Skip to content
S
SEC Filings Hub
Explore
Search firms, companies, tickers…
Ctrl/⌘ K
Live feed
Filing
Form 4
Form 4
0000950170-25-053731
·
Koppers Holdings Inc.
Filer
Filing index
Filing metadata
Accession number
0000950170-25-053731
Form type
Form 4
Filer
Koppers Holdings Inc.
CIK
CIK 1315257
Filed
Apr 14, 2025
Reporting period
Apr 11, 2025
Description
Insider transaction
Documents
Filing index
0000950170-25-053731-index.htm
Complete submission
0000950170-25-053731.txt
All documents
directory listing
Filed by
Koppers Holdings Inc.
CIK 1315257
Explore SEC Filings Hub
Overview
Explore
Funds & firms
Most held stocks
Politicians
Company insiders
Policy & Legislation
Research
Compare investors
Find a security
Latest filings