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    Sionna Therapeutics Inc. filed SEC Form 8-K: Results of Operations and Financial Condition

    3/2/26 7:09:03 AM ET
    $SION
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Get the next $SION alert in real time by email
    sion-20260302
    0002036042FALSE00020360422026-03-022026-03-02

    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): March 02, 2026
    __________________________
    SIONNA THERAPEUTICS, INC.
    (Exact name of registrant as specified in its charter)
    __________________________
    Delaware001-4250484-2801521
    (State or other jurisdiction
    of incorporation)
    (Commission
    File Number)
    (I.R.S. Employer
    Identification No.)
    SIONNA THERAPEUTICS, INC.
    21 Hickory Drive, Suite 500
    Waltham, MA02451
    (Address of principal executive offices, including zip code)
    617-819-2020
    (Registrant’s telephone number, including area code)
    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 classTrading
    Symbol(s)
    Name of each exchange
    on which registered
    Common Stock, $0.001 par value per shareSIONThe Nasdaq Global 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 x
    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. o



    Item 2.02    Results of Operations and Financial Condition.
    On March 2, 2026, Sionna Therapeutics, Inc. issued a press release announcing its financial results and business highlights for the fiscal year ended December 31, 2025. The full text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.
    The information set forth under this Item 2.02 and in Exhibit 99.1 attached hereto is intended to be furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act, except as expressly set forth by specific reference in such filing.
    Item 9.01    Financial Statements and Exhibits.
    (d) Exhibits
    99.1
    Press Release of Sionna Therapeutics, Inc. dated March 2, 2026.
    104Cover Page Interactive Data File (embedded within the Inline XBRL document).



    SIGNATURE
    Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
    Sionna Therapeutics, Inc.
    Date: March 02, 2026
    By:/s/ Jennifer Fitzpatrick
    Name:Jennifer Fitzpatrick
    Title:Chief Legal Officer

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