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    SEC Form SC 13D/A filed by Jasper Therapeutics Inc. (Amendment)

    2/12/24 6:00:28 PM ET
    $JSPR
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care
    Get the next $JSPR alert in real time by email
    SC 13D/A 1 d661434dsc13da.htm SC 13D/A SC 13D/A

     

     

    UNITED STATES

    SECURITIES AND EXCHANGE COMMISSION

    Washington, D.C. 20549

     

     

    SCHEDULE 13D

    Under the Securities Exchange Act of 1934

    (Amendment No. 3)*

     

     

    Jasper Therapeutics, Inc.

    (Name of Issuer)

    Voting Common Stock, par value $0.0001 per share

    (Title of Class of Securities)

    471871103

    (CUSIP Number)

    Jeffrey Ferguson

    The Carlyle Group

    1001 Pennsylvania Avenue, NW

    Suite 220 South

    Washington, D.C. 20004

    (202) 729-5626

    (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

    February 8, 2024

    (Date of Event Which Requires Filing of This Statement)

     

     

    If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), Rule 13d-1(f) or Rule 13d-1(g), check the following box. ☐

     

     

    Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7(b) for other parties to whom copies are to be sent.

     

     

     

    *

    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 disclosures provided in a prior cover page.

    The information required on 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. 471871103   13D   Page 1 of 15 pages

     

     1   

     Names of Reporting Persons

     

     The Carlyle Group Inc.

     2  

     Check the Appropriate Box if a Member of a Group

     (a) ☐  (b) ☐

     

     3  

     SEC Use Only

     

     4  

     Source of Funds (See Instructions)

     

     OO

     5  

     Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

     

     ☐

     6  

     Citizenship or Place of Organization

     

     Delaware

    NUMBER OF

    SHARES

     BENEFICIALLY 

    OWNED BY

    EACH

    REPORTING

    PERSON

    WITH

     

        7    

     Sole Voting Power

     

     0

        8   

     Shared Voting Power

     

      1,066,189

        9   

     Sole Dispositive Power

     

     0

       10   

     Shared Dispositive Power

     

      1,066,189

    11   

     Aggregate Amount Beneficially Owned by Each Reporting Person

     

     1,066,189

    12  

     Check if the Aggregate Amount in Row (11) Excludes Certain Shares

     

     ☐

    13  

     Percent of Class Represented by Amount in Row (11)

     

     7.1%

    14  

     Type of Reporting Person

     

     CO


    CUSIP No. 471871103   13D   Page 2 of 15 pages

     

     1   

     Names of Reporting Persons

     

     Carlyle Holdings I GP Inc.

     2  

     Check the Appropriate Box if a Member of a Group

     (a) ☐  (b) ☐

     

     3  

     SEC Use Only

     

     4  

     Source of Funds (See Instructions)

     

     OO

     5  

     Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

     

     ☐

     6  

     Citizenship or Place of Organization

     

     Delaware

    NUMBER OF

    SHARES

     BENEFICIALLY 

    OWNED BY

    EACH

    REPORTING

    PERSON

    WITH

     

        7    

     Sole Voting Power

     

     0

        8   

     Shared Voting Power

     

     1,066,189

        9   

     Sole Dispositive Power

     

     0

       10   

     Shared Dispositive Power

     

     1,066,189

    11   

     Aggregate Amount Beneficially Owned by Each Reporting Person

     

     1,066,189

    12  

     Check if the Aggregate Amount in Row (11) Excludes Certain Shares

     

     ☐

    13  

     Percent of Class Represented by Amount in Row (11)

     

     7.1%

    14  

     Type of Reporting Person

     

     CO


    CUSIP No. 471871103   13D   Page 3 of 15 pages

     

     1   

     Names of Reporting Persons

     

     Carlyle Holdings I GP Sub L.L.C.

