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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000950170-23-037727
Filing Date
2023-08-03
Accepted
2023-08-03 12:07:34
Documents
95
Period of Report
2023-06-30

Document Format Files

Seq Description Document Type Size
1 10-Q kop-20230630.htm   iXBRL 10-Q 3792909
2 EX-10.1 kop-ex10_1.htm EX-10.1 16494
3 EX-10.2 kop-ex10_2.htm EX-10.2 92526
4 EX-31.1 kop-ex31_1.htm EX-31.1 17955
5 EX-31.2 kop-ex31_2.htm EX-31.2 17508
6 EX-32.1 kop-ex32_1.htm EX-32.1 13114
7 GRAPHIC img66068867_0.jpg GRAPHIC 4847
  Complete submission text file 0000950170-23-037727.txt   18366776

Data Files

Seq Description Document Type Size
8 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT kop-20230630_pre.xml EX-101.PRE 459597
9 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT kop-20230630_def.xml EX-101.DEF 247862
10 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT kop-20230630_lab.xml EX-101.LAB 584319
11 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT kop-20230630.xsd EX-101.SCH 72126
12 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT kop-20230630_cal.xml EX-101.CAL 77825
89 EXTRACTED XBRL INSTANCE DOCUMENT kop-20230630_htm.xml XML 5313384
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-Q | Act: 34 | File No.: 001-32737 | Film No.: 231138876
SIC: 2400 Lumber & Wood Products (No Furniture)