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Sionna Therapeutics, Inc.

For the period ended Sep 30, 2025. Filed Nov 5, 2025.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2025 · Filed Nov 5, 2025

SION$3.57+8.8%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Table of Contents

Page
Part I - Financial InformationF-1
Item 1. Financial Statements (Unaudited)F-1
Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations15
Item 3. Quantitative and Qualitative Disclosures About Market Risk26
Item 4. Controls and Procedures26
Part II - Other Information27
Item 1. Legal Proceedings27
Item 1A. Risk Factors27
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds84
Item 3. Defaults Upon Senior Securities84
Item 4. Mine Safety Disclosures84
Item 5. Other Information84
Item 6. Exhibits85
SIGNATURES86

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ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.