8-K/AThe WireRed Alert
Executive Change
Filed May 4, 2023 · 3y ago · Accession 0000950170-23-017934
Plain English
Material event — a significant development the company must disclose promptly.
Read the source below for the full document.
Filing details
- Company
- Koppers Holdings Inc.
- Ticker
- KOP
- CIK
- 1315257
- Form type
- 8-K/A
- Filing date
- May 4, 2023
- Report date
- May 4, 2023
- Document
- kop-20230504.htm
- Size
- 170 KB