Form 8-K - Current report:
SEC Accession No. 0000950170-22-026465
Filing Date
2022-12-13
Accepted
2022-12-13 16:31:01
Documents
15
Period of Report
2022-12-07
Items
Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K kop-20221207.htm   iXBRL 8-K 80433
2 EX-10.1 kop-ex10_1.htm EX-10.1 146122
3 EX-10.2 kop-ex10_2.htm EX-10.2 180305
4 EX-10.3 kop-ex10_3.htm EX-10.3 192208
  Complete submission text file 0000950170-22-026465.txt   795061

Data Files

Seq Description Document Type Size
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT kop-20221207_pre.xml EX-101.PRE 9897
6 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT kop-20221207.xsd EX-101.SCH 2463
7 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT kop-20221207_lab.xml EX-101.LAB 13474
9 EXTRACTED XBRL INSTANCE DOCUMENT kop-20221207_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.: 221460074
SIC: 2400 Lumber & Wood Products (No Furniture)