Mersana Therapeutics, Inc. (NASDAQ:MRSN) Q4 2020 Earnings Conference Call February 26, 2021 8:00 AM ET Company Participants Sarah Carmody - Executive Director, Investor Relations and Corporate Communications Anna Protopapas - President and Chief Executive Officer Arvin Yang - Senior Vice President and Chief Medical Officer Timothy Lowinger - Chief Science and Technology Officer Brian DeSchuytner - Senior Vice President of Finance and Product Strategy Carla Poulson - Chief Human Resources Officer Conference ...