---
schema_version: "secwatch.filing_event.v1"
accession: "0001640334-25-000025"
form_type: "8-K"
ticker: "YBGJ"
cik: "0000895464"
company_name: "Yubo International Biotech Ltd"
filed_at: "2025-01-06T23:59:59+00:00"
generated_at: "2026-05-28T11:54:27.190521+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Yubo Biotech dismisses auditor MTS CPA due to president's retirement, hires HHL Advisors as successor

## Summary
- Dismissal of Michael T. Studer CPA P.C. effective Jan 2, 2025; prior auditor's reports contained a going concern explanatory paragraph.
- No disagreements or reportable events occurred during fiscal years 2022, 2023, or the interim period through Dec 26, 2024.
- Engagement of HHL Advisors Group as new independent registered public accounting firm, effective Jan 2, 2025, approved by board.
- Neither the company nor anyone on its behalf consulted HHL on accounting principles or audit opinions prior to engagement.

## SEC filing metadata
- accession: 0001640334-25-000025
- form_type: 8-K
- ticker: YBGJ
- cik: 0000895464
- company_name: Yubo International Biotech Ltd
- filed_at: 2025-01-06T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/895464/000164033425000025/0001640334-25-000025-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/895464/000164033425000025/yubo_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001640334-25-000025
- JSON: https://secwatch.observer/filing/0001640334-25-000025.json
- Plain text: https://secwatch.observer/filing/0001640334-25-000025.txt

## Key facts
- Auditor Changes
  Yubo International Biotech Ltd dismissed Michael T. Studer CPA P.C. as its auditor.
  - Action: dismissal
  - Auditor: Michael T. Studer CPA P.C.
  - Successor: HHL Advisors Group
  source text: On December 26, 2024, Yubo International Biotech Limited, a New York corporation (the “Company”), dismissed Michael T. Studer CPA P.C. (“MTS CPA”) as the Company’s independent registered public accounting firm
  evidence_url: https://www.sec.gov/Archives/edgar/data/895464/000164033425000025/0001640334-25-000025-index.htm
- Auditor Changes
  Yubo International Biotech Ltd engaged HHL Advisors Group as its auditor.
  - Action: engagement
  - Auditor: HHL Advisors Group
  source text: On December 26, 2024, the Company engaged HHL Advisors Group (“HHL”) as its new independent registered public accountant, effective January 2, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/895464/000164033425000025/0001640334-25-000025-index.htm

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