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Filing Detail
Form 4/A - Statement of changes in beneficial ownership of securities: [Amend]
SEC Accession No. 0001209191-22-010654
Filing Date
2022-02-17
Accepted
2022-02-17 14:38:20
Documents
1
Period of Report
2022-01-05

Document Format Files

Seq Description Document Type Size
1 FORM 4/A SUBMISSION doc4a.html 4/A  
1 FORM 4/A SUBMISSION doc4a.xml 4/A 7893
  Complete submission text file 0001209191-22-010654.txt   9312
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/A | Act: 34 | File No.: 001-32737 | Film No.: 22647346