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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 8, 2026
TONIX
PHARMACEUTICALS HOLDING CORP.
(Exact
name of registrant as specified in its charter)
| Nevada |
|
001-36019 |
|
26-1434750 |
| (State or Other Jurisdiction |
|
(Commission |
|
(IRS Employer |
| of Incorporation) |
|
File Number) |
|
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 8, 2026, Tonix Pharmaceuticals Holding Corp. (the “Company”) announced it entered into an agreement with a group purchasing
organization (“GPO”) that provides coverage for TONMYA®. 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 8, 2026, the Company announced it entered into an agreement with a GPO, effective June 1, 2026, that provides coverage to approximately
17 million U.S. commercially insured individuals, with standard utilization management criteria, for TONMYA. To date, TONMYA is available
under Medicaid in most states, representing approximately 75 million Medicaid beneficiaries.
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 |
|
Press Release of the Company, June 8, 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 8, 2026 |
By: |
/s/ Bradley Saenger |
| |
|
Bradley Saenger |
| |
|
Chief Financial Officer |
Exhibit
99.01

Tonix
Pharmaceuticals Secures Second Commercial Payer Agreement for TONMYA®, Expanding Total Commercial Coverage to ~52 Million U.S. Lives
Agreement
with second leading group purchasing organization (GPO), effective June 1, 2026, provides access to approximately 17 million additional
U.S. commercial lives (10% of the ~177 million commercial lives in the U.S.)
Total
commercial coverage between two leading GPOs now approximately 52 million lives (29% of the total commercial lives in the U.S.)
TONMYA®
is the first new fibromyalgia medicine for adults in over 15 years approved by the U.S. Food and Drug Administration (FDA)
BERKELEY
HEIGHTS, N.J., June 8, 2026 (GLOBE NEWSWIRE) — Tonix Pharmaceuticals Holding Corp. (Nasdaq: TNXP) (“Tonix” or the
“Company”), a fully-integrated, commercial-stage biotechnology company, today announced an agreement, effective June 1, 2026,
with a second leading group purchasing organization (GPO) that provides coverage for TONMYA® (cyclobenzaprine HCl sublingual tablets)
to an additional approximately 17 million U.S. commercial lives, representing approximately 10% of the roughly 177 million commercial
lives in the U.S., with standard utilization management criteria. In total, TONMYA now has commercial coverage for approximately 52 million
U.S. lives, representing approximately 29% of the total commercial lives in the U.S.
“TONMYA’s
coverage by two leading GPOs is an important milestone in expanding patient access in the early phase of our commercial launch,”
said Seth Lederman, M.D., President and Chief Executive Officer of Tonix Pharmaceuticals. “Existing treatments are limited by tolerability
and side effects. TONMYA is a first-in-class, non-opioid analgesic designed for daily bedtime administration and long-term use. We are
dedicated to increasing coverage across commercial and government channels as we work to deliver TONMYA to the more than 10 million adults
in the U.S. suffering from fibromyalgia.”
The
Company announced the first commercial coverage agreement on May 6, 2026, with an effective date of May 1, 2026, that provides access
to approximately 35 million U.S. commercial lives (20% of the total commercial lives in the U.S.)
TONMYA
is now available in most states under Medicaid representing in total approximately 75 million lives. Discussions with Medicare continue
to advance.
The
TONMYA Together Support Program offers a savings program to eligible, commercially insured patients through local pharmacies and through
a digital pharmacy service. Terms and conditions apply, subject to change. Learn more at https://www.tonmya.com/savings.
About
Fibromyalgia
Fibromyalgia
is a chronic pain disorder that is understood to result from amplified sensory and pain signaling within the central nervous system.
Fibromyalgia afflicts more than 10 million adults in the U.S., predominantly in women. Symptoms of fibromyalgia include chronic widespread
pain, nonrestorative sleep, fatigue, and morning stiffness. Other associated symptoms include cognitive dysfunction and mood disturbances,
including anxiety and depression. Individuals suffering from fibromyalgia struggle with their daily activities, have impaired quality
of life, and frequently are disabled. Physicians and patients report common dissatisfaction with currently marketed products.

