03:46 AM EST, 02/07/2025 (MT Newswires) -- Sionna Therapeutics (SION) said late Thursday it has priced an initial public offering of about 10.6 million shares at $18 per share for expected gross proceeds of $191 million.

The cystic fibrosis-focused pharmaceutical firm said its shares are scheduled to begin Nasdaq trading Friday under the ticker symbol "SION."

Sionna has also granted underwriters a 30-day option to purchase up to about 1.6 million additional shares.