8-K//Current report
Koppers Holdings Inc. 8-K
Accession 0001315257-25-000006
$KOPCIK 0001315257operating
Filed
Nov 4, 7:00 PM ET
Accepted
Nov 5, 4:35 PM ET
Size
329.0 KB
Accession
0001315257-25-000006
Documents
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8-K
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EX-99.1
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XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
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XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
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XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
- GRAPHICa1.jpg
- XMLR1.htm
IDEA: XBRL DOCUMENT
- XMLShow.js
IDEA: XBRL DOCUMENT
- XMLreport.css
IDEA: XBRL DOCUMENT
- XMLFilingSummary.xml
IDEA: XBRL DOCUMENT
- JSONMetaLinks.json
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- ZIP0001315257-25-000006-xbrl.zip
IDEA: XBRL DOCUMENT
- XMLkop-20251105_htm.xml
IDEA: XBRL DOCUMENT
Issuer
Koppers Holdings Inc.
CIK 0001315257
Entity typeoperating
IncorporatedPA
Related Parties
1- filerCIK 0001315257
Filing Metadata
- Form type
- 8-K
- Filed
- Nov 4, 7:00 PM ET
- Accepted
- Nov 5, 4:35 PM ET
- Size
- 329.0 KB