Alphabet A, commonly known as Google, has experienced a fluctuating net profit margin in recent years. As of the latest data in Q4 2023, the net profit margin for Alphabet A was 24.01%. This is a slight increase from the previous year's margin of 21.57%, and a significant increase from the margin of 22.06% in 2021. Overall, Alphabet A has shown strong profitability in recent years, with a consistent increase in net profit margin since 2021.