| Issuer | % of Class | Filed | |||
|---|---|---|---|---|---|
|
Koppers Holdings Inc.
13D/A
Amendment 1
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% | ||||
|
Koppers Holdings Inc.
13D
KOP · 50060P106
|
7.0% |
5/19/2026
Event 5/12/2026
|
|||
| Simcoe Capital Management, LLC | 7.0% | ||||
| Simcoe Partners L P | 6.4% | ||||
| Simcoe Select, LP | 0.5% | ||||
| Simcoe Management Company, LLC | 6.8% | ||||
| SDR Partners, LLC | 0.2% | ||||
| Jacobowitz Jeffrey | 7.0% | ||||
Includes filings since 12/18/2024, when the SEC began requiring structured 13D and 13G data.