Financial Data and Key Metrics Changes - The company reported Q4 2025 revenue of $291.6 million, reflecting a year-over-year growth of 20% and a sequential growth of over 4% [5][14] - Non-GAAP gross margin increased to 42.5%, up 44 basis points sequentially and 122 basis points year-over-year [15] - Non-GAAP operating profits rose to $18.8 million, or 6.4% of revenue, exceeding the midpoint of the original outlook and up 406 basis points year-over-year [15] - Non-GAAP diluted EPS returned to a positive $0.23 per share for the full year 2025, compared to a loss of $0.02 a year ago [18] Business Line Data and Key Metrics Changes - Optical networking solutions grew 33% year-over-year, driven by strong sales to cloud providers and enterprise customers [7] - Access and aggregation revenue grew 9% year-over-year and 6% sequentially, supported by continued fiber access investment [7] - Subscriber Solutions revenue grew 17% year-over-year and 3% sequentially, driven by demand for residential fiber CPE [8] Market Data and Key Metrics Changes - U.S. business revenue increased by 31% year-over-year and 14% sequentially, while non-U.S. revenue grew 12% year-over-year but declined 3% sequentially [6] - The company noted sustained fiber investment across core markets, with ongoing broadband programs in the U.S. and increased focus on network security in Europe [9] Company Strategy and Development Direction - The company aims to support the current infrastructure cycle and the evolution towards more intelligent fiber networks, focusing on cash generation and improving operating margins [10][11] - The company is positioned to capitalize on the Huawei replacement opportunity in Europe, which is seen as a near $1 billion annual opportunity [54] Management's Comments on Operating Environment and Future Outlook - Management expressed a positive outlook for 2026, citing favorable customer trends in both the U.S. and Europe [11] - The company is managing variability in component costs through disciplined procurement and price mechanisms [11] - Management highlighted strong customer acceptance of products and competitive positioning [12] Other Important Information - The company purchased $27.2 million of its own shares during Q4 and $46.6 million during the full year 2025, reducing minority interest to less than 30% [11] - The company ended Q4 with $95.7 million in cash and cash equivalents [17] Q&A Session Summary Question: Demand picture in U.S. and Europe - Management noted that demand remains strong, with ongoing programs and new customer additions in both regions [23][24] Question: Operating margin outlook - Management indicated that the wide range in operating margin guidance is typical and not overly impacted by supply constraints [26][27] Question: Contribution from hyperscale and AI-related customers - Management confirmed strong contributions from both traditional enterprise and hyperscale customers, with expectations for continued momentum [35][36] Question: Fiber to the Home updates - Management reported solid performance in Q4 and positive expectations for 2026, with BEAD dollars starting to flow [40][41] Question: Non-core asset sales - Management is optimistic about resolving non-core asset sales in 2026, with ongoing activity in the market [50][51] Question: European telcos' broadband deployment cycle - Management characterized the overall European market as still early in the deployment cycle, with some countries further along than others [72]

Financial Data and Key Metrics Changes - In Q4 2025, the company generated revenue of $291.6 million, reflecting a year-over-year growth of 20% and a sequential growth of over 4% [5][12] - Non-GAAP gross margin increased to 42.5%, up 44 basis points sequentially and 122 basis points year-over-year [14] - Non-GAAP operating profits rose to $18.8 million, or 6.4% of revenue, exceeding the midpoint of the original outlook and up 406 basis points year-over-year [14] - Non-GAAP diluted EPS returned to a positive $0.23 per share for the full year 2025, compared to a loss of $0.02 a year ago [17] Business Line Data and Key Metrics Changes - Optical networking solutions grew 33% year-over-year, driven by strong sales to cloud providers and enterprise customers [6] - Access and aggregation revenue grew 9% year-over-year and 6% sequentially, supported by continued fiber access investment [6] - Subscriber Solutions revenue grew 17% year-over-year and 3% sequentially, driven by demand for residential fiber CPE [7] Market Data and Key Metrics Changes - U.S. business revenue increased by 31% year-over-year and 14% sequentially, while non-U.S. revenue grew 12% year-over-year but declined 3% sequentially [5] - Non-U.S. revenue accounted for 53% of total revenue, while U.S. revenue accounted for 47% [13] Company Strategy and Development Direction - The company aims to support the current infrastructure cycle and the long-term evolution towards more intelligent fiber networks [9] - Priorities for 2026 include improving leverage model, expanding operating margin, and cash generation [10] - The company is focused on simplifying capital structure and maintaining flexibility to support business growth [11] Management's Comments on Operating Environment and Future Outlook - Management noted sustained fiber investment across core markets, with ongoing demand for upgrades across all product categories [8] - The outlook for 2026 is positive, with favorable customer trends in the U.S. and Europe [10] - Management highlighted the importance of AI-driven automation and the ongoing demand for high-capacity networks [8] Other Important Information - The company purchased $27.2 million of its own shares in Q4 and $46.6 million during the full year 2025, reducing minority interest to less than 30% [10] - The company ended Q4 with $95.7 million in cash and cash equivalents [16] Q&A Session Summary Question: Demand picture in U.S. and Europe - Management indicated that demand remains strong, with ongoing programs and new customer additions in both regions [22] Question: Operating margin outlook - Management clarified that the wide operating margin outlook is typical and not overly impacted by supply constraints [25][26] Question: Contribution of hyperscale and AI to optical strength - Both traditional enterprise and hyperscale customers contributed positively to optical revenue, with stronger performance from ICPs [34] Question: Update on Fiber to the Home in the U.S. - Management reported solid performance in Q4 and positive expectations for 2026, with BEAD dollars starting to flow [37][38] Question: European telcos' broadband deployment cycle - Management stated that Europe is still in the early stages of broadband deployment, with some countries further along than others [70]