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Sionna Therapeutics (SION) investor relations material
Sionna Therapeutics Corporate presentation summary
Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.Leadership and expertise
Executive team and board have extensive experience in rare disease, biotech, and CF drug development.
Founders and key scientists have backgrounds at Genzyme, Sanofi, Vertex, and other leading firms.
Scientific foundation and innovation
Over 15 years of CFTR research, with origins in Genzyme and Sanofi, underpin the pipeline.
Focus on stabilizing NBD1, a critical domain affected in ~90% of CF patients with the F508del mutation.
NBD1 stabilization shown to restore CFTR half-life and function to wild-type levels in preclinical studies.
Pipeline and clinical progress
Lead NBD1 stabilizers SION-719 and SION-451 advanced through successful Phase 1 trials, showing favorable PK and safety.
SION-719 is being evaluated as an add-on to standard of care (SOC) in a Phase 2a POC trial; SION-451 is anchor for dual combinations.
Dual combinations with complementary correctors (SION-2222, SION-109) are in Phase 1 trials, with topline data expected summer 2026.
- Q1 2026 net loss rose to $26.8M; cash reserves fund operations into 2028, topline data due summer 2026.SION
Q1 202612 May 2026 - Vote on four director elections and auditor ratification at the June 17, 2026, virtual meeting.SION
Proxy filing27 Apr 2026 - 2026 meeting to elect directors, ratify auditor, and highlight governance and compensation practices.SION
Proxy filing27 Apr 2026 - Advancing novel NBD1 stabilizers for CF, with pivotal data expected mid-2026 and strong cash runway.SION
Leerink Global Healthcare Conference 202610 Mar 2026 - NBD1 stabilizers aim to set a new efficacy bar in CF by targeting unmet needs beyond current therapies.SION
TD Cowen 46th Annual Health Care Conference2 Mar 2026 - Advancing NBD1 stabilizers for CF with strong clinical progress and cash runway into 2028.SION
Corporate presentation2 Mar 2026 - Advanced pipeline and strong cash position support operations into 2028; key data due mid-2026.SION
Q4 20252 Mar 2026 - NBD1 stabilizer programs target major CF mutations, with pivotal data expected mid-2026.SION
Guggenheim Securities Emerging Outlook: Biotech Summit 202611 Feb 2026 - Advancing NBD1 stabilizers to transform CF care, with key data expected mid-2026.SION
44th Annual J.P. Morgan Healthcare Conference13 Jan 2026
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