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
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- Peter Lynch
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| Reported DateTime |
Transaction Date |
Type | Company Symbol |
Filed By Symbol |
Shares Owned % Owned |
Shares Vs. Prev Report | View |
| 2025-04-11 7:21 pm Sale |
2024-04-09 | 13D | Compass Therapeutics, Inc. CMPX |
ORBIMED ADVISORS LLC | 15,219,994 11.000% |
-3,571,428 (-19.01%) |
Filing History |
| 2025-02-14 4:11 pm Purchase |
2024-12-31 | 13G | Compass Therapeutics, Inc. CMPX |
MPM BioImpact LLC | 8,567,896 6.200% |
8,567,896 (New Position) |
Filing History |
| 2025-02-12 09:39 am Sale |
2024-12-31 | 13G | Compass Therapeutics, Inc. CMPX |
ADAGE CAPITAL PARTNERS GP LLC | 5,994,810 4.360% |
-3,885,190 (-39.32%) |
Filing History |
| 2025-02-04 3:45 pm Purchase |
2024-12-31 | 13G | Compass Therapeutics, Inc. CMPX |
BLACKROCK INC BLK |
6,887,615 5.000% |
6,887,615 (New Position) |
Filing History |
| 2025-01-16 5:17 pm Purchase |
2025-01-08 | 13G | Compass Therapeutics, Inc. CMPX |
TANG CAPITAL MANAGEMENT LLC | 7,400,000 5.400% |
7,400,000 (New Position) |
Filing History |
| 2024-11-14 10:00 am Sale |
2024-09-30 | 13G | Compass Therapeutics, Inc. CMPX |
JANUS HENDERSON GROUP PLC JHG |
1,843,286 1.300% |
-5,804,454 (-75.90%) |
Filing History |
| 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 CORP | 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 LLC | 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 LLC | 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 CORP | 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 CORP | 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 |