MPM BioImpact LLC - 13D/13G Filings

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>>
Time period
Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2025-08-12
4:29 pm
Sale
2025-06-3013GCompass Therapeutics, Inc.
CMPX
MPM BioImpact LLC5,622,505
4.100%
-2,945,391decrease
(-34.38%)
Filing
History
2025-02-14
4:11 pm
Purchase
2024-12-3113GCompass Therapeutics, Inc.
CMPX
MPM BioImpact LLC8,567,896
6.200%
8,567,896increase
(New Position)
Filing
History
2025-01-08
4:07 pm
Purchase
2024-12-3113GContext Therapeutics Inc.
CNTX
MPM BioImpact LLC14,705,882
16.400%
14,705,882increase
(New Position)
Filing
History
2023-08-01
10:53 am
Sale
2023-08-0113DReunion Neuroscience Inc.
REUN
MPM BioImpact LLC0
0.000%
-5,129,673decrease
(Position Closed)
Filing
History
2023-06-12
5:30 pm
Purchase
2023-05-3113DReunion Neuroscience Inc.
REUN
MPM BioImpact LLC5,129,673
40.000%
5,129,673increase
(New Position)
Filing
History