People who are in a better position than others in terms of information and, for example, are aware of the announcements that are going to be made about profits will be able to influence market supply and demand and, so to speak, lead to price gaps. To turn. The main reason is the lack of information asymmetry in the capital market, which puts people who are aware of the announcement of profits (or any other important news) in a more appropriate decision position than others. Change is a fact that individuals, groups and organizations must constantly pay attention to in order to survive and put it at the forefront of their actions. Therefore, the purpose of this study is to investigate whether management change has a significant effect on stock price information content. ? The statistical population of the study is all companies listed on the Tehran Stock Exchange between 1391 and 1399. After applying these conditions, 136 companies were selected as the research sample. The results of the research hypothesis test showed that there is a significant and inverse relationship between management change and stock price information content.