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| Keyboard |
| Hudson Technologies Inc /NY | |
|---|---|
| Ticker | HDSN |
| CIK # | 0000925528 |
| CUSIP | 444144109 |
| Sector | Trade & Services - Wholesale-Machinery, Equipment & Supplies |
| Address | PO Box 1541 One Blue Hill Plaza, 14th Floor, Pearl River, NY 10965 |
| Source | [EDGAR] |
| CIK | Filing | 2011 - 2026 |
|---|---|---|
| [0000925528] | 10-K | |
| [0000925528] | 10-Q | |
| [0000925528] | 3 | |
| [0000925528] | 4 | |
| [0000925528] | 5 | |
| [0000925528] | 8-K | |
| [0000925528] | SC 13D | |
| [0000925528] | SC 13G |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Houghton Kathleen
Common Stock
|
2026-01-08 | Option exercise | 50,888 | $3.81 | 193,883 |
|
Houghton Kathleen
Common Stock
|
2026-01-08 | Option exercise | 47,619 | $1.60 | 76,190 |
|
Houghton Kathleen
Stock Option · derivative
|
2026-01-08 | Option exercise | 50,888 | $0.00 | |
|
Houghton Kathleen
Common Stock
|
2026-01-08 | Tax withheld | 44,873 | $7.10 | 318,598 |
|
Houghton Kathleen
Common Stock
|
2026-01-08 | Tax withheld | 34,382 | $7.10 | 244,112 |
|
Houghton Kathleen
Stock Option · derivative
|
2026-01-08 | Option exercise | 47,619 | $0.00 | |
|
Houghton Kathleen
Common Stock
|
2026-01-08 | Tax withheld | 21,797 | $7.10 | 154,759 |
|
Houghton Kathleen
Stock Option · derivative
|
2026-01-08 | Option exercise | 120,000 | $0.00 | |
|
Houghton Kathleen
Common Stock
|
2026-01-08 | Option exercise | 120,000 | $0.75 | 90,000 |
|
Coleman Brian F
Common Stock
|
2025-12-05 | Sell | 484,616 | $7.40 | 3,586,158 |
|
Common Stock
|
2025-12-05 | Sell | 484,616 | $7.40 | 3,586,158 |
|
Gaglione Kenneth
Stock Option · derivative
|
2025-11-24 | Grant | 216,309 | $0.00 | |
|
Abbatecola Vincent P
Common Stock
|
2025-11-17 | Buy | 3,500 | $6.79 | 23,765 |
|
Common Stock
|
2025-09-24 | Tax withheld | 3,519 | $9.91 | 34,873 |
|
Stock Options · derivative
|
2025-09-24 | Option exercise | 4,744 | $0.00 | |
|
Common Stock
|
2025-09-24 | Option exercise | 4,744 | $7.35 | 34,868 |
|
Prouty Eric A
Common Stock
|
2025-07-31 | Tax withheld | 3,713 | $9.39 | 34,865 |
|
Prouty Eric A
Common Stock
|
2025-07-31 | Option exercise | 4,744 | $7.35 | 34,868 |
|
Prouty Eric A
Stock Options · derivative
|
2025-07-31 | Option exercise | 4,744 | $0.00 | |
|
Prouty Eric A
Stock Options · derivative
|
2025-06-18 | Grant | 13,698 | $0.00 | |
| showing 20 of 200 most recent transactions | |||||
| 13F Ownership Over Time | Holders | Shares Held |
|---|---|---|
| 2026-03-31 | 160 | 32,986,605 |
| 2025-12-31 | 168 | 32,965,641 |
| 2025-09-30 | 173 | 33,332,887 |
| 2025-06-30 | 149 | 34,080,452 |
| 2025-03-31 | 163 | 31,642,635 |
| 2024-12-31 | 170 | 30,072,509 |
| 2024-09-30 | 174 | 30,911,904 |
| 2024-06-30 | 162 | 31,575,338 |
| 2024-03-31 | 169 | 32,269,364 |
| 2023-12-31 | 148 | 31,797,391 |
| 2023-09-30 | 145 | 28,206,292 |
| 2023-06-30 | 135 | 25,882,054 |
| Form 13F Holdings | ||||
|---|---|---|---|---|
| Firm | Period | DFND | Voting | Shares |
| Wedge Capital Management L L P/NC | [2026-06-30] | SOLE | 113,197 | 137,618 |
| Isthmus Partners LLC | [2026-06-30] | SOLE | 57,456 | 57,456 |
| Park Capital Management LLC / WI | [2026-06-30] | SOLE | 27,078 | 27,078 |
| Commonwealth Financial Services LLC | [2026-06-30] | SOLE | 0 | 16,728 |
| Fifth Third Wealth Advisors LLC | [2026-06-30] | SOLE | 16,445 | 16,445 |
| Wealth Enhancement Advisory Services LLC | [2026-06-30] | SOLE | 247 | 15,133 |
| Cardinal Point Capital Management ULC | [2026-06-30] | SOLE | 0 | 12,850 |
| 1620 Investment Advisors Inc | [2026-06-30] | SOLE | 12,430 | 12,430 |
| Alaska Retirement Management Board | [2026-06-30] | SOLE | 4,145 | 4,145 |
| Farther Finance Advisors LLC | [2026-06-30] | SOLE | 0 | 3,627 |
| Gamma Investing LLC | [2026-06-30] | DFND | 1,579 | 1,579 |
| Versant Capital Management Inc | [2026-06-30] | SOLE | 1,134 | 1,134 |
| True Wealth Design LLC | [2026-06-30] | SOLE | 0 | 684 | Prev | Page 1 | Next |