{"schema_version":"secwatch.filing_event.v1","accession":"0001157523-21-001037","form_type":"8-K","ticker":"AOSL","cik":"0001387467","company_name":"ALPHA & OMEGA SEMICONDUCTOR Ltd","filed_at":"2021-08-11T23:59:59+00:00","discovered_at":"2026-05-14T18:04:17.913583+00:00","generated_at":"2026-06-29T14:51:27.512342+00:00","sec_items":["2.02","9.01"],"event_type":"earnings","sentiment":"positive","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"AOSL reports Q4 FY2021 revenue $177.3M, up 45% YoY; GAAP EPS $0.71","bullets":["Fiscal Q4 revenue $177.3M, up 45% from $122.4M YoY; GAAP diluted EPS $0.71 vs ($0.00).","GAAP gross margin improved to 34.2% from 23.6% YoY; non-GAAP gross margin 34.9%.","GAAP operating income $22.4M vs loss of $1.3M last year; non-GAAP net income $26.3M.","Non-GAAP diluted EPS $0.95 vs $0.29 in Q4 FY2020, reflecting strong operational leverage."],"urls":{"canonical":"https://secwatch.observer/filing/0001157523-21-001037","json":"https://secwatch.observer/filing/0001157523-21-001037.json","markdown":"https://secwatch.observer/filing/0001157523-21-001037.md","text":"https://secwatch.observer/filing/0001157523-21-001037.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1387467/000115752321001037/0001157523-21-001037-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1387467/000115752321001037/a52474977.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T14:51:27.512342+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}