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    Amendment: SEC Form SCHEDULE 13G/A filed by Zentalis Pharmaceuticals Inc.

    5/13/25 5:30:16 PM ET
    $ZNTL
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Get the next $ZNTL alert in real time by email



    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549


    SCHEDULE 13G


    UNDER THE SECURITIES EXCHANGE ACT OF 1934
    (Amendment No. 4)


    Zentalis Pharmaceuticals, Inc.

    (Name of Issuer)


    Common Stock, $0.001 par value per share

    (Title of Class of Securities)


    98943L107

    (CUSIP Number)


    03/31/2025

    (Date of Event Which Requires Filing of this Statement)


    Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
    Checkbox checked   Rule 13d-1(b)
    Checkbox not checked   Rule 13d-1(c)
    Checkbox not checked   Rule 13d-1(d)






    SCHEDULE 13G

    CUSIP No.
    98943L107


    1Names of Reporting Persons

    Eventide Asset Management, LLC
    2Check the appropriate box if a member of a Group (see instructions)

    Checkbox not checked  (a)
    Checkbox not checked  (b)
    3Sec Use Only
    4Citizenship or Place of Organization

    DELAWARE
    Number of Shares Beneficially Owned by Each Reporting Person With:
    5Sole Voting Power

    0.00
    6Shared Voting Power

    0.00
    7Sole Dispositive Power

    0.00
    8Shared Dispositive Power

    0.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    0.00
    10Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

    Checkbox not checked
    11Percent of class represented by amount in row (9)

    0 %
    12Type of Reporting Person (See Instructions)

    IA


    SCHEDULE 13G

    CUSIP No.
    98943L107


    1Names of Reporting Persons

    Finny Kuruvilla, M.D. Ph. D.
    2Check the appropriate box if a member of a Group (see instructions)

    Checkbox not checked  (a)
    Checkbox not checked  (b)
    3Sec Use Only
    4Citizenship or Place of Organization

    UNITED STATES
    Number of Shares Beneficially Owned by Each Reporting Person With:
    5Sole Voting Power

    0.00
    6Shared Voting Power

    0.00
    7Sole Dispositive Power

    0.00
    8Shared Dispositive Power

    0.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    0.00
    10Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

    Checkbox not checked
    11Percent of class represented by amount in row (9)

    0 %
    12Type of Reporting Person (See Instructions)

    HC, IN


    SCHEDULE 13G

    CUSIP No.
    98943L107


    1Names of Reporting Persons

    Robin C. John
    2Check the appropriate box if a member of a Group (see instructions)

    Checkbox not checked  (a)
    Checkbox not checked  (b)
    3Sec Use Only
    4Citizenship or Place of Organization

    UNITED STATES
    Number of Shares Beneficially Owned by Each Reporting Person With:
    5Sole Voting Power

    0.00
    6Shared Voting Power

    0.00
    7Sole Dispositive Power

    0.00
    8Shared Dispositive Power

    0.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    0.00
    10Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

    Checkbox not checked
    11Percent of class represented by amount in row (9)

    0 %
    12Type of Reporting Person (See Instructions)

    HC, IN


    SCHEDULE 13G

    Item 1. 
    (a)Name of issuer:

    Zentalis Pharmaceuticals, Inc.
    (b)Address of issuer's principal executive offices:

    10275 Science Center Drive, Suite 200, San Diego, CA, 92121
    Item 2. 
    (a)Name of person filing:

    (i) Eventide Asset Management, LLC ("Eventide") (ii) Finny Kuruvilla, M.D., Ph.D. ("Kuruvilla") (iii) Robin C. John ("John")
    (b)Address or principal business office or, if none, residence:

    Eventide, Kuruvilla and John: One International Place, Suite 4210 Boston, Massachusetts 02110
    (c)Citizenship:

    Eventide: Delaware Kuruvilla: United States John: United States
    (d)Title of class of securities:

    Common Stock, $0.001 par value per share
    (e)CUSIP No.:

    98943L107
    Item 3.If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
    (a)Checkbox not checked   Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
    (b)Checkbox not checked   Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
    (c)Checkbox not checked   Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
    (d)Checkbox not checked   Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
    (e)Checkbox checked   An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
    (f)Checkbox not checked   An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
    (g)Checkbox checked   A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
    (h)Checkbox not checked   A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
    (i)Checkbox not checked   A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
    (j)Checkbox not checked   A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
           please specify the type of institution:
    (k)Checkbox not checked   Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
     
    Item 4.Ownership
    (a)Amount beneficially owned:

    (i) Eventide: 0 (ii) Kuruvilla: 0 (iii) John: 0
    (b)Percent of class:

    (i) Eventide: 0% (ii) Kuruvilla: 0% (iii) John: 0%
    (c)Number of shares as to which the person has:
     (i) Sole power to vote or to direct the vote:

    (1) Eventide: 0 (2) Kuruvilla: 0 (3) John: 0

     (ii) Shared power to vote or to direct the vote:

    (1) Eventide: 0 (2) Kuruvilla: 0 (3) John: 0

     (iii) Sole power to dispose or to direct the disposition of:

    (1) Eventide: 0 (2) Kuruvilla: 0 (3) John: 0

     (iv) Shared power to dispose or to direct the disposition of:

    (1) Eventide: 0 (2) Kuruvilla: 0 (3) John: 0

    Item 5.Ownership of 5 Percent or Less of a Class.
     
    Checkbox checked    Ownership of 5 percent or less of a class
    Item 7.Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
     
    Not Applicable
    Item 8.Identification and Classification of Members of the Group.
     
    Not Applicable
    Item 9.Notice of Dissolution of Group.
     
    Not Applicable

    Item 10.Certifications:
     
    By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

        SIGNATURE 
     
    After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

     
    Eventide Asset Management, LLC
     
    Signature:/s/ Peter J. Luiso
    Name/Title:Peter J. Luiso, General Counsel
    Date:05/14/2025
     
    Finny Kuruvilla, M.D. Ph. D.
     
    Signature:/s/ Finny Kuruvilla, M.D., Ph. D.
    Name/Title:Finny Kuruvilla, M.D., Ph. D.
    Date:05/14/2025
     
    Robin C. John
     
    Signature:/s/ Finny Kuruvilla, M.D., Ph. D.
    Name/Title:Finny Kuruvilla, M.D., Ph. D.
    Date:05/14/2025
    Exhibit Information

    EXHIBIT 1 WHEREAS, in accordance with Rule 13d-1(k)(1) under the Securities and Exchange Act of 1934 (the "Act"), only one joint Statement and any amendments thereto need to be filed whenever one or more persons are required to file such a Statement or any amendments thereto pursuant to Section 13(d) of the Act with respect to the same securities, provided that said persons agree in writing that such Statement or amendments thereto is filed on behalf of each of them; NOW, THEREFORE, the parties hereto agree as follows: Eventide Asset Management, LLC, Finny Kuruvilla, M.D., Ph. D. and Robin C. John do hereby agree, in accordance with Rule 13d-1(k)(1) under the Act, to file a Statement on Schedule 13G relating to their ownership of the Common Stock of the Issuer, and do hereby further agree that said Statement on Schedule 13G shall be filed on behalf of each of them. Eventide Asset Management, LLC Date: May 14, 2025 By: /s/ Peter J. Luiso Name: Peter J. Luiso Title: General Counsel Date: May 14, 2025 Finny Kuruvilla, M.D., Ph. D. By: /s/ Finny Kuruvilla, M.D., Ph. D. Name: Finny Kuruvilla, M.D., Ph. D. Date: May 14, 2025 Robin C. John By: /s/ Robin C. John Name: Robin C. John

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