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Apr 27, 2026 8:02 AM

Altimmune Announces Closing of $225 Million Oversubscribed Public Offering of Securities

$225 million funded at closing, with an additional $225 million warrant tranche

Financing funds operations through anticipated Phase 3 MASH 52-week data readout

Financing was led by Deep Track Capital, with participation from TCGX, Viking Global Investors, RA Capital Management, and other new and existing investors

GAITHERSBURG, Md., April 27, 2026 (GLOBE NEWSWIRE) -- Altimmune, Inc. (NASDAQ:ALT), a late clinical-stage biopharmaceutical company developing pemvidutide to address serious liver diseases, today announced the closing of its previously announced underwritten public offering consisting of (i) 64,250,000 shares of its common stock and 64,250,000 accompanying common stock warrants to purchase shares of common stock or pre-funded warrants in lieu thereof and (ii) in lieu of common stock, to certain investors that so choose, pre-funded warrants to purchase an aggregate of up to 10,750,000 shares of its common stock and 10,750,000 accompanying common stock warrants to purchase shares of common stock or pre-funded warrants in lieu thereof, each at an exercise price of $0.001 per pre-funded warrant. The common stock and pre-funded warrants are being sold in combination with an accompanying common stock warrant to purchase one share of common stock (or pre-funded warrant in lieu thereof) issued for each share of common stock or pre-funded warrant sold. The accompanying common stock warrant is immediately exercisable from the date of issuance and will expire upon the earlier of (i) the fifth anniversary of the original issuance date and (ii) forty-five days following the Company's public announcement of a successful data readout of its Phase 3 trial of pemvidutide in metabolic dysfunction-associated steatohepatitis ("MASH"). The combined offering price of each share of common stock and accompanying common stock warrant is $3.00. The combined offering price of each pre-funded warrant and accompanying common stock warrant is $2.999.

All of the shares, pre-funded warrants and accompanying common stock warrants in the offering were sold by Altimmune. The gross proceeds from the offering before deducting underwriting discounts and commissions and other offering expenses, were approximately $225 million.

"This financing provides the resources to initiate and execute the pemvidutide Phase 3 trial in MASH and provides cash ...