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Home > Insider Trading > Koppers Holdings Inc.

Koppers Holdings Inc. (KOP)

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Latest 13D & 13G Filings
Company Symbol Filed By Filing Date Filing
Koppers Holdings Inc.
KOP
 Vanguard Capital Management 2026-04-30
13G Filing
Koppers Holdings Inc.
KOP
 BlackRock, Inc. 2026-04-24
13G Filing
Koppers Holdings Inc.
KOP
 The Vanguard Group 2026-03-27
13G Filing
Koppers Holdings Inc.
KOP
 The Vanguard Group 2025-04-30
13G Filing
Koppers Holdings Inc.
KOP
Pzena Investment Management
 2025-04-28
13G Filing
Insider Monkey Quarterly Strategy
+498.7% Insider Monkey Quarterly Strategy
+195% Benchmark50% S&P 500 ETF and 50% Russell 2000 ETF
400%
200%
0%

Returns since its inception in May 2014 (through February 18th, 2026)

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