About
TONMYA® (cyclobenzaprine HCl sublingual tablets)
TONMYA
(cyclobenzaprine HCl sublingual tablets) is a sublingual tablet formulation of cyclobenzaprine hydrochloride that was approved on August
15, 2025, by the FDA for the treatment of fibromyalgia in adults. TONMYA is the first new prescription medicine approved for fibromyalgia
in more than 15 years. TONMYA provides rapid transmucosal absorption of cyclobenzaprine and reduced production of a long half-life active
metabolite, norcyclobenzaprine, due to bypassing first-pass hepatic metabolism. TONMYA is a multifunctional agent with potent binding
and antagonist activities at the 5-HT2A serotonergic, α1-adrenergic, H1-histaminergic, and M1-muscarinic receptors. TONMYA was
investigated as TNX-102 SL. TNX-102 SL is also being developed to treat acute stress disorder (ASD)/acute stress reaction (ASR), and
major depressive disorder (MDD). The United States Patent and Trademark Office (USPTO) issued United States Patent No. 9636408 in May
2017, Patent No. 9956188 in May 2018, Patent No. 10117936 in November 2018, Patent No. 10,357,465 in July 2019, and Patent No. 10736859
in August 2020. The Protectic™ protective eutectic and Angstro-Technology™ formulation claimed in the patent are important
elements of Tonix’s proprietary TONMYA composition. These patents are expected to provide TONMYA with U.S. market exclusivity until
2034.
Tonix
Pharmaceuticals Holding Corp.
Tonix
Pharmaceuticals* is a fully integrated, commercial-stage biotechnology company focused on central nervous system (CNS) disorders, infectious
diseases, immunology conditions, and rare diseases where there exists high unmet medical need. TONMYA® (cyclobenzaprine HCl sublingual
tablets 2.8mg), the Company’s flagship internally conceived and developed medicine, is the first new treatment for fibromyalgia
in more than 15 years. Tonix’s CNS commercial infrastructure supports its marketed products, including its acute migraine products,
Zembrace® SymTouch® (sumatriptan injection 3 mg) and Tosymra® (sumatriptan nasal spray 10 mg). Tonix is extending the science
behind TONMYA in Phase 2 clinical studies to evaluate its potential in major depressive disorder and acute stress disorder/acute stress
reaction. Tonix is also advancing a pipeline of infectious disease programs, including monoclonal antibody TNX-4800 (anti-OspA mAb) for
Lyme disease prevention in the U.S. and TNX-801 (horsepox, live virus vaccine), a vaccine in development for the prevention of mpox and
smallpox. Within immunology, Tonix is developing TNX-1500 (anti-CD40L mAb), a third-generation CD40 ligand inhibitor for the prevention
of kidney transplant rejection. Finally, the Company’s rare disease portfolio includes TNX-2900, which is Phase 2 ready for the
treatment of Prader-Willi syndrome. To learn more, visit www.tonixpharma.com.
*Tonix’s
product development candidates, including TONMYA for unapproved indications, are investigational new drugs or biologics. Their efficacy
and safety have not been established and have not been approved for any indication.
Zembrace
SymTouch and Tosymra are registered trademarks of Tonix Medicines. TONMYA is a registered trademark of Tonix Pharma Limited. All other
marks are property of their respective owners.

