{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-22-021345","form_type":"8-K","ticker":"VXRT","cik":"0000072444","company_name":"Vaxart, Inc.","filed_at":"2022-08-25T23:59:59+00:00","discovered_at":"2026-05-14T18:03:58.020391+00:00","generated_at":"2026-06-23T21:31:06.411872+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Vaxart appoints Elaine J. Heron to Board; Julie Cherrington resigns","bullets":["Julie Cherrington, Ph.D. resigned from Vaxart Board effective August 25, 2022.","Elaine J. Heron, Ph.D. appointed to Board, will serve on Audit and Science & Technology Committees.","Dr. Heron is independent; also serves on boards of BioMarin, Palvella, Visgenx, and Watershed Medical.","Michael J. Finney appointed Chair of Science & Technology Committee; W. Mark Watson to Compensation Committee."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-22-021345","json":"https://secwatch.observer/filing/0001437749-22-021345.json","markdown":"https://secwatch.observer/filing/0001437749-22-021345.md","text":"https://secwatch.observer/filing/0001437749-22-021345.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/72444/000143774922021345/0001437749-22-021345-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/72444/000143774922021345/vxrt20220824_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-23T21:31:06.411872+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":"2797a6b3b9","claim":"Elaine J. Heron was appointed as Director at Vaxart, Inc..","evidence_excerpt":"on August 25, 2022, the Board appointed Elaine J. Heron, Ph.D., to serve on the Board to fill the vacancy caused by Dr. Cherrington’s resignation","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/72444/000143774922021345/0001437749-22-021345-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"3293a0610a","claim":"Julie Cherrington resigned as Director at Vaxart, Inc..","evidence_excerpt":"On August 23, 2022, Julie Cherrington, Ph.D. resigned from the Board of Directors (the “ Board ”) of Vaxart, Inc.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/72444/000143774922021345/0001437749-22-021345-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}