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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001209191-21-017686
Filing Date
2021-03-04
Accepted
2021-03-04 14:05:34
Documents
1
Period of Report
2021-03-02

Document Format Files

Seq Description Document Type Size
1 FORM 4 SUBMISSION doc4.html 4  
1 FORM 4 SUBMISSION doc4.xml 4 3367
  Complete submission text file 0001209191-21-017686.txt   4777
Mailing Address 436 SEVENTH AVENUE PITTSBURGH PA 15219
Business Address 436 SEVENTH AVENUE PITTSBURGH PA 15219 412-227-2001
Koppers Holdings Inc. (Issuer) CIK: 0001315257 (see all company filings)

IRS No.: 201878963 | State of Incorp.: PA | Fiscal Year End: 1231
SIC: 2400 Lumber & Wood Products (No Furniture)

Mailing Address 436 SEVENTH AVENUE PITTSBURGH PA 15219
Business Address
Apostolou Stephanie L (Reporting) CIK: 0001806249 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-32737 | Film No.: 21713539