The latest data point for RIVN's Return on Sales (ROS) in Q4'25 shows a value of -0.58%, indicating ongoing negative profitability but a notable improvement from deeper losses in prior periods. Over the period from Q1'23 to Q4'25, ROS has exhibited a volatile yet gradually improving trend, starting at -1.98% and fluctuating between -1.19% and -0.98% through Q3'24 before sharply narrowing to -0.38% in Q4'24 and stabilizing around -0.58% to -0.71% in the most recent quarters. This progression reflects potential operational efficiencies or cost controls, though the metric remains negative, underscoring persistent challenges in achieving positive margins for the electric vehicle maker.