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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0000950170-23-048041
Filing Date
2023-09-14
Accepted
2023-09-14 08:32:28
Documents
14
Period of Report
2023-09-14
Items
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K kop-20230914.htm   iXBRL 8-K 46348
2 EX-99.1 kop-ex99_1.htm EX-99.1 31088
3 GRAPHIC img180885081_0.jpg GRAPHIC 15002
  Complete submission text file 0000950170-23-048041.txt   221278

Data Files

Seq Description Document Type Size
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT kop-20230914_lab.xml EX-101.LAB 13474
5 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT kop-20230914.xsd EX-101.SCH 2463
6 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT kop-20230914_pre.xml EX-101.PRE 9897
8 EXTRACTED XBRL INSTANCE DOCUMENT kop-20230914_htm.xml XML 4718
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: 8-K | Act: 34 | File No.: 001-32737 | Film No.: 231254090
SIC: 2400 Lumber & Wood Products (No Furniture)