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SION

Sionna Therapeutics, Inc.

Nasdaq · Pharmaceutical Preparations

2
Insider trades
0
Congress trades

Company Overview

A concise company profile alongside the latest public filing activity.

Sionna Therapeutics is a clinical-stage biopharmaceutical company developing therapies for cystic fibrosis, focused on correcting the underlying defect in the CFTR protein by targeting its nucleotide-binding domain 1 (NBD1).

Industry
Pharmaceutical Preparations
Headquarters
Waltham, MA
Exchange
Nasdaq

Company profile sourced from SEC filings.

Corporate Insider Trades

Open-market purchases and sales by directors, officers, and other company insiders.

InsiderTypeValueDate
RA CAPITAL MANAGEMENT, L.P.InsiderSell$21.58MSep 17, 2026
RA CAPITAL MANAGEMENT, L.P.InsiderSell$252KSep 17, 2026

Source: SEC EDGAR Form 4 filings

Congressional Trades

Recent disclosures by members of the U.S. House and Senate.

No recent congressional disclosures found for SION.

Source: Senate eFD and House Clerk STOCK Act disclosures

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For informational purposes only, not investment advice. Filings can be delayed, corrected, or amended. Trading activity alone does not predict future performance.