Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2024-08-02 4:15 pm Purchase | 2024-07-23 | 13G | Compass Therapeutics, Inc. CMPX | Blackstone Holdings II L.P. | 9,495,151 6.900% | 9,495,151![]() (New Position) | Filing History |
| 2024-03-22 4:59 pm Unchanged | 2024-03-21 | 13D | Compass Therapeutics, Inc. CMPX | ORBIMED ADVISORS LLC | 18,791,422 13.700% | 0 (Unchanged) | Filing History |
| 2024-02-09 08:50 am Sale | 2024-02-08 | 13G | Compass Therapeutics, Inc. CMPX | FMR LLC | 4,551,506 3.570% | -1,803,308![]() (-28.38%) | Filing History |
| 2024-02-07 07:05 am Purchase | 2023-12-31 | 13G | Compass Therapeutics, Inc. CMPX | ADAGE CAPITAL PARTNERS GP L.L.C. | 9,880,000 7.750% | 2,668,200![]() (+37.00%) | Filing History |
| 2024-02-01 10:19 am Purchase | 2024-01-22 | 13G | Compass Therapeutics, Inc. CMPX | JANUS HENDERSON GROUP PLC JHG | 7,647,740 6.000% | 7,647,740![]() (New Position) | Filing History |
| 2023-11-27 4:10 pm Purchase | 2023-11-16 | 13G | Compass Therapeutics, Inc. CMPX | ADAGE CAPITAL PARTNERS GP L.L.C. | 7,211,800 5.660% | 7,211,800![]() (New Position) | Filing History |
| 2023-02-14 2:58 pm Purchase | 2022-12-31 | 13G | Compass Therapeutics, Inc. CMPX | Rock Springs Capital Management LP | 5,333,188 4.220% | 5,100![]() (+0.10%) | Filing History |
| 2023-02-13 5:20 pm Purchase | 2022-12-31 | 13G | Compass Therapeutics, Inc. CMPX | Foresite Capital Fund V L.P. | 5,954,250 4.700% | 454,250![]() (+8.26%) | Filing History |
| 2023-02-09 08:14 am Sale | 2023-02-09 | 13G | Compass Therapeutics, Inc. CMPX | FMR LLC | 6,354,814 5.035% | -517,600![]() (-7.53%) | Filing History |
| 2022-11-10 7:07 pm Purchase | 2022-11-04 | 13D | Compass Therapeutics, Inc. CMPX | Commander Aggregator, LP | 7,788,150 6.170% | 7,788,150![]() (New Position) | Filing History |
| 2022-11-10 4:25 pm Purchase | 2022-11-08 | 13D | Compass Therapeutics, Inc. CMPX | ORBIMED ADVISORS LLC | 18,791,422 14.900% | 719,875![]() (+3.98%) | Filing History |
| 2022-02-14 6:22 pm Purchase | 2021-12-31 | 13G | Compass Therapeutics, Inc. CMPX | Rock Springs Capital Management LP | 5,328,088 5.440% | 4,071![]() (+0.08%) | Filing History |
| 2022-02-09 09:11 am Purchase | 2022-02-08 | 13G | Compass Therapeutics, Inc. CMPX | FMR LLC | 6,872,414 7.010% | 2,750,000![]() (+66.71%) | Filing History |
| 2021-12-30 4:40 pm Purchase | 2021-12-20 | 13G | Compass Therapeutics, Inc. CMPX | Rock Springs Capital Management LP | 5,324,017 5.430% | 5,324,017![]() (New Position) | Filing History |
| 2021-12-17 3:14 pm Purchase | 2021-12-17 | 13G | Compass Therapeutics, Inc. CMPX | ANDERSON ERRIK | 3,546,730 3.600% | 3,546,730![]() (New Position) | Filing History |
| 2021-11-12 06:10 am Purchase | 2021-11-02 | 13G | Compass Therapeutics, Inc. CMPX | Foresite Capital Fund V L.P. | 5,500,000 5.600% | 5,500,000![]() (New Position) | Filing History |
| 2021-11-09 5:30 pm Purchase | 2021-11-04 | 13D | Compass Therapeutics, Inc. CMPX | ORBIMED ADVISORS LLC | 18,071,547 18.400% | 5,357,143![]() (+42.13%) | Filing History |
| 2021-07-14 5:08 pm Purchase | 2021-07-09 | 13D | Compass Therapeutics, Inc. CMPX | ORBIMED ADVISORS LLC | 12,714,404 20.400% | 12,714,404![]() (New Position) | Filing History |
| 2021-02-08 10:19 am Purchase | 2021-02-05 | 13G | Compass Therapeutics, Inc. CMPX | FMR LLC | 4,122,414 6.744% | 4,122,414![]() (New Position) | Filing History |

