Du Ying 4

What Happened
Du Ying, Chairperson and CEO of Zai Lab Ltd (ZLAB), reported gifts of a total 107,700 American Depositary Shares (ADS) on May 26–27, 2026. The filing shows three gift transactions: 19,857 ADS (5/26), 33,993 ADS (5/27) and 53,850 ADS (5/27). Each transaction was reported with $0 consideration (code G). Because each ADS represents ten ordinary shares (footnote F1), the transfers equal 1,077,000 ordinary shares. Per footnotes F2 and F3, the shares were transferred into trusts established for the benefit of an adult son of the reporting person.

Key Details

• Transaction dates and amounts: 2026-05-26: 19,857 ADS (G); 2026-05-27: 33,993 ADS (G) and 53,850 ADS (G). All reported at $0.
• Total ADS transferred: 107,700 ADS (equivalent to 1,077,000 ordinary shares). Total proceeds: $0.
• Reporting/filing: Period of report 2026-05-26; Form filed 2026-05-28 — appears timely (Form 4 is typically due within two business days).
• Shares owned after transaction: not specified in the filing.
• Footnotes: F1 notes ADS = 10 ordinary shares and reporting is in ADS; F2/F3 state transfers were to trusts for an adult son.
• Transaction code: G = Gift (disposition).

Context
Gifts are not sales and do not generate proceeds; they are often used for estate planning or family transfers and do not necessarily indicate the insider’s view on the company’s prospects. This filing documents transfers of beneficial ownership, not an open-market sale or purchase.