Granahan Investment Management LLC 13D and 13G filings for Castle 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 |
| 2024-11-14 4:40 pm Sale |
2024-09-30 | 13G | Castle Biosciences, Inc. CSTL |
Granahan Investment Management LLC | 425,220 1.530% |
-1,741,251 (-80.37%) |
Filing |
| 2024-02-14 09:00 am Purchase |
2023-12-31 | 13G | Castle Biosciences, Inc. CSTL |
Granahan Investment Management LLC | 2,166,471 8.050% |
2,166,471 (New Position) |
Filing |