CAMBRIDGE, Mass.–(BUSINESS WIRE)–Mersana Therapeutics, Inc., a clinical-stage biotechnology company focused on discovering and developing a pipeline of antibody drug conjugates (ADCs) based on its proprietary Dolaflexin® platform with DolaLock payload technology, today announced the pricing of its initial public offering of 5,000,000 shares of common stock at a public offering price of $15.00 per share for aggregate gross proceeds of $75,000,000. In addition, Mersana Therapeutics has granted the underwriters a 30-day option to purchase up to 750,000 additional shares of its common stock at the initial public offering price. The shares are scheduled to begin trading on The NASDAQ Global Select Market on June 28, 2017 under the ticker symbol “MRSN.”
J.P. Morgan, Cowen and Leerink Partners acted as book-running managers for the offering. Wedbush PacGrow acted as co-manager for the offering.
A registration statement relating to these securities was filed with, and was declared effective by, the Securities and Exchange Commission. This offering was made only by means of a written prospectus forming part of the effective registration statement….