Business Context and Reporting Period
This Form 6-K filing by TNL Mediagene, a foreign private issuer, covers the month of December 2025. The report discloses a change in the registrant's certifying accountant and details the transition from PricewaterhouseCoopers, Taiwan ("PwC Taiwan") to Marcum Asia CPAs LLP ("Marcum Asia").
Key Financial Metrics
The filing text does not provide specific values for revenue, profit, cash flow, margins, debt, or liquidity. The document focuses exclusively on corporate governance and audit firm transitions rather than financial performance data.
Material Changes Versus Prior Period
The primary material change reported is the replacement of the independent registered public accounting firm. PwC Taiwan declined re-election on October 9, 2025, and Marcum Asia was appointed on November 20, 2025. No disagreements regarding accounting principles or practices were reported between the Company and PwC Taiwan during the fiscal years ended December 31, 2024 and 2023, or the subsequent interim period.
Outlook, Risks, and Contingencies
While no forward-looking financial guidance is provided, the filing identifies significant risks related to internal controls over financial reporting. PwC Taiwan reported material weaknesses in the following areas:
- Lack of sufficient accounting personnel with appropriate understanding of IFRS and SEC financial reporting requirements.
- Lack of formalized financial reporting controls and procedures for complex or unusual transactions.
- Lack of effective maintenance and controls over information technology environments, including general controls, segregation of duties, and system access logs.
The appointment of Marcum Asia was approved by the audit committee following a careful evaluation process. No consultations regarding accounting principles or audit opinions occurred with Marcum Asia prior to their appointment.
Investor Verification Checklist
- Verify the status of remediation efforts for the disclosed material weaknesses in internal controls over financial reporting.
- Confirm the timeline for Marcum Asia's initial audit engagement and the issuance of the first audit report under the new firm.
- Review the letter from PwC Taiwan (Exhibit 99.1) to ensure no undisclosed disagreements exist.
- Monitor future filings for any impact of the accounting firm change on the Company's ability to meet SEC reporting deadlines.