{"schema_version":"secwatch.filing_event.v1","accession":"0001387467-23-000018","form_type":"8-K","ticker":"AOSL","cik":"0001387467","company_name":"ALPHA & OMEGA SEMICONDUCTOR Ltd","filed_at":"2023-02-24T23:59:59+00:00","discovered_at":"2026-05-14T18:03:44.716783+00:00","generated_at":"2026-06-19T00:38:17.516207+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Alpha and Omega Semiconductor appoints Dr. Mike F. Chang as Executive Chairman and Stephen Chang as CEO","bullets":["Employment agreements effective March 1, 2023: Dr. Mike F. Chang as Executive Chairman, Stephen Chang as CEO.","Each receives $490,000 annual base salary and target bonus of 100% of base salary.","Non-CIC termination: 12 months continued base salary and health coverage; CIC termination: 24 months salary, 200% target bonus, accelerated equity vesting.","Agreements include restrictive covenants and release of claims for severance eligibility."],"urls":{"canonical":"https://secwatch.observer/filing/0001387467-23-000018","json":"https://secwatch.observer/filing/0001387467-23-000018.json","markdown":"https://secwatch.observer/filing/0001387467-23-000018.md","text":"https://secwatch.observer/filing/0001387467-23-000018.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1387467/000138746723000018/0001387467-23-000018-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1387467/000138746723000018/aosl-20230223.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-19T00:38:17.516207+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":"ea75c3d11b","claim":"Stephen Chang was appointed as Chief Executive Officer at ALPHA & OMEGA SEMICONDUCTOR Ltd.","evidence_excerpt":"an employment agreement with Mr. Stephen Chang (the “Stephen Chang Employment Agreement”, and together with the Mike Change Employment Agreement, the “Employment Agreements”) governing the terms of his employment as the Chief Executive Officer of the Company","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1387467/000138746723000018/0001387467-23-000018-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Executive Officer"}],"fact_type":"executive_change"},{"claim_id":"f715c8fa2f","claim":"Dr. Mike F. Chang was appointed as Executive Chairman at ALPHA & OMEGA SEMICONDUCTOR Ltd.","evidence_excerpt":"the Company entered into an employment agreement with Dr. Mike F. Chang (the “Mike Chang Employment Agreement”) governing the terms of his employment as the Executive Chairman of the Company","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1387467/000138746723000018/0001387467-23-000018-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Executive Chairman"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}