| Date Filed | Type | Description |
| 08/03/2023 |
10-Q
| Quarterly Report for the period ended June 30, 2023 |
| 08/03/2023 |
8-K
| Quarterly results |
| 05/04/2023 |
10-Q
| Quarterly Report for the period ended March 31, 2023 |
| 05/04/2023 |
8-K
| Quarterly results |
| 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: |
| 04/24/2023 |
8-K
| Quarterly results |
| 03/15/2023 |
10-K
| Annual Report for the period ended December 31, 2022 |
| 03/10/2023 |
8-K
| Regulation FD Disclosure Interactive Data |
| 02/24/2023 |
8-K
| Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements... |
| 02/14/2023 |
SC 13G/A
| Rock Springs Capital Management LP reports a 4.2% stake in Compass Therapeutics, Inc. |
| 02/13/2023 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/10/2023 |
8-K
| Quarterly results |
| 02/09/2023 |
SC 13G/A
| FMR LLC reports a 5% stake in COMPASS THERAPEUTICS INC |
| 01/24/2023 |
424B3
| Form 424B3 - Prospectus [Rule 424(b)(3)]: |
| 01/23/2023 |
EFFECT
| Form EFFECT - Notice of Effectiveness: |
| 01/19/2023 |
8-K
| Other Events, Financial Statements and Exhibits Interactive Data |
| 12/02/2022 |
S-3
| Form S-3 - Registration statement under Securities Act of 1933: |
| 11/29/2022 |
8-K
| Quarterly results |
| 11/10/2022 |
SC 13D
| Commander Aggregator, LP reports a 6.2% stake in Compass Therapeutics, Inc. |
| 11/10/2022 |
SC 13D/A
| ORBIMED ADVISORS LLC reports a 14.9% stake in Compass Therapeutics, Inc. |
| 11/09/2022 |
10-Q
| Quarterly Report for the period ended September 30, 2022 |
| 11/02/2022 |
8-K
| Quarterly results |
| 08/19/2022 |
8-K
| Quarterly results |
| 08/01/2022 |
424B5
| Form 424B5 - Prospectus [Rule 424(b)(5)]: |
| 08/01/2022 |
8-K
| Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Financial Statements and Exhibits... |
| 08/01/2022 |
10-Q
| Quarterly Report for the period ended June 30, 2022 |
| 05/31/2022 |
8-K
| Quarterly results |
| 05/18/2022 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
| 05/09/2022 |
10-Q
| Quarterly Report for the period ended March 31, 2022 |
| 05/04/2022 |
8-K
| Quarterly results |
| 04/28/2022 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements: |
| 04/26/2022 |
8-K
| Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements... |
|