BlackRock, Inc. - 31 Mar 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: 20,175,000 shares
Disclosed Ownership: 3,591,150 shares
Ownership: 17.8%
Form type: SCHEDULE 13G/A
Filing time: 23 Apr 2025, 20:57:57 UTC
Date of event: 31 Mar 2025
Previous filing: 05 Feb 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%	3,591,150	3,553,291	0	Spencer Fleming	Managing Director