# HUDSON TECHNOLOGIES INC /NY — DEFA14A

HUDSON TECHNOLOGIES INC /NY of PEARL RIVER, NY filed a DEFA14A with the SEC on 2021-04-28. Industry: Wholesale-Machinery, Equipment & Supplies.

## Filing

- Filed: 2021-04-28
- Form: DEFA14A
- Accession: 0001104659-21-056557
- Registrant: HUDSON TECHNOLOGIES INC /NY
- CIK: 0000925528
- Industry (SIC): Wholesale-Machinery, Equipment & Supplies (5080)
- State of incorporation: NY
- Location: PEARL RIVER, NY

## Documents (3)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEFA14A | DEFA14A |
| 2 | GRAPHIC | GRAPHIC |
| 3 | GRAPHIC | GRAPHIC |

## Filing timeline for this registrant (60)

_Showing 12 of 60 filings._

| Filed | Form |
| --- | --- |
| [2026-04-24](https://search.stillhousedata.com/proxy/0001104659-26-048228) | DEFA14A |
| [2026-04-24](https://search.stillhousedata.com/proxy/0001104659-26-048223) | DEF 14A |
| [2025-04-25](https://search.stillhousedata.com/proxy/0001104659-25-039086) | DEFA14A |
| [2025-04-25](https://search.stillhousedata.com/proxy/0001104659-25-039079) | DEF 14A |
| [2024-04-25](https://search.stillhousedata.com/proxy/0001104659-24-051962) | DEFA14A |
| [2024-04-25](https://search.stillhousedata.com/proxy/0001104659-24-051957) | DEF 14A |
| [2023-04-26](https://search.stillhousedata.com/proxy/0001104659-23-050409) | DEFA14A |
| [2023-04-26](https://search.stillhousedata.com/proxy/0001104659-23-050402) | DEF 14A |
| [2022-04-26](https://search.stillhousedata.com/proxy/0001104659-22-050093) | DEFA14A |
| [2022-04-26](https://search.stillhousedata.com/proxy/0001104659-22-050091) | DEF 14A |
| 2021-04-28 | DEFA14A |
| [2021-04-28](https://search.stillhousedata.com/proxy/0001104659-21-056546) | DEF 14A |

## More

- [CIK 925528 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=925528&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0001104659-21-056557.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.