     2  

     Check the Appropriate Box if a Member of a Group

     (a) ☐  (b) ☐

     

     3  

     SEC Use Only

     

     4  

     Source of Funds (See Instructions)

     

     OO

     5  

     Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

     

     ☐

     6  

     Citizenship or Place of Organization

     

     Delaware

    NUMBER OF

    SHARES

     BENEFICIALLY 

    OWNED BY

    EACH

    REPORTING

    PERSON

    WITH

     

        7    

     Sole Voting Power

     

     0

        8   

     Shared Voting Power

     

     1,066,189

        9   

     Sole Dispositive Power

     

     0

       10   

     Shared Dispositive Power

     

     1,066,189

    11   

     Aggregate Amount Beneficially Owned by Each Reporting Person

     

     1,066,189

    12  

     Check if the Aggregate Amount in Row (11) Excludes Certain Shares

     

     ☐

    13  

     Percent of Class Represented by Amount in Row (11)

     

     7.1%

    14  

     Type of Reporting Person

     

     OO (Limited Liability Company)


    CUSIP No. 471871103   13D   Page 4 of 15 pages

     

     1   

     Names of Reporting Persons

     

     Carlyle Holdings I L.P.

     2  

     Check the Appropriate Box if a Member of a Group

     (a) ☐  (b) ☐

     

     3  

     SEC Use Only

     

     4  

     Source of Funds (See Instructions)

     

     OO

     5  

     Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

     

     ☐

     6  

     Citizenship or Place of Organization

     

     Delaware

    NUMBER OF

    SHARES

     BENEFICIALLY 

    OWNED BY

    EACH

    REPORTING

    PERSON

    WITH

     

        7    

     Sole Voting Power

     

     0

        8   

     Shared Voting Power

     

     1,066,189

        9   

     Sole Dispositive Power

     

     0

       10   

     Shared Dispositive Power

     

     1,066,189

    11   

     Aggregate Amount Beneficially Owned by Each Reporting Person

     

     1,066,189

    12  

     Check if the Aggregate Amount in Row (11) Excludes Certain Shares

     

     ☐

    13  

     Percent of Class Represented by Amount in Row (11)

     

     7.1%

    14  

     Type of Reporting Person

     

     PN


    CUSIP No. 471871103   13D   Page 5 of 15 pages

     

     1   

     Names of Reporting Persons

     

     CG Subsidiary Holdings L.L.C.

     2  

     Check the Appropriate Box if a Member of a Group

     (a) ☐  (b) ☐

     

     3  

     SEC Use Only

     

     4  

     Source of Funds (See Instructions)

     

     OO

     5  

     Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

     

     ☐

     6  

     Citizenship or Place of Organization

     

     Delaware

    NUMBER OF

    SHARES

     BENEFICIALLY 

    OWNED BY

    EACH

    REPORTING

    PERSON

    WITH

     

        7    

     Sole Voting Power

     

     0

        8   

     Shared Voting Power

     

      1,066,189

        9   

     Sole Dispositive Power

     

     0

       10   

     Shared Dispositive Power

     

      1,066,189

    11   

     Aggregate Amount Beneficially Owned by Each Reporting Person

     

     1,066,189

    12  

     Check if the Aggregate Amount in Row (11) Excludes Certain Shares

     

     ☐

    13  

     Percent of Class Represented by Amount in Row (11)

     

     7.1%

    14  

     Type of Reporting Person

     

     OO (Limited Liability Company)


    CUSIP No. 471871103   13D   Page 6 of 15 pages

     

     1   

     Names of Reporting Persons

     

     TC Group, L.L.C.

     2  

     Check the Appropriate Box if a Member of a Group

     (a) ☐  (b) ☐

     

     3  

     SEC Use Only

     

     4  

     Source of Funds (See Instructions)

     

     OO

     5  

     Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

     

     ☐

     6  

     Citizenship or Place of Organization

     

     Delaware

    NUMBER OF

    SHARES

     BENEFICIALLY 

    OWNED BY

    EACH

    REPORTING

    PERSON

    WITH

     

        7    

     Sole Voting Power

     

     0

        8   

     Shared Voting Power

     

      1,066,189

        9   

     Sole Dispositive Power

     

     0

       10   

     Shared Dispositive Power

     

      1,066,189

    11   

     Aggregate Amount Beneficially Owned by Each Reporting Person

     

     1,066,189

    12  

     Check if the Aggregate Amount in Row (11) Excludes Certain Shares

     

     ☐

    13  

     Percent of Class Represented by Amount in Row (11)

     

     7.1%

    14  

     Type of Reporting Person

     

     OO (Limited Liability Company)


    CUSIP No. 471871103   13D   Page 7 of 15 Pages

     

     1   

     Names of Reporting Persons

     

     Carlyle Investment Management L.L.C.

