Mersana Therapeutics, Inc. (NASDAQ:MRSN) Q4 2022 Earnings Conference Call February 28, 2023 8:00 AM ET Company Participants Jason Fredette - SVP, IR and Corporate Communications Anna Protopapas - President and CEO Arvin Yang - Chief Medical Officer Brian DeSchuytner - CFO Conference Call Participants Jonathan Chang - SVB Securities Ashiq Mubarack - Citi Asthika Goonewardene - Truist Securities Boris Peaker - Cowen Operator Good morning, and welcome to Mersana Therapeutics Fourth Quarter and Year End 2022 Co ...