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Sionna Therapeutics, Inc.

For the period ended Sep 30, 2026. Filed Nov 10, 2026.

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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, 2026 · Filed Nov 10, 2026

SION$3.70+3.6%Stored close · as of Nov 10, 2026

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

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Item 1. Legal Proceedings

From time to time, we may become involved in legal proceedings arising from the ordinary course of business. We record a liability for such matters when it is probable that future losses will be incurred and that such losses can be reasonably estimated. Significant judgment by us is required to determine both probability and the estimated amount. Our management is currently not aware of any legal matters that could have a material effect on our financial position, results of operations or cash flows.

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