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Tonix Pharmaceuticals (NASDAQ: TNXP) plans 2026 MDD and 2027 Lyme trials

Filing Impact
(High)
Filing Sentiment
(Neutral)
Form Type
8-K

Rhea-AI Filing Summary

Tonix Pharmaceuticals Holding Corp. filed an 8-K to share an updated investor presentation and outline upcoming clinical plans. The company intends to start a Phase 2 trial in 2026 of its TNX-102 SL product candidate, already approved for fibromyalgia, for treating major depressive disorder. Tonix also plans an adaptive Phase 2/3 study in 2027 of TNX-4800 for the seasonal prevention of Lyme disease. The presentation is furnished as Exhibit 99.01 and is not deemed filed for liability purposes under U.S. securities laws.

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Insights

Tonix outlines 2026–2027 clinical plans via furnished investor deck.

Tonix Pharmaceuticals is using this 8-K mainly to furnish an updated investor presentation. The filing highlights plans to begin a Phase 2 trial of TNX-102 SL in 2026 for major depressive disorder and an adaptive Phase 2/3 study of TNX-4800 in 2027 for seasonal Lyme disease prevention.

Because these are stated as intentions and include standard forward-looking statement cautions, they represent development goals rather than firm milestones. Actual timing and outcomes will depend on factors referenced in the company’s SEC filings, such as clinical, regulatory and operational risks.

The key practical takeaway is that Tonix is positioning TNX-102 SL beyond fibromyalgia into psychiatry and advancing TNX-4800 in infectious disease through planned mid‑ to late‑stage trials, with more detail expected in the October 2025 corporate presentation attached as Exhibit 99.01.

Item 7.01 Regulation FD Disclosure Disclosure
Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.
Item 8.01 Other Events Other
Voluntary disclosure of events the company deems important to shareholders but not covered by other items.
Item 9.01 Financial Statements and Exhibits Exhibits
Financial statements, pro forma financial information, and exhibit attachments filed with this report.
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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): October 7, 2025

 

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.) 

26 Main Street, Chatham, New Jersey, 07928

(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 Capital 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.

 

Tonix Pharmaceuticals Holding Corp. (the “Company”) updated its investor presentation, which is used to conduct meetings with investors, stockholders and analysts and at investor conferences, and which the Company intends to place on its website, which may contain nonpublic information. A copy of the presentation is filed as Exhibit 99.01 hereto and incorporated herein by reference.

 

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.

 

The Company intends to initiate a Phase 2 trial of its TNX-102 SL product candidate, which is already approved for the treatment of fibromyalgia, for the treatment of major depressive disorder in 2026. The Company intends to initiate an adaptive Phase 2/3 study of its TNX-4800 product candidate for the seasonal prevention of Lyme disease in 2027.

 

Forward- Looking Statements 

 

This Current Report on Form 8-K contains certain forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934 and Private Securities Litigation Reform Act, as amended, including those relating to the Company’s product development, clinical trials, clinical and regulatory timelines, market opportunity, competitive position, possible or assumed future results of operations, business strategies, potential growth opportunities and other statement that are predictive in nature. These forward-looking statements are based on current expectations, estimates, forecasts and projections about the industry and markets in which we operate and management’s current beliefs and assumptions.

 

These statements may be identified by the use of forward-looking expressions, including, but not limited to, “expect,” “anticipate,” “intend,” “plan,” “believe,” “estimate,” “potential,” “predict,” “project,” “should,” “would” and similar expressions and the negatives of those terms. These statements relate to future events or our financial performance and involve known and unknown risks, uncertainties, and other factors which may cause actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by the forward-looking statements. Such factors include those set forth in the Company’s filings with the SEC. Prospective investors are cautioned not to place undue reliance on such forward-looking statements, which speak only as of the date of this press release. The Company undertakes no obligation to publicly update any forward-looking statement, whether as a result of new information, future events or otherwise.

 

Item 9.01 Financial Statements and Exhibits.

(d)  

Exhibit

No.

  Description.
   

99.01

 

Corporate Presentation of the Company for October 2025

    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: October 7, 2025 By: /s/ Bradley Saenger
    Bradley Saenger
    Chief Financial Officer

 

FAQ

What did Tonix Pharmaceuticals (TNXP) disclose in this 8-K filing?

Tonix Pharmaceuticals furnished an updated investor presentation and outlined plans for future clinical trials. The company highlighted intended Phase 2 development of TNX-102 SL for major depressive disorder and an adaptive Phase 2/3 trial of TNX-4800 for seasonal Lyme disease prevention, with both details in Exhibit 99.01.

What new clinical plans did Tonix (TNXP) announce for TNX-102 SL?

Tonix stated it intends to initiate a Phase 2 trial of TNX-102 SL for major depressive disorder in 2026. TNX-102 SL is already approved for treating fibromyalgia, and this planned study would explore expanding its use into a psychiatric indication, subject to typical clinical and regulatory risks.

What is Tonix (TNXP) planning for its TNX-4800 Lyme disease candidate?

Tonix intends to start an adaptive Phase 2/3 study of TNX-4800 for seasonal prevention of Lyme disease in 2027. This mid- to late-stage trial design aims to evaluate the candidate’s potential in preventing Lyme during high-risk seasons, as described in the updated investor presentation.

Is the Tonix (TNXP) investor presentation in this 8-K considered filed with the SEC?

No. Tonix specifies that the information in Item 7.01 and Exhibit 99.01 is furnished, not filed, under the Exchange Act. It is not subject to Section 18 liabilities and is only incorporated into other SEC filings if expressly referenced there.

What forward-looking statement cautions does Tonix (TNXP) include here?

Tonix notes the 8-K contains forward-looking statements about product development, clinical trials, timelines, market opportunities and strategies. It stresses these involve risks and uncertainties, refers readers to its SEC filings for risk factors, and states it has no obligation to update such statements publicly.