{"schema_version":"secwatch.filing_event.v1","accession":"0001564590-22-023734","form_type":"8-K","ticker":"ORKA","cik":"0000907654","company_name":"Oruka Therapeutics, Inc.","filed_at":"2022-06-21T23:59:59+00:00","discovered_at":"2026-05-14T18:04:04.268073+00:00","generated_at":"2026-06-25T00:41:29.629714+00:00","sec_items":["1.01","5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"ARCA biopharma appoints Jacob Ma-Weaver, from largest shareholder, to board; explores strategic alternatives","bullets":["Jacob Ma-Weaver appointed as Class III director effective June 15, 2022, term through 2024 annual meeting.","Ma-Weaver is managing member of Cable Car Capital, ARCA's largest shareholder.","Cooperation agreement includes standstill until 180 days after Ma-Weaver leaves board or 90 days before 2023 annual meeting.","Company to explore and evaluate strategic options to maximize stockholder value.","Ma-Weaver granted option to purchase 12,000 shares at $2.27 per share, vesting over 36 months."],"urls":{"canonical":"https://secwatch.observer/filing/0001564590-22-023734","json":"https://secwatch.observer/filing/0001564590-22-023734.json","markdown":"https://secwatch.observer/filing/0001564590-22-023734.md","text":"https://secwatch.observer/filing/0001564590-22-023734.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/907654/000156459022023734/0001564590-22-023734-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/907654/000156459022023734/abio-8k_20220615.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-25T00:41:29.629714+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":[{"claim_id":"b6ff228acd","claim":"Jacob Ma-Weaver was elected as director at Oruka Therapeutics, Inc..","evidence_excerpt":"On June 15, 2022, the Board of the Company elected Jacob Ma‐Weaver as a director of the Company.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/907654/000156459022023734/0001564590-22-023734-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"elected"},{"label":"Role","value":"director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}