---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-162593"
form_type: "8-K"
ticker: "STRR"
cik: "0001210708"
company_name: "Star Equity Holdings, Inc."
filed_at: "2025-07-22T23:59:59+00:00"
generated_at: "2026-05-18T04:09:37.479747+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Hudson Global S-4 effective; shareholder vote on Star Equity merger set for Aug 21

## Summary
- SEC declared Form S-4 effective on July 22, 2025; proxy/prospectus to be mailed to shareholders.
- Annual meeting scheduled for Aug 21, 2025 at 11:00 a.m. ET in Old Greenwich, CT; vote on issuance proposal (shares >5% of HSON outstanding).
- Merger consideration: each Star common share converts to 0.23 HSON shares; Star Series A preferred converts to Hudson Series A preferred.
- Exchanges of Star shares for HSON shares are taxable transactions for U.S. federal income tax purposes.

## SEC filing metadata
- accession: 0001193125-25-162593
- form_type: 8-K
- ticker: STRR
- cik: 0001210708
- company_name: Star Equity Holdings, Inc.
- filed_at: 2025-07-22T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.45
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1210708/000119312525162593/0001193125-25-162593-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1210708/000119312525162593/d921041d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-162593
- JSON: https://secwatch.observer/filing/0001193125-25-162593.json
- Plain text: https://secwatch.observer/filing/0001193125-25-162593.txt

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