---
schema_version: "secwatch.filing_event.v1"
accession: "0001683168-25-003310"
form_type: "8-K"
ticker: "YHNA"
cik: "0002020987"
company_name: "YHN Acquisition I Ltd"
filed_at: "2025-05-09T23:59:59+00:00"
generated_at: "2026-05-22T02:24:53.856315+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# YHN Acquisition I and Mingde Technology execute Joinder Agreement for business combination

## Summary
- Joinder Agreement executed May 8, 2025, adding YHNA MS I (Purchaser) and YHNA MS II (Merger Sub) as parties.
- Purchaser and Merger Sub, formed April 29, 2025, become fully bound by the April 3, 2025 Business Combination Agreement.
- Deal structure involves reincorporation merger of YHN into Purchaser, then acquisition merger of Merger Sub into Mingde.
- Post-closing, Purchaser will list on Nasdaq as the publicly traded entity.

## SEC filing metadata
- accession: 0001683168-25-003310
- form_type: 8-K
- ticker: YHNA
- cik: 0002020987
- company_name: YHN Acquisition I Ltd
- filed_at: 2025-05-09T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2020987/000168316825003310/0001683168-25-003310-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2020987/000168316825003310/yhna_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001683168-25-003310
- JSON: https://secwatch.observer/filing/0001683168-25-003310.json
- Plain text: https://secwatch.observer/filing/0001683168-25-003310.txt

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