sec filings
Insider trades
Open-market buys and sales that company insiders report to the SEC on .
Side
Planned sales
Role
SION
Updated 10/6/2026, 10:27 AM ET.
| Stock | Side | Value | Insider | Shares | Avg price | Filed | Tags | Filing |
|---|---|---|---|---|---|---|---|---|
| SION Sionna Therapeutics, Inc. | Sale | $21,835,018 | RA CAPITAL MANAGEMENT, L.P. Director, 10% owner and 5 others | 3,448,811 sh | at $6.33 | Filed Sep 21, 6:56 PM ET | Filing | |
| SION Sionna Therapeutics, Inc. | Sale | $3,854,281 | Thompson Peter A. Director | 85,918 sh | at $44.86 | Filed Jul 9, 4:47 PM ET | Filing | |
| SION Sionna Therapeutics, Inc. | Sale | $3,854,281 | ORBIMED ADVISORS LLC Director and 1 other | 85,918 sh | at $44.86 | Filed Jul 9, 4:44 PM ET | Filing |