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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001564590-21-007979
Filing Date
2021-02-24
Accepted
2021-02-24 14:08:01
Documents
140
Period of Report
2020-12-31

Document Format Files

Seq Description Document Type Size
1 10-K kop-10k_20201231.htm   iXBRL 10-K 5891095
2 EX-10.40 kop-ex1040_328.htm EX-10.40 98308
3 EX-10.41 kop-ex1041_327.htm EX-10.41 137057
4 EX-10.42 kop-ex1042_325.htm EX-10.42 129182
5 EX-10.43 kop-ex1043_326.htm EX-10.43 99171
6 EX-10.44 kop-ex1044_329.htm EX-10.44 7559
7 EX-21 kop-ex21_7.htm EX-21 67586
8 EX-23.1 kop-ex231_9.htm EX-23.1 3741
9 EX-24 kop-ex24_6.htm EX-24 47052
10 EX-31.1 kop-ex311_12.htm EX-31.1 14176
11 EX-31.2 kop-ex312_13.htm EX-31.2 14156
12 EX-32.1 kop-ex321_10.htm EX-32.1 10014
  Complete submission text file 0001564590-21-007979.txt   25203772

Data Files

Seq Description Document Type Size
13 XBRL TAXONOMY EXTENSION SCHEMA kop-20201231.xsd EX-101.SCH 103426
14 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE kop-20201231_cal.xml EX-101.CAL 120469
15 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE kop-20201231_def.xml EX-101.DEF 377746
16 XBRL TAXONOMY EXTENSION LABEL LINKBASE kop-20201231_lab.xml EX-101.LAB 865390
17 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE kop-20201231_pre.xml EX-101.PRE 720999
18 EXTRACTED XBRL INSTANCE DOCUMENT kop-10k_20201231_htm.xml XML 6486979
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.: 21671363
SIC: 2400 Lumber & Wood Products (No Furniture)