4 | SEC Filings Hub

Filing metadata

Accession number: 0000950170-25-068016
Form type: Form 4
Filer: Koppers Holdings Inc.
CIK: CIK 1315257
Filed: May 09, 2025
Reporting period: May 08, 2025
Description: Insider transaction

Documents

0000950170-25-068016-index.htm

Complete submission

0000950170-25-068016.txt

directory listing

Filed by

Koppers Holdings Inc.