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Cloonan Michael
President & CEO at Sionna Therapeutics. Filing since 20 Aug 2025.
CIK 0001704336
Company
Date
Role
Action
Shares
Amount
Of holding
SION
Sionna Therapeutics, Inc.
21 Oct 2025
President & CEO
Sold on a plan
99,800
$3.62M
15.4%
SION
Sionna Therapeutics, Inc.
16 Oct 2025
President & CEO
Sold on a plan
10,425
$328.49K
1.9%
SION
Sionna Therapeutics, Inc.
15 Oct 2025
President & CEO
Sold on a plan
14,775
$459.66K
2.6%
SION
Sionna Therapeutics, Inc.
29 Sep 2025
President & CEO
Sold on a plan
7,793
$231.45K
1.4%
SION
Sionna Therapeutics, Inc.
26 Sep 2025
President & CEO
Sold on a plan
17,207
$496.35K
3.0%
SION
Sionna Therapeutics, Inc.
27 Aug 2025
President & CEO
Sold on a plan
7,426
$185.71K
1.3%
SION
Sionna Therapeutics, Inc.
26 Aug 2025
President & CEO
Sold on a plan
17,574
$438.65K
3.1%
SION
Sionna Therapeutics, Inc.
20 Aug 2025
President & CEO
Sold on a plan
25,000
$568.75K
4.4%
8 decisions on file.
