{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-22-007861","form_type":"8-K","ticker":"VXRT","cik":"0000072444","company_name":"Vaxart, Inc.","filed_at":"2022-03-31T23:59:59+00:00","discovered_at":"2026-05-14T18:04:09.566638+00:00","generated_at":"2026-06-26T12:47:47.063374+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Vaxart Principal Accounting Officer Margaret Echerd to retire May 5, 2022","bullets":["Margaret Echerd, SVP and Principal Accounting Officer, notified Vaxart of retirement effective May 5, 2022.","She will provide transition services; Company intends to enter advisory agreement post-retirement.","No replacement announced; transition period runs from March 28 to May 5, 2022."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-22-007861","json":"https://secwatch.observer/filing/0001437749-22-007861.json","markdown":"https://secwatch.observer/filing/0001437749-22-007861.md","text":"https://secwatch.observer/filing/0001437749-22-007861.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/72444/000143774922007861/0001437749-22-007861-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/72444/000143774922007861/vxrt20220331_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-26T12:47:47.063374+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":"c3e98e591f","claim":"Margaret Echerd departed as Senior Vice President and Principal Accounting Officer at Vaxart, Inc..","evidence_excerpt":"On March 28, 2022, Margaret Echerd notified Vaxart, Inc. (the “ Company ”) that she intends to retire as Senior Vice President and Principal Accounting Officer, effective as of May 5, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/72444/000143774922007861/0001437749-22-007861-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retire"},{"label":"Role","value":"Senior Vice President and Principal Accounting Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}