     2  

     Check the Appropriate Box if a Member of a Group

     (a) ☐  (b) ☐

     

     3  

     SEC Use Only

     

     4  

     Source of Funds (See Instructions)

     

     OO

     5  

     Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

     

     ☐

     6  

     Citizenship or Place of Organization

     

     Delaware

    NUMBER OF

    SHARES

     BENEFICIALLY 

    OWNED BY

    EACH

    REPORTING

    PERSON

    WITH

     

        7    

     Sole Voting Power

     

     0

        8   

     Shared Voting Power

     

      1,066,189

        9   

     Sole Dispositive Power

     

     0

       10   

     Shared Dispositive Power

     

      1,066,189

    11   

     Aggregate Amount Beneficially Owned by Each Reporting Person

     

     1,066,189

    12  

     Check if the Aggregate Amount in Row (11) Excludes Certain Shares

     

     ☐

    13  

     Percent of Class Represented by Amount in Row (11)

     

     7.1%

    14  

     Type of Reporting Person

     

     OO (Limited Liability Company)


    CUSIP No. 471871103   13D   Page 8 of 15 pages

     

     1   

     Names of Reporting Persons

     

     Carlyle Genesis UK LLC

     2  

     Check the Appropriate Box if a Member of a Group

     (a) ☐  (b) ☐

     

     3  

     SEC Use Only

     

     4  

     Source of Funds (See Instructions)

     

     OO

     5  

     Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

     

     ☐

     6  

     Citizenship or Place of Organization

     

     Delaware

    NUMBER OF

    SHARES

     BENEFICIALLY 

    OWNED BY

    EACH

    REPORTING

    PERSON

    WITH

     

        7    

     Sole Voting Power

     

     0

        8   

     Shared Voting Power

     

      1,066,189

        9   

     Sole Dispositive Power

     

     0

       10   

     Shared Dispositive Power

     

      1,066,189

    11   

     Aggregate Amount Beneficially Owned by Each Reporting Person

     

     1,066,189

    12  

     Check if the Aggregate Amount in Row (11) Excludes Certain Shares

     

     ☐

    13  

     Percent of Class Represented by Amount in Row (11)

     

     7.1%

    14  

     Type of Reporting Person

     

     OO (Limited Liability Company)


    CUSIP No. 471871103   13D   Page 9 of 15 pages

     

     1   

     Names of Reporting Persons

     

     Abingworth LLP

     2  

     Check the Appropriate Box if a Member of a Group

     (a) ☐  (b) ☐

     

     3  

     SEC Use Only

     

     4  

     Source of Funds (See Instructions)

     

     OO

     5  

     Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

     

     ☐

     6  

     Citizenship or Place of Organization

     

     England and Wales

    NUMBER OF

    SHARES

     BENEFICIALLY 

    OWNED BY

    EACH

    REPORTING

    PERSON

    WITH

     

        7    

     Sole Voting Power

     

     0

        8   

     Shared Voting Power

     

      1,066,189

        9   

     Sole Dispositive Power

     

     0

       10   

     Shared Dispositive Power

     

      1,066,189

    11   

     Aggregate Amount Beneficially Owned by Each Reporting Person

     

     1,066,189

    12  

     Check if the Aggregate Amount in Row (11) Excludes Certain Shares

     

     ☐

    13  

     Percent of Class Represented by Amount in Row (11)

     

     7.1%

    14  

     Type of Reporting Person

     

     PN


    CUSIP No. 471871103   13D   Page 10 of 15 pages

     

     

     1   

     Names of Reporting Persons

     

