{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-028050","form_type":"8-K","ticker":"ZYME","cik":"0001937653","company_name":"Zymeworks Inc.","filed_at":"2025-02-18T23:59:59+00:00","discovered_at":"2026-05-14T18:03:05.603871+00:00","generated_at":"2026-05-26T17:38:21.908693+00:00","sec_items":["5.02","8.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Zymeworks appoints Oleg Nodelman (EcoR1 Capital founder) to board","bullets":["Nodelman appointed Class II director effective Feb 17, 2025; term expires at 2026 AGM.","Nodelman waived director compensation; named to Nominating Committee.","Scott Platshon (EcoR1 partner) appointed to Compensation Committee, effective same date.","EcoR1 is Zymeworks' largest stockholder; Nodelman joins under board renewal, not prior nomination right.","Board added 7 new directors over two years as part of renewal process."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-028050","json":"https://secwatch.observer/filing/0001193125-25-028050.json","markdown":"https://secwatch.observer/filing/0001193125-25-028050.md","text":"https://secwatch.observer/filing/0001193125-25-028050.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1937653/000119312525028050/0001193125-25-028050-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1937653/000119312525028050/d897036d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-26T17:38:21.908693+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":"d4ec159557","claim":"Oleg Nodelman was appointed as Director at Zymeworks Inc..","evidence_excerpt":"appointed Mr. Oleg Nodelman, Founder and Portfolio Manager of EcoR1 (as defined below), as a director of the Company, effective as of February 17, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1937653/000119312525028050/0001193125-25-028050-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"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"}