Sionna Therapeutics to Participate in Upcoming November 2026 Investor Conferences

WALTHAM, Mass., Nov. 02, 2026 (GLOBE NEWSWIRE) -- Sionna Therapeutics, Inc. (Nasdaq: SION), a clinical-stage biopharmaceutical company on a mission to develop novel medicines for cystic fibrosis (CF), today announced that management will participate in fireside chats at the following upcoming investor events: * Guggenheim's 3rd Annual Healthcare Innovation Conference fireside chat on Monday, November 9(th), 2026, at 10:30 a.m. ET; and * Stifel’s 2026 Healthcare Conference fireside chat on Tuesday, November 10(th), 2026, at 8:40 a.m. ET Live webcasts can be accessed in the ‘Investors’ section of Sionna’s website at https://investors.sionnatx.com. Replays will also be available following the events.

About Sionna Therapeutics Sionna Therapeutics is a clinical-stage biopharmaceutical company on a mission to revolutionize the current treatment paradigm for cystic fibrosis (CF) by developing novel medicines that improve the function of the cystic fibrosis transmembrane conductance regulator (CFTR) protein. Sionna’s goal is to deliver differentiated medicines for people living with CF that can restore their CFTR function to as close to normal as possible by directly stabilizing CFTR’s nucleotide binding domain 1 (NBD1), which Sionna believes is central to potentially unlocking meaningful improvements in clinical outcomes and quality of life for people with CF. For more information about Sionna, visit www.sionnatx.com.