Business Context and Reporting Period
This Form 8-K Current Report was filed by Magnachip Semiconductor Corporation on March 11, 2025. The filing addresses a change in the company's independent registered public accounting firm. The company is incorporated in Delaware and its common stock trades on the New York Stock Exchange under the symbol "MX."
Key Financial Metrics
The filing text does not provide specific financial metrics such as revenue, profit, cash flow, margins, debt, or liquidity. This report focuses exclusively on corporate governance regarding the audit firm.
Material Changes
The primary material change reported is the dismissal of Samil PricewaterhouseCoopers ("Samil PWC") as the independent registered public accounting firm, effective upon the filing of the Annual Report on Form 10-K for the fiscal year ended December 31, 2024. Concurrently, the company engaged Ernst & Young Han Young ("E&Y") to serve as the new independent registered public accounting firm for the fiscal year ending December 31, 2025.
Management Commentary and Risks
- Reason for Change: The decision resulted from a competitive request-for-proposal process initiated in October 2024 and supervised by the Audit Committee. Management solicited proposals from three firms, including Samil PWC.
- No Disagreements: The company explicitly states there were no disagreements with Samil PWC regarding accounting principles, financial statement disclosures, or auditing scope/procedures during the fiscal years ended December 31, 2023 and 2022, or the subsequent period through March 11, 2025.
- No Reportable Events: There were no "reportable events" as defined in Regulation S-K Item 304(a)(1)(v) during the relevant periods.
- Transition Details: Samil PWC's reports on financial statements for 2022 and 2023 contained no adverse opinions, disclaimers, or qualifications. The appointment of E&Y is contingent upon the execution of a satisfactory engagement letter following standard client acceptance procedures.
Investor Verification Checklist
- Verify the effective date of the new auditor (E&Y) relative to the completion of the 2024 fiscal year audit by Samil PWC.
- Review the letter from Samil PWC (Exhibit 16.1) to confirm their agreement with the disclosures regarding the dismissal.
- Monitor the upcoming Form 10-K for the fiscal year ended December 31, 2024, to ensure the transition of audit responsibilities is properly reflected.
- Confirm that no undisclosed consultations occurred with E&Y regarding accounting matters prior to their engagement.