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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000950170-24-053683
Filing Date
2024-05-06
Accepted
2024-05-06 17:10:11
Documents
1
Period of Report
2024-05-02

Document Format Files

Seq Description Document Type Size
1 4 ownership.html 4  
1 4 ownership.xml 4 8247
  Complete submission text file 0000950170-24-053683.txt   9632
Mailing Address
Business Address
WILKERSON SONJA MICHELLE (Reporting) CIK: 0001245155 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-32737 | Film No.: 24918537

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)
(CF Office: 04 Manufacturing)