4//SEC Filing
Ridloff Elena 4
Accession 0002036042-25-000053
CIK 0002036042other
Filed
Sep 2, 8:00 PM ET
Accepted
Sep 3, 5:16 PM ET
Size
7.1 KB
Accession
0002036042-25-000053
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.
Documents
Issuer
Sionna Therapeutics, Inc.
CIK 0002036042
Entity typeother
Related Parties
1- filerCIK 0001772518
Filing Metadata
- Form type
- 4
- Filed
- Sep 2, 8:00 PM ET
- Accepted
- Sep 3, 5:16 PM ET
- Size
- 7.1 KB