Insider Shareholders with Direct Ownership of Sionna Therapeutics, Inc. (SION)
This section provides a comprehensive overview of the insiders with direct ownership of Sionna Therapeutics, Inc. (SION). You can find detailed information about the size and nature of each insider's ownership stake, as well as the latest updates on their holdings.
Sionna Therapeutics, Inc. Insider List
| Insider | Adquired | Disposed | Held | # of Trades | Last Transaction |
|---|---|---|---|---|---|
|
Michael Cloonan
President & CEO |
200,000 | 200,000 | 547,343 | 16 |
Oct 21, 2025
Reduced 5.77%
|
|
Elena Ridloff
CFO & Head of Corp. Dev. |
0 | 85,000 | 38,532 | 7 |
Sep 02, 2025
Reduced 18.65%
|
| 2,886,293 | 0 | 0 | 1 |
N/A
|
|
|
Jennifer Fitzpatrick
Chief Legal Officer |
10,250 | 10,250 | 0 | 2 |
Sep 04, 2025
Reduced 100.0%
|