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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001564590-22-006039
Filing Date
2022-02-23
Accepted
2022-02-23 08:05:33
Documents
135
Period of Report
2021-12-31

Document Format Files

Seq Description Document Type Size
1 10-K kop-10k_20211231.htm   iXBRL 10-K 5618547
2 EX-10.48 kop-ex1048_322.htm EX-10.48 169548
3 EX-10.49 kop-ex1049_323.htm EX-10.49 99944
4 EX-10.50 kop-ex1050_324.htm EX-10.50 140553
5 EX-10.51 kop-ex1051_325.htm EX-10.51 128399
6 EX-21 kop-ex21_6.htm EX-21 62138
7 EX-23.1 kop-ex231_8.htm EX-23.1 2570
8 EX-24 kop-ex24_10.htm EX-24 46242
9 EX-31.1 kop-ex311_11.htm EX-31.1 14175
10 EX-31.2 kop-ex312_12.htm EX-31.2 14205
11 EX-32.1 kop-ex321_7.htm EX-32.1 10062
  Complete submission text file 0001564590-22-006039.txt   24570253

Data Files

Seq Description Document Type Size
12 XBRL TAXONOMY EXTENSION SCHEMA kop-20211231.xsd EX-101.SCH 99399
13 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE kop-20211231_cal.xml EX-101.CAL 110027
14 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE kop-20211231_def.xml EX-101.DEF 359937
15 XBRL TAXONOMY EXTENSION LABEL LINKBASE kop-20211231_lab.xml EX-101.LAB 827712
16 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE kop-20211231_pre.xml EX-101.PRE 684702
129 EXTRACTED XBRL INSTANCE DOCUMENT kop-10k_20211231_htm.xml XML 6357762
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.: 22660648
SIC: 2400 Lumber & Wood Products (No Furniture)