{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-042846","form_type":"8-K","ticker":"ZYME","cik":"0001937653","company_name":"Zymeworks Inc.","filed_at":"2024-02-22T23:59:59+00:00","discovered_at":"2026-05-14T18:03:26.342101+00:00","generated_at":"2026-06-05T21:01:28.967472+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Scott Platshon appointed to Zymeworks board; EcoR1 Capital partner joins","bullets":["Appointed as Class III director effective Feb. 22, 2024; term expires at 2024 annual meeting.","Appointment follows EcoR1's $50M investment in Dec 2023 (5.09M pre-funded warrants at $9.83/share).","Platshon waived cash and equity compensation under director compensation policy.","EcoR1's board nomination right terminates upon appointment or Jan. 1, 2026, whichever earliest."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-042846","json":"https://secwatch.observer/filing/0001193125-24-042846.json","markdown":"https://secwatch.observer/filing/0001193125-24-042846.md","text":"https://secwatch.observer/filing/0001193125-24-042846.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1937653/000119312524042846/0001193125-24-042846-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1937653/000119312524042846/d769505d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-05T21:01:28.967472+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":"f4348a0088","claim":"Scott Platshon was appointed as director at Zymeworks Inc..","evidence_excerpt":"appointed Mr. Scott Platshon, Partner of EcoR1 (as defined below), as a director of the Company, effective as of February 22, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1937653/000119312524042846/0001193125-24-042846-index.htm","confidence":1.0,"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"}