{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-22-027328","form_type":"8-K","ticker":"ZLAB","cik":"0001704292","company_name":"Zai Lab Ltd","filed_at":"2022-10-28T23:59:59+00:00","discovered_at":"2026-05-14T18:03:51.766634+00:00","generated_at":"2026-06-22T22:46:17.464047+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Zai Lab officer Alan Sandler resigns effective Oct 28, 2022; severance agreement signed","bullets":["Dr. Alan Sandler resigns effective October 28, 2022 to pursue another professional opportunity.","No disagreements between Sandler and Company regarding operations, policies, or practices.","Severance includes annual base salary, pro-rated bonus, and a low six-figure additional payment.","Sandler contributed to oncology programs, long-term strategy, and business development."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-22-027328","json":"https://secwatch.observer/filing/0001628280-22-027328.json","markdown":"https://secwatch.observer/filing/0001628280-22-027328.md","text":"https://secwatch.observer/filing/0001628280-22-027328.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1704292/000162828022027328/0001628280-22-027328-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1704292/000162828022027328/zlab-20221024.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-22T22:46:17.464047+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":"ee79acc02e","claim":"Dr. Alan Sandler departed as other_named_officer at Zai Lab Ltd.","evidence_excerpt":"Dr. Alan Sandler who provided notice that he is resigning from the Company, effective October 28, 2022, to pursue another professional opportunity.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1704292/000162828022027328/0001628280-22-027328-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigning"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}