Recent 8-K filings for YHNA

• June 11, 2026, 12:28 PM ET regulatory materiality 0.60 negative item 3.01 ◈ Listing & Compliance Notices ×2

  YHN Acquisition I receives Nasdaq deficiency notice for failing minimum total holders requirement

  Received Nasdaq notice on June 10, 2026 for non-compliance with Listing Rule 5450(a)(2) requiring 400 total holders.

• April 20, 2026, 7:59 PM ET regulatory materiality 0.75 negative item 3.01 ◈ Listing & Compliance Notices ×2

  YHN Acquisition I receives Nasdaq deficiency notices for MVPHS and MVLS; 180-day cure period

  Received two Nasdaq deficiency notices on April 17, 2026 for MVPHS (<$15M) and MVLS (<$50M).

• March 23, 2026, 7:59 PM ET other material materiality 0.25 neutral item 8.01

  YHN Acquisition I deposits $150K to extend business combination deadline to June 19, 2026

  Deposited $150,000 into trust account to fund a three-month extension.

• December 17, 2025, 6:59 PM ET M&A materiality 0.45 neutral item 1.01item 9.01 ◈ Material Agreements

  YHN Acquisition I extends Mingde merger deadline to June 18, 2026 via Amendment No. 2

  Amendment No. 2 to Business Combination Agreement signed December 15, 2025.

• December 16, 2025, 6:59 PM ET other material materiality 0.40 neutral item 8.01

  YHN Acquisition I extends business combination deadline to March 19, 2026 with $150k deposit

  Deposited $150,000 into trust account to extend deadline from Dec 19, 2025 to Mar 19, 2026.

• December 10, 2025, 6:59 PM ET other material materiality 0.60 neutral item 1.01item 5.03item 5.07item 8.01item 9.01 ◈ Governance Changes◈ Material Agreements

  YHN Acquisition I shareholders approve extension to Sep 2026; 3.46M shares redeemed

  Shareholders approved charter and trust amendments to extend business combination deadline by up to 9 months, to Sep 19, 2026.

• November 10, 2025, 6:59 PM ET M&A materiality 0.80 neutral item 1.01item 9.01

  YHN Acquisition I amends Mingde deal; base consideration cut to $200M, earnout now share-price-based

  Base consideration cut to $200M (20M shares at $10) + up to $80M earnout (8M shares) tied to share price.

• October 15, 2025, 7:59 PM ET leadership materiality 0.30 neutral item 1.01item 9.01

  YHN Acquisition I formalizes agreements with new CEO following prior CEO resignation and share transfer

  Ms. Poon Man Ka, Christy appointed CEO and director effective July 11, 2025; entered indemnification, escrow joinder, and letter agreements dated Oct 10, 2025.

• July 14, 2025, 7:59 PM ET leadership materiality 0.50 neutral item 5.02

  YHN Acquisition I CEO Satoshi Tominaga resigns; Christy Poon appointed as new CEO

  Satoshi Tominaga resigned as CEO and director effective July 11, 2025; no disagreement with company.

• June 5, 2025, 7:59 PM ET M&A materiality 0.70 neutral item 1.01item 9.01

  YHN Acquisition I amends Mingde merger, adds up to $70M earnout

  Total consideration increased to $326M plus up to $70M in Earnout Consideration Shares tied to future revenue.

• May 9, 2025, 7:59 PM ET M&A materiality 0.50 neutral item 1.01item 9.01

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

  Joinder Agreement executed May 8, 2025, adding YHNA MS I (Purchaser) and YHNA MS II (Merger Sub) as parties.

• April 4, 2025, 7:59 PM ET M&A materiality 0.90 neutral item 1.01item 9.01

  YHN Acquisition I enters $396M business combination with Mingde Technology

  Deal valued at $396M; 39.6M Purchaser shares at $10.00 each as consideration.

• January 16, 2025, 6:59 PM ET M&A materiality 0.75 positive item 1.01item 9.01

  SPAC YHN Acquisition I signs LOI for business combination with Mingde/XJR at $396M valuation

  Target equity valuation of $396 million; 39.6 million shares to be issued to Holdco shareholders.

• November 6, 2024, 6:59 PM ET other material materiality 0.25 neutral item 8.01item 9.01

  YHN Acquisition I allows separate trading of shares and rights from Nov 8

  Holders of YHNAU units may separate into ordinary shares and rights starting Nov 8, 2024.

• September 25, 2024, 7:59 PM ET other material materiality 0.60 negative item 8.01item 9.01

  YHN Acquisition I completes IPO raising $60M; trust account funded, auditor flags going concern risk

  Closed IPO of 6,000,000 units at $10.00/unit; gross proceeds $60M; private placement of 250,000 units to sponsor added $2.5M.

• September 19, 2024, 7:59 PM ET other material materiality 0.60 neutral item 1.01item 3.02item 5.03item 8.01item 9.01

  YHN Acquisition I Limited closes $60M IPO; 6M units at $10/unit

  Priced IPO of 6,000,000 units at $10.00/unit; gross proceeds $60M.

Materiality & sentiment trend

Max materiality 0.90 · Median 0.60 · Most common event other_material

1 positive 3 negative 12 neutral

source · YHNA on sec.gov