Sionna Therapeutics Inc(SION) - Prospectus(update)

Table of Contents As filed with the Securities and Exchange Commission on February 3, 2025. Registration No. 333-284352 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Amendment No. 1 to FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Sionna Therapeutics, Inc. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) Delaware 2834 84-2801521 (Primary Standard Industrial Classification Code Number) (I.R.S. Em ...