| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13D/A | 2023-07-17 | Charah Holdings LP | Charah Solutions, Inc. | 0 | 0.0% | EDGAR |
| SC 13G | 2023-07-03 | Klein Roger M. | Charah Solutions, Inc. | 394,465 | 11.6% | EDGAR |
| SC 13D/A | 2023-04-21 | Charah Holdings LP | Charah Solutions, Inc. | 305,481 | 5.1% | EDGAR |
| SC 13G | 2023-04-20 | Titterton Lewis H jr | Charah Solutions, Inc. | 187,500 | 5.5% | EDGAR |
| SC 13D/A | 2023-04-18 | B. Riley Financial, Inc. | Charah Solutions, Inc. | 127,960 | 3.8% | EDGAR |
| SC 13G/A | 2023-03-08 | AMERICAN CENTURY INVESTMENT MANAGEMENT INC | Charah Solutions, Inc. | 44,895 | 1.3% | EDGAR |
| SC 13G/A | 2023-02-13 | Portolan Capital Management, LLC | Charah Solutions, Inc. | 166,819 | 5.0% | EDGAR |
| SC 13G/A | 2023-02-13 | NORTH RUN CAPITAL, LP | Charah Solutions, Inc. | 92,520 | 2.7% | EDGAR |
| SC 13G/A | 2023-02-08 | AMERICAN CENTURY INVESTMENT MANAGEMENT INC | Charah Solutions, Inc. | 170,577 | 5.0% | EDGAR |
| SC 13D/A | 2022-11-23 | Charah Holdings LP | Charah Solutions, Inc. | 3,054,816 | 5.1% | EDGAR |
| SC 13G/A | 2022-11-22 | Portolan Capital Management, LLC | Charah Solutions, Inc. | 1,782,052 | 5.3% | EDGAR |
| SC 13D/A | 2022-11-18 | Charah Holdings LP | Charah Solutions, Inc. | 2,895,036 | 4.8% | EDGAR |
| SC 13G/A | 2022-02-14 | NORTH RUN CAPITAL, LP | Charah Solutions, Inc. | 2,137,500 | 6.4% | EDGAR |
| SC 13G/A | 2022-02-04 | AMERICAN CENTURY INVESTMENT MANAGEMENT INC | Charah Solutions, Inc. | 1,953,177 | 5.8% | EDGAR |
| SC 13G/A | 2022-01-06 | Portolan Capital Management, LLC | Charah Solutions, Inc. | 3,508,947 | 10.5% | EDGAR |
| SC 13D/A | 2022-01-04 | Charah Holdings LP | Charah Solutions, Inc. | 2,826,883 | 6.6% | EDGAR |
| SC 13D | 2021-08-13 | B. Riley Financial, Inc. | Charah Solutions, Inc. | 2,888,889 | 8.6% | EDGAR |
| SC 13G/A | 2021-02-12 | Portolan Capital Management, LLC | Charah Solutions, Inc. | 2,978,524 | 9.9% | EDGAR |
| SC 13G | 2021-02-12 | NORTH RUN CAPITAL, LP | Charah Solutions, Inc. | 2,476,938 | 8.3% | EDGAR |
| SC 13G/A | 2021-02-11 | AMERICAN CENTURY INVESTMENT MANAGEMENT INC | Charah Solutions, Inc. | 2,296,625 | 7.7% | EDGAR |