Tonix Pharmaceuticals (NASDAQ: TNXP), a fully integrated commercial-stage biotechnology company, appointed Irina Ishak as General Counsel effective Dec. 8, 2025. Ishak, a longtime advisor to Tonix, will lead the Company’s legal, corporate governance and compliance functions. She joins from Lowenstein Sandler LLP, where she served as Senior Counsel and advised Tonix on financings, licensing, strategic transactions, commercial agreements and governance matters. Ishak previously held senior legal roles at Savient Pharmaceuticals, contributing to the development and launch of KRYSTEXXA (R). CEO Seth Lederman said her corporate and transactional experience will support Tonix as it commercializes products, advances its pipeline and executes long-term strategy. Ishak said she is honored to join Tonix during a pivotal period following the launch of the first FDA-approved fibromyalgia therapy in more than 15 years.
To view the full press release, visit https://ibn.fm/UH3pO
Tonix Pharmaceuticals Holding Corp.
Tonix Pharmaceuticals is a fully-integrated biotechnology company with marketed products and a pipeline of development candidates. Tonix markets FDA-approved TONMYA(TM), a first-in-class, non-opioid analgesic medicine for the treatment of fibromyalgia, a chronic pain condition that affects millions of adults. TONMYA is the first new prescription medicine approved by the FDA for fibromyalgia in more than 15 years. TONMYA was investigated as TNX-102 SL. Tonix also markets two treatments for acute migraine in adults: Zembrace(R) SymTouch(R) (sumatriptan injection) and Tosymra(R)(sumatriptan nasal spray). Tonix’s development portfolio* is focused on central nervous system (CNS) disorders, immunology, immuno-oncology, rare disease and infectious disease. TNX-102 SL is being developed to treat acute stress reaction and acute stress disorder under an Investigator-Initiated IND at the University of North Carolina in the OASIS study funded by the U.S. Department of Defense (DoD). TNX-102 SL is also in development for major depressive disorder. Tonix’s immunology development portfolio consists of biologics to address organ transplant rejection, autoimmunity and cancer, including TNX-1500, which is a Phase 2- ready Fc-modified humanized monoclonal antibody targeting CD40-ligand (CD40L or CD154) being developed for the prevention of allograft rejection and for the treatment of autoimmune diseases. Tonix’s rare disease portfolio includes TNX-2900, intranasal oxytocin potentiated with magnesium, in development for Prader-Willi syndrome and expected to start a potential pivotal Phase 2 study in 2026. Tonix’s infectious disease portfolio includes TNX-801, a vaccine in development for mpox and smallpox, as well as TNX-4800, a Phase 2- ready long-acting humanized monoclonal antibody for the seasonal prevention of Lyme disease. Finally, TNX-4200 for which Tonix has a contract with the U.S. DoD’s Defense Threat Reduction Agency (DTRA) for up to $34 million over five years, is a small molecule broad-spectrum antiviral agent targeting CD45 for the prevention or treatment of high lethality infections to improve the medical readiness of military personnel in biological threat environments. Tonix owns and operates a state-of-the art infectious disease research facility in Frederick, Md.
* Tonix’s product development candidates are investigational new drugs or biologics; their efficacy and safety have not been established and have not been approved for any indication under development.
NOTE TO INVESTORS: The latest news and updates relating to TNXP are available in the company’s newsroom at https://ibn.fm/TNXP
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