GAITHERSBURG, Md., Oct. 08, 2018 (GLOBE NEWSWIRE) — Altimmune, Inc. (Nasdaq: ALT), a clinical-stage immunotherapeutics company, today announced it has entered into a purchase agreement with several institutional investors for the purchase of common units and pre-funded units for a combined total of 4,629,630 units in a registered direct offering, for expected gross proceeds of approximately $25 million before placement agent fees and other offering expenses payable by Altimmune.

Each common unit is being sold at a public offering price of $5.40 and consists of one share of common stock and a warrant to purchase one share of common stock at an exercise price of $5.40. Each pre-funded unit is being sold at a public offering price of $5.39 and consists of a pre-funded warrant to purchase one share of common stock at an exercise price of $0.01 per share and a warrant to purchase one share of common stock at an exercise price of $5.40. The public offering price of each pre-funded unit is equal to the public offering price of each common unit being sold to the public in this offering, minus $0.01. The pre-funded warrants will be immediately exercisable and may be exercised at any time until all of the pre-funded warrants are exercised in full. The other warrants will be exercisable immediately and will expire five years from the date of issuance. The terms of the warrants and the pre-funded warrants will be substantially the same as the terms of the warrants and the pre-funded warrants issued in connection with the Company’s public offering completed October 2, 2018. For a summary of the material terms of the warrants and pre-funded warrants, please refer to Exhibit A attached to this press release.

The offering is expected to close on or about October 10, 2018, subject to customary closing conditions. Altimmune intends to use the net proceeds from this offering for the continued advancement of development activities for our clinical-stage product pipeline, general corporate purposes and strategic growth opportunities.