{"schema_version":"secwatch.filing_event.v1","accession":"0001724521-25-000005","form_type":"8-K","ticker":"RCUS","cik":"0001724521","company_name":"Arcus Biosciences, Inc.","filed_at":"2025-01-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:04.623042+00:00","generated_at":"2026-05-27T22:15:34.415302+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Arcus appoints Richard Markus as CMO; Dimitry Nuyten departs Jan 31, 2025","bullets":["Richard Markus, M.D., Ph.D., named Chief Medical Officer, effective January 31, 2025.","Dimitry Nuyten, M.D., Ph.D., will depart from Arcus on the same date.","Dr. Nuyten eligible for lump-sum severance of 12 months base salary, 12 months COBRA, and 2024 bonus.","Separation agreement details described; final agreement to be filed after execution."],"urls":{"canonical":"https://secwatch.observer/filing/0001724521-25-000005","json":"https://secwatch.observer/filing/0001724521-25-000005.json","markdown":"https://secwatch.observer/filing/0001724521-25-000005.md","text":"https://secwatch.observer/filing/0001724521-25-000005.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1724521/000172452125000005/0001724521-25-000005-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1724521/000172452125000005/rcus-20250116.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-27T22:15:34.415302+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":"313a164861","claim":"Richard Markus was appointed as Chief Medical Officer at Arcus Biosciences, Inc..","evidence_excerpt":"Richard Markus, M.D., Ph.D. has been appointed as the Company’s Chief Medical Officer, effective January 31, 2025","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1724521/000172452125000005/0001724521-25-000005-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Medical Officer"}]},{"claim_id":"719f85dcd9","claim":"Dimitry Nuyten departed as Chief Medical Officer at Arcus Biosciences, Inc..","evidence_excerpt":"Dimitry Nuyten, M.D., Ph.D. will depart from the Company on January 31, 2025","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1724521/000172452125000005/0001724521-25-000005-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"departed"},{"label":"Role","value":"Chief Medical Officer"}]}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}