Hudson Technologies Inc
HDSNNasdaqCIK 925528Consumer discretionaryFiscal year ends Dec 31
Reports and events: 255 filings
Newest first, by EDGAR acceptance time (Eastern). Each filing’s page lists its documents on sec.gov and, for 10-K and 10-Q reports, the extracted sections.
What the forms are: 10-K, 10-Q, 8-K, Form 4, DEF 14A, Schedule 13D, Schedule 13G, amendments, accession numbers.
| Filed | Form | What it is | Accession number |
|---|---|---|---|
| 2026-08-0716:05 ET | 10-Q | Quarterly reportPeriod 2026-06-30 | 0001104659-26-092682 |
| 2026-08-0619:00 ET | 8-K | 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-26-091361 |
| 2026-08-0516:10 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-26-091092 |
| 2026-06-1216:05 ET | 8-K | 8.01 Other events | 0001104659-26-073424 |
| 2026-06-1109:16 ET | 8-K | 5.07 Shareholder vote results | 0001104659-26-072668 |
| 2026-05-2816:15 ET | 8-K | 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-26-067511 |
| 2026-05-2016:05 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001104659-26-064492 |
| 2026-05-1808:35 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-063042 |
| 2026-05-1116:05 ET | 10-Q | Quarterly reportPeriod 2026-03-31 | 0001104659-26-058632 |
| 2026-05-0616:16 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-26-056260 |
| 2026-04-2409:15 ET | DEF 14A | Proxy statementPeriod 2026-06-10 | 0001104659-26-048223 |
| 2026-04-1309:00 ET | 8-K | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-042384 |
| 2026-03-1816:10 ET | 8-K | 5.02 Departure or appointment of officers or directors; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-26-030906 |
| 2026-03-1616:05 ET | 10-K | Annual reportPeriod 2025-12-31 | 0001104659-26-028445 |
| 2026-03-0416:15 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-26-023461 |
| 2026-02-0209:01 ET | 8-K | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001104659-26-009003 |
| 2026-01-3008:45 ET | 8-K | 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-26-008337 |
| 2025-12-1716:15 ET | 8-K | 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-25-122053 |
| 2025-12-1016:43 ET | SCHEDULE 13D | Ownership report, active investor | 0000921895-25-003302 |
| 2025-12-0916:05 ET | 8-K | 5.02 Departure or appointment of officers or directors | 0001104659-25-119656 |
| 2025-12-0109:00 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-25-117162 |
| 2025-11-1317:00 ET | 8-K | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-25-111455 |
| 2025-11-0716:06 ET | 10-Q | Quarterly reportPeriod 2025-09-30 | 0001104659-25-108471 |
| 2025-11-0516:16 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-25-107007 |
| 2025-11-0316:16 ET | 8-K | 2.02 Results of operations; 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-25-105559 |
| 2025-10-2217:20 ET | 8-K | 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-25-101581 |
| 2025-08-0116:00 ET | 10-Q | Quarterly reportPeriod 2025-06-30 | 0001410578-25-001554 |
| 2025-07-3016:10 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-25-072160 |
| 2025-06-2316:06 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001104659-25-061667 |
| 2025-06-1216:18 ET | 8-K | 5.07 Shareholder vote results | 0001104659-25-058886 |
| 2025-05-0916:05 ET | 10-Q | Quarterly reportPeriod 2025-03-31 | 0001410578-25-001163 |
| 2025-05-0716:10 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-25-045533 |
| 2025-04-2509:00 ET | DEF 14A | Proxy statementPeriod 2025-06-11 | 0001104659-25-039079 |
| 2025-03-1217:07 ET | 10-K | Annual reportPeriod 2024-12-31 | 0001410578-25-000323 |
| 2025-03-0616:15 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-25-021376 |
| 2024-11-0816:15 ET | 10-Q | Quarterly reportPeriod 2024-09-30 | 0001410578-24-001834 |
| 2024-11-0416:15 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-24-113905 |
| 2024-10-2509:00 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-24-111320 |
| 2024-08-0915:19 ET | 10-Q | Quarterly reportPeriod 2024-06-30 | 0001410578-24-001274 |
| 2024-08-0616:15 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-24-086280 |
| 2024-07-3016:45 ET | 8-K | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-24-084005 |
| 2024-06-1309:00 ET | 8-K | 5.07 Shareholder vote results | 0001104659-24-071084 |
| 2024-06-0707:30 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001104659-24-069302 |
| 2024-05-0817:20 ET | 10-Q | Quarterly reportPeriod 2024-03-31 | 0001410578-24-000637 |
| 2024-05-0116:15 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-24-055740 |
| 2024-04-2516:05 ET | DEF 14A | Proxy statementPeriod 2024-06-12 | 0001104659-24-051957 |
| 2024-03-1417:00 ET | 10-K | Annual reportPeriod 2023-12-31 | 0001410578-24-000199 |
| 2024-03-0616:16 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-24-031481 |
| 2023-11-0716:11 ET | 10-Q | Quarterly reportPeriod 2023-09-30 | 0001410578-23-002221 |
| 2023-11-0116:15 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-23-113391 |
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:00 ET. Listed shows no prices and gives no investment advice.