Tonix Pharmaceuticals Holding Corp. (TNXP)
NASDAQ: TNXP · Real-Time Price · USD
12.71
-0.13 (-1.01%)
At close: Apr 28, 2026, 4:00 PM EDT
12.89
+0.18 (1.42%)
After-hours: Apr 28, 2026, 7:38 PM EDT

Company Description

Tonix Pharmaceuticals Holding Corp., a fully integrated biopharmaceutical company, develops and commercializes therapies for central nervous system (CNS) disorders, immunology and immuno-oncology, infectious diseases, and rare diseases in the United States.

The company offers TONMYA, a cyclobenzaprine HCl sublingual tablet for the treatment of fibromyalgia.

It also markets Zembrace SymTouch and Tosymra for the treatment of acute migraine with or without aura in adults.

In addition, the company develops TNX-102 SL, a cyclobenzaprine HCl sublingual tablet for the treatment of major depressive disorder and acute stress reaction/acute stress disorder; TNX-1300, a double-mutant cocaine esterase for the treatment of cocaine intoxication; TNX-1500, an Fc-modified humanized monoclonal antibody to prevent kidney transplant rejection, as well as to treat autoimmune conditions; TNX-4800, a humanized monoclonal antibody for the seasonal prevention of Lyme disease; and TNX-2900, an intranasal oxytocin potentiated with magnesium for the treatment of Prader-Willi syndrome.

Further, it is developing TNX-1900, an intranasal potentiated oxytocin for the treatment of binge eating disorder, adolescent obesity, and bone health in pediatric autism, and arginine-vasopressin deficiency; TNX-801, a live horsepox vaccine for the prevention of smallpox and mpox; TNX-4200, a small molecule broad-spectrum antiviral agent targeting CD45 for the treatment or prevention of viral disease; TNX-4900, a highly selective small-molecule Sigma-1 receptor antagonist for neuropathic pain; TNX-1700, a recombinant Trefoil Factor Family 2 fusion protein for the treatment of gastric and colorectal cancers; and TNX-1800 and TNX-1850, live modified horsepox vaccines for the prevention of COVID.

Tonix Pharmaceuticals Holding Corp. was founded in 2007 and is based in Berkeley Heights, New Jersey.

Tonix Pharmaceuticals Holding Corp.
Tonix Pharmaceuticals Holding logo
Country United States
Founded 2007
Industry Biotechnology
Sector Healthcare
Employees 142
CEO Seth Lederman

Contact Details

Address:
200 Connell Drive, Suite 3100
Berkeley Heights, New Jersey 07928
United States
Phone 862 799 8599
Website tonixpharma.com

Stock Details

Ticker Symbol TNXP
Exchange NASDAQ
Stock Type Common Stock
Fiscal Year January - December
Reporting Currency USD
CIK Code 0001430306
CUSIP Number 890260839
ISIN Number US8902608392
Employer ID 26-1434750
SIC Code 2834

Key Executives

Name Position
Dr. Seth Lederman M.D. Co-Founder, President, Chief Executive Officer and Chairman
Bradley Saenger CPA Chief Financial Officer and Treasurer
Mrs. Jessica Edgar Morris Chief Operating Officer
Dr. Gregory M. Sullivan M.D. Chief Medical Officer and Secretary
Siobhan Fogarty B.Sc., M.Sc. Chief Technical Officer
Irina Ishak General Counsel
Dr. Darryl Rideout Ph.D. Executive Vice President of Experimental Chemistry
Dr. Sina Bavari Ph.D. Executive Vice President of Infectious Disease Research and Development
Dr. Zeil Rosenberg M.D., M.P.H. Executive Vice President of Medical
Thomas Englese M.B.A. Executive Vice President of Commercial Operations

Latest SEC Filings

Date Type Title
Apr 23, 2026 8-K Current Report
Mar 31, 2026 8-K Current Report
Mar 30, 2026 DEF 14A Other definitive proxy statements
Mar 27, 2026 SCHEDULE 13G/A Filing
Mar 26, 2026 8-K Current Report
Mar 20, 2026 PRE 14A Other preliminary proxy statements
Mar 18, 2026 8-K Current Report
Mar 13, 2026 ARS Filing
Mar 13, 2026 8-K Current Report
Mar 12, 2026 10-K Annual Report