Employees withholding their opinions is pervasive in organizations. However, the individual outcomes of employee silence have not been frequently investigated. Previous studies have found that there are detrimental effects of employee silence and building on this research stream, the study viewed perceived stress as an underlying mechanism linking employee silence to task performance and deviant behavior. Moreover, this study explored the moderating effect of interpersonal trust in the relationship between employee silence and perceived stress. Using a sample of 231 white-collar employees from China, this study found perceived stress to mediate the relationships between employee silence and task performance and deviant behavior. Also, coworker trust was found to moderate the relationship between employee silence and perceived stress. As coworker trust moderated the relationship, supplementary analyses further found mediated moderation for the model.