Forward
Looking Statements
Certain
statements in this press release are forward-looking within the meaning of the Private Securities Litigation Reform Act of 1995 including
those relating to the completion of the offering, the satisfaction of customary closing conditions, the intended use of proceeds from
the offering and other statements that are predictive in nature. These statements may be identified by the use of forward-looking words
such as “anticipate,” “believe,” “forecast,” “estimate,” “expect,” and “intend,”
among others. There are a number of factors that could cause actual events to differ materially from those indicated by such forward-looking
statements. These factors include, but are not limited to, risks related to the failure to successfully launch and commercialize TONMYA®
and any of our approved products; risks related to the failure to obtain FDA clearances or approvals and noncompliance with FDA regulations;
risks related to the timing and progress of clinical development of our product candidates; our need for additional financing; uncertainties
of patent protection and litigation; uncertainties of government or third party payor reimbursement; limited research and development
efforts and dependence upon third parties; and substantial competition. As with any pharmaceutical under development, there are significant
risks in the development, regulatory approval and commercialization of new products. Tonix does not undertake an obligation to update
or revise any forward-looking statement. Investors should read the risk factors set in the Company’s Annual Report on Form 10-K
for the year ended December 31, 2025, as filed with the SEC on March 12, 2026, and periodic reports filed with the SEC on or after the
date thereof. Tonix does not undertake an obligation to update or revise any forward-looking statement. All of Tonix’s forward-looking
statements are expressly qualified by all such risk factors and other cautionary statements. The information set forth herein speaks
only as of the date thereof.
Investor
Contacts
Deborah
Elson (Investors/Media)
Tonix
Pharmaceuticals
deborah.elson@tonixpharma.com
investor.relations@tonixpharma.com
Brian
Korb (Investors)
astr
partners
(917)
653-5122
brian.korb@astrpartners.com
Ray
Jordan (Media)
Putnam
Insights
ray@putnaminsights.com
INDICATION
TONMYA
is indicated for the treatment of fibromyalgia in adults.
CONTRAINDICATIONS
TONMYA
is contraindicated:
In
patients with hypersensitivity to cyclobenzaprine or any inactive ingredient in TONMYA. Hypersensitivity reactions may manifest as an
anaphylactic reaction, urticaria, facial and/or tongue swelling, or pruritus. Discontinue TONMYA if a hypersensitivity reaction is suspected.
With concomitant use of monoamine oxidase (MAO) inhibitors or within 14 days after discontinuation of an MAO inhibitor. Hyperpyretic
crisis seizures and deaths have occurred in patients who received cyclobenzaprine (or structurally similar tricyclic antidepressants)
concomitantly with MAO inhibitors drugs.

During
the acute recovery phase of myocardial infarction, and in patients with arrhythmias, heart block or conduction disturbances, or congestive
heart failure. In patients with hyperthyroidism.
WARNINGS
AND PRECAUTIONS
Embryofetal
toxicity: Based on animal data, TONMYA may cause neural tube defects when used two weeks prior to conception and during the first trimester
of pregnancy. Advise females of reproductive potential of the potential risk and to use effective contraception during treatment and
for two weeks after the final dose. Perform a pregnancy test prior to initiation of treatment with TONMYA to exclude use of TONMYA during
the first trimester of pregnancy.
Serotonin
syndrome: Concomitant use of TONMYA with selective serotonin reuptake inhibitors (SSRIs), serotonin norepinephrine reuptake inhibitors
(SNRIs), tricyclic antidepressants, tramadol, bupropion, meperidine, verapamil, or MAO inhibitors increases the risk of serotonin syndrome,
a potentially life-threatening condition. Serotonin syndrome symptoms may include mental status changes, autonomic instability, neuromuscular
abnormalities, and/or gastrointestinal symptoms. Treatment with TONMYA and any concomitant serotonergic agent should be discontinued
immediately if serotonin syndrome symptoms occur and supportive symptomatic treatment should be initiated. If concomitant treatment
with TONMYA and other serotonergic drugs is clinically warranted, careful observation is advised, particularly during treatment initiation
or dosage increases.
Tricyclic
antidepressant-like adverse reactions: Cyclobenzaprine is structurally related to TCAs. TCAs have been reported to produce arrhythmias,
sinus tachycardia, prolongation of the conduction time leading to myocardial infarction and stroke. If clinically significant central
nervous system (CNS) symptoms develop, consider discontinuation of TONMYA. Caution should be used when TCAs are given to patients with
a history of seizure disorder, because TCAs may lower the seizure threshold. Patients with a history of seizures should be monitored
during TCA use to identify recurrence of seizures or an increase in the frequency of seizures.
