{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-24-022667","form_type":"8-K","ticker":"VTGN","cik":"0001411685","company_name":"Vistagen Therapeutics, Inc.","filed_at":"2024-07-12T23:59:59+00:00","discovered_at":"2026-05-14T18:03:12.964162+00:00","generated_at":"2026-05-31T21:02:47.352524+00:00","sec_items":["4.01","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Vistagen dismisses WithumSmith+Brown, appoints KPMG as new auditor","bullets":["Dismissed WithumSmith+Brown, PC as auditor effective July 8, 2024, after competitive selection process by Audit Committee.","No disagreements or reportable events between Company and Withum for fiscal years ended March 31, 2024 and 2023.","Withum's 2023 audit report included going concern paragraph; 2024 report did not.","Engaged KPMG LLP as new independent registered public accounting firm for fiscal year ending March 31, 2025.","No prior consultations with KPMG on accounting principles, disagreements, or reportable events."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-24-022667","json":"https://secwatch.observer/filing/0001437749-24-022667.json","markdown":"https://secwatch.observer/filing/0001437749-24-022667.md","text":"https://secwatch.observer/filing/0001437749-24-022667.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1411685/000143774924022667/0001437749-24-022667-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1411685/000143774924022667/vtgn20240711_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T21:02:47.352524+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}