As of Q4'25, ExxonMobil's latest reported operating expenses show R&D Expenses at $0 and SG&A Expenses at $2.62B. This marks a significant drop in R&D spending compared to previous quarters, while SG&A remains relatively stable at a high level. From Q1'23 to Q4'25, R&D Expenses have exhibited considerable volatility, peaking at $339M in Q3'24 before dropping sharply to $0 by Q4'25. In contrast, SG&A Expenses have maintained a generally upward trend, rising from $2.39B in Q1'23 to a high of $3.03B in Q3'25, before settling at $2.62B in Q4'25. The data highlights a shift in expense allocation, with R&D experiencing abrupt fluctuations and SG&A representing the dominant and more consistent component of operating expenses throughout the period.