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Koppers Holdings Inc.
KOPCIK: 0001315257
Koppers Holdings Inc. (KOP) has recorded 39 insider filings from 15 unique insiders, totaling $2.5M in trading activity (net selling). Insiders have sold $400.3K while purchasing $0. Insider sales can reflect personal financial planning rather than a bearish view — always consider the full context. The most active insider by volume is BALL M LEROY. All data sourced from SEC Form 4 filings and updated as new disclosures are filed.
Total Volume
$2.5M
Purchases
$0
Sales
$400.3K
Unique Insiders
15
Recent Insider Trades (39)
Grant
$0
1 grant
Other
$0
Other
$0
Other
$0
Other
$0
Other
$0
Other
$0
Other
$0
Other
$0
Other
$0
Other
$0
Sell
$94.4K
1 sale
Sell
$231.4K
3 sales
Grant
$0
1 grant
Grant
$0
1 grant
Grant
$0
1 grant
Grant
$0
1 grant
Other
$0
Grant
$0
1 grant
Apostolou Stephanie LChief Legal&Sus Officer & Sec.
Filed Jan 6, 2026
Grant
$0
1 grant
Other
$0
Other
$0
Apostolou Stephanie LChief Legal&Sus Officer & Sec.
Filed Dec 17, 2025
Other
$0
Other
$0
Other
$0
Other
$0
Other
$0
Other
$0
Other
$0
Other
$0
Other
$0
Grant
$0
1 grant
Other
$0
Other
$0
Other
$0
Other
$0
Other
$0
Sell
$74.6K
1 sale
Grant
$0
1 grant