     Abingworth Bioventures VII LP

     2  

     Check the Appropriate Box if a Member of a Group

     (a) ☐  (b) ☐

     

     3  

     SEC Use Only

     

     4  

     Source of Funds (See Instructions)

     

     OO

     5  

     Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

     

     ☐

     6  

     Citizenship or Place of Organization

     

     England and Wales

    NUMBER OF

    SHARES

     BENEFICIALLY 

    OWNED BY

    EACH

    REPORTING

    PERSON

    WITH

     

        7    

     Sole Voting Power

     

     0

        8   

     Shared Voting Power

     

      1,066,189

        9   

     Sole Dispositive Power

     

     0

       10   

     Shared Dispositive Power

     

      1,066,189

    11   

     Aggregate Amount Beneficially Owned by Each Reporting Person

     

     1,066,189

    12  

     Check if the Aggregate Amount in Row (11) Excludes Certain Shares

     

     ☐

    13  

     Percent of Class Represented by Amount in Row (11)

     

     7.1%

    14  

     Type of Reporting Person

     

     PN


    CUSIP No. 471871103   13D   Page 11 of 15 pages

     

    Explanatory Note

    This Amendment No. 3 to Schedule 13D (“Amendment No. 3”) amends and supplements the Schedule 13D originally filed with the United States Securities and Exchange Commission on October 4, 2021 (as amended to date, the “Schedule 13D”), relating to the shares of voting common stock, par value $0.0001 per share (the “Common Stock”), of Jasper Therapeutics, Inc., a Delaware corporation (the “Issuer”). Capitalized terms used herein without definition shall have the meanings set forth in the Schedule 13D.

     

    Item 3.

    Identity and Background.

    Item 3 of the Schedule 13D is hereby amended and supplemented as follows:

    On February 8, 2024, Abingworth Bioventures VII LP purchased 190,000 shares of newly-issued Common Stock at a price of $12.95 per share in an underwritten public offering conducted by the Issuer (the “Offering”). Abingworth Bioventures VII LP used investment capital to purchase the shares of Common Stock.


    CUSIP No. 471871103   13D   Page 12 of 15 pages

     

    Item 5.

    Interest in Securities of the Issuer.

    Item 5 of the Schedule 13D is hereby amended and restated in its entirety as follows:

    (a) – (b) The following sets forth, as of the date of this Schedule 13D, the aggregate number of shares of Common Stock and percentage of Common Stock beneficially owned by each of the Reporting Persons, as well as the number of shares of Common Stock as to which each Reporting Person has the sole power to vote or to direct the vote, shared power to vote or to direct the vote, sole power to dispose or to direct the disposition of, or shared power to dispose or to direct the disposition of, as of the date hereof, based on 14,984,912 shares of Common Stock outstanding as of February 8, 2024, following the completion of the Offering. The amount of Common Stock reported herein reflects a 1-for-10 reverse stock split effected by the Issuer on January 4, 2024.

     

    Reporting Person

       Amount
    beneficially
    owned
         Percent
    of class
        Sole
    power to
    vote or to
    direct the
    vote
         Shared
    power to
    vote or to
    direct the
    vote
         Sole
    power to
    dispose or
    to direct
    the
    disposition
         Shared
    power to
    dispose or
    to direct
    the
    disposition
     

    The Carlyle Group Inc.

         1,066,189        7.1 %      0        1,066,189        0        1,066,189  

    Carlyle Holdings I GP Inc.

         1,066,189        7.1 %      0        1,066,189        0        1,066,189  

    Carlyle Holdings I GP Sub L.L.C.

         1,066,189        7.1 %      0        1,066,189        0        1,066,189  

    Carlyle Holdings I L.P.

         1,066,189        7.1 %      0        1,066,189        0        1,066,189  

    CG Subsidiary Holdings L.L.C.

         1,066,189        7.1 %      0        1,066,189        0        1,066,189  

    TC Group, L.L.C.

         1,066,189        7.1 %      0        1,066,189        0        1,066,189  

    Carlyle Investment Management L.L.C.

