---
schema_version: "secwatch.filing_event.v1"
accession: "0001999371-25-019833"
form_type: "8-K"
ticker: "TNXP"
cik: "0001430306"
company_name: "Tonix Pharmaceuticals Holding Corp."
filed_at: "2025-12-09T23:59:59+00:00"
generated_at: "2026-05-16T13:46:48.002663+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Tonix Pharmaceuticals appoints Irina Ishak as General Counsel effective Dec 8, 2025

## Summary
- Irina Ishak joins from Lowenstein Sandler LLP where she was Senior Counsel since 2013.
- She previously advised Tonix since 2017 on financings, licensing, and corporate governance.
- Ms. Ishak brings over 25 years of legal experience in life sciences, including at Savient Pharmaceuticals.
- Tonix recently launched TONMYA for fibromyalgia, first new FDA-approved treatment in over 15 years.
- Seth Lederman, CEO, highlights her expertise in complex transactions and public company matters.

## SEC filing metadata
- accession: 0001999371-25-019833
- form_type: 8-K
- ticker: TNXP
- cik: 0001430306
- company_name: Tonix Pharmaceuticals Holding Corp.
- filed_at: 2025-12-09T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1430306/000199937125019833/0001999371-25-019833-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1430306/000199937125019833/tonix-8k_120925.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001999371-25-019833
- JSON: https://secwatch.observer/filing/0001999371-25-019833.json
- Plain text: https://secwatch.observer/filing/0001999371-25-019833.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.
