| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13D/A | 2020-11-23 | Charah Holdings LP | Charah Solutions, Inc. | 2,926,003 | 7.4% | EDGAR |
| SC 13G/A | 2020-10-28 | CEP HOLDINGS, INC. | Charah Solutions, Inc. | 1,476,808 | 4.9% | EDGAR |
| SC 13G | 2020-07-20 | Portolan Capital Management, LLC | Charah Solutions, Inc. | 1,784,180 | 6.0% | EDGAR |
| SC 13D | 2020-03-26 | Charah Holdings LP | Charah Solutions, Inc. | 2,926,003 | 9.9% | EDGAR |
| SC 13G/A | 2020-02-12 | CEP HOLDINGS, INC. | Charah Solutions, Inc. | 4,537,377 | 15.3% | EDGAR |
| SC 13G/A | 2020-02-11 | AMERICAN CENTURY INVESTMENT MANAGEMENT INC | Charah Solutions, Inc. | 2,005,000 | 6.8% | EDGAR |
| SC 13G | 2019-11-07 | AMERICAN CENTURY INVESTMENT MANAGEMENT INC | Charah Solutions, Inc. | 2,005,000 | 6.8% | EDGAR |
| SC 13G | 2019-04-29 | CEP HOLDINGS, INC. | Charah Solutions, Inc. | 4,605,465 | 15.2% | EDGAR |
| SC 13G | 2019-02-08 | Charah Holdings LP | Charah Solutions, Inc. | 2,926,003 | 9.7% | EDGAR |