In Q4'25, total operating expenses for CLS reached approximately $101.8M USD, with SG&A Expenses at $71.2M USD and R&D Expenses at $30.7M USD, reflecting a notable increase in R&D spending compared to the prior quarter. Over the period from Q1'23 to Q4'25, R&D Expenses exhibited strong growth from $12.1M USD to $30.7M USD, with a particularly sharp acceleration in 2025 (peaking at $36.4M USD in Q3'25), indicating intensified investment in innovation. In contrast, SG&A Expenses showed volatility, declining from $77.9M USD in Q1'23 to a low of $56.9M USD in Q3'23 before surging to $112.5M USD in Q1'25 and stabilizing around $71.2M USD by year-end, suggesting fluctuating administrative efficiencies amid overall expense expansion in the stacked bar chart.