         1,066,189        7.1 %      0        1,066,189        0        1,066,189  

    Carlyle Genesis UK LLC

         1,066,189        7.1 %      0        1,066,189        0        1,066,189  

    Abingworth LLP

         1,066,189        7.1 %      0        1,066,189        0        1,066,189  

    Abingworth Bioventures VII LP

         1,066,189        7.1 %      0        1,066,189        0        1,066,189  

    The shares of Common Stock reported herein are held of record by Abingworth Bioventures VII LP.

    The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq, is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities reported herein, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the managing member of Carlyle Investment Management, L.L.C., which is the sole member of Carlyle Genesis UK LLC, which is the principal member of Abingworth LLP. Abingworth Bioventures VII LP has delegated to Abingworth LLP all investment and dispositive power over the securities held of record by Abingworth Bioventures VII LP. Accordingly, each of the foregoing entities may be deemed to share beneficial ownership of the securities held of record by Abingworth Bioventures VII LP.


    CUSIP No. 471871103   13D   Page 13 of 15 pages

     

    (c)

    Except as disclosed in Item 3 herein, the Reporting Persons have not effected any transactions with respect to the Common Stock during the past 60 days.

     

    (d)

    None.

     

    (e)

    Not applicable.

     

    Item 7.

    Materials to be Filed as Exhibits.

    Item 7 of the Schedule 13D is hereby amended and supplemented as follows:

     

    Exhibit
    Number

      

    Description

    1    Joint Filing Agreement (previously filed)
    4    Power of Attorney.


    CUSIP No. 471871103   13D   Page 14 of 15 pages

     

    SIGNATURES

    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.

    Date: February 12, 2024

     

    The Carlyle Group Inc.
    By:  

    /s/ Anne Frederick, attorney-in-fact

    Name:   John C. Redett
    Title:   Chief Financial Officer
    Carlyle Holdings I GP Inc.
    By:  

    /s/ Anne Frederick, attorney-in-fact

    Name:   John C. Redett
    Title:   Managing Director and Chief Financial Officer
    Carlyle Holdings I GP Sub L.L.C.
    By: Carlyle Holdings I GP Inc., its sole member
    By:  

    /s/ Anne Frederick, attorney-in-fact

    Name:   John C. Redett
    Title:   Managing Director and Chief Financial Officer
    Carlyle Holdings I L.P.
    By:  

    /s/ Anne Frederick, attorney-in-fact

    Name:   John C. Redett
    Title:   Managing Director
    CG Subsidiary Holdings L.L.C.
    By:  

    /s/ Anne Frederick, attorney-in-fact

    Name:   John C. Redett
    Title:   Managing Director
    TC Group, L.L.C.
    By:  

    /s/ Anne Frederick, attorney-in-fact

    Name:   John C. Redett
    Title:   Managing Director


    CUSIP No. 471871103   13D   Page 15 of 15 pages

     

    Carlyle Investment Management L.L.C.
    By:  

    /s/ Anne Frederick, attorney-in-fact

    Name:   John C. Redett
    Title:   Chief Financial Officer
    Carlyle Genesis UK LLC
    By: Carlyle Investment Management L.L.C., its sole member
    By:  

    /s/ Anne Frederick, attorney-in-fact

    Name:   John C. Redett
    Title:   Chief Financial Officer
    Abingworth LLP
    By:  

    /s/ John Heard

    Name:   John Heard
    Title:   Authorized Signatory
    Abingworth Bioventures VII LP
    By:  

    /s/ John Heard

    Name:   John Heard
    Title:   Authorized Signatory
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    Recent Analyst Ratings for
    $JSPR

    DatePrice TargetRatingAnalyst
    1/13/2026$17.00Buy
    Rodman & Renshaw
    7/8/2025$4.00Outperform → Market Perform
    BMO Capital Markets
    7/8/2025$5.00Outperform → Sector Perform
    RBC Capital Mkts
    7/7/2025Overweight → Neutral
    Cantor Fitzgerald
    7/7/2025Outperform → Mkt Perform
    William Blair
    2/13/2025$38.00Buy
    UBS
    12/6/2024$63.00Outperform
    BMO Capital Markets
    9/9/2024$70.00Mkt Outperform
    JMP Securities
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    $JSPR
    Insider Purchases

