| SC 13D/A | 2024-01-31 | McIntyre Julian Alexander | Advanced Emissions Solutions, Inc. | 3,044,836 | 11.4% | EDGAR |
| SC 13D/A | 2023-07-24 | Blank Jeremy | Advanced Emissions Solutions, Inc. | 2,248,757 | 6.8% | EDGAR |
| SC 13D | 2023-03-20 | Blank Jeremy | Advanced Emissions Solutions, Inc. | 1,453,453 | 5.4% | EDGAR |
| SC 13D/A | 2023-03-13 | Arq Ltd | Advanced Emissions Solutions, Inc. | 83,999 | 0.3% | EDGAR |
| SC 13D | 2023-03-13 | McIntyre Julian Alexander | Advanced Emissions Solutions, Inc. | 1,868,811 | 7.0% | EDGAR |
| SC 13D | 2023-02-14 | Arq Ltd | Advanced Emissions Solutions, Inc. | 3,814,864 | 14.2% | EDGAR |
| SC 13G/A | 2022-02-14 | Apollo Management Holdings GP, LLC | Advanced Emissions Solutions, Inc. | 0 | 0.0% | EDGAR |
| SC 13G/A | 2022-02-10 | ADAGE CAPITAL PARTNERS GP, L.L.C. | Advanced Emissions Solutions, Inc. | 919,900 | 4.9% | EDGAR |
| SC 13G/A | 2021-07-12 | BlackRock Inc. | Advanced Emissions Solutions, Inc. | 366,689 | 1.9% | EDGAR |
| SC 13G | 2021-02-12 | Apollo Management Holdings GP, LLC | Advanced Emissions Solutions, Inc. | 233,063 | 1.3% | EDGAR |
| SC 13G/A | 2021-02-10 | VANGUARD GROUP INC | Advanced Emissions Solutions, Inc. | 861,714 | 4.6% | EDGAR |
| SC 13G/A | 2021-01-29 | BlackRock Inc. | Advanced Emissions Solutions, Inc. | 1,210,360 | 6.5% | EDGAR |
| SC 13G | 2020-12-28 | ADAGE CAPITAL PARTNERS GP, L.L.C. | Advanced Emissions Solutions, Inc. | 950,000 | 5.1% | EDGAR |
| SC 13G/A | 2020-10-09 | BlackRock Inc. | Advanced Emissions Solutions, Inc. | 1,160,106 | 6.3% | EDGAR |
| SC 13G/A | 2020-02-13 | Apollo Management Holdings GP, LLC | Advanced Emissions Solutions, Inc. | 118,679 | 0.6% | EDGAR |
| SC 13G/A | 2020-02-12 | VANGUARD GROUP INC | Advanced Emissions Solutions, Inc. | 1,053,378 | 5.7% | EDGAR |
| SC 13G/A | 2020-02-04 | BlackRock Inc. | Advanced Emissions Solutions, Inc. | 2,486,213 | 13.4% | EDGAR |
| SC 13G/A | 2019-02-14 | Greywolf Capital Management LP | Advanced Emissions Solutions, Inc. | 705,000 | 3.5% | EDGAR |
| SC 13G/A | 2019-02-13 | Apollo Management Holdings GP, LLC | Advanced Emissions Solutions, Inc. | 192,825 | 1.0% | EDGAR |
| SC 13G | 2019-02-11 | VANGUARD GROUP INC | Advanced Emissions Solutions, Inc. | 1,037,113 | 5.2% | EDGAR |