Ridloff Elena 4
4 · Sionna Therapeutics, Inc. · Filed Sep 3, 2025
Insider Transaction Report
Form 4
Transactions
- Sale
Common Stock
2025-08-29$25.18/sh−748$18,835→ 47,368 total - Sale
Common Stock
2025-09-02$25.08/sh−8,836$221,607→ 38,532 total
Footnotes (3)
- [F1]This transaction was automatically executed pursuant to a Rule 10b5-1 trading plan adopted on May 20, 2025.
- [F2]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $25.00 to $25.34, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price at which the transactions were effected.
- [F3]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $25.00 to $25.30, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price at which the transactions were effected.