Wellington Management Group Llp - Sep 30, 2025 SCHEDULE 13G Report for ZAI LAB LTD. - SB Common Stock

Filing Manager
WELLINGTON MANAGEMENT GROUP LLP
Reporting Manager
Wellington Management Group LLP
Security
ZAI LAB LTD. - SB Common Stock
Shares outstanding
1.12B shares
Disclosed Ownership
67.4M shares
Ownership
6%
Form type
SCHEDULE 13G
Date filed
11/12/2025, 09:33 AM
Date of event
Sep 30, 2025
Previous filing
Aug 12, 2025
SEC
View on sec.gov

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Wellington Management Group LLP 6% 67.4M 0 58.6M Taisia Lowe Regulatory Analyst
Wellington Group Holdings LLP 6% 67.4M 0 58.6M Taisia Lowe Regulatory Analyst
Wellington Investment Advisors Holdings LLP 6% 67.4M 0 58.6M Taisia Lowe Regulatory Analyst
Wellington Management Company LLP 5.4% 67.4M 0 55.6M Taisia Lowe Regulatory Analyst