Business Context and Reporting Period
ChipMOS TECHNOLOGIES INC. (Nasdaq: IMOS), a leading provider of outsourced semiconductor assembly and test (OSAT) services, reported unaudited financial results for the month of December 2025 and the fourth quarter ended December 31, 2025. The filing was submitted on January 9, 2026. The Company attributes its performance to an improved semiconductor industry cycle, driven by robust demand for memory products supporting computing and datacenters, alongside a favorable product mix.
Key Financial Metrics
Revenue Performance:
- December 2025: NT$2,203.3 million (US$70.2 million).
- Fourth Quarter 2025: NT$6,521.1 million (US$207.9 million).
Profitability, Cash Flow, Debt, and Liquidity: The filing text does not provide clear values for net profit, operating margins, cash flow, debt levels, or liquidity metrics. Only revenue figures are disclosed in this specific report.
Material Changes Versus Prior Periods
December 2025 vs. Prior Periods:
- Month-over-Month (vs. November 2025): Increased 2.9%.
- Year-over-Year (vs. December 2024): Increased 23.8%.
Fourth Quarter 2025 vs. Prior Periods:
- Quarter-over-Quarter (vs. Q3 2025): Increased 6.1%.
- Year-over-Year (vs. Q4 2024): Increased 20.8%.
All U.S. dollar figures are based on an exchange rate of NT$31.37 to US$1.00 as of December 31, 2025.
Outlook, Risks, and Management Commentary
Management Commentary: Management highlights a fundamentally improved industry cycle position with continued strong revenue growth led by memory product demand.
Risks and Contingencies: The filing includes standard forward-looking statement disclaimers. Identified risks include:
- Macroeconomic conditions such as high inflation, foreign exchange rate fluctuations, and recession risks.
- Changes in trade regulations, policies, and agreements.
- Imposition of tariffs affecting products or operations.
Guidance: No specific numerical guidance for future periods is provided in this text.
Key Facts for Investor Verification
- Verify the sustainability of the 23.8% year-over-year revenue growth in December 2025.
- Confirm the specific contribution of memory products to the overall revenue mix.
- Review the Company's most recent Form 20-F for detailed profitability, cash flow, and debt metrics not included in this 6-K.
- Monitor potential impacts of new tariffs and trade regulations on the Company's operations.