Sionna Therapeutics Announces Closing of $219.2 million Upsized Initial Public Offering, Including Full Exercise of Underwriters’ Option to Purchase Additional Shares

BOSTON, Feb. 10, 2025 (GLOBE NEWSWIRE) -- Sionna Therapeutics, Inc. (Nasdaq: SION), a clinical-stage biopharmaceutical company on a mission to revolutionize the current treatment paradigm for cystic fibrosis (CF) by developing novel medicines that normalize the function of the cystic fibrosis transmembrane conductance regulator (CFTR) protein, today announced the closing of its upsized initial public offering of 12,176,467 shares of its common stock at a public offering price of $18.00 per share, which incl ...