$KOP·8-K/A

Koppers Holdings Inc. · Dec 3, 4:35 PM ET

Koppers Holdings Inc. 8-K/A

8-K/A · Koppers Holdings Inc. · Filed Dec 3, 2025

Documents

11 files
  • 8-K
  • EX-101.SCH
    kop-20241108.xsd

    XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT

  • EX-101.LAB
    kop-20241108_lab.xml

    XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT

  • EX-101.PRE
    kop-20241108_pre.xml

    XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT

  • XML

    IDEA: XBRL DOCUMENT

  • XML
    Show.js

    IDEA: XBRL DOCUMENT

  • XML
    report.css

    IDEA: XBRL DOCUMENT

  • XML
    FilingSummary.xml

    IDEA: XBRL DOCUMENT

  • JSON
    MetaLinks.json

    IDEA: XBRL DOCUMENT

  • ZIP
    0001315257-25-000014-xbrl.zip

    IDEA: XBRL DOCUMENT

  • XML
    kop-20241108_htm.xml

    IDEA: XBRL DOCUMENT