Company: SION
Filing Date: 2025-08-11
Form Type: 10-Q
Source: 0002036042-25-000047
Chunk: 292

Company: Sionna Therapeutics, Inc.
Filing Date: 2025-08-11
Form: 10-Q
Item: Part II, Item 1A
Chunk 292
---
 signed on its behalf by the undersigned, thereunto duly authorized.

SIONNA THERAPEUTICS, INC.Date: August 11, 2025By:/s/Michael CloonanName:Michael Cloonan, M.B.A.Title:President and Chief Executive Officer(Principal Executive Officer)Date: August 11, 2025By:/s/Elena RidloffName:Elena Ridloff, C.F.A.Title:Chief Financial Officer and Head of Corporate Development(Principal Financial Officer and Principal Accounting Officer)

87