4 | SEC Filings Hub

Filing metadata

Accession number: 0001209191-23-049281
Form type: Form 4
Filer: Koppers Holdings Inc.
CIK: CIK 1315257
Filed: Sep 13, 2023
Reporting period: Sep 11, 2023
Description: Insider transaction

Documents

0001209191-23-049281-index.htm

Complete submission

0001209191-23-049281.txt

directory listing

Filed by

Koppers Holdings Inc.