Sionna Therapeutics, Inc. (SION) — Insider Trading
Insider trading activity for Sionna Therapeutics, Inc. sourced from SEC EDGAR Form 4 filings.
Overview
- Total insider trades: 10
- Last trade date: Apr 21, 2026
- Ticker: SION
Top Insiders
- ORBIMED ADVISORS LLC — 5 trades, buy: $0, sell: $25.4M
- Thompson Peter A. — 5 trades, buy: $0, sell: $25.4M
Recent Trades
| Date | Insider | Ticker / Company | Type | Shares | Value |
|---|---|---|---|---|---|
| Apr 18, 2026 | ORBIMED ADVISORS LLC | SION Sionna Therapeutics, Inc. | SELL | 2,948 | $131K |
| Apr 17, 2026 | ORBIMED ADVISORS LLC | SION Sionna Therapeutics, Inc. | SELL | 52,397 | $2.3M |
| Apr 18, 2026 | Thompson Peter A. | SION Sionna Therapeutics, Inc. | SELL | 2,948 | $131K |
| Apr 17, 2026 | Thompson Peter A. | SION Sionna Therapeutics, Inc. | SELL | 52,397 | $2.3M |
| Apr 16, 2026 | ORBIMED ADVISORS LLC | SION Sionna Therapeutics, Inc. | SELL | 226,906 | $10.3M |
| Apr 15, 2026 | ORBIMED ADVISORS LLC | SION Sionna Therapeutics, Inc. | SELL | 235,863 | $10.5M |
| Apr 14, 2026 | ORBIMED ADVISORS LLC | SION Sionna Therapeutics, Inc. | SELL | 47,814 | $2.1M |
| Apr 16, 2026 | Thompson Peter A. | SION Sionna Therapeutics, Inc. | SELL | 226,906 | $10.3M |
| Apr 15, 2026 | Thompson Peter A. | SION Sionna Therapeutics, Inc. | SELL | 235,863 | $10.5M |
| Apr 14, 2026 | Thompson Peter A. | SION Sionna Therapeutics, Inc. | SELL | 47,814 | $2.1M |