{"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","discovered_at":"2026-05-14T18:03:06.726979+00:00","generated_at":"2026-05-28T11:54:27.190521+00:00","sec_items":["4.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Yubo Biotech dismisses auditor MTS CPA due to president's retirement, hires HHL Advisors as successor","bullets":["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."],"urls":{"canonical":"https://secwatch.observer/filing/0001640334-25-000025","json":"https://secwatch.observer/filing/0001640334-25-000025.json","markdown":"https://secwatch.observer/filing/0001640334-25-000025.md","text":"https://secwatch.observer/filing/0001640334-25-000025.txt","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"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-28T11:54:27.190521+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"55bfc6de3af41983320737ec29003f17ab133f08","claim":"Yubo International Biotech Ltd dismissed Michael T. Studer CPA P.C. as its auditor.","evidence_excerpt":"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_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/895464/000164033425000025/0001640334-25-000025-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"dismissal"},{"label":"Auditor","value":"Michael T. Studer CPA P.C."},{"label":"Successor","value":"HHL Advisors Group"}]},{"claim_id":"ea57b7d9bd391ba6c6274b44e991aca0bedd990d","claim":"Yubo International Biotech Ltd engaged HHL Advisors Group as its auditor.","evidence_excerpt":"On December 26, 2024, the Company engaged HHL Advisors Group (“HHL”) as its new independent registered public accountant, effective January 2, 2025.","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/895464/000164033425000025/0001640334-25-000025-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"engagement"},{"label":"Auditor","value":"HHL Advisors Group"}]}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}