RTW INVESTMENTS LP 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 |
| 2026-05-15 08:10 am Purchase | 2026-03-31 | 13G | CASTLE BIOSCIENCES INC CSTL | RTW INVESTMENTS LP | 2,758,335 9.300% | 643,098 (+30.40%) | Filing |
| 2026-02-17 08:31 am Purchase | 2025-12-31 | 13G | CASTLE BIOSCIENCES INC CSTL | RTW INVESTMENTS LP | 2,115,237 7.200% | 2,115,237 (New Position) | Filing |