Atossa Therapeutics Announces Closing of Registered Direct Offering of up to $16.5 Million in Gross Proceeds

$4.5 million upfront with up to an additional $12 million of potential aggregate gross proceeds upon exercise in full of warrants SEATTLE, June 12, 2026 /PRNewswire/ -- Atossa Therapeutics, Inc. (Nasdaq: ATOS) ("Atossa" or the "Company"), a clinical-stage biopharmaceutical company...