argenx SE (NASDAQ:ARGX) Q1 2021 Earnings Conference Call May 14, 2021 8:30 AM ET Company Participants Beth DelGiacco - Vice President of Corporate Communications & Investor Relations Tim Van Hauwermeiren - Chief Executive Officer Eric Castaldi - Chief Financial Officer Keith Woods - Chief Operating Officer Conference Call Participants Derek Archila - Stifel Amy Li - Wolfe Research Tazeen Ahmad - Bank of America Joon Lee - Truist Securities Danielle Brill - Raymond James Yaron Werber - Cowen & Company Jason ...