Form 144 - Report of proposed sale of securities:
SEC Accession No. 0001959173-24-007723
Filing Date
2024-11-12
Accepted
2024-11-12 12:45:46
Documents
1

Document Format Files

Seq Description Document Type Size
1 primary_doc.html 144  
1 primary_doc.xml 144 3379
  Complete submission text file 0001959173-24-007723.txt   4857
Mailing Address 436 SEVENTH AVENUE PITTSBURGH PA 15219
Business Address 436 SEVENTH AVENUE PITTSBURGH PA 15219 412-227-2001
Koppers Holdings Inc. (Subject) CIK: 0001315257 (see all company filings)

EIN.: 201878963 | State of Incorp.: PA | Fiscal Year End: 1231
Type: 144 | Act: 33 | File No.: 001-32737 | Film No.: 241446173
SIC: 2400 Lumber & Wood Products (No Furniture)
(CF Office: 04 Manufacturing)

Mailing Address 436 SEVENTH AVENUE PITTSBURGH PA 15219
Business Address
Pearce Bradley A (Reporting) CIK: 0001776180 (see all company filings)

Type: 144