Rtw Investments, Lp - Jun 30, 2025 SCHEDULE 13G Report for Zai Lab Limited Ordinary Shares, par value $0.000006 per share (ZLAB)

Filing Manager: RTW INVESTMENTS, LP
Reporting Manager: RTW Investments, LP
Security: Zai Lab Limited Ordinary Shares, par value $0.000006 per share
Symbol: ZLAB
Shares outstanding: 1.09B shares
Disclosed Ownership: 55.4M shares
Ownership: 5.1%
Form type: SCHEDULE 13G
Date filed: 8/14/2025, 08:14 AM
Date of event: Jun 30, 2025
Next filing: Nov 14, 2025
SEC: View on sec.gov

Reporting Managers (2)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
RTW Investments, LP	5.1%	55.4M	0	55.4M	/s/ Roderick Wong, M.D.	By Roderick Wong, M.D., Managing Partner
Roderick Wong	5.1%	55.4M	0	55.4M	/s/ Roderick Wong, M.D.	Roderick Wong, M.D.