{"schema_version":"secwatch.filing_event.v1","accession":"0001326190-23-000017","form_type":"8-K","ticker":"ALT","cik":"0001326190","company_name":"Altimmune, Inc.","filed_at":"2023-03-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:44.420060+00:00","generated_at":"2026-06-17T22:02:29.495397+00:00","sec_items":["7.01","8.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"Altimmune reports positive Week 24 interim data from Phase 2 obesity trial; pemvidutide up to 10.7% mean weight loss","bullets":["Mean weight loss of 10.7% (placebo-adjusted 9.7%) at 2.4 mg dose at Week 24; p < 0.001 vs placebo.","In subjects ≤115 kg baseline (75% of cohort), mean weight loss reached 11.9% at 2.4 mg dose.","~50% achieved ≥10% weight loss and ~20% achieved ≥15% at 1.8 mg and 2.4 mg doses.","Phase 1b diabetes trial: 7.7% mean weight loss at 2.4 mg dose; no SAEs or discontinuations.","GI AEs mostly mild/moderate; lower doses used without titration; one SAE at 2.4 mg (nausea/vomiting)."],"urls":{"canonical":"https://secwatch.observer/filing/0001326190-23-000017","json":"https://secwatch.observer/filing/0001326190-23-000017.json","markdown":"https://secwatch.observer/filing/0001326190-23-000017.md","text":"https://secwatch.observer/filing/0001326190-23-000017.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1326190/000132619023000017/0001326190-23-000017-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1326190/000132619023000017/alt-20230321x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T22:02:29.495397+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"}