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    SEC Form 8-K filed by Seres Therapeutics Inc.

    6/1/26 4:30:55 PM ET
    $MCRB
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Get the next $MCRB alert in real time by email
    8-K
    false 0001609809 0001609809 2026-05-30 2026-05-30
     
     

    UNITED STATES

    SECURITIES AND EXCHANGE COMMISSION

    WASHINGTON, D.C. 20549

     

     

    FORM 8-K

     

     

    CURRENT REPORT

    Pursuant to Section 13 or 15(d)

    of the Securities Exchange Act of 1934

    Date of Report (Date of earliest event reported): May 30, 2026

     

     

    SERES THERAPEUTICS, INC.

    (Exact name of Registrant as Specified in Its Charter)

     

     

     

    Delaware   001-37465   27-4326290

    (State or other jurisdiction

    of incorporation)

     

    (Commission

    File Number)

     

    (IRS Employer

    Identification No.)

     

    101 Cambridgepark Drive

    Cambridge, MA

      02140
    (Address of principal executive offices)   (Zip Code)

    Registrant’s telephone number, including area code: (617) 945-9626

    Not Applicable

    (Former Name or Former Address, if Changed Since Last Report)

     

     

    Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

     

    ☐

    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

     

    ☐

    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

     

    ☐

    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

     

    ☐

    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

    Securities registered pursuant to Section 12(b) of the Act:

     

    Title of each class

     

    Trading

    Symbol(s)

     

    Name of each exchange

    on which registered

    Common stock, par value $0.001 per share   MCRB  

    The Nasdaq Stock Market LLC

    (Nasdaq Global Select Market)

    Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

    Emerging growth company ☐

    If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

     

     
     


    Item 5.02.

    Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensation Arrangements of Certain Officers.

    On May 30, 2026, Hans-Juergen Woerle, M.D., Ph.D. resigned from his position as a member of the board of directors of Seres Therapeutics, Inc. (the “Company”) and on the committees on which he serves, effective May 31, 2026. Dr. Woerle’s departure is not due to any disagreement with the Company on any matter relating to the Company’s operations, policies or practices.


    SIGNATURES

    Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

     

        SERES THERAPEUTICS, INC.
    Date: June 1, 2026     By:  

    /s/ Thomas J. DesRosier

        Name:   Thomas J. DesRosier
        Title:   Chief Legal Officer and Executive Vice President
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