{"schema_version":"secwatch.filing_event.v1","accession":"0001326190-26-000008","form_type":"8-K","ticker":"ALT","cik":"0001326190","company_name":"Altimmune, Inc.","filed_at":"2026-02-03T23:59:59+00:00","discovered_at":"2026-05-14T18:02:34.809703+00:00","generated_at":"2026-05-16T05:16:45.375929+00:00","sec_items":["8.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.1,"calibrated_materiality_score":0.1,"confidence":"high","headline":"Altimmune sets 2026 annual meeting for April 16; proposal deadline Feb 13","bullets":["Annual meeting scheduled for April 16, 2026; record date is March 13, 2026.","Stockholder proposals for inclusion in proxy must be received by February 13, 2026.","Director nominations under bylaws and universal proxy rule due by February 13 and February 15, 2026, respectively."],"urls":{"canonical":"https://secwatch.observer/filing/0001326190-26-000008","json":"https://secwatch.observer/filing/0001326190-26-000008.json","markdown":"https://secwatch.observer/filing/0001326190-26-000008.md","text":"https://secwatch.observer/filing/0001326190-26-000008.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1326190/000132619026000008/0001326190-26-000008-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1326190/000132619026000008/alt-20260202x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T05:16:45.375929+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"}