{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-348060","form_type":"8-K","ticker":"CYTK","cik":"0001061983","company_name":"CYTOKINETICS INC","filed_at":"2026-08-13T13:25:17+00:00","discovered_at":"2026-08-13T13:26:02.371071+00:00","generated_at":"2026-08-13T13:26:10.265886+00:00","sec_items":["8.01"],"event_type":"litigation","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Cytokinetics sues BMS/MyoKardia over patent on MYQORZO (aficamten)","bullets":["Filed complaint in U.S. District Court for Delaware against Bristol-Myers Squibb and MyoKardia over U.S. Patent No. 12,616,697.","Seeks declaratory judgment that Cytokinetics does not infringe and that the '697 patent claims are invalid.","Requests injunction barring defendants from threatening infringement litigation against MYQORZO (aficamten) users, customers, and distributors.","Also seeks costs, attorneys' fees, and a jury trial; company says it will vigorously assert its rights."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-348060","json":"https://secwatch.observer/filing/0001193125-26-348060.json","markdown":"https://secwatch.observer/filing/0001193125-26-348060.md","text":"https://secwatch.observer/filing/0001193125-26-348060.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1061983/000119312526348060/0001193125-26-348060-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1061983/000119312526348060/cytk-20260813.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-08-13T13:26:10.265886+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"}