repurchase

transitive verb | \ ˌrē-ˈpər-chəs \ | re·pur·chase
  1. : to buy back repurchase shares of stock

repurchase

noun
  1. : the act or an instance of purchasing something again or back; specifically : a corporation's buying back of some of its stock at market price (as to increase the amount of Treasury stock or as a preliminary step to going private) : a corporation's buying back of some of its stock at market price (as to increase the amount of Treasury stock or as a preliminary step to going private)