{"schema_version":"secwatch.filing_event.v1","accession":"0001157523-21-001054","form_type":"8-K","ticker":"AOSL","cik":"0001387467","company_name":"ALPHA & OMEGA SEMICONDUCTOR Ltd","filed_at":"2021-08-13T23:59:59+00:00","discovered_at":"2026-05-14T18:04:17.913784+00:00","generated_at":"2026-06-29T11:11:09.501257+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Alpha and Omega Semiconductor appoints Dr. Wenjun Li as COO effective Aug 12, 2021","bullets":["Dr. Wenjun Li, formerly EVP of Worldwide Manufacturing, promoted to COO effective August 12, 2021.","Li has over 25 years semiconductor experience, previously managed wafer foundries and Jireh Semiconductor.","Compensation Committee granted Dr. Bing Xue, EVP of Worldwide Sales, 4,000 RSUs vesting over 4 years as special bonus."],"urls":{"canonical":"https://secwatch.observer/filing/0001157523-21-001054","json":"https://secwatch.observer/filing/0001157523-21-001054.json","markdown":"https://secwatch.observer/filing/0001157523-21-001054.md","text":"https://secwatch.observer/filing/0001157523-21-001054.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1387467/000115752321001054/0001157523-21-001054-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1387467/000115752321001054/a52476520.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T11:11:09.501257+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":"0129cd36c5","claim":"Dr. Wenjun Li was appointed as Chief Operating Officer at ALPHA & OMEGA SEMICONDUCTOR Ltd.","evidence_excerpt":"On August 12, 2021, Alpha and Omega Semiconductor Limited (the “Company”) announced that the Board of Directors of the Company has appointed and promoted Dr. Wenjun Li, currently Executive Vice President of World-Wide Manufacturing, to be the Chief Operating Officer of the Company, effective August 12, 2021.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1387467/000115752321001054/0001157523-21-001054-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed and promoted"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}