---
title: "Tonix Pharma CMO Gregory Sullivan to retire Aug. 20"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/293381197.md"
description: "Tonix Pharmaceuticals announced that Chief Medical Officer Gregory M. Sullivan will retire effective August 20, 2026. The company received his notification on July 20, 2026."
datetime: "2026-07-21T20:10:54.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/293381197.md)
  - [en](https://longbridge.com/en/news/293381197.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/293381197.md)
generator: "portal-rs"
---

# Tonix Pharma CMO Gregory Sullivan to retire Aug. 20

-   Tonix Pharmaceuticals said Chief Medical Officer Gregory M. Sullivan will retire effective Aug. 20, 2026. \* Sullivan notified the company on July 20, 2026. 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: 0001493152-26-034079), on July 21, 2026, and is solely responsible for the information contained therein. © Copyright 2026 - Public Technologies (PUBT) Original Document: here

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> **Disclaimer: This article is for reference only and does not constitute any investment advice.**