---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-063042"
form_type: "8-K"
ticker: "HDSN"
cik: "0000925528"
company_name: "HUDSON TECHNOLOGIES INC /NY"
filed_at: "2026-05-18T12:35:28+00:00"
generated_at: "2026-05-18T12:40:45.838017+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "medium"
source: SEC EDGAR
---

# Hudson Technologies board and management purchase company stock in open market

## Summary
- All board members and certain senior management increased positions via open market purchases of HDSN common stock.
- CEO Ken Gaglione cites confidence in strategy to capitalize on AIM Act-driven HFC scarcity and expand services platform.
- Lead Independent Director Rich Parrillo states the purchases reflect board alignment with shareholders.
- No specific share numbers, prices, or total transaction value disclosed in the press release.

## SEC filing metadata
- accession: 0001104659-26-063042
- form_type: 8-K
- ticker: HDSN
- cik: 0000925528
- company_name: HUDSON TECHNOLOGIES INC /NY
- filed_at: 2026-05-18T12:35:28+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: medium
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/925528/000110465926063042/0001104659-26-063042-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/925528/000110465926063042/tm2614664d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-063042
- JSON: https://secwatch.observer/filing/0001104659-26-063042.json
- Plain text: https://secwatch.observer/filing/0001104659-26-063042.txt

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