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    SEC Form SC 13G/A filed by Nektar Therapeutics (Amendment)

    2/14/24 5:03:19 PM ET
    $NKTR
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Get the next $NKTR alert in real time by email
    SC 13G/A 1 tm245429d14_sc13ga.htm SC 13G/A

     

     

      

    UNITED STATES 

    SECURITIES AND EXCHANGE COMMISSION 

    WASHINGTON, D.C. 20549

     

     

     

    SCHEDULE 13G

     

    Under the Securities Exchange Act of 1934

     

    (Amendment No. 1)*

     

    NEKTAR THERAPEUTICS 

    (Name of Issuer)

     

    Common Stock, $0.0001 par value per share
    (Title of Class of Securities)

     

    640268108 

    (CUSIP Number)

     

    December 31, 2023 

    (Date of Event Which Requires Filing of this Statement)

     

    Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

     

      ¨ Rule 13d-1(b)
      x Rule 13d-1(c)
      ¨ Rule 13d-1(d)

     

    *The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

     

    The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

      

     

     

     

     

    CUSIP No. 640268108

     

    1

    NAMES OF REPORTING PERSONS

    I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

     

    RA Capital Management, L.P.

     

    2

    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

    (a)      ¨

    (b)      ¨

     

    3

    SEC USE ONLY

     

    4

    CITIZENSHIP OR PLACE OF ORGANIZATION

     

    Delaware

      

    NUMBER OF 5

    SOLE VOTING POWER

     

    0 

    SHARES

    BENEFICIALLY

    OWNED BY

    6

    SHARED VOTING POWER

     

    0 

    EACH

    REPORTING

    PERSON

    7

    SOLE DISPOSITIVE POWER

     

    0 

    WITH: 8

    SHARED DISPOSITIVE POWER

     

    0 

    9

    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     

    0

     

    10

    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ¨

      

    11

    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

     

    0%

     

    12

    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

     

    IA, PN

     

     

     

     

      

    CUSIP No. 640268108

     

    1

    NAMES OF REPORTING PERSONS

    I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

     

    Peter Kolchinsky

     

    2

    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

    (a)       ¨

    (b)       ¨

     

    3

    SEC USE ONLY

     

    4

    CITIZENSHIP OR PLACE OF ORGANIZATION

     

    United States of America

      

     

     

    NUMBER OF

    5

    SOLE VOTING POWER

     

    0 

    SHARES

    BENEFICIALLY 

    OWNED BY 

    6

    SHARED VOTING POWER

     

    0

    EACH

    REPORTING

    PERSON

    7

    SOLE DISPOSITIVE POWER

     

    0 

    WITH: 8

    SHARED DISPOSITIVE POWER

     

    0

    9

    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     

    0

     

    10

    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ¨

      

    11

    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

     

    0%

     

    12

    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

     

    IN, HC

     

      

     

     

     

    CUSIP No. 640268108

     

    1

    NAMES OF REPORTING PERSONS

    I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

     

    Rajeev Shah

     

    2

    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

    (a)      ¨

    (b)      ¨

     

    3

    SEC USE ONLY

     

    4

    CITIZENSHIP OR PLACE OF ORGANIZATION

     

    United States of America 

     

     

     

    NUMBER OF

    5

    SOLE VOTING POWER

     

    0 

    SHARES

    BENEFICIALLY 

    OWNED BY 

    6

    SHARED VOTING POWER

     

    0

    EACH

    REPORTING

    PERSON

    7

    SOLE DISPOSITIVE POWER

     

    0 

    WITH: 8

    SHARED DISPOSITIVE POWER

     

    0

    9

    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     

    0

     

    10

    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ¨

      

    11

    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

     

    0%

     

    12

    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

     

    IN, HC

     

      

     

     

     

    CUSIP No. 640268108

     

    1

    NAMES OF REPORTING PERSONS

    I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

     

    RA Capital Healthcare Fund, L.P.

     

    2

    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

    (a)       ¨

    (b)       ¨

     

    3

    SEC USE ONLY

     

    4

    CITIZENSHIP OR PLACE OF ORGANIZATION

     

    Delaware 

     

     

     

    NUMBER OF

    5

    SOLE VOTING POWER

     

    0 

    SHARES

    BENEFICIALLY 

    OWNED BY 

    6

    SHARED VOTING POWER

     

    0

    EACH

    REPORTING

    PERSON

    7

    SOLE DISPOSITIVE POWER

     

    0 

    WITH: 8

    SHARED DISPOSITIVE POWER

     

    0

    9

    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     

    0

     

    10

    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ¨

      

    11

    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

     

    0%

     

    12

    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

     

    PN

     

      

     

     

     

    Item 1(a).Name of Issuer:

     

    Nektar Therapeutics (the “Issuer”)

     

    Item 1(b).Address of Issuer’s Principal Executive Offices:

     

    455 Mission Bay Boulevard South, San Francisco, California 94158

     

    Item 2(a).Names of Persons Filing:

     

    The names of the persons filing this report (collectively, the “Reporting Persons”) are:

    RA Capital Management, L.P. (“RA Capital”)

    Peter Kolchinsky

    Rajeev Shah

    RA Capital Healthcare Fund, L.P. (the “Fund”)

     

    Item 2(b).Address of Principal Business Office or, if None, Residence:

     

    The address of the principal business office of each of the Reporting Persons is:

    c/o RA Capital Management, L.P., 200 Berkeley Street, 18th Floor, Boston MA 02116

     

    Item 2(c).Citizenship:

     

    RA Capital and the Fund are Delaware limited partnerships. Dr. Kolchinsky and Mr. Shah are United States citizens.

     

    Item 2(d).Title of Class of Securities:

     

    Common Stock, $0.0001 par value per share (“Common Stock”)

     

    Item 2(e).CUSIP Number:

     

    640268108

     

    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:

     

    Not applicable.

     

    Item 4.Ownership.

     

    The information required by this item with respect to each Reporting Person is set forth in Rows 5 through 9 and 11 of the cover pages to this Schedule 13G.

     

     

     

     

    Item 5.Ownership of Five Percent or Less of a Class.

     

    If this statement is being filed to report the fact that as of the date hereof the Reporting Persons have ceased to be the beneficial owner of more than five percent of the class of securities, check the following     x.

     

    Item 6.Ownership of More than Five Percent on Behalf of Another Person.

     

    Not applicable.

     

    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.Certification.

     

    By signing below I certify that, to the best of my knowledge and belief, the securities referred to above 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.

     

    Exhibit List

     

    Exhibit 1: Joint Filing Agreement

     

     

     

     

    SIGNATURE

     

    After reasonable inquiry and to the best of its knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.

     

    Date:      February 14, 2024

        
    RA CAPITAL MANAGEMENT, L.P.   
        
    By: /s/ Peter Kolchinsky    
      Name: Peter Kolchinsky   
      Title: Authorized Signatory   
        
    PETER KOLCHINSKY   
        
    /s/ Peter Kolchinsky   
        
    RAJEEV SHAH   
        
    /s/ Rajeev Shah   
        
    RA CAPITAL HEALTHCARE FUND, L.P.   
        
    By: RA Capital Healthcare Fund GP, LLC    
    Its: General Partner    
        
    By: /s/ Peter Kolchinsky    
      Name: Peter Kolchinsky    
      Title: Manager    

      

     

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