---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-016100"
form_type: "8-K"
ticker: "OSRH"
cik: "0001840425"
company_name: "OSR Holdings, Inc."
filed_at: "2025-02-21T23:59:59+00:00"
generated_at: "2026-05-26T07:08:55.881679+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 1.0
calibrated_materiality_score: 1.0
confidence: "high"
source: SEC EDGAR
---

# OSR Holdings completes reverse merger with OSR Korea; begins trading as OSRH

## Summary
- Issued 16,282,047 shares to acquire ~67% of OSR Korea; total shares outstanding 19,276,978.
- Kuk Hyoun Hwang beneficially owns 67.8% of OSRH common stock post-closing.
- Lock-up agreements restrict 70-100% of certain holder shares for up to 36 months.
- Company ceased being a shell company; common stock and warrants trade on Nasdaq under OSRH/OSRHW.

## SEC filing metadata
- accession: 0001213900-25-016100
- form_type: 8-K
- ticker: OSRH
- cik: 0001840425
- company_name: OSR Holdings, Inc.
- filed_at: 2025-02-21T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 1.0
- calibrated_materiality_score: 1.0
- confidence: high
- sec_items: 1.01, 2.01, 5.06, 5.02, 3.03, 5.03, 5.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1840425/000121390025016100/0001213900-25-016100-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1840425/000121390025016100/ea0231611-8k_osrhold.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-016100
- JSON: https://secwatch.observer/filing/0001213900-25-016100.json
- Plain text: https://secwatch.observer/filing/0001213900-25-016100.txt

## Key facts
- Executive change
  Kuk Hyoun Hwang was appointed as President and Chief Executive Officer at OSR Holdings, Inc..
  - Action: appointed
  - Role: President and Chief Executive Officer
  source text: Kuk Hyoun Hwang is the President and Chief Executive Officer of the Company
  evidence_url: https://www.sec.gov/Archives/edgar/data/1840425/000121390025016100/0001213900-25-016100-index.htm
- Executive change
  David J. Yoo resigned as Chief Financial Officer at OSR Holdings, Inc..
  - Action: resigned
  - Role: Chief Financial Officer
  source text: David J. Yoo resigned from his position as BLAC's Chief Financial Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1840425/000121390025016100/0001213900-25-016100-index.htm
- Executive change
  Gihyoun Bang was appointed as Chief Financial Officer at OSR Holdings, Inc..
  - Action: appointed
  - Role: Chief Financial Officer
  source text: Gihyoun Bang is Chief Financial Officer
  evidence_url: https://www.sec.gov/Archives/edgar/data/1840425/000121390025016100/0001213900-25-016100-index.htm
- Executive change
  Sang Hoon Kim was appointed as Head of Corporate Venture Capital at OSR Holdings, Inc..
  - Action: appointed
  - Role: Head of Corporate Venture Capital
  source text: Sang Hoon Kim is Head of Corporate Venture Capital
  evidence_url: https://www.sec.gov/Archives/edgar/data/1840425/000121390025016100/0001213900-25-016100-index.htm
- Executive change
  Jun Chul Whang was appointed as Chief Legal Officer and Secretary at OSR Holdings, Inc..
  - Action: appointed
  - Role: Chief Legal Officer and Secretary
  source text: Jun Chul Whang is Chief Legal Officer and Secretary
  evidence_url: https://www.sec.gov/Archives/edgar/data/1840425/000121390025016100/0001213900-25-016100-index.htm

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