HUDSON TECHNOLOGIES INC /NY — 4 Filings
491 4 filings on record
This page lists all 4 filings submitted to the SEC by HUDSON TECHNOLOGIES INC /NY (HDSN), sorted by most recent first. Each row links to the full filing on EdgarLookup. HUDSON TECHNOLOGIES INC /NY has filed 491 4 documents with the SEC since 2004. To view all SEC filings by HUDSON TECHNOLOGIES INC /NY, see the full filings list.
All
10-K
10-K/A
10-Q
10KSB
10KSB/A
10KSB40
10QSB
10QSB/A
11-K
144
3
4
4/A
424B3
424B5
5
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
DEFR14A
DEFS14A
EFFECT
NT 10-K
NT 10-Q
PRE 14A
PRER14A
PRES14A
REGDEX
REGDEX/A
S-3
S-3/A
S-3MEF
S-8
SB-2
SB-2/A
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-I
SC TO-I/A
SCHEDULE 13D
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0000925528-26-000002 | Jan 12, 2026 | Jan 8, 2026 |
| 4 | PRIMARY DOCUMENT | 0001250706-25-000003 | Dec 9, 2025 | Dec 5, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0000925528-25-000013 | Nov 25, 2025 | Nov 24, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0000925528-25-000007 | Nov 18, 2025 | Nov 17, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0000925528-25-000005 | Sep 26, 2025 | Sep 24, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-013411 | Aug 1, 2025 | Jul 31, 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 | 0001062993-25-011951 | 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 | 0001062993-25-011954 | 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 | 0001062993-25-005572 | Mar 17, 2025 | Mar 13, 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 | 0001062993-25-005571 | Mar 17, 2025 | Mar 13, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-24-018816 | Nov 12, 2024 | Nov 7, 2024 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-24-012877 | Jun 21, 2024 | Jun 19, 2024 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-24-012874 | Jun 21, 2024 | Jun 19, 2024 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-24-012875 | Jun 21, 2024 | Jun 19, 2024 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-24-012876 | Jun 21, 2024 | Jun 19, 2024 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-24-012888 | Jun 21, 2024 | Jun 19, 2024 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-24-012737 | Jun 18, 2024 | Jun 14, 2024 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-24-012622 | Jun 14, 2024 | Jun 12, 2024 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-24-004764 | Feb 28, 2024 | Feb 27, 2024 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-24-004860 | Feb 28, 2024 | Feb 27, 2024 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-24-004763 | Feb 28, 2024 | Feb 27, 2024 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-022605 | Dec 14, 2023 | Dec 12, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-019747 | Oct 27, 2023 | Oct 25, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-018017 | Sep 14, 2023 | Sep 12, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-015373 | Jul 27, 2023 | Jul 19, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-015378 | Jul 27, 2023 | Jul 19, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-013940 | Jun 22, 2023 | Jun 14, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-013726 | Jun 16, 2023 | Jun 14, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-013720 | Jun 16, 2023 | Jun 14, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-013730 | Jun 16, 2023 | Jun 14, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-013722 | Jun 16, 2023 | Jun 14, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-013724 | Jun 16, 2023 | Jun 14, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-013601 | Jun 15, 2023 | Jun 14, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-013003 | Jun 6, 2023 | Jun 2, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-006891 | Mar 15, 2023 | Mar 14, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-005835 | Mar 3, 2023 | Mar 1, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-005817 | Mar 3, 2023 | Mar 1, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-005818 | Mar 3, 2023 | Mar 1, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-005815 | Mar 3, 2023 | Mar 1, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-000697 | Jan 9, 2023 | Jan 6, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-023883 | Dec 14, 2022 | Dec 12, 2022 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-021858 | Nov 10, 2022 | Nov 8, 2022 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-020213 | Oct 4, 2022 | Sep 30, 2022 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-020217 | Oct 4, 2022 | Sep 30, 2022 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-020225 | Oct 4, 2022 | Sep 30, 2022 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-020246 | Oct 4, 2022 | Sep 30, 2022 |