Form 4: Sionna Therapeutics CEO Receives Stock Grant
Insider Transaction (Form 4)
Michael Cloonan, President & CEO and a Director of Sionna Therapeutics, Inc., reported multiple transactions in common stock on September 17, 2026.
Summary
- Grant/award: acquired 109,025 Common Stock on September 17, 2026; holds 656,368 after (Direct).
- Grant/award: acquired 109,025 Common Stock on September 17, 2026; holds 765,393 after (Direct).
- Grant/award: acquired 436,100 Non-Qualified Stock Option (right to buy) on September 17, 2026; holds 436,100 after (Direct).
- Disposition to the issuer: disposed of 436,100 Non-Qualified Stock Option (right to buy) on September 17, 2026 (Direct).
Sentiment
Score: 5
Explanation: StockSavvy.ai views this as routine: the reported changes are grants, option exercises, tax withholding or similar administrative transactions, which carry limited directional signal.
Insider Transactions
Michael Cloonan — Director, Officer (President & CEO)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-17 | Grant/award | Common Stock | 109,025 | — | — | 656,368 |
| 2026-09-17 | Grant/award | Common Stock | 109,025 | — | — | 765,393 |
| 2026-09-17 | Grant/award | Non-Qualified Stock Option (right to buy) | 436,100 | — | — | 436,100 |
| 2026-09-17 | Disposition to the issuer | Non-Qualified Stock Option (right to buy) | 436,100 | — | — | 0 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-17 | Grant/award (109,025 shares) |
| 2026-09-17 | Grant/award (109,025 shares) |
| 2026-09-17 | Grant/award (436,100 shares) |
| 2026-09-17 | Disposition to the issuer (436,100 shares) |
Keywords
insider transaction, Form 4, SION, Sionna Therapeutics, Inc., neutral, Michael Cloonan
Disclaimer:The information provided here is for general informational purposes only and does not constitute financial advice, recommendation, or endorsement of any kind. It may contain errors or omissions. You should not rely on this information to make financial decisions. Always seek the advice of a qualified financial professional before making any investment or financial decisions. Use of this information is at your own risk.