| Date Filed | Type | Description |
| 08/09/2023 |
8-K
| Quarterly results |
| 08/09/2023 |
10-Q
| Quarterly Report for the period ended June 30, 2023 |
| 08/03/2023 |
8-K/A
| Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements... |
| 07/25/2023 |
S-8
| Form S-8 - Securities to be offered to employees in employee benefit plans: |
| 07/24/2023 |
SC 13D/A
| Form SC 13D/A - General statement of acquisition of beneficial ownership: [Amend] |
| 07/17/2023 |
8-K
| Unregistered Sales of Equity Securities, Departure of Directors or Certain Officers; Election of Directors; Appointment of Ce... |
| 06/06/2023 |
8-K
| Entry into a Material Definitive Agreement, Financial Statements and Exhibits Interactive Data |
| 05/09/2023 |
8-K
| Quarterly results |
| 05/09/2023 |
10-Q
| Quarterly Report for the period ended March 31, 2023 |
| 04/27/2023 |
ARS
| Form ARS - Annual Report to Security Holders: |
| 04/27/2023 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
| 04/27/2023 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements: |
| 04/14/2023 |
8-A12B/A
| Form 8-A12B/A - Registration of securities [Section 12(b)]: [Amend] |
| 04/14/2023 |
PRE 14A
| Form PRE 14A - Other preliminary proxy statements: |
| 04/14/2023 |
8-K
| Quarterly results |
| 03/29/2023 |
8-K
| Quarterly results |
| 03/20/2023 |
SC 13D
| Form SC 13D - General statement of acquisition of beneficial ownership: |
| 03/13/2023 |
SC 13D
| McIntyre Julian Alexander reports a 7% stake in Advanced Emissions Solutions, Inc. |
| 03/13/2023 |
SC 13D/A
| Arq Ltd reports a 0.3% stake in Advanced Emissions Solutions, Inc. |
| 03/08/2023 |
8-K
| Results of Operations and Financial Condition, Financial Statements and Exhibits Interactive Data |
| 03/08/2023 |
10-K
| Annual Report for the period ended December 31, 2022 |
| 03/02/2023 |
8-K/A
| Financial Statements and Exhibits Interactive Data |
| 02/01/2023 |
8-K
| Quarterly results |
| 11/09/2022 |
425
| Form 425 - Prospectuses and communications, business combinations: |
| 11/08/2022 |
425
| Form 425 - Prospectuses and communications, business combinations: |
| 11/08/2022 |
8-K
| Quarterly results |
| 11/08/2022 |
10-Q
| Quarterly Report for the period ended September 30, 2022 |
| 11/07/2022 |
425
| Form 425 - Prospectuses and communications, business combinations: |
| 09/06/2022 |
8-K
| Entry into a Material Definitive Agreement, Regulation FD Disclosure, Financial Statements and Exhibits Inte... |
| 08/23/2022 |
425
| Form 425 - Prospectuses and communications, business combinations: |
| 08/19/2022 |
425
| Form 425 - Prospectuses and communications, business combinations: |
| 08/19/2022 |
8-K
| Quarterly results |
| 08/15/2022 |
8-K
| Quarterly results |
| 08/15/2022 |
10-Q
| Quarterly Report for the period ended June 30, 2022 |
|