CAMBRIDGE, Mass., Sept. 14, 2016 -- Proteostasis Therapeutics, Inc. (NASDAQ:PTI), a biopharmaceutical company developing small molecule therapeutics to treat diseases caused by dysfunctional protein processing such as cystic fibrosis, today announced the closing of its follow-on public offering of 5,000,000 shares of its common stock at a public offering price of $13.00 per share, before the underwriting discount. All of the shares sold were offered by Proteostasis Therapeutics, Inc. The gross proceeds from the offering are $65 million, before deducting the underwriting discount and expenses associated with the offering payable by the company. In addition, the company has granted the underwriters a 30-day option to purchase up to an additional 750,000 shares of its common stock at the public offering price, less the underwriting discount.
Leerink Partners and RBC Capital Markets acted as joint book-running managers. H.C. Wainwright & Co. acted as lead manager and Baird acted as co-manager.
A registration statement on Form S-1 relating to the securities sold in the offering was declared effective by the Securities and Exchange Commission on September 8, 2016. This offering was made only by means of a prospectus. Copies of the final prospectus relating to this offering may be obtained by contacting: Leerink Partners LLC, c/o Attention: Syndicate Department, One Federal Street, 37th Floor, Boston, MA 02110, or by email at [email protected], or by phone at (800) 808-7525, ext. 6142; or RBC Capital Markets, LLC, Attention: Equity Syndicate, 200 Vesey Street, 8th Floor, New York, NY 10281, Telephone: (877) 822-4089, Email: [email protected].
This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.
About Proteostasis Therapeutics, Inc.
Proteostasis Therapeutics, Inc. is a biopharmaceutical company dedicated to the discovery of groundbreaking therapies to treat diseases caused by dysfunctional protein processing, such as cystic fibrosis (CF). Headquartered in Cambridge, MA, the Proteostasis Therapeutics team focuses on identifying therapies that modulate the proteostasis imbalance in cells and restore protein function.
Media Contact: Katie Engleman, Pure Communications, Inc. (910) 509-3977 [email protected] Investor Contact: Luke Heagle, Pure Communications, Inc. (910) 726-1372 [email protected]


Korea Zinc to Build $7.4 Billion Critical Minerals Refinery in Tennessee With U.S. Government Backing
California Jury Awards $40 Million in Johnson & Johnson Talc Cancer Lawsuit
SUPERFORTUNE Launches AI-Powered Mobile App, Expanding Beyond Web3 Into $392 Billion Metaphysics Market
United Airlines Flight to Tokyo Returns to Dulles After Engine Failure During Takeoff
Azul Airlines Wins Court Approval for $2 Billion Debt Restructuring and New Capital Raise
SpaceX Begins IPO Preparations as Wall Street Banks Line Up for Advisory Roles
Nvidia Weighs Expanding H200 AI Chip Production as China Demand Surges
Biren Technology Targets Hong Kong IPO to Raise $300 Million Amid China’s AI Chip Push
Shell M&A Chief Exits After BP Takeover Proposal Rejected
SpaceX Insider Share Sale Values Company Near $800 Billion Amid IPO Speculation
Coca-Cola’s Costa Coffee Sale Faces Uncertainty as Talks With TDR Capital Hit Snag
iRobot Files for Chapter 11 Bankruptcy Amid Rising Competition and Tariff Pressures
Strategy Retains Nasdaq 100 Spot Amid Growing Scrutiny of Bitcoin Treasury Model
EU Signals Major Shift on 2035 Combustion Engine Ban Amid Auto Industry Pressure
Korea Zinc Plans $6.78 Billion U.S. Smelter Investment With Government Partnership
FDA Says No Black Box Warning Planned for COVID-19 Vaccines Despite Safety Debate
United Airlines Tokyo-Bound Flight Returns to Dulles After Engine Failure 



