{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-26-047743","form_type":"8-K","ticker":"ORKA","cik":"0000907654","company_name":"Oruka Therapeutics, Inc.","filed_at":"2026-04-27T23:59:59+00:00","discovered_at":"2026-05-14T18:02:33.915570+00:00","generated_at":"2026-05-15T04:08:56.646593+00:00","sec_items":["7.01","8.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"Oruka Phase 2a EVERLAST-A meets primary endpoint: 63.5% PASI 100 at Week 16 in psoriasis","bullets":["ORKA-001 achieved 63.5% (40/63) PASI 100 at Week 16 vs 4.8% placebo (p<0.0001), exceeding primary endpoint.","Secondary endpoints: PASI 90 82.5%, IGA 0 63.5%, IGA 0/1 84.1% vs 4.8% placebo.","Safety: well-tolerated; no serious TEAEs, no discontinuations; URI 19% vs 14% placebo.","Updated Phase 1 PK/PD data support once-yearly dosing; concentrations above effective trough for 52 weeks.","Longer-term EVERLAST-A data (Week 28, 52-wk) expected 2H 2026; EVERLAST-B Phase 2b data expected 2027."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-26-047743","json":"https://secwatch.observer/filing/0001213900-26-047743.json","markdown":"https://secwatch.observer/filing/0001213900-26-047743.md","text":"https://secwatch.observer/filing/0001213900-26-047743.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/907654/000121390026047743/0001213900-26-047743-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/907654/000121390026047743/ea0287782-8k_oruka.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T04:08:56.646593+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"}