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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
Simcoe Capital Management
 2026-05-19
13D Filing
Koppers Holdings Inc.
KOP
 Fuller & Thaler Asset Management, Inc. 2026-05-13
13G 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
Insider Monkey Quarterly Strategy
+599.2% Insider Monkey Quarterly Strategy
+227% Benchmark50% S&P 500 ETF and 50% Russell 2000 ETF
500%
250%
0%

Returns since its inception in May 2014 (through June 2, 2026)

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