TPG GP A, LLC - 10 Feb 2025 SCHEDULE 13D Report for Sionna Therapeutics, Inc. Common Stock, par value $0.001 per share (SION)

Filing Manager
TPG GP A, LLC
Reporting Manager
TPG GP A, LLC
Security
Sionna Therapeutics, Inc. Common Stock, par value $0.001 per share
Symbol
SION
Shares outstanding
43,980,013 shares
Disclosed Ownership
6,684,962 shares
Ownership
15%
Form type
SCHEDULE 13D
Filing time
18 Feb 2025, 20:56:06 UTC
Date of event
10 Feb 2025
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
TPG GP A, LLC 15% 6,684,962 0 6,684,962 /s/ Bradford Berenson Bradford Berenson / General Counsel 0001903793
James G. Coulter 15% 6,684,962 0 6,684,962 /s/ Gerald Neugebauer Gerald Neugebauer, on behalf of James G. Coulter (1) 0001099776
Jon Winkelried 15% 6,684,962 0 6,684,962 /s/ Gerald Neugebauer Gerald Neugebauer, on behalf of Jon Winkelried (2) 0001366946