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    Director Wiggans Thomas G bought $99,630 worth of Voting Common Stock (41,000 units at $2.43) (SEC Form 4)

    4 - Jasper Therapeutics, Inc. (0001788028) (Issuer)

    9/24/25 4:01:57 PM ET
    $JSPR
    Biotechnology: Biological Products (No Diagnostic Substances)
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    Director Lucas Svetlana bought $48,600 worth of Voting Common Stock (20,000 units at $2.43) (SEC Form 4)

    4 - Jasper Therapeutics, Inc. (0001788028) (Issuer)

    9/24/25 4:01:38 PM ET
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    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    President and CEO Martell Ron bought $99,630 worth of Voting Common Stock (41,000 units at $2.43), increasing direct ownership by 124% to 74,118 units (SEC Form 4)

    4 - Jasper Therapeutics, Inc. (0001788028) (Issuer)

    9/24/25 4:01:19 PM ET
    $JSPR
    Biotechnology: Biological Products (No Diagnostic Substances)
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    Press Releases

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    Jasper Therapeutics Reports Positive Updated Data from Briquilimab Studies in Chronic Spontaneous Urticaria

    67% of additional patients (n=6) enrolled in the BEACON study achieved a complete response at 12 weeks with a mean UAS7 reduction of 31 points  75% of CSU participants (n=36) enrolled in the open label extension study achieved a complete response or well controlled disease at 12 weeks With a median duration of follow up of more than 200 days on 63 participants in the open label extension study, KIT related AEs were low in frequency and predominantly low-grade events that resolved while on study BEACON and open label extension data sets are now sufficient to select doses for the Phase 2b study of briquilimab in CSU planned to commence in the second half of 2026 Company to host conference

    1/8/26 7:00:00 AM ET
    $JSPR
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    Jasper Therapeutics Appoints Jeet Mahal as Chief Executive Officer to Lead Next Phase of Clinical Growth

    Thomas Wiggans appointed Executive Chairperson  Jasper to host an investor webinar on January 8th at 8:00am ET to present updated data from the BEACON study in CSU and the open-label extension study in CSU and CIndU REDWOOD CITY, Calif., Jan. 07, 2026 (GLOBE NEWSWIRE) -- Jasper Therapeutics, Inc. (NASDAQ:JSPR) (Jasper or the Company), a clinical stage biotechnology company focused on development of briquilimab, a novel antibody therapy targeting KIT (CD117) to address mast cell driven diseases such as chronic spontaneous urticaria (CSU), chronic inducible urticaria (CIndU) and asthma, announced that its Board of Directors has appointed Jeet Mahal as President and Chief Executive Officer

    1/7/26 4:30:00 PM ET
    $JSPR
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    Jasper Therapeutics Reports Positive Preliminary Data from ETESIAN Study of Briquilimab in Asthma and Findings from BEACON Study Internal Investigation

    Reductions in airway hyperresponsiveness and suppressed eosinophilic response at both 6 weeks and 12 weeks observed after a single 180mg dose of Briquilimab in the ETESIAN Study Preliminary data from ETESIAN study supports further development of briquilimab in asthma Jasper also announces completion of internal BEACON study investigation noting no deviations or issues with drug product utilized Jasper to host conference call and webinar today at 8:00 a.m. ET REDWOOD CITY, Calif., Dec. 02, 2025 (GLOBE NEWSWIRE) -- Jasper Therapeutics, Inc. (NASDAQ:JSPR) (Jasper), a clinical stage biotechnology company focused on development of briquilimab, a novel antibody therapy targeting KIT (CD117)

    12/2/25 7:00:00 AM ET
    $JSPR
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    Rodman & Renshaw initiated coverage on Jasper Therapeutics with a new price target

    Rodman & Renshaw initiated coverage of Jasper Therapeutics with a rating of Buy and set a new price target of $17.00

    1/13/26 10:20:49 AM ET
    $JSPR
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    Jasper Therapeutics downgraded by BMO Capital Markets with a new price target

