4 | SEC Filings Hub

Filing metadata

Accession number: 0002057699-26-000002
Form type: Form 4
Filer: Koppers Holdings Inc.
CIK: CIK 1315257
Filed: Jan 06, 2026
Reporting period: Jan 02, 2026
Description: Insider transaction

Documents

0002057699-26-000002-index.htm

Complete submission

0002057699-26-000002.txt

directory listing

Filed by

Koppers Holdings Inc.