{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-228012","form_type":"8-K","ticker":"VIVS","cik":"0001497253","company_name":"VivoSim Labs, INC.","filed_at":"2023-09-05T23:59:59+00:00","discovered_at":"2026-05-14T18:03:34.092373+00:00","generated_at":"2026-06-10T23:55:05.184280+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":"Organovo appoints Rosenberg Rich Baker Berman as new auditor effective Aug 31, 2023","bullets":["Former auditor MHM ceased on Aug 10, 2023 after filing Q1 FY2024 10-Q.","Audit Committee approved RRBB P.A. as independent registered public accounting firm.","No prior consultations with RRBB on accounting principles or audit opinions.","No disagreements or reportable events during fiscal years 2022 and 2023."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-228012","json":"https://secwatch.observer/filing/0001193125-23-228012.json","markdown":"https://secwatch.observer/filing/0001193125-23-228012.md","text":"https://secwatch.observer/filing/0001193125-23-228012.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1497253/000119312523228012/0001193125-23-228012-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1497253/000119312523228012/d541334d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-10T23:55:05.184280+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":"2ab7dcf654986283a99311e375eb68e29eb37dfc","claim":"Mayer Hoffman McCann P.C. resigned as auditor of VivoSim Labs, INC..","evidence_excerpt":"Mayer Hoffman McCann P.C. (“MHM”) informed the Company and the Audit Committee (the “Audit Committee”) of the Company’s Board of Directors that it would not stand for re-election 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/1497253/000119312523228012/0001193125-23-228012-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"resignation"},{"label":"Auditor","value":"Mayer Hoffman McCann P.C."}],"fact_type":"auditor_change"},{"claim_id":"32a53e76014683da8d906b5f41b426763b6fb90a","claim":"VivoSim Labs, INC. engaged Rosenberg Rich Baker Berman P.A. as its auditor.","evidence_excerpt":"the Audit Committee approved the appointment of Rosenberg Rich Baker Berman P.A. (“RRBB P.A.”) as the Company’s new independent registered public accounting firm, effective as of August 31, 2023","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1497253/000119312523228012/0001193125-23-228012-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"engagement"},{"label":"Auditor","value":"Rosenberg Rich Baker Berman P.A."}],"fact_type":"auditor_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}