Rtw Investments, Lp - Sep 30, 2025 SCHEDULE 13G/A 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: 22.9M shares
Ownership: 2.1%
Form type: SCHEDULE 13G/A
Date filed: 11/14/2025, 08:35 AM
Date of event: Sep 30, 2025
Previous filing: Aug 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	2.1%	22.9M	0	22.9M	/s/ Roderick Wong, M.D.	By Roderick Wong, M.D., Managing Partner
Roderick Wong	2.1%	22.9M	0	22.9M	/s/ Roderick Wong, M.D.	Roderick Wong, M.D.