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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): June 29, 2026

 

TONIX PHARMACEUTICALS HOLDING CORP.

(Exact name of registrant as specified in its charter)

 

Nevada   001-36019   26-1434750

(State or Other Jurisdiction

of Incorporation)

 

(Commission

File Number)

 

(IRS Employer

Identification No.)

 

200 Connell Drive, Suite 3100, Berkeley Heights, New Jersey 07922

(Address of principal executive offices) (Zip Code)

 

Registrant’s telephone number, including area code: (862) 799-8599

 

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 (see General Instruction A.2. below):

 

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   TNXP   The 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 7.01 Regulation FD Disclosure.

 

On June 29, 2026, Tonix Pharmaceuticals Holding Corp. (the “Company”) announced that the first participant was enrolled in HORIZON, a potentially pivotal Phase 2 study evaluating the Company’s TNX-102 SL 5.6 mg product candidate as a first-line monotherapy in adults with major depressive disorder (the “HORIZON Study”). A copy of the press release that discusses this matter is attached hereto as Exhibit 99.01

 

The information in this Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.01 attached hereto, shall not be deemed “filed” for purposes of Section 18 of the United States Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall they be deemed incorporated by reference in any filing under the United States Securities Act of 1933 or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

 

Item 8.01 Other Events.

 

On June 29, 2026, the Company announced that the first participant was enrolled in the HORIZON Study.

 

Item 9.01 Financial Statements and Exhibits.

 

(d)  

Exhibit No.

  Description.
   

99.01

 

Press Release of the Company, June 29, 2026

    104   Cover Page Interactive Data File (embedded within the Inline XBRL document)

 

 

 

 

SIGNATURE

 

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

 

  TONIX PHARMACEUTICALS HOLDING CORP.
   
Date: June 29, 2026 By:  /s/ Bradley Saenger                    
    Bradley Saenger
    Chief Financial Officer

 

 


ATTACHMENTS / EXHIBITS

ATTACHMENTS / EXHIBITS

EX-99.01

XBRL SCHEMA FILE

XBRL LABEL FILE

XBRL PRESENTATION FILE

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