 CAMBRIDGE, Mass., July 30, 2021 GLOBE NEWSWIRE -- Mersana Therapeutics, Inc. NASDAQ:MRSN, a clinical-stage biopharmaceutical company focused on discovering and developing a pipeline of antibody-drug conjugates ADCs targeting cancers in areas of high unmet medical need, today announced that it will host a conference call and webcast on Friday, August 6, 2021 at 8:00 a.m. ET to report financial results for the second quarter ended June 30, 2021 and provide business updates. 