    BMO Capital Markets downgraded Jasper Therapeutics from Outperform to Market Perform and set a new price target of $4.00

    7/8/25 8:30:26 AM ET
    $JSPR
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    Jasper Therapeutics downgraded by RBC Capital Mkts with a new price target

    RBC Capital Mkts downgraded Jasper Therapeutics from Outperform to Sector Perform and set a new price target of $5.00

    7/8/25 8:30:05 AM ET
    $JSPR
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    Insider Trading

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    SEC Form 4 filed by President, CEO and Director Martell Ron

    4 - Jasper Therapeutics, Inc. (0001788028) (Issuer)

    1/5/26 7:30:55 PM ET
    $JSPR
    Biotechnology: Biological Products (No Diagnostic Substances)
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    SEC Form 4 filed by Chief Operating Officer Mahal Jeetinder Singh

    4 - Jasper Therapeutics, Inc. (0001788028) (Issuer)

    1/5/26 7:30:34 PM ET
    $JSPR
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    SEC Form 4 filed by Chief Financial Officer Cross Herb

    4 - Jasper Therapeutics, Inc. (0001788028) (Issuer)

    1/5/26 7:30:17 PM ET
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    Jasper Therapeutics Inc. filed SEC Form 8-K: Other Events, Financial Statements and Exhibits

    8-K - Jasper Therapeutics, Inc. (0001788028) (Filer)

    1/8/26 7:06:57 AM ET
    $JSPR
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    Jasper Therapeutics Inc. filed SEC Form 8-K: Leadership Update, Other Events, Financial Statements and Exhibits

    8-K - Jasper Therapeutics, Inc. (0001788028) (Filer)

    1/7/26 4:35:06 PM ET
    $JSPR
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    SEC Form SCHEDULE 13G filed by Jasper Therapeutics Inc.

    SCHEDULE 13G - Jasper Therapeutics, Inc. (0001788028) (Subject)

    12/2/25 10:23:49 AM ET
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    Jasper Therapeutics Announces Appointment of Svetlana Lucas Ph.D., to its Board of Directors

    REDWOOD CITY, Calif., June 19, 2024 (GLOBE NEWSWIRE) -- Jasper Therapeutics, Inc. (NASDAQ:JSPR) (Jasper), a clinical stage biotechnology company focused on development of briquilimab, a novel antibody therapy targeting c-Kit (CD117) to address mast cell driven diseases such as chronic spontaneous urticaria (CSU), chronic inducible urticaria (CIndU) and asthma, today announced the appointment of Svetlana Lucas, Ph.D., to Jasper's Board of Directors (the Board), effective as of June 18, 2024. Separately, Anna French, D. Phil., stepped down from the Board, effective as of June 18, 2024. "We are pleased to welcome Svetlana, an experienced and accomplished biopharmaceutical executive, to our B

    6/19/24 8:00:00 AM ET
    $JSPR
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    Jasper Therapeutics Announces Appointment of Thomas G. Wiggans as Chairperson of the Board of Directors

    REDWOOD CITY, Calif., Nov. 01, 2023 (GLOBE NEWSWIRE) -- Jasper Therapeutics, Inc. (NASDAQ:JSPR) (Jasper), a biotechnology company focused on the development of briquilimab, a novel antibody therapy targeting c-Kit (CD117) to address mast cell driven diseases such as chronic spontaneous urticaria (CSU) and chronic inducible urticaria (CIndU), as well as lower to intermediate risk myelodysplastic syndromes (LR-MDS) and novel stem cell transplant conditioning regimens, today announced the appointment of Thomas G. Wiggans, a veteran biopharmaceutical executive, as Chairperson of Jasper's Board of Directors (the Board), effective immediately. Bill Lis is stepping down as Chairperson and will re

    11/1/23 8:00:00 AM ET
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    Jasper Therapeutics Strengthens Management Team with Key Appointments

