Business Context and Reporting Period
Company: COHU, INC. (COHU)
Filing Type: Form 10-K (Annual Report)
Reporting Period: Fiscal year ended December 27, 2025
Business Overview: Cohu is a global supplier of semiconductor test automation, interface solutions, inspection, metrology, and software analytics. The company operates in a single reportable segment: Semiconductor Test & Inspection. Its portfolio supports high-performance computing, AI, automotive, and mobile markets.
Key Financial Metrics
| Metric | Fiscal 2025 | Fiscal 2024 |
|---|---|---|
| Net Sales | $453.0 million | $401.8 million |
| Gross Margin | 42.7% | 44.9% |
| Operating Loss | ($69.8) million | ($71.7) million |
| Net Loss | ($74.3) million | ($69.8) million |
| Diluted EPS | ($1.59) | ($1.49) |
| Operating Cash Flow | $31.7 million | $2.8 million |
| Backlog | $165.1 million | $138.0 million |
| Total Debt (Net of Discounts) | $296.1 million | $8.8 million |
| Cash & Short-term Investments | $484.0 million | $262.1 million |
Material Changes vs. Prior Period
- Revenue Growth: Net sales increased 12.7% year-over-year, driven by stronger demand for AI-based computing applications and mobile markets, offsetting weakness in automotive and industrial segments.
- Margin Compression: Gross margin declined to 42.7% from 44.9%, primarily due to product mix shifts and a one-time charge of $3.3 million related to ending manufacturing of certain products. Total inventory charges were $7.5 million.
- Debt Structure: Total indebtedness increased significantly to $296.1 million following the issuance of $287.5 million in 1.5% Convertible Senior Notes due 2031 in September 2025. The company previously repaid its Term Loan Credit Facility in February 2024.
- Restructuring: The company incurred $10.1 million in restructuring charges in 2025 (compared to immaterial amounts in 2024) as part of a program to optimize cost structure and consolidate operations.
- Acquisitions: Completed the acquisition of Tignis, Inc. in January 2025 for approximately $36.6 million to expand AI-driven analytics capabilities.
Guidance, Outlook, and Risks
Management Commentary: Management expects the semiconductor industry to remain cyclical. While near-term macroeconomic conditions weigh on certain segments, long-term drivers such as AI, high-bandwidth memory (HBM), and advanced packaging remain intact. The company is focused on recurring revenue stability and operational discipline.
Risks and Contingencies:
- Goodwill Impairment: The Interface Solutions (IS) reporting unit had limited headroom during the annual goodwill impairment test. Modest adverse changes in valuation assumptions could trigger a future impairment charge.
- Customer Concentration: The ten largest customers represented 60% of total revenue in 2025. No single customer exceeded 10% of sales in 2025, though STMicroelectronics did so in 2023.
- Geopolitical & Supply Chain: Significant exposure to Asia (90% of international sales) creates risks related to trade restrictions, particularly regarding China, and supply chain disruptions.
- Inventory Valuation: The company recorded $7.5 million in excess and obsolete inventory charges. Future demand shortfalls could necessitate additional write-offs.
Investor Verification Checklist
- Convertible Notes Terms: Verify the conversion price ($27.18) and potential dilution impact of the $287.5 million Convertible Senior Notes issued in late 2025.
- Goodwill Headroom: Monitor the Interface Solutions (IS) segment performance closely, as it had the narrowest margin between fair value and carrying value.
- Inventory Reserves: Assess the adequacy of the $28.6 million inventory reserve given the cyclical downturn in automotive and industrial markets.
- Restructuring Execution: Track the realization of cost savings from the $10.1 million restructuring program initiated in early 2025.
- Recurring Revenue Mix: Evaluate the stability of the 60% recurring revenue mix (services, spares, software) against capital equipment volatility.