4 | SEC Filings Hub

Filing metadata

Accession number: 0000950170-25-045416
Form type: Form 4
Filer: Koppers Holdings Inc.
CIK: CIK 1315257
Filed: Mar 26, 2025
Reporting period: Mar 24, 2025
Description: Insider transaction

Documents

0000950170-25-045416-index.htm

Complete submission

0000950170-25-045416.txt

directory listing

Filed by

Koppers Holdings Inc.