{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-028369","form_type":"8-K","ticker":"ZYME","cik":"0001937653","company_name":"Zymeworks Inc.","filed_at":"2024-02-08T23:59:59+00:00","discovered_at":"2026-05-14T18:03:26.341900+00:00","generated_at":"2026-06-06T05:57:03.063619+00:00","sec_items":["5.02","8.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Zymeworks appoints Dr. Cesano to board; Dr. Hillan resigns after 7 years","bullets":["Dr. Alessandra Cesano appointed to board effective Feb 8, 2024, as Class I director with term expiring at 2025 AGM.","Dr. Kenneth Hillan resigned Feb 6, effective Feb 8, not due to disagreement; he served 7 years on the board.","Cesano receives initial option to purchase 74,000 shares per standard non-employee director compensation plan.","Cesano appointed to nominating & governance and R&D committees; Derek Miller becomes chair of nominating committee."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-028369","json":"https://secwatch.observer/filing/0001193125-24-028369.json","markdown":"https://secwatch.observer/filing/0001193125-24-028369.md","text":"https://secwatch.observer/filing/0001193125-24-028369.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1937653/000119312524028369/0001193125-24-028369-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1937653/000119312524028369/d642755d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-06T05:57:03.063619+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":"aac22dad3b","claim":"Alessandra Cesano was appointed as Director at Zymeworks Inc..","evidence_excerpt":"appointed Dr. Alessandra Cesano as a director of the Company, effective as of February 8, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1937653/000119312524028369/0001193125-24-028369-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"bbf38e8909","claim":"Kenneth Hillan resigned as Director at Zymeworks Inc..","evidence_excerpt":"Dr. Kenneth Hillan submitted his resignation from the Board, including as chair and member of the nominating and corporate governance committee and as member of the research and development committee of the Board, effective February 8, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1937653/000119312524028369/0001193125-24-028369-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"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"}