Michael Campbell - 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
2026-04-01
08:00 am
Purchase
2026-03-2713DUPSTREAM BIOSCIENCES INC.
UPBS
Michael Campbell13,066,667
43.600%
1,566,667increase
(+13.62%)
Filing
History
2024-03-14
2:35 pm
Purchase
2023-11-2813DUPSTREAM BIOSCIENCES INC.
UPBS
Michael Campbell11,500,000
41.300%
2,545,801increase
(+28.43%)
Filing
History