In Q1'26, RGTI's total operating expenses reached $27.3M USD, comprising $19.96M USD in R&D expenses and $7.37M USD in SG&A expenses, marking a notable increase from the prior quarter. From Q2'23 to Q1'26, R&D expenses exhibited a fluctuating yet overall upward trend, declining initially from $13.2M USD to a low of $11.47M USD in Q1'24 before surging to $19.96M USD, reflecting intensified investment in development activities. SG&A expenses remained relatively stable around $6M USD, with minor fluctuations and a recent uptick to $7.37M USD, contributing to the stacked total operating expenses growing from $18.96M USD to $27.33M USD over the period, indicating expanding operational scale.