RTW Investments, LP 13D and 13G filings for Zai Lab Limited:
- 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 |
| 2026-02-17 08:56 am Purchase | 2025-12-31 | 13G | ZAI LAB LTD ZLAB | RTW Investments, LP | 69,590,320 6.300% | 46,676,600 (+203.71%) | Filing |
| 2025-11-14 08:35 am Sale | 2025-09-30 | 13G | ZAI LAB LTD ZLAB | RTW Investments, LP | 22,913,720 2.100% | -32,455,040 (-58.62%) | Filing |
| 2025-08-14 08:14 am Purchase | 2025-06-30 | 13G | ZAI LAB LTD ZLAB | RTW Investments, LP | 55,368,760 5.100% | 55,368,760 (New Position) | Filing |