secwatch.observer — SEC 8-K summary ====================================== Issuer: ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) CIK: 0001387467 Form: 8-K Filed at: 2022-10-11T23:59:59+00:00 Accession: 0001387467-22-000071 Event type: other_material Sentiment: neutral Materiality: 0.35 Item codes: 4.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Alpha and Omega Semiconductor dismisses BDO, appoints Baker Tilly as new auditor -------------------------------------------------------------------------------- - Effective Oct 10, 2022, Audit Committee approved Baker Tilly as independent auditor for FY ending June 30, 2023. - BDO dismissed on Oct 5, 2022; no adverse opinions or disagreements in prior two fiscal years. - No consultations with Baker Tilly prior to engagement; no reportable events. - BDO letter attached as Exhibit 16.1 agreeing with company statements. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1387467/000138746722000071/0001387467-22-000071-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1387467/000138746722000071/aosl-20221005.htm HTML page: https://secwatch.observer/filing/0001387467-22-000071 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer