{"schema_version":"secwatch.filing_event.v1","accession":"0001326190-25-000067","form_type":"8-K","ticker":"ALT","cik":"0001326190","company_name":"Altimmune, Inc.","filed_at":"2025-11-06T23:59:59+00:00","discovered_at":"2026-05-14T18:02:39.109711+00:00","generated_at":"2026-05-16T23:26:54.949906+00:00","sec_items":["1.01","1.02","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Altimmune enters $200M ATM equity distribution agreement with Leerink Partners; terminates prior $150M ATM","bullets":["Entered November 2025 Agreement with Leerink Partners for ATM offering of up to $200M common stock.","Sales agent Leerink receives 3% commission on gross proceeds of shares sold under the program.","Prior February 2025 ATM program (up to $150M) terminated effective November 6, 2025 without penalties.","Shares sold through Nasdaq Global Market under Rule 415(a)(4) at the company's discretion."],"urls":{"canonical":"https://secwatch.observer/filing/0001326190-25-000067","json":"https://secwatch.observer/filing/0001326190-25-000067.json","markdown":"https://secwatch.observer/filing/0001326190-25-000067.md","text":"https://secwatch.observer/filing/0001326190-25-000067.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1326190/000132619025000067/0001326190-25-000067-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1326190/000132619025000067/alt-20251106x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T23:26:54.949906+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"}