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 |