Schedule 13G ownership disclosure
Koppers Holdings Inc
Common Stock · CUSIP: 50060P106
Event date: 2026-09-30
- Filing-level shares
- 954,282
- Percent of class
- 5.04%
- Vanguard Capital Management
Shares: 954,282 · Class: 5.04%
Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.
Source: SEC EDGAR filingFiling metadata
- Accession number
- 0002100119-26-001629
- Form type
- SCHEDULE 13G
- Filer
- VANGUARD CAPITAL MANAGEMENT LLC
- CIK
- CIK 2100119
- Filed
- Oct 30, 2026
- Reporting period
- Sep 30, 2026
- Description
- Schedule 13G beneficial ownership