Du Ying - 25 Jun 2025 Form 4 Insider Report for Zai Lab Ltd (ZLAB)

Signature
/s/ Bruce Blefeld, Attorney-in-Fact
Issuer symbol
ZLAB
Transactions as of
25 Jun 2025
Net transactions value
-$855,208
Form type
4
Filing time
27 Jun 2025, 16:15:20 UTC
Previous filing
15 May 2025
Next filing
01 Jul 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Du Ying Chairperson & CEO, Director C/O ZAI LAB LIMITED, 314 MAIN STREET, 4TH FLOOR, SUITE 100, CAMBRIDGE /s/ Bruce Blefeld, Attorney-in-Fact 27 Jun 2025 0001731790

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ZLAB American Depositary Shares Options Exercise +58,800 +12% 538,651 25 Jun 2025 Direct F1, F2, F3
transaction ZLAB American Depositary Shares Sale $855,208 -23,669 -4.4% $36.13 514,982 26 Jun 2025 Direct F1, F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction ZLAB Restricted Share Units Options Exercise $0 -58,800 -50% $0.000000 58,800 25 Jun 2025 American Depositary Shares 58,800 Direct F1, F3, F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.
F2 ADSs acquired upon vesting of Restricted Share Units ("RSUs").
F3 Each RSU represents a contingent right to receive one ADS.
F4 These ADSs were sold automatically to cover taxes upon vesting of RSUs.
F5 The RSUs vest in equal annual installments over four years beginning on 06/25/2023, the first anniversary of the date of grant. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.