BlackRock, Inc. - Sep 30, 2025 SCHEDULE 13G/A Report for Tourmaline Bio, Inc. Common Stock (TRML)

Filing Manager: BlackRock, Inc.
Reporting Manager: BlackRock, Inc.
Security: Tourmaline Bio, Inc. Common Stock
Symbol: TRML
Shares outstanding: 25.7M shares
Disclosed Ownership: 1.41M shares
Ownership: 5.5%
Form type: SCHEDULE 13G/A
Date filed: 10/17/2025, 06:24 PM
Date of event: Sep 30, 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
BlackRock, Inc.	5.5%	1.41M	1.36M	0	Spencer Fleming	Managing Director