CAMBRIDGE, Mass., March 05, 2019 (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 the closing of its underwritten registered public offering of 24,437,500 shares of its common stock at the public offering price of $4.00 per share, which includes the exercise in full of the underwriters’ option to purchase additional shares of common stock. The total gross proceeds to Mersana from the offering, before deducting underwriting discounts and commissions and offering expenses, are approximately $97.8 million.

About Mersana Therapeutics
Mersana Therapeutics is a clinical-stage biopharmaceutical company using its differentiated and proprietary ADC platforms to develop highly targeted drugs with increased tolerability and expanded opportunities to deliver meaningful clinical benefit to patients. Mersana’s lead product candidate, XMT-1536, is in a Phase 1 clinical trial in patients with tumors expressing NaPi2b, including ovarian cancer, NSCLC, and other cancers. In addition, multiple partners are using Mersana’s platform to advance their ADC pipelines.