{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-25-004824","form_type":"8-K","ticker":"VXRT","cik":"0000072444","company_name":"Vaxart, Inc.","filed_at":"2025-02-24T23:59:59+00:00","discovered_at":"2026-05-14T18:03:06.200876+00:00","generated_at":"2026-05-26T06:36:18.486480+00:00","sec_items":["1.01","8.01"],"event_type":"regulatory","sentiment":"negative","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"Vaxart receives stop work order from BARDA on Project Agreement; work halted for 90 days","bullets":["Received stop work order from ATI (BARDA) on Feb 21, 2025 for all efforts under Project Agreement RRPV-24-04-NGVx-003.","Exception: Company may continue per protocol follow-up for the 400-person cohort.","Stop work is effective for 90 days; ATI may cancel, extend, or terminate within that period.","Project Agreement dated June 13, 2024; no financial impact disclosed yet."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-25-004824","json":"https://secwatch.observer/filing/0001437749-25-004824.json","markdown":"https://secwatch.observer/filing/0001437749-25-004824.md","text":"https://secwatch.observer/filing/0001437749-25-004824.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/72444/000143774925004824/0001437749-25-004824-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/72444/000143774925004824/vxrt20250222_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-26T06:36:18.486480+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"}