Koppers Holdings Inc.
KOP- Exchange
- NYSE
- Industry
- Lumber & Wood Products (No Furniture)
- SEC CIK
- 0001315257
In the last 90 days, Koppers Holdings Inc. insiders filed 0 open-market purchases and 6 sales; 217 institutions reported holding it in 13F filings for Q2 2026, worth $871.2M in total; no superinvestor holds it.
Members of Congress who traded KOP
No member of Congress has reported a trade in Koppers Holdings Inc. since 2020.
Source: U.S. House Clerk and Senate Office of Public Records (eFD). Amounts are the ranges filers report.