{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-23-000722","form_type":"8-K","ticker":"ZLAB","cik":"0001704292","company_name":"Zai Lab Ltd","filed_at":"2023-01-09T23:59:59+00:00","discovered_at":"2026-05-14T18:03:46.205861+00:00","generated_at":"2026-06-20T18:01:12.697117+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Zai Lab appoints former Biogen CEO Michel Vounatsos as independent director","bullets":["Appointed Michel Vounatsos independent director effective Jan 7, 2023; chairs Commercial Committee and serves on R&D.","Vounatsos was Biogen CEO (2017-2022) and previously President of MSD China; brings global and China commercial expertise.","Compensation: $50k annual retainer, $15k for Commercial chair, $7.5k for R&D; restricted shares $750k vesting over 3 years.","Press release notes Zai Lab has four marketed medicines and plans three more launches in near term."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-23-000722","json":"https://secwatch.observer/filing/0001628280-23-000722.json","markdown":"https://secwatch.observer/filing/0001628280-23-000722.md","text":"https://secwatch.observer/filing/0001628280-23-000722.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1704292/000162828023000722/0001628280-23-000722-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1704292/000162828023000722/zlab-20230107.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-20T18:01:12.697117+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":"6117517470","claim":"Michel Vounatsos was appointed as independent director at Zai Lab Ltd.","evidence_excerpt":"On January 7, 2023, the Board of Directors (the “Board”) of Zai Lab Limited (the “Company”) appointed Michel Vounatsos as an independent director, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1704292/000162828023000722/0001628280-23-000722-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"independent director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}