HUDSON TECHNOLOGIES INC /NY — All Filings
1,000 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-001564 | Mar 27, 2026 | — |
| 8-K | FORM 8-K | 0001104659-26-030906 | Mar 18, 2026 | Mar 13, 2026 |
| 10-K | 10-K | 0001104659-26-028445 | Mar 16, 2026 | Dec 31, 2025 |
| 8-K | FORM 8-K | 0001104659-26-023461 | Mar 4, 2026 | — |
| SCHEDULE 13G/A | — | 0002073679-26-000033 | Feb 17, 2026 | — |
| 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 0000925528-26-000005 | Feb 2, 2026 | Jan 30, 2026 |
| 8-K | FORM 8-K | 0001104659-26-009003 | Feb 2, 2026 | Jan 30, 2026 |
| 8-K | FORM 8-K | 0001104659-26-008337 | Jan 30, 2026 | — |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0000925528-26-000002 | Jan 12, 2026 | Jan 8, 2026 |
| EFFECT | — | 9999999995-26-000092 | Jan 7, 2026 | — |
| 8-K | FORM 8-K | 0001104659-25-122053 | Dec 17, 2025 | — |
| S-3 | S-3 | 0001104659-25-121568 | Dec 16, 2025 | — |
| 4/A | PRIMARY DOCUMENT | 0001250706-25-000004 | Dec 15, 2025 | Dec 5, 2025 |
| SCHEDULE 13D | — | 0000921895-25-003302 | Dec 10, 2025 | — |
| 8-K | FORM 8-K | 0001104659-25-119656 | Dec 9, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001250706-25-000003 | Dec 9, 2025 | Dec 5, 2025 |
| 8-K | FORM 8-K | 0001104659-25-117162 | Dec 1, 2025 | Nov 25, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0000925528-25-000013 | Nov 25, 2025 | Nov 24, 2025 |
| 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 0000925528-25-000011 | Nov 24, 2025 | — |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0000925528-25-000007 | Nov 18, 2025 | Nov 17, 2025 |
| 8-K | FORM 8-K | 0001104659-25-111455 | Nov 13, 2025 | — |
| 10-Q | 10-Q | 0001104659-25-108471 | Nov 7, 2025 | Sep 30, 2025 |
| 8-K | FORM 8-K | 0001104659-25-107007 | Nov 5, 2025 | — |
| 8-K | FORM 8-K | 0001104659-25-105559 | Nov 3, 2025 | — |
| 8-K | FORM 8-K | 0001104659-25-101581 | Oct 22, 2025 | — |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0000925528-25-000005 | Sep 26, 2025 | Sep 24, 2025 |
| 10-Q | 10-Q | 0001410578-25-001554 | Aug 1, 2025 | Jun 30, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-013411 | Aug 1, 2025 | Jul 31, 2025 |
| 8-K | FORM 8-K | 0001104659-25-072160 | Jul 30, 2025 | — |
| SCHEDULE 13G | — | 0001546172-25-000006 | Jun 24, 2025 | — |
| 8-K | FORM 8-K | 0001104659-25-061667 | Jun 23, 2025 | — |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-011955 | Jun 20, 2025 | Jun 18, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-011954 | Jun 20, 2025 | Jun 18, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-011953 | Jun 20, 2025 | Jun 18, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-011952 | Jun 20, 2025 | Jun 18, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-011951 | Jun 20, 2025 | Jun 18, 2025 |
| 8-K | FORM 8-K | 0001104659-25-058886 | Jun 12, 2025 | Jun 11, 2025 |
| SCHEDULE 13G/A | — | 0000899140-25-000658 | May 14, 2025 | — |
| 10-Q | 10-Q | 0001410578-25-001163 | May 9, 2025 | Mar 31, 2025 |
| 8-K | FORM 8-K | 0001104659-25-045533 | May 7, 2025 | — |
| ARS | ARS | 0001104659-25-039087 | Apr 25, 2025 | Dec 31, 2024 |
| DEFA14A | DEFA14A | 0001104659-25-039086 | Apr 25, 2025 | — |
| DEF 14A | DEF 14A | 0001104659-25-039079 | Apr 25, 2025 | Jun 11, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-005573 | Mar 17, 2025 | Mar 13, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-005572 | Mar 17, 2025 | Mar 13, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-005571 | Mar 17, 2025 | Mar 13, 2025 |
| SCHEDULE 13G | — | 0000899140-25-000415 | Mar 12, 2025 | — |
| 10-K | 10-K | 0001410578-25-000323 | Mar 12, 2025 | Dec 31, 2024 |
| 8-K | FORM 8-K | 0001104659-25-021376 | Mar 6, 2025 | — |
| SC 13G/A | — | 0000932471-24-001091 | Nov 12, 2024 | — |