BlackRock, Inc. - 31 Dec 2025 SCHEDULE 13G/A Report for GOSSAMER BIO, INC. Common Stock (GOSS)

Filing Manager: BlackRock, Inc.
Reporting Manager: BlackRock, Inc.
Security: GOSSAMER BIO, INC. Common Stock
Symbol: GOSS
Shares outstanding: 231,780,123 shares
Disclosed Ownership: 15,065,708 shares
Ownership: 6.5%
Form type: SCHEDULE 13G/A
Filing time: 21 Jan 2026, 12:30:29 UTC
Date of event: 31 Dec 2025
Previous filing: 17 Jul 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
BlackRock, Inc.	6.5%	15,065,708	14,859,077	0	Spencer Fleming	Managing Director