BlackRock, Inc. - 31 Mar 2025 SCHEDULE 13G/A Report for INNOSPEC INC. Common Stock (IOSP)

Filing Manager: BlackRock, Inc.
Reporting Manager: BlackRock, Inc.
Security: INNOSPEC INC. Common Stock
Symbol: IOSP
Shares outstanding: 25,045,347 shares
Disclosed Ownership: 3,681,666 shares
Ownership: 15%
Form type: SCHEDULE 13G/A
Filing time: 30 Apr 2025, 12:32:35 UTC
Date of event: 31 Mar 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
BlackRock, Inc.	15%	3,681,666	3,650,446	0	Spencer Fleming	Managing Director