    Patricia Carlos Appointed Senior Vice President of Regulatory Affairs and Quality Annette Marcantonio Appointed Vice President of Clinical Operations REDWOOD CITY, Calif., Aug. 02, 2023 (GLOBE NEWSWIRE) -- Jasper Therapeutics, Inc. (NASDAQ:JSPR) (Jasper), a biotechnology company focused on the development of briquilimab, a novel antibody therapy targeting c-Kit (CD117) to address diseases such as chronic spontaneous urticaria (CSU), lower to intermediate risk myelodysplastic syndromes (LR-MDS) as well as novel stem cell transplant conditioning regimes, today announced the appointment of two seasoned pharma industry executives to its regulatory affairs, quality and clinical operations

    8/2/23 8:00:00 AM ET
    $JSPR
    Biotechnology: Biological Products (No Diagnostic Substances)
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    Jasper Therapeutics Reports Positive Updated Data from Briquilimab Studies in Chronic Spontaneous Urticaria

    67% of additional patients (n=6) enrolled in the BEACON study achieved a complete response at 12 weeks with a mean UAS7 reduction of 31 points  75% of CSU participants (n=36) enrolled in the open label extension study achieved a complete response or well controlled disease at 12 weeks With a median duration of follow up of more than 200 days on 63 participants in the open label extension study, KIT related AEs were low in frequency and predominantly low-grade events that resolved while on study BEACON and open label extension data sets are now sufficient to select doses for the Phase 2b study of briquilimab in CSU planned to commence in the second half of 2026 Company to host conference

    1/8/26 7:00:00 AM ET
    $JSPR
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    Jasper Therapeutics Reports Positive Preliminary Data from ETESIAN Study of Briquilimab in Asthma and Findings from BEACON Study Internal Investigation

    Reductions in airway hyperresponsiveness and suppressed eosinophilic response at both 6 weeks and 12 weeks observed after a single 180mg dose of Briquilimab in the ETESIAN Study Preliminary data from ETESIAN study supports further development of briquilimab in asthma Jasper also announces completion of internal BEACON study investigation noting no deviations or issues with drug product utilized Jasper to host conference call and webinar today at 8:00 a.m. ET REDWOOD CITY, Calif., Dec. 02, 2025 (GLOBE NEWSWIRE) -- Jasper Therapeutics, Inc. (NASDAQ:JSPR) (Jasper), a clinical stage biotechnology company focused on development of briquilimab, a novel antibody therapy targeting KIT (CD117)

    12/2/25 7:00:00 AM ET
    $JSPR
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    Jasper Therapeutics Reports Positive Data from 180mg Cohort in SPOTLIGHT Study of Briquilimab in Chronic Inducible Urticaria

    11 of 12 participants (92%) enrolled in the 180mg cohort achieved a complete response 12 of 12 participants (100%) in the 180mg cohort achieved a clinical response Tryptase levels below the lower limit of quantification observed in 10 of 12 participants (83%) No serious adverse events and no grade 3 or higher adverse events reported in the 180mg cohort Company to host conference call and webinar on Monday, June 16, at 8:00 a.m. EDT REDWOOD CITY, Calif., June 14, 2025 (GLOBE NEWSWIRE) -- Jasper Therapeutics, Inc. (NASDAQ:JSPR) (Jasper), a clinical stage biotechnology company focused on development of briquilimab, a novel antibody therapy targeting KIT (CD117) to address mast cell drive

    6/14/25 10:00:23 AM ET
    $JSPR
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    Amendment: SEC Form SC 13G/A filed by Jasper Therapeutics Inc.

    SC 13G/A - Jasper Therapeutics, Inc. (0001788028) (Subject)

    11/14/24 6:01:49 PM ET
    $JSPR
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    Amendment: SEC Form SC 13G/A filed by Jasper Therapeutics Inc.

    SC 13G/A - Jasper Therapeutics, Inc. (0001788028) (Subject)

    11/14/24 3:32:57 PM ET
    $JSPR
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    Amendment: SEC Form SC 13G/A filed by Jasper Therapeutics Inc.

    SC 13G/A - Jasper Therapeutics, Inc. (0001788028) (Subject)

    11/4/24 12:05:53 PM ET
    $JSPR
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care