Form CORRESP - Correspondence:
SEC Accession No. 0000950170-23-014269
Filing Date
2023-04-25
Accepted
2023-04-25 09:29:41
Documents
2

Document Format Files

Seq Description Document Type Size
1 filename1.htm CORRESP 47244
2 GRAPHIC img45813596_0.jpg GRAPHIC 5220
  Complete submission text file 0000950170-23-014269.txt   55539
Mailing Address 436 SEVENTH AVENUE PITTSBURGH PA 15219
Business Address 436 SEVENTH AVENUE PITTSBURGH PA 15219 412-227-2001
Koppers Holdings Inc. (Filer) CIK: 0001315257 (see all company filings)

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