• OrbiMed Advisors reported selling 85,918 Sionna Therapeutics common shares on July 7, 2026 at USD 44.86.
• Indirect stake fell to 2,469,959 shares following the sale.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Sionna Therapeutics Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0000947871-26-000694), on July 09, 2026, and is solely responsible for the information contained therein.