Company: SION
Filing Date: 2025-11-05
Form Type: 10-Q
Source: 0001628280-25-049251
Chunk: 299

Company: Sionna Therapeutics, Inc.
Filing Date: 2025-11-05
Form: 10-Q
Item: Part II, Item 6
Chunk 299
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 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

SIONNA THERAPEUTICS, INC.Date: November 5, 2025By:/s/Michael CloonanName:Michael Cloonan, M.B.A.Title:President and Chief Executive Officer(Principal Executive Officer)Date: November 5, 2025By:/s/Elena RidloffName:Elena Ridloff, C.F.A.Title:Chief Financial Officer(Principal Financial Officer and Principal Accounting Officer)

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