Karyopharm Therapeutics Inc. (NASDAQ:KPTI) Q1 2021 Results Earnings Conference Call May 3, 2021 8:30 AM ET Company Participants Ian Karp - Senior Vice President, Investor and Public Relations Richard Paulson - President and Chief Executive Officer Michael Kauffman - Co-Founder, Senior Clinical Advisor and Board Member Michael Mason - Chief Financial Officer John Demaree - Chief Commercial Officer Stephen Mitchener - Chief Business Officer Conference Call Participants Brian Abrahams - RBC Capital Markets Mau ...