Form 8-K - Current report:
SEC Accession No. 0001193125-23-254683
Filing Date
2023-10-12
Accepted
2023-10-12 08:46:01
Documents
15
Period of Report
2023-10-11
Items
Item 1.01: Entry into a Material Definitive Agreement
Item 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K d520430d8k.htm   iXBRL 8-K 28651
2 EX-10.1 d520430dex101.htm EX-10.1 1338503
3 EX-99.1 d520430dex991.htm EX-99.1 11522
7 GRAPHIC g520430dsp210.jpg GRAPHIC 4959
  Complete submission text file 0001193125-23-254683.txt   1837652

Data Files

Seq Description Document Type Size
4 XBRL TAXONOMY EXTENSION SCHEMA kop-20231011.xsd EX-101.SCH 2848
5 XBRL TAXONOMY EXTENSION LABEL LINKBASE kop-20231011_lab.xml EX-101.LAB 17236
6 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE kop-20231011_pre.xml EX-101.PRE 10812
9 EXTRACTED XBRL INSTANCE DOCUMENT d520430d8k_htm.xml XML 3193
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.: 231321791
SIC: 2400 Lumber & Wood Products (No Furniture)