---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-119656"
form_type: "8-K"
ticker: "HDSN"
cik: "0000925528"
company_name: "HUDSON TECHNOLOGIES INC /NY"
filed_at: "2025-12-09T23:59:59+00:00"
generated_at: "2026-05-16T13:54:20.619758+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Director Brian F. Coleman resigns from Hudson Technologies board effective Dec 9, 2025

## Summary
- Brian F. Coleman resigned as a member of the Board of Directors of Hudson Technologies, effective immediately.
- The resignation was not the result of any disagreement with the company.
- No replacement director has been named at this time.

## SEC filing metadata
- accession: 0001104659-25-119656
- form_type: 8-K
- ticker: HDSN
- cik: 0000925528
- company_name: HUDSON TECHNOLOGIES INC /NY
- filed_at: 2025-12-09T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/925528/000110465925119656/0001104659-25-119656-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/925528/000110465925119656/tm2533107d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-119656
- JSON: https://secwatch.observer/filing/0001104659-25-119656.json
- Plain text: https://secwatch.observer/filing/0001104659-25-119656.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.