{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-21-297915","form_type":"8-K","ticker":"CHRS","cik":"0001512762","company_name":"Coherus Oncology, Inc.","filed_at":"2021-10-13T23:59:59+00:00","discovered_at":"2026-05-14T18:04:12.813977+00:00","generated_at":"2026-06-28T21:06:43.837161+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"negative","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Coherus BioSciences announces unexpected death of board member Alan C. Mendelson","bullets":["Alan C. Mendelson passed away unexpectedly on October 8, 2021.","He served as a director since January 2021 and as external legal counsel since Coherus' founding in 2010.","Mendelson was a partner at Latham & Watkins and Cooley, and acted as general counsel at Amgen and Cadence.","He served on boards of several public biotech companies including Aviron, CV Therapeutics, and QLT.","CEO Denny Lanfear expressed condolences, noting Mendelson's profound impact on the company and industry."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-21-297915","json":"https://secwatch.observer/filing/0001193125-21-297915.json","markdown":"https://secwatch.observer/filing/0001193125-21-297915.md","text":"https://secwatch.observer/filing/0001193125-21-297915.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1512762/000119312521297915/0001193125-21-297915-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1512762/000119312521297915/d237076d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T21:06:43.837161+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":"6b12e0df49","claim":"Alan C. Mendelson departed as Director at Coherus Oncology, Inc..","evidence_excerpt":"deeply regrets to announce that Alan C. Mendelson, a member of the Company’s Board of Directors, unexpectedly passed away on Friday, October 8, 2021.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1512762/000119312521297915/0001193125-21-297915-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"passed away"},{"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"}