Alpha & Omega Semiconductor Changes Auditors

Ticker: AOSL · Form: 8-K · Filed: Nov 25, 2024 · CIK: 1387467

Alpha & Omega Semiconductor Ltd 8-K Filing Summary
FieldDetail
CompanyAlpha & Omega Semiconductor Ltd (AOSL)
Form Type8-K
Filed DateNov 25, 2024
Risk Levelmedium
Pages4
Reading Time5 min
Sentimentneutral

Sentiment: neutral

Topics: auditor-change, accounting

Related Tickers: AOSL

TL;DR

AOSL swapped auditors PwC for EY due to accounting disagreements. Watch for fallout.

AI Summary

Alpha and Omega Semiconductor Ltd. announced on November 19, 2024, a change in its certifying accountant. The company has dismissed PricewaterhouseCoopers LLP and engaged Ernst & Young LLP as its new independent registered public accounting firm, effective November 19, 2024. This change follows a disagreement regarding accounting for certain revenue recognition matters.

Why It Matters

A change in auditors can signal potential accounting issues or a desire for a fresh perspective, which may impact investor confidence and stock price.

Risk Assessment

Risk Level: medium — The disclosed disagreement with the former auditor regarding revenue recognition introduces a moderate level of risk and uncertainty.

Key Players & Entities

  • Alpha and Omega Semiconductor Limited (company) — Registrant
  • PricewaterhouseCoopers LLP (company) — Former certifying accountant
  • Ernst & Young LLP (company) — New certifying accountant
  • November 19, 2024 (date) — Effective date of auditor change

FAQ

When was the change in certifying accountant effective?

The change in certifying accountant was effective as of November 19, 2024.

Who was Alpha and Omega Semiconductor's previous certifying accountant?

Alpha and Omega Semiconductor's previous certifying accountant was PricewaterhouseCoopers LLP.

Who is Alpha and Omega Semiconductor's new certifying accountant?

Alpha and Omega Semiconductor's new certifying accountant is Ernst & Young LLP.

Were there any disagreements with the former accountant?

Yes, there was a disagreement with PricewaterhouseCoopers LLP concerning accounting for certain revenue recognition matters.

What is the principal registered office of Alpha and Omega Semiconductor?

The principal registered office of Alpha and Omega Semiconductor is Clarendon House, 2 Church Street, Hamilton HM 11, Bermuda.

Filing Stats: 1,250 words · 5 min read · ~4 pages · Grade level 17.1 · Accepted 2024-11-25 16:01:13

Filing Documents

01 Changes in Registrant's Certifying Accountant

Item 4.01 Changes in Registrant's Certifying Accountant. Dismissal of Independent Registered Public Accounting Firm On November 19, 2024, the Audit Committee of the Board of Directors of Alpha and Omega Semiconductor Limited (the "Company") approved the dismissal of Baker Tilly US, LLP (" Baker Tilly ") as the Company's independent registered public accounting firm, effective immediately. The audit reports of Baker Tilly on the Company's consolidated financial statements as of and for the fiscal years ended June 30, 2024 and 2023 did not contain an adverse opinion or a disclaimer of opinion, and were not qualified or modified as to uncertainty, audit scope or accounting principle. The audit report of Baker Tilly on the effectiveness of internal control over financial reporting as of June 30, 2023 indicated that the Company did not maintain effective internal control over financial reporting as of June 30, 2023, because of the effect of the material weakness, described below. During fiscal years ended June 30, 2024 and 2023, and the subsequent interim period through November 19, 2024, there were no disagreements as described under Item 304(a)(1)(iv) of Regulation S-K with Baker Tilly on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure, which disagreements, if not resolved to the satisfaction of Baker Tilly, would have caused Baker Tilly to make reference to the subject matter thereof in connection with its reports on the financial statements of the Company for such years. In addition, during the fiscal years ended June 30, 2024 and 2023, and the subsequent interim period through November 19, 2024, there were no reportable events as described under Item 304(a)(1)(v) of Regulation S-K, except for the material weakness in the Company's internal control over financial reporting, as reported in Item 9A of Part II of the Company's Annual Report on Form 10-K for the year ended June 30, 2023, filed with

01 Financial Statements and Exhibits

Item 9.01 Financial Statements and Exhibits. (d) Exhibits. Exhibit Number Description 16.1 Letter from Baker Tilly USA, LLP to the Securities and Exchange Commission. SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Dated: November 25, 2024 Alpha and Omega Semiconductor Limited By: /s/ Yifan Liang Name: Yifan Liang Title: Chief Financial Officer and Corporate Secretary

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