Research Objective: The purpose of this study is to investigate the effects of insider trading, board gender diversity and CEO characteristics on the stock price crash risk in companies listed on the Tehran Stock Exchange.
Research Methodology: The time scope of the present study includes a 10-year period from 2013 to 2014 and the research location is the Tehran Stock Exchange and companies listed on the exchange. In order to examine the validity of the research hypotheses, multivariate regression based on fixed-effects mixed data and EViews 11 software was used.
Research Findings: The results of the first research hypothesis showed that the return on insider trading has a positive and significant relationship with the stock price crash risk. The results of the second hypothesis showed that gender diversity on the board of directors has a negative and significant effect on the stock price crash risk The results of the third hypothesis also showed that the CEO salary gap has a positive and significant effect on the stock price crash risk. CEO duality has a positive and significant effect on the risk of stock price collapse. CEO tenure has a positive and significant effect on the stock price crash risk. CEO age has a negative and significant effect on the stock price crash risk.
Keywords: Insdier trading, board gender diversity; CEO characteristics; stock price crash risk.