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Filing Detail
Form ARS - Annual Report to Security Holders:
SEC Accession No. 0000950170-23-011615
Filing Date
2023-04-03
Accepted
2023-04-03 16:39:36
Documents
1
Period of Report
2022-12-31
Effectiveness Date
2023-04-03

Document Format Files

Seq Description Document Type Size
1 ARS kop_ars_123122.pdf ARS 10193343
  Complete submission text file 0000950170-23-011615.txt   14040809
Mailing Address 436 SEVENTH AVENUE PITTSBURGH PA 15219
Business Address 436 SEVENTH AVENUE PITTSBURGH PA 15219 412-227-2001
Koppers Holdings Inc. (Filer) CIK: 0001315257 (see all company filings)

IRS No.: 201878963 | State of Incorp.: PA | Fiscal Year End: 1231
Type: ARS | Act: 34 | File No.: 001-32737 | Film No.: 23793325
SIC: 2400 Lumber & Wood Products (No Furniture)