Don't Miss: He's already been making moves. Through his company, Cost Plus Drugs, Cuban is working to bring down drug prices by eliminating the middlemen who inflate costs. The company adds just a 15% markup on medications and publishes its entire price list online. It now offers over 6,000 medications. Cuban has been especially critical of pharmacy benefit managers, who he believes were supposed to lower costs but have instead become profit-driven giants. According to him, they acquired insurance providers ...