{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-397219","form_type":"8-K","ticker":"VKTX","cik":"0001607678","company_name":"Viking Therapeutics, Inc.","filed_at":"2026-09-22T11:06:19+00:00","discovered_at":"2026-09-22T11:10:00.273228+00:00","generated_at":"2026-09-22T11:10:34.919874+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.9,"calibrated_materiality_score":0.9,"confidence":"high","headline":"Viking VK2735: 33-week weight loss 22% via weekly dosing; QOW/QM maintenance holds up to 97%/90%","bullets":["VK2735 maintenance study (N≈180, BMI≥30): weekly 17.5 mg led to 21.7% mean weight loss from baseline at 33 weeks; placebo gain 0.3%, p<0.0001; no plateau.","Induction (21 wks weekly): 16-19% weight loss across 15-22.5 mg vs ~0% placebo, p<0.0001; 98% achieved ≥5%, 32% ≥20% loss.","After transitioning to every-other-week dosing for 12 weeks, maintained up to 97% of Week 21 weight loss vs 61% placebo, p<0.0001.","Monthly dosing for 12 weeks maintained up to 90% of Week 21 weight loss vs 61% placebo (p=0.0002); separation from placebo by week 4.","GI AE rates similar to placebo during maintenance; 1% discontinued due to AE in induction; oral maintenance part 2 planned."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-397219","json":"https://secwatch.observer/filing/0001193125-26-397219.json","markdown":"https://secwatch.observer/filing/0001193125-26-397219.md","text":"https://secwatch.observer/filing/0001193125-26-397219.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1607678/000119312526397219/0001193125-26-397219-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1607678/000119312526397219/vktx-20260922.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-22T11:10:34.919874+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"}