BlackRock, Inc. - Mar 31, 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: 25M shares
Disclosed Ownership: 3.68M shares
Ownership: 14.7%
Form type: SCHEDULE 13G/A
Date filed: 4/30/2025, 12:32 PM
Date of event: Mar 31, 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
BlackRock, Inc.	14.7%	3.68M	3.65M	0	Spencer Fleming	Managing Director