Cormorant Asset Management, LP - 31 Dec 2025 SCHEDULE 13G/A Report for Cabaletta Bio, Inc. Common Stock, par value $0.00001 per share (CABA)

Filing Manager: Cormorant Asset Management, LP
Reporting Manager: Cormorant Asset Management, LP
Security: Cabaletta Bio, Inc. Common Stock, par value $0.00001 per share
Symbol: CABA
Shares outstanding: 101,293,103 shares
Disclosed Ownership: 9,400,000 shares
Ownership: 9.3%
Form type: SCHEDULE 13G/A
Filing time: 17 Feb 2026, 15:00:11 UTC
Date of event: 31 Dec 2025
Previous filing: 14 Nov 2025
SEC: View on sec.gov

Reporting Managers (2)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Cormorant Asset Management, LP	9.3%	9,400,000	0	9,400,000	/s/ Bihua Chen	Bihua Chen, Managing Member
Bihua Chen	9.3%	9,400,000	0	9,400,000	/s/ Bihua Chen	Bihua Chen