As of Q4'25, Texas Instruments ( TXN ) reported R&D Expenses of USD 521M and SG&A Expenses of USD 446M, marking the highest R&D spending and a slight decrease in SG&A compared to the previous quarter. This latest data point highlights a continued commitment to research and development, with operating expenses remaining substantial in both categories. Over the period from Q1'23 to Q4'25, both R&D and SG&A expenses have shown a generally upward trend, with R&D Expenses rising from USD 455M to 521M and SG&A fluctuating but ultimately increasing from USD 474M to 446M. Notably, R&D spending has grown more consistently, especially from 2024 onwards, while SG&A expenses experienced some volatility, particularly in 2024, before stabilizing. This pattern suggests a strategic emphasis on innovation and controlled administrative costs over the observed quarters.