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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144
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5
8-K
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UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 8-K | FORM 8-K | 0001104659-22-069933 | Jun 10, 2022 | Jun 9, 2022 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-014350 | Jun 6, 2022 | Jun 3, 2022 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-013875 | May 31, 2022 | May 27, 2022 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-012857 | May 18, 2022 | May 17, 2022 |
| 10-Q | 10-Q | 0001410578-22-001262 | May 10, 2022 | Mar 31, 2022 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-011866 | May 9, 2022 | May 6, 2022 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-011903 | May 9, 2022 | — |
| 8-K | FORM 8-K | 0001104659-22-055833 | May 4, 2022 | — |
| DEFA14A | DEFA14A | 0001104659-22-050093 | Apr 26, 2022 | — |
| DEF 14A | DEF 14A | 0001104659-22-050091 | Apr 26, 2022 | Jun 9, 2022 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-010378 | Apr 18, 2022 | — |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-009188 | Apr 1, 2022 | Mar 31, 2022 |
| 10-K | 10-K | 0001410578-22-000491 | Mar 24, 2022 | Dec 31, 2021 |
| SC 13G | — | 0001512291-22-000002 | Mar 22, 2022 | — |
| NT 10-K | NT 10-K | 0001104659-22-034438 | Mar 16, 2022 | Dec 31, 2021 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-007628 | Mar 14, 2022 | Mar 11, 2022 |
| 8-K | FORM 8-K | 0001104659-22-031528 | Mar 8, 2022 | — |
| 8-K | FORM 8-K | 0001104659-22-029762 | Mar 3, 2022 | Mar 2, 2022 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-005830 | Feb 28, 2022 | Feb 24, 2022 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-005832 | Feb 28, 2022 | Feb 24, 2022 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-005834 | Feb 28, 2022 | Feb 24, 2022 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-005873 | Feb 28, 2022 | Feb 24, 2022 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-004672 | Feb 17, 2022 | Feb 15, 2022 |
| SC 13G/A | — | 0001172661-22-000638 | Feb 14, 2022 | — |
| SC 13G | HDSN2213G | 0001512162-22-000002 | Feb 14, 2022 | — |
| SC 13G/A | AMENDMENT NO. 1 TO SCHEDULE 13G | 0000892712-22-000038 | Feb 10, 2022 | — |
| SC 13G/A | SC 13G/A | 0001104659-22-016047 | Feb 9, 2022 | — |
| 5 | ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP | 0001062993-22-002976 | Feb 8, 2022 | Dec 31, 2021 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-002977 | Feb 8, 2022 | Jan 21, 2022 |
| SC 13G/A | — | 0000919574-22-000684 | Feb 7, 2022 | — |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-002614 | Feb 4, 2022 | Feb 3, 2022 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-001121 | Jan 18, 2022 | Dec 10, 2021 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-001118 | Jan 18, 2022 | Dec 15, 2021 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-001116 | Jan 18, 2022 | Nov 26, 2021 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-21-012726 | Dec 13, 2021 | Dec 9, 2021 |
| 4 | PRIMARY DOCUMENT | 0001449374-21-000064 | Nov 19, 2021 | Nov 18, 2021 |
| 4 | PRIMARY DOCUMENT | 0001449374-21-000060 | Nov 17, 2021 | Nov 15, 2021 |
| 4 | PRIMARY DOCUMENT | 0001449374-21-000062 | Nov 17, 2021 | Nov 15, 2021 |
| 10-Q | FORM 10-Q | 0001104659-21-139215 | Nov 15, 2021 | Sep 30, 2021 |
| 8-K | FORM 8-K | 0001104659-21-133648 | Nov 3, 2021 | — |
| 8-K | FORM 8-K | 0001104659-21-124424 | Oct 8, 2021 | Oct 7, 2021 |
| 4 | PRIMARY DOCUMENT | 0001449374-21-000058 | Sep 15, 2021 | Sep 13, 2021 |
| 4 | PRIMARY DOCUMENT | 0001449374-21-000056 | Aug 31, 2021 | Aug 30, 2021 |
| 4 | PRIMARY DOCUMENT | 0001449374-21-000054 | Aug 26, 2021 | Aug 24, 2021 |
| 4 | PRIMARY DOCUMENT | 0001449374-21-000052 | Aug 18, 2021 | Aug 17, 2021 |
| 10-Q | FORM 10-Q | 0001104659-21-103537 | Aug 11, 2021 | Jun 30, 2021 |
| 4 | PRIMARY DOCUMENT | 0001449374-21-000050 | Aug 9, 2021 | — |
| 8-K | FORM 8-K | 0001104659-21-100073 | Aug 4, 2021 | — |
| 4 | PRIMARY DOCUMENT | 0001449374-21-000048 | Aug 2, 2021 | Jul 29, 2021 |
| 4 | PRIMARY DOCUMENT | 0001449374-21-000046 | Jul 6, 2021 | Jul 1, 2021 |