Winzeler also highlighted that mainland China accounted for 8.6% of net sales in the fourth quarter, down from 50% in the fourth quarter of 2024, reflecting the company’s shift in customer mix. Fourth-quarter non-GAAP R&D expense was $9.3 million (up 33% year over year and 34% sequentially), reflecting increased investment to support product development for Atomic and Apollo families. Non-GAAP SG&A expense was $7.3 million , up 19.7% year over year, largely due to public company costs.CFO Jeff Winzeler repo ...