ProNAi – $158 Million IPO

San Diego – August 7, 2015 – Cooley advised the underwriters on ProNAi Therapeutics, Inc.'s $158.4 million initial public offering. ProNAi is a clinical-stage oncology company pioneering a novel class of therapeutics based on its proprietary DNA interference (DNAi) technology platform. Shares of the company's stock now trade on The NASDAQ Global Market under the symbol "DNAI."

Jefferies LLC and BofA Merrill Lynch acted as joint book-running managers for the offering. Wedbush PacGrow and SunTrust Robinson Humphrey acted as co-managers.

The Cooley corporate securities team representing the underwriters included partners Charlie Kim, David Peinsipp and Div Gupta and associates Kristin VanderPas, Dani Nazemian and Susan Walker.

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