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    Chief Legal Officer Edmondson Frazor Titus Iii converted options into 17,258 units of American Depositary Shares and sold $156,821 worth of American Depositary Shares (4,369 units at $35.89), increasing direct ownership by 90% to 27,217 units (SEC Form 4)

    4/3/25 5:07:23 PM ET
    $ZLAB
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Get the next $ZLAB alert in real time by email
    SEC FORM 4 SEC Form 4
    FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549

    STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

    Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
    or Section 30(h) of the Investment Company Act of 1940
    OMB APPROVAL
    OMB Number: 3235-0287
    Estimated average burden
    hours per response: 0.5
      
    Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
      
    Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
    1. Name and Address of Reporting Person*
    Edmondson Frazor Titus III

    (Last) (First) (Middle)
    C/O ZAI LAB LIMITED
    314 MAIN STREET, 4TH FLOOR, SUITE 100

    (Street)
    CAMBRIDGE MA 02142

    (City) (State) (Zip)
    2. Issuer Name and Ticker or Trading Symbol
    Zai Lab Ltd [ ZLAB ]
    5. Relationship of Reporting Person(s) to Issuer
    (Check all applicable)
    Director 10% Owner
    X Officer (give title below) Other (specify below)
    Chief Legal Officer
    3. Date of Earliest Transaction (Month/Day/Year)
    04/01/2025
    4. If Amendment, Date of Original Filed (Month/Day/Year)
    6. Individual or Joint/Group Filing (Check Applicable Line)
    X Form filed by One Reporting Person
    Form filed by More than One Reporting Person
    Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
    1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
    Code V Amount (A) or (D) Price
    American Depositary Shares(1) 04/01/2025 M 2,671(2) A (3) 16,999 D
    American Depositary Shares(1) 04/01/2025 M 830(2) A (3) 17,829 D
    American Depositary Shares(1) 04/01/2025 M 13,757(2) A (3) 31,586 D
    American Depositary Shares(1) 04/02/2025 S 4,369(4) D $35.894 27,217 D
    Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
    (e.g., puts, calls, warrants, options, convertible securities)
    1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
    Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
    Restricted Share Units (3) 04/01/2025 M 2,671 (5) (5) American Depositary Shares(1) 2,671 $0 5,342 D
    Restricted Share Units (3) 04/01/2025 M 830 (6) (6) American Depositary Shares(1) 830 $0 830 D
    Restricted Share Units (3) 04/01/2025 M 13,757 (7) (7) American Depositary Shares(1) 13,757 $0 41,274 D
    Explanation of Responses:
    1. 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.
    2. ADSs acquired upon vesting of Restricted Share Units ("RSUs").
    3. Each RSU represents a contingent right to receive one ADS.
    4. These ADSs were sold automatically to cover taxes upon vesting of RSUs.
    5. The RSUs vest in equal annual installments over five years beginning on 04/01/2023, the first anniversary of the date of grant. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.
    6. The RSUs vest in equal annual installments over five years beginning on 04/01/2022, the first anniversary of the date of grant. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.
    7. The RSUs vest in equal annual installments over four years beginning on 04/01/2025, the first anniversary of the date of grant, subject to continuous service. Vested shares will be delivered to the reporting person following vesting.
    /s/ Bruce Blefeld, Attorney-in-Fact 04/03/2025
    ** Signature of Reporting Person Date
    Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
    * If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
    ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
    Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
    Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
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