Atropine-like
effects: Use with caution in patients with a history of urinary retention, angle-closure glaucoma, increased intraocular pressure, and
in patients taking anticholinergic drugs.
CNS
depression and risk of operating a motor vehicle or hazardous machinery: TONMYA monotherapy may cause CNS depression. Concomitant use
of TONMYA with alcohol, barbiturates, or other CNS depressants may increase the risk of CNS depression. Advise patients not to operate
a motor vehicle or dangerous machinery until they are reasonably certain that TONMYA therapy will not adversely affect their ability
to engage in such activities. Oral mucosal adverse reactions: In clinical studies with TONMYA, oral mucosal adverse reactions occurred
more frequently in patients treated with TONMYA compared to placebo. Advise patients to moisten the mouth with sips of water before administration
of TONMYA to reduce the risk of oral sensory changes (hypoesthesia). Consider discontinuation of TONMYA if severe reactions occur.

ADVERSE
REACTIONS
The
most common adverse reactions (incidence ≥2% and at a higher incidence in TONMYA-treated patients compared to placebo-treated patients)
were oral hypoesthesia, oral discomfort, abnormal product taste, somnolence, oral paresthesia, oral pain, fatigue, dry mouth, and aphthous
ulcer.
DRUG
INTERACTIONS
MAO
inhibitors: Life-threatening interactions may occur.
Other
serotonergic drugs: Serotonin syndrome has been reported.
CNS
depressants: CNS depressant effects of alcohol, barbiturates, and other CNS depressants may be enhanced.
Tramadol:
Seizure risk may be enhanced.
Guanethidine
or other similar acting drugs: The antihypertensive action of these drugs may be blocked.
USE
IN SPECIFIC POPULATIONS
Pregnancy:
Based on animal data, TONMYA may cause fetal harm when administered to a pregnant woman. The limited amount of available observational
data on oral cyclobenzaprine use in pregnancy is of insufficient quality to inform a TONMYA-associated risk of major birth defects, miscarriage,
or adverse maternal or fetal outcomes. Advise pregnant women about the potential risk to the fetus with maternal exposure to TONMYA and
to avoid use of TONMYA two weeks prior to conception and through the first trimester of pregnancy. Report pregnancies to the Tonix Medicines,
Inc., adverse-event reporting line at 1-888-869-7633 (1-888-TNXPMED).
Lactation:
A small number of published cases report the transfer of cyclobenzaprine into human milk in low amounts, but these data cannot be confirmed.
There are no data on the effects of cyclobenzaprine on a breastfed infant, or the effects on milk production. The developmental and health
benefits of breastfeeding should be considered along with the mother’s clinical need for TONMYA and any potential adverse effects
on the breastfed child from TONMYA or from the underlying maternal condition.
Pediatric
use: The safety and effectiveness of TONMYA have not been established.
Geriatric
patients: Of the total number of TONMYA-treated patients in the clinical trials in adult patients with fibromyalgia, none were 65 years
of age and older. Clinical trials of TONMYA did not include sufficient numbers of patients 65 years of age and older to determine whether
they respond differently from younger adult patients.
Hepatic
impairment: The recommended dosage of TONMYA in patients with mild hepatic impairment (HI) (Child Pugh A) is 2.8 mg once daily at bedtime,
lower than the recommended dosage in patients with normal hepatic function. The use of TONMYA is not recommended in patients with moderate
HI (Child Pugh B) or severe HI (Child Pugh C). Cyclobenzaprine exposure (AUC) was increased in patients with mild HI and moderate HI
compared to subjects with normal hepatic function, which may increase the risk of TONMYA-associated adverse reactions.
Please
see additional safety information in the full Prescribing Information. To report suspected adverse reactions, contact Tonix Medicines,
Inc. at 1-888-869-7633, or the FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.