Michael Campbell 13D and 13G filings for UPSTREAM BIOSCIENCES INC.:
- 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.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-04-01 08:00 am Purchase | 2026-03-27 | 13D | UPSTREAM BIOSCIENCES INC. UPBS | Michael Campbell | 13,066,667 43.600% | 1,566,667 (+13.62%) | Filing |
| 2024-03-14 2:35 pm Purchase | 2023-11-28 | 13D | UPSTREAM BIOSCIENCES INC. UPBS | Michael Campbell | 11,500,000 41.300% | 2,545,801 (+28.43%) | Filing |