{"schema_version":"secwatch.filing_event.v1","accession":"0001831283-22-000079","form_type":"8-K","ticker":"LIANY","cik":"0001831283","company_name":"LianBio","filed_at":"2022-12-13T23:59:59+00:00","discovered_at":"2026-05-14T18:03:52.498389+00:00","generated_at":"2026-06-21T05:38:01.992746+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"LianBio President and Chief Strategy Officer Debra Yu resigns effective Jan 1, 2023","bullets":["Debra Yu, President and CSO, resigns effective Jan 1, 2023 to pursue other business opportunities.","Yu entered a consulting agreement with LianBio from Jan 1 to June 30, 2023 to facilitate transition.","Separation agreement includes 12 months base salary, 14-month lump sum, and extended option exercisability."],"urls":{"canonical":"https://secwatch.observer/filing/0001831283-22-000079","json":"https://secwatch.observer/filing/0001831283-22-000079.json","markdown":"https://secwatch.observer/filing/0001831283-22-000079.md","text":"https://secwatch.observer/filing/0001831283-22-000079.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1831283/000183128322000079/0001831283-22-000079-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1831283/000183128322000079/lian-20221209.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-21T05:38:01.992746+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":"a0ab3dfd0d","claim":"Debra Yu resigned as President and Chief Strategy Officer at LianBio.","evidence_excerpt":"Debra Yu, the Company’s President and Chief Strategy Officer, has decided to resign from the Company, effective January 1, 2023","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1831283/000183128322000079/0001831283-22-000079-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"President and Chief Strategy Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}