Form 4: Sionna Therapeutics Executive Receives Stock Grant
Insider Transaction (Form 4)
Charlotte Mckee, CMO and Head of R&D of Sionna Therapeutics, Inc., reported multiple transactions in common stock on September 17, 2026.
Summary
- Grant/award: acquired 50,000 Common Stock on September 17, 2026; holds 78,415 after (Direct).
- Grant/award: acquired 50,000 Common Stock on September 17, 2026; holds 128,415 after (Direct).
- Grant/award: acquired 155,700 Non-Qualified Stock Option (right to buy) on September 17, 2026; holds 155,700 after (Direct).
- Disposition to the issuer: disposed of 155,700 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
Charlotte Mckee — Officer (CMO and Head of R&D)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-17 | Grant/award | Common Stock | 50,000 | — | — | 78,415 |
| 2026-09-17 | Grant/award | Common Stock | 50,000 | — | — | 128,415 |
| 2026-09-17 | Grant/award | Non-Qualified Stock Option (right to buy) | 155,700 | — | — | 155,700 |
| 2026-09-17 | Disposition to the issuer | Non-Qualified Stock Option (right to buy) | 155,700 | — | — | 0 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-17 | Grant/award (50,000 shares) |
| 2026-09-17 | Grant/award (50,000 shares) |
| 2026-09-17 | Grant/award (155,700 shares) |
| 2026-09-17 | Disposition to the issuer (155,700 shares) |
Keywords
insider transaction, Form 4, SION, Sionna Therapeutics, Inc., neutral, Charlotte Mckee
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