RA CAPITAL MANAGEMENT, L.P. - Insider Non-Derivative Transactions at Sionna Therapeutics, Inc. (SION) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Nov 19, 2025, RA CAPITAL MANAGEMENT, L.P.'s relationship to Sionna Therapeutics, Inc. (SION) is Director,TenPercentOwner, and currently has 6,899,081 shares of Common Stock.
The chart below shows the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other SION insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
RA CAPITAL MANAGEMENT, L.P. - Insider Non-Derivative Transactions of SION Common Stock
RA CAPITAL MANAGEMENT, L.P. - Insider Non-Derivative Transactions at SION
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Nov 20, 2025 | Sell -- (Common Stock) | 9 | 40.61 | 168193 |
| Nov 20, 2025 | Sell -- (Common Stock) | 14325 | 40.01 | 168202 |
| Nov 20, 2025 | Sell -- (Common Stock) | 12 | 40.61 | 662254 |
| Nov 20, 2025 | Sell -- (Common Stock) | 18684 | 40.01 | 662266 |
| Nov 20, 2025 | Sell -- (Common Stock) | 8 | 40.61 | 2205835 |
| Nov 20, 2025 | Sell -- (Common Stock) | 12126 | 40.01 | 2205843 |
| Nov 20, 2025 | Sell -- (Common Stock) | 2 | 40.61 | 6899079 |
| Nov 20, 2025 | Sell -- (Common Stock) | 2276 | 40.01 | 6899081 |
| Nov 19, 2025 | Sell -- (Common Stock) | 2092 | 39.57 | 182527 |
| Nov 19, 2025 | Sell -- (Common Stock) | 2728 | 39.57 | 680950 |
| Nov 19, 2025 | Sell -- (Common Stock) | 1770 | 39.57 | 2217969 |
| Nov 19, 2025 | Sell -- (Common Stock) | 332 | 39.57 | 6901357 |
| Nov 18, 2025 | Sell -- (Common Stock) | 331 | 42.1 | 184619 |
| Nov 18, 2025 | Sell -- (Common Stock) | 10707 | 41.05 | 184950 |
| Nov 18, 2025 | Sell -- (Common Stock) | 13734 | 40.2 | 195657 |
| Nov 18, 2025 | Sell -- (Common Stock) | 433 | 42.1 | 683678 |
| Nov 18, 2025 | Sell -- (Common Stock) | 13964 | 41.05 | 684111 |
| Nov 18, 2025 | Sell -- (Common Stock) | 17913 | 40.2 | 698075 |
| Nov 18, 2025 | Sell -- (Common Stock) | 280 | 42.1 | 2219739 |
| Nov 18, 2025 | Sell -- (Common Stock) | 9063 | 41.05 | 2220019 |
| Nov 18, 2025 | Sell -- (Common Stock) | 11626 | 40.2 | 2229082 |
| Nov 18, 2025 | Sell -- (Common Stock) | 53 | 42.1 | 6901689 |
| Nov 18, 2025 | Sell -- (Common Stock) | 1701 | 41.05 | 6901742 |
| Nov 18, 2025 | Sell -- (Common Stock) | 2182 | 40.2 | 6903443 |
| Feb 11, 2025 | C -- (Common Stock) | 179975 | 0 | 327808 |
| Feb 11, 2025 | C -- (Common Stock) | 527444 | 0 | 869651 |
| Feb 11, 2025 | C -- (Common Stock) | 2222084 | 0 | 2222084 |
| Feb 11, 2025 | P -- (Common Stock) | 102414 | 18 | 2324498 |
| Feb 11, 2025 | C -- (Common Stock) | 5021990 | 0 | 5900779 |
| Feb 11, 2025 | P -- (Common Stock) | 1022586 | 18 | 6923365 |
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