Form 8-K - Current report:
SEC Accession No. 0000950170-24-000286
Filing Date
2024-01-02
Accepted
2024-01-02 16:30:10
Documents
14
Period of Report
2024-01-01
Items
Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
Item 8.01: Other Events
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K kop-20240101.htm   iXBRL 8-K 38747
2 EX-99.1 kop-ex99_1.htm EX-99.1 16951
3 GRAPHIC img180885081_0.jpg GRAPHIC 15002
  Complete submission text file 0000950170-24-000286.txt   196865

Data Files

Seq Description Document Type Size
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT kop-20240101_lab.xml EX-101.LAB 13466
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT kop-20240101_pre.xml EX-101.PRE 9897
6 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT kop-20240101.xsd EX-101.SCH 2463
8 EXTRACTED XBRL INSTANCE DOCUMENT kop-20240101_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)

EIN.: 201878963 | State of Incorp.: PA | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-32737 | Film No.: 24502874
SIC: 2400 Lumber & Wood Products (No Furniture)
(CF Office: 04 Manufacturing)