In Q4'25, ONTO's Operating Cash Flow reached $95M USD, marking a robust increase from $83M in Q3'25 and reflecting strong operational performance. Free Cash Flow for the same period stood at $90M USD, up from $82M in the prior quarter, indicating efficient capital management and positive cash generation after investments. Over the period from Q1'23 to Q4'25, Operating Cash Flow exhibited volatility with an overall upward trend, starting at $50M and peaking at $95M, driven by significant gains in Q4'23 ($62M), Q1'25 ($92M), and Q3'25 ($83M), though dips occurred in Q3'23 ($29M) and Q2'25 ($58M). Free Cash Flow followed a similar pattern, rising from $42M in Q1'23 to $90M in Q4'25, with notable recoveries in Q4'23 ($62M) and Q1'25 ($84M) offsetting lower points like Q3'23 ($21M) and Q2'25 ($44M), underscoring improving liquidity despite periodic fluctuations in capex.