| Date Filed | Type | Description |
| 02/12/2021 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 2.1% stake in Dycom Industries Inc. |
| 02/12/2021 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 2.6% stake in Koppers Holdings Inc. |
| 02/14/2020 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals: |
| 02/14/2020 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 4.9% stake in Dycom Industries Inc. |
| 02/14/2019 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 2.6% stake in Clean Harbors Inc. |
| 02/14/2019 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 4.5% stake in Aegion Corp. |
| 02/14/2019 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 3% stake in The Brink’ s Company |
| 02/14/2019 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 3% stake in Darling Ingredients Inc. |
| 02/14/2019 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 2.7% stake in Diebold Nixdorf Inc. |
| 02/14/2019 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 3% stake in Knowles Corp. |
| 02/14/2019 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 9.8% stake in Koppers Holdings Inc. |
| 02/14/2019 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals: |
| 02/14/2019 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 3.1% stake in The Timken Co. |
| 02/14/2018 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 7.3% stake in Clean Harbors Inc. |
| 02/14/2018 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 7.4% stake in Murphy USA Inc. |
| 02/14/2018 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 5.4% stake in The Timken Co. |
| 02/14/2018 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 7.1% stake in Knowles Corp. |
| 02/14/2018 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 5.1% stake in Aegion Corp. |
| 02/14/2018 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 9.2% stake in Diebold Nixdorf Inc. |
| 02/14/2018 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 0% stake in Chicago Bridge & Iron Co. NV |
| 02/14/2018 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 3.7% stake in Koppers Holdings Inc. |
| 02/14/2018 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 9% stake in Darling Ingredients Inc. |
| 06/02/2017 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals: |
| 02/14/2017 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals: |
| 02/14/2017 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 4.7% stake in Trinity Industries Inc. |
| 02/14/2017 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 6.3% stake in The Timken Co. |
| 02/14/2017 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals |
| 02/14/2017 |
SC 13G
| Koppers Holdings Inc. reports a 5.4% stake in Koppers Holdings Inc. |
| 02/14/2017 |
SC 13G
| Knowles Corp reports a 7.1% stake in Knowles Corp. |
| 02/14/2017 |
SC 13G
| DARLING INGREDIENTS INC. reports a 10.7% stake in Darling Ingredients Inc. |
| 02/14/2017 |
SC 13G
| CARBO CERAMICS INC reports a 0% stake in CARBO Ceramics Inc. |
| 02/14/2017 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 6.9% stake in Clean Harbors Inc. |
| 02/14/2017 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 6.1% stake in Chicago Bridge & Iron Co. NV |
| 02/14/2017 |
SC 13G
| SOUTHERNSUN ASSET MANAGEMENT, LLC reports a 4.1% stake in The Brink’ s Company |
|