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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000950170-23-004546
Filing Date
2023-02-27
Accepted
2023-02-27 12:07:18
Documents
132
Period of Report
2022-12-31

Document Format Files

Seq Description Document Type Size
1 10-K kop-20221231.htm   iXBRL 10-K 5998759
2 EX-10.38 kop-ex10_38.htm EX-10 104414
3 EX-21 kop-ex21.htm EX-21 82633
4 EX-23.1 kop-ex23_1.htm EX-23 4070
5 EX-24 kop-ex24.htm EX-24 83328
6 EX-31.1 kop-ex31_1.htm EX-31 16215
7 EX-31.2 kop-ex31_2.htm EX-31 16431
8 EX-32.1 kop-ex32_1.htm EX-32 20913
  Complete submission text file 0000950170-23-004546.txt   25068686

Data Files

Seq Description Document Type Size
9 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT kop-20221231_pre.xml EX-101.PRE 676564
10 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT kop-20221231_lab.xml EX-101.LAB 855063
11 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT kop-20221231.xsd EX-101.SCH 100493
12 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT kop-20221231_cal.xml EX-101.CAL 106205
13 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT kop-20221231_def.xml EX-101.DEF 381761
126 EXTRACTED XBRL INSTANCE DOCUMENT kop-20221231_htm.xml XML 6600786
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: 10-K | Act: 34 | File No.: 001-32737 | Film No.: 23671835
SIC: 2400 Lumber & Wood Products (No Furniture)