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

Filing Manager: BlackRock, Inc.
Reporting Manager: BlackRock, Inc.
Security: KOPPERS HOLDINGS INC Common Stock
Symbol: KOP
Shares outstanding: 20.2M shares
Disclosed Ownership: 3.59M shares
Ownership: 17.8%
Form type: SCHEDULE 13G/A
Date filed: 4/23/2025, 08:57 PM
Date of event: Mar 31, 2025
Previous filing: Feb 5, 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
BlackRock, Inc.	17.8%	3.59M	3.55M	0	Spencer Fleming	Managing Director