shopify ceo tobi lutke has been buying coinbase stock this month lutke who also founded the ecommerce platform ticker shop paid a total of 746436 on aug 11 and tuesday for 7953 coinbase shares an average price of 9386 each according to forms he filed with the securities and exchange commission lutke made the purchases through an automated plan that he adopted in may he owns the shares through an investment vehicle that now owns 33453 shares of the cryptocurrency exchange