Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000950170-23-069127
Filing Date
2023-12-08
Accepted
2023-12-08 17:52:06
Documents
1
Period of Report
2023-12-06

Document Format Files

Seq Description Document Type Size
1 4 ownership.html 4  
1 4 ownership.xml 4 12295
  Complete submission text file 0000950170-23-069127.txt   13696
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)

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

Mailing Address 400 CALGON CARBON DRIVE PITTSBURGH PA 15205
Business Address
Sullivan James A. (Reporting) CIK: 0001450800 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-32737 | Film No.: 231476542