ADTRAN Holdings, Inc. reports fourth quarter and full year 2025 financial results

Core Viewpoint - ADTRAN Holdings, Inc. reported strong financial results for Q4 2025, highlighting significant revenue growth and improved margins [1] Financial Performance - Revenue for Q4 2025 reached $291.6 million, representing a year-over-year increase of 20.1% [1] - GAAP gross margin was reported at 39.0%, while Non-GAAP gross margin was 42.5%, reflecting increases of 213 and 122 basis points year-over-year, respectively [1] - The GAAP operating margin stood at 1.5%, with a Non-GAAP operating margin of 6.4% [1]