Business Context and Reporting Period
This Form 8-K filing by Alpha and Omega Semiconductor Limited (AOSL) reports a change in its independent registered public accounting firm. The report date is November 19, 2024, with the document signed on November 25, 2024. The Company is incorporated in Bermuda and trades on the NASDAQ Global Select Market.
Key Financial Metrics
This filing does not contain revenue, profit, cash flow, margin, debt, or liquidity metrics. It focuses exclusively on the transition of the external auditor.
Material Changes
- Dismissal of Auditor: The Audit Committee approved the immediate dismissal of Baker Tilly US, LLP as the independent registered public accounting firm.
- Appointment of New Auditor: Deloitte & Touche LLP was appointed as the new independent registered public accounting firm for the fiscal year ending June 30, 2025, subject to standard client acceptance procedures.
- Historical Audit Opinions: Baker Tilly's reports for fiscal years ended June 30, 2024, and 2023 did not contain adverse opinions, disclaimers, or qualifications regarding accounting principles. However, the 2023 report noted a material weakness in internal controls over financial reporting related to IT general controls and inventory costing.
- Remediation: The Company states it remediated the previously reported material weakness as of June 30, 2024.
Guidance, Outlook, and Risks
The filing contains no financial guidance, outlook, or management commentary regarding future business performance. The primary risk disclosed relates to the historical material weakness in internal controls, which has been remediated. There were no disagreements with Baker Tilly regarding accounting principles or auditing scope during the relevant periods.
Investor Verification Checklist
- Verify the effective date of Deloitte's engagement and the completion of their client acceptance procedures.
- Review the attached Exhibit 16.1 (Letter from Baker Tilly) to confirm their agreement with the Company's statements regarding the dismissal.
- Confirm the details of the remediated material weakness in the Company's most recent Form 10-K for the year ended June 30, 2024.
- Note that Deloitte previously provided advisory services on internal controls in 2022 and 2024, which were terminated on November 18, 2024, prior to the audit appointment.