SOUTHERNSUN ASSET MANAGEMENT LLC 13D and 13G filings for Koppers Holdings Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2021-02-12 10:57 am Sale | 2020-12-31 | 13G | Koppers Holdings Inc. KOP | SOUTHERNSUN ASSET MANAGEMENT LLC | 556,509 2.640% | -393,915 (-41.45%) | Filing |
| 2020-02-14 11:36 am Sale | 2019-12-31 | 13G | Koppers Holdings Inc. KOP | SOUTHERNSUN ASSET MANAGEMENT LLC | 950,424 4.600% | -1,061,221 (-52.75%) | Filing |