Chauncey Lennis Thompson 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 |
| 2026-04-23 4:09 pm Purchase | 2026-04-23 | 13D | UPSTREAM BIOSCIENCES INC. UPBS | Chauncey Lennis Thompson | 23,783,263 58.810% | 6,000,000 (+33.74%) | Filing |
| 2026-04-01 2:51 pm Purchase | 2026-03-16 | 13D | UPSTREAM BIOSCIENCES INC. UPBS | Chauncey Lennis Thompson | 17,783,263 51.600% | 14,283,263 (+408.09%) | Filing |
| 2025-12-18 06:07 am Purchase | 2025-12-15 | 13D | UPSTREAM BIOSCIENCES INC. UPBS | Chauncey Lennis Thompson | 3,500,000 12.000% | 1,000,000 (+40.00%) | Filing |
| 2025-08-13 4:43 pm Purchase | 2025-07-22 | 13D | UPSTREAM BIOSCIENCES INC. UPBS | Chauncey Lennis Thompson | 2,500,000 8.900% | 2,500,000 (New Position) | Filing |