08/15/2025
4:28 PM | Compass Therapeutics (Subject)
ORBIMED ADVISORS LLC (Filed by)
| Form SCHEDULE 13D/A | |
08/14/2025
3:15 PM | Compass Therapeutics (Subject)
TANG CAPITAL MANAGEMENT LLC (Filed by)
| Form SCHEDULE 13G/A | |
08/14/2025
9:49 AM | Compass Therapeutics (Subject)
RTW INVESTMENTS, LP (Filed by)
| Form SCHEDULE 13G/A | |
08/14/2025
7:05 AM | Compass Therapeutics (Subject)
RTW INVESTMENTS, LP (Filed by)
| Form SCHEDULE 13G/A | |
08/13/2025
7:21 PM | Compass Therapeutics (Subject)
SUVRETTA CAPITAL MANAGEMENT, LLC (Filed by)
| Form SCHEDULE 13G | |
08/13/2025
4:05 PM | Compass Therapeutics (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/12/2025
3:29 PM | Compass Therapeutics (Subject)
MPM BioImpact LLC (Filed by)
| Form SCHEDULE 13G/A | |
08/12/2025
3:19 PM | Compass Therapeutics (Filer)
| Form 424B5 | |
08/11/2025
6:00 AM | Compass Therapeutics (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/11/2025
6:01 AM | Compass Therapeutics (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
07/16/2025
6:02 PM | BlackRock, Inc. (Filed by)
Compass Therapeutics (Subject)
| Form SCHEDULE 13G/A | |
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05/27/2025
2:24 PM | Compass Therapeutics (Issuer)
Schuetz Thomas J. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/08/2025
7:00 AM | Compass Therapeutics (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/08/2025
7:01 AM | Compass Therapeutics (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
04/29/2025
12:27 PM | Compass Therapeutics (Filer)
| Form DEFA14A | |
04/29/2025
7:30 AM | Compass Therapeutics (Filer)
| Form DEF 14A | |
04/29/2025
7:30 AM | Compass Therapeutics (Filer)
| Form ARS | |
04/11/2025
6:37 PM | Compass Therapeutics (Issuer)
GORDON CARL L (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
04/11/2025
6:21 PM | Compass Therapeutics (Subject)
ORBIMED ADVISORS LLC (Filed by)
| Form SCHEDULE 13D/A | |
04/11/2025
6:24 PM | Compass Therapeutics (Issuer)
ORBIMED ADVISORS LLC (Reporting)
OrbiMed Capital GP VI LLC (Reporting)
OrbiMed Genesis GP LLC (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
04/09/2025
5:51 PM | Compass Therapeutics (Subject)
ORBIMED CAPITAL LLC (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
04/09/2025
5:58 PM | Compass Therapeutics (Subject)
ORBIMED ADVISORS LLC (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
04/08/2025
8:25 AM | Compass Therapeutics (Issuer)
Lerner Neil (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
04/08/2025
8:30 AM | Anderman Jonathan (Reporting)
Compass Therapeutics (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
04/01/2025
6:00 AM | Compass Therapeutics (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
03/27/2025
5:39 AM | Compass Therapeutics (Filer)
| Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans | |
02/27/2025
7:30 AM | Compass Therapeutics (Filer)
| Form 10-K
Annual report pursuant to Section 13 or 15(d) | |
02/27/2025
7:00 AM | Compass Therapeutics (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
02/13/2025
4:10 PM | Compass Therapeutics (Issuer)
GRAY MARY ANN (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/13/2025
4:11 PM | Compass Therapeutics (Issuer)
Lerner Neil (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/13/2025
4:11 PM | Compass Therapeutics (Issuer)
LINDAHL RICHARD S (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/13/2025
4:12 PM | Compass Therapeutics (Issuer)
Schuetz Thomas J. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/13/2025
4:12 PM | Compass Therapeutics (Issuer)
Shin Barry (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/13/2025
4:05 PM | Boylan James P (Reporting)
Compass Therapeutics (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/13/2025
4:08 PM | Compass Therapeutics (Issuer)
GORDON CARL L (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/13/2025
4:09 PM | Anderman Jonathan (Reporting)
Compass Therapeutics (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/13/2025
4:09 PM | Chiniara Ellen (Reporting)
Compass Therapeutics (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/12/2025
8:39 AM | ADAGE CAPITAL PARTNERS GP, L.L.C. (Filed by)
Compass Therapeutics (Subject)
| Form SCHEDULE 13G/A | |
02/11/2025
9:37 AM | Compass Therapeutics (Issuer)
Schuetz Thomas J. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/16/2025
4:17 PM | Compass Therapeutics (Subject)
TANG CAPITAL MANAGEMENT LLC (Filed by)
| Form SCHEDULE 13G | |
01/13/2025
7:30 AM | Compass Therapeutics (Issuer)
Schuetz Thomas J. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
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01/08/2025
7:00 AM | Compass Therapeutics (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
12/10/2024
1:00 PM | Compass Therapeutics (Issuer)
Lerner Neil (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
12/10/2024
1:01 PM | Compass Therapeutics (Issuer)
Shin Barry (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
12/10/2024
1:02 PM | Compass Therapeutics (Issuer)
Shin Barry (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/10/2024
7:00 AM | Compass Therapeutics (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
11/14/2024
9:00 AM | Compass Therapeutics (Subject)
JANUS HENDERSON GROUP PLC (Filed by)
| Form SC 13G/A | |
09/08/2024
11:15 PM | Compass Therapeutics (Filer)
| Form EFFECT | |
08/30/2024
4:23 PM | Compass Therapeutics (Filer)
| Form S-3
Registration statement under Securities Act of 1933 | |
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