat | CFO | 200,000 | $4.76 | $952.0K | 1 |
| 2021-08-17 | Buy | COLEMAN BRIAN F | CEO | 25,000 | $2.89 | $72.2K | 3 |
| 2021-08-09 | Sell | MORCH OTTO C | Director | 57,211 | $3.20 | $183.1K | 1 |
| 2021-06-09 | Sell | Houghton Kathleen | VP | 20,000 | $2.92 | $58.4K | 10 |
| 2021-06-02 | Sell | MORCH OTTO C | Director | 13,262 | $2.95 | $39.1K | 1 |
| 2021-06-02 | Sell | Houghton Kathleen | VP | 3,582 | $3.00 | $10.7K | 2 |
| 2021-06-01 | Sell | ABBATECOLA VINCENT P | Director | 16,298 | $2.95 | $48.1K | 1 |
| 2021-05-26 | Sell | MANDRACCHIA STEPHEN P | Director | 47,853 | $2.48 | $118.7K | 2 |
| 2021-05-25 | Sell | MANDRACCHIA STEPHEN P | Director | 152,147 | $2.37 | $360.6K | 2 |
| 2021-03-12 | Sell | MANDRACCHIA STEPHEN P | Director | 100,000 | $1.57 | $157.0K | 3 |
| 2020-12-15 | Sell | ABBATECOLA VINCENT P | Director | 75,000 | $1.21 | $90.8K | 1 |
| 2020-11-16 | Sell | MONETTA DOMINIC J | Director | 15,000 | $1.15 | $17.2K | 1 |
| 2020-08-10 | Sell | MONETTA DOMINIC J | Director | 15,000 | $1.22 | $18.3K | 1 |
| 2019-05-22 | Sell | MONETTA DOMINIC J | Director | 10,000 | $2.06 | $20.6K | 1 |
| 2019-05-14 | Sell | MONETTA DOMINIC J | Director | 5,801 | $1.96 | $11.4K | 1 |
| 2019-05-09 | Sell | MONETTA DOMINIC J | Director | 5,000 | $1.90 | $9.5K | 1 |
| 2019-05-08 | Buy | Prouty Eric A | Director | 5,000 | $1.89 | $9.4K | 1 |
| 2018-12-12 | Buy | Prouty Eric A | Director | 5,000 | $1.64 | $8.2K | 1 |
| 2018-08-15 | Buy | Prouty Eric A | Director | 5,000 | $1.81 | $9.1K | 1 |
| 2018-05-30 | Buy | Parrillo Richard | Director | 25,000 | $2.27 | $56.9K | 5 |
| 2018-05-24 | Buy | Prouty Eric A | Director | 5,000 | $2.33 | $11.7K | 1 |
| 2018-05-23 | Buy | ZUGIBE KEVIN J | CEO | 20,000 | $2.11 | $42.3K | 3 |
| 2018-05-18 | Sell | MORCH OTTO C | Director | 12,224 | $2.52 | $30.8K | 2 |
| 2018-03-15 | Buy | ZUGIBE KEVIN J | CEO | 5,000 | $5.51 | $27.6K | 1 |
| 2018-03-15 | Buy | COLEMAN BRIAN F | President | 2,000 | $5.51 | $11.0K | 1 |
| 2018-03-15 | Buy | MANDRACCHIA STEPHEN P | VP | 2,000 | $5.51 | $11.0K | 1 |
| 2018-03-15 | Buy | ABBATECOLA VINCENT P | Director | 1,000 | $5.50 | $5.5K | 1 |
| 2017-12-17 | Buy | ABBATECOLA VINCENT P | Director | 2,000 | $5.76 | $11.5K | 1 |
| 2017-12-15 | Buy | Parrillo Richard | Director | 10,000 | $5.79 | $58.0K | 2 |