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

Filing Manager
BlackRock, Inc.
Reporting Manager
BlackRock, Inc.
Symbol
KOP
Shares outstanding
20,175,000 shares
Disclosed Ownership
3,591,150 shares
Ownership
18%
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
Next filing
24 Apr 2026

Quoteable Key Fact

"BlackRock, Inc. disclosed 18% ownership in KOPPERS HOLDINGS INC Common Stock (KOP) on 31 Mar 2025."

Quick Takeaways

  • BlackRock, Inc. filed SCHEDULE 13G/A for KOPPERS HOLDINGS INC Common Stock (KOP).
  • Disclosed ownership: 18%.
  • Date of event: 31 Mar 2025.

What Changed

  • Previous schedule filing date: 05 Feb 2025.
  • Current filing was accepted on 23 Apr 2025, 20:57.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
BlackRock, Inc. 18% 3,591,150 3,553,291 0 Spencer Fleming Managing Director