Koppers Holdings Inc. (KOP)
25 filings available.
0
Insider buys, 12 months
$0 by 0 insiders
14
Insider sales, 12 months
$5.6M by 4 insiders
Most active KOP insiders: Sullivan James A. and Ball M Leroy.
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Full Timeline
Every tracked SEC filing, congressional trade, 13F/N-PORT holding change, lobbying disclosure, government contract award, SEC enforcement action, and pay-vs-performance filing for KOP, merged into one feed.
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Who's involved
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- SCHEDULE 13G Filing: Koppers Holdings IncSCHEDULE 13GOct 30, 2026
- SCHEDULE 13D/A Filing: Koppers Holdings Inc.SCHEDULE 13D/AOct 22, 2026
Filers on record
BALL M LEROYFirst tracked sale