| Issuer | % of Class | Filed | ||||
|---|---|---|---|---|---|---|
| Schedule 13D · 1 security · may seek to influence control | ||||||
|
Koppers Holdings Inc.
13D/A
KOP · 50060P106
|
5.6% |
10/22/2026
Event 10/20/2026
|
||||
| Simcoe Capital Management, LLC | 5.6% | |||||
| Simcoe Partners L P | 4.6% | |||||
| Simcoe Select, LP | 0.8% | |||||
| Simcoe Management Company, LLC | 5.4% | |||||
| SDR Partners, LLC | 0.2% | |||||
| Jacobowitz Jeffrey | 5.6% | |||||
Includes filings since 12/18/2024, when the SEC began requiring structured 13D and 13G data.