{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-074575","form_type":"8-K","ticker":"ALT","cik":"0001326190","company_name":"Altimmune, Inc.","filed_at":"2026-06-16T20:05:35+00:00","discovered_at":"2026-06-16T20:08:00.329597+00:00","generated_at":"2026-06-16T20:12:02.045670+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Altimmune plans HQ move from Gaithersburg, MD to Morristown, NJ","bullets":["Announced on June 16, 2026, relocation expected later this year.","New 5-year lease with annual rent of approximately $300,000.","Move to biopharma hub in NJ to support talent attraction in hybrid model.","Company expects long-term cost efficiencies from the relocation.","Headquarters change from 910 Clopper Road, Gaithersburg to Morristown."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-074575","json":"https://secwatch.observer/filing/0001104659-26-074575.json","markdown":"https://secwatch.observer/filing/0001104659-26-074575.md","text":"https://secwatch.observer/filing/0001104659-26-074575.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1326190/000110465926074575/0001104659-26-074575-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1326190/000110465926074575/tm2618087d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-16T20:12:02.045670+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"}