{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-24-000902","form_type":"8-K","ticker":"VTGN","cik":"0001411685","company_name":"Vistagen Therapeutics, Inc.","filed_at":"2024-01-09T23:59:59+00:00","discovered_at":"2026-05-14T18:03:24.107012+00:00","generated_at":"2026-06-07T01:25:11.935850+00:00","sec_items":["7.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"low","headline":"Vistagen begins using updated corporate presentation on January 8, 2024","bullets":["New corporate presentation adopted by Vistagen Therapeutics on Jan 8, 2024.","Presentation attached as Exhibit 99.1; no financial or pipeline details provided in the filing.","Item 7.01 disclosure; information is furnished, not filed, under SEC rules."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-24-000902","json":"https://secwatch.observer/filing/0001437749-24-000902.json","markdown":"https://secwatch.observer/filing/0001437749-24-000902.md","text":"https://secwatch.observer/filing/0001437749-24-000902.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1411685/000143774924000902/0001437749-24-000902-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1411685/000143774924000902/vtgn20240108_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T01:25:11.935850+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"}