• Tonix Pharmaceuticals appointed Seth Lederman as interim chief medical officer, effective Aug. 18, 2026.
• Lederman has served as president, chief executive officer, and chairman since October 2011.
• No appointment arrangements or understandings were disclosed with other parties.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Tonix Pharmaceuticals Holding Corp. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001493152-26-039000), on August 18, 2026, and is solely responsible for the information contained therein.