SOUTH SAN FRANCISCO, Calif., May 26, 2026 (GLOBE NEWSWIRE) -- Assembly Biosciences, Inc. (NASDAQ:ASMB), a biotechnology company developing innovative therapeutics targeting serious viral and liver diseases, today announced the closing of its previously announced underwritten registered offering of 3,924,624 shares of its common stock at an offering price per share of common stock of $26.50, which includes the exercise in full by the underwriters of their option to purchase 566,040 additional shares of common stock. In addition, and in lieu of common stock, Assembly Bio sold to a certain existing investor pre-funded warrants to purchase up to an aggregate of 415,000 shares of common stock at an offering price per pre-funded warrant of $26.499, which represents the per share offering price of the common stock less the $0.001 per share exercise price for each such pre-funded warrant. The aggregate gross proceeds to Assembly Bio from this offering were approximately $115.0 million before deducting underwriting discounts and commissions and other offering expenses payable by the company. Assembly Bio intends to use the net proceeds from the sale of the common stock and pre-funded warrants to fund clinical development of pipeline candidates and for general corporate purposes.

Guggenheim Securities and UBS Investment Bank acted as joint book-running managers for the offering. Mizuho is also acted as a book-running manager for the offering. H.C. Wainwright & Co. acted as lead manager for the offering.

A shelf registration statement relating to the securities sold in the offering was filed with the Securities and Exchange Commission (SEC) and was declared effective on March 27, 2026. A preliminary prospectus supplement and ...