{"schema_version":"secwatch.filing_event.v1","accession":"0001831283-22-000021","form_type":"8-K","ticker":"LIANY","cik":"0001831283","company_name":"LianBio","filed_at":"2022-04-08T23:59:59+00:00","discovered_at":"2026-05-14T18:04:02.681541+00:00","generated_at":"2026-06-26T08:33:15.586103+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"LianBio appoints Wei Wei Chen as independent director and Audit Committee member","bullets":["Wei Wei Chen appointed to LianBio Board as Class II director effective April 6, 2022; term ends at 2023 annual shareholder meeting.","Chen also appointed to the Audit Committee of the Board.","Chen brings 17+ years CFO experience, most recently at Starbucks China; previously CFO at Yum! Brands China and Sanofi Asia.","No arrangement or understanding with any other person led to selection; no related-party transactions requiring disclosure."],"urls":{"canonical":"https://secwatch.observer/filing/0001831283-22-000021","json":"https://secwatch.observer/filing/0001831283-22-000021.json","markdown":"https://secwatch.observer/filing/0001831283-22-000021.md","text":"https://secwatch.observer/filing/0001831283-22-000021.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1831283/000183128322000021/0001831283-22-000021-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1831283/000183128322000021/lian-20220406.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-26T08:33:15.586103+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":"540047bdd0","claim":"Wei Wei Chen was appointed as independent director at LianBio.","evidence_excerpt":"On April 6, 2022, the Board of Directors (the “Board”) of LianBio (the “Company”) appointed Wei Wei Chen as an independent director, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1831283/000183128322000021/0001831283-22-000021-index.htm","confidence":1.0,"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"}