FilingIndex
10-QThe Record

Koppers Holdings Inc. files 10-Q

Filed May 8, 2026 · 1mo ago · Accession 0001315257-26-000038

Plain English

Quarterly report — three-month financials and management discussion.

Read the source below for the full document.

Read the original on SEC.gov ↗
Filing details
Ticker
KOP
CIK
1315257
Form type
10-Q
Filing date
May 8, 2026
Report date
Mar 31, 2026
Document
kop-20260331.htm
Size
7.3 MB