---
schema_version: "secwatch.filing_event.v1"
accession: "0001387131-23-002322"
form_type: "8-K"
ticker: "TNXP"
cik: "0001430306"
company_name: "Tonix Pharmaceuticals Holding Corp."
filed_at: "2023-02-23T23:59:59+00:00"
generated_at: "2026-06-19T02:21:53.077092+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Tonix Pharmaceuticals appoints R. Newcomb Stillwell to Board of Directors

## Summary
- Appointed R. Newcomb Stillwell to Board, effective March 15, 2023.
- Stillwell was co-managing partner of Ropes & Gray Boston office with 38 years of corporate law experience.
- Board will award stock options with grant date fair value of $42,000, vesting at 2023 Annual Meeting.
- No related party transactions or arrangements in connection with appointment.

## SEC filing metadata
- accession: 0001387131-23-002322
- form_type: 8-K
- ticker: TNXP
- cik: 0001430306
- company_name: Tonix Pharmaceuticals Holding Corp.
- filed_at: 2023-02-23T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1430306/000138713123002322/0001387131-23-002322-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1430306/000138713123002322/tnxp_8k-022323.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001387131-23-002322
- JSON: https://secwatch.observer/filing/0001387131-23-002322.json
- Plain text: https://secwatch.observer/filing/0001387131-23-002322.txt

## Key facts
- Executive change
  Newcomb Stillwell was appointed as director at Tonix Pharmaceuticals Holding Corp..
  - Action: appointed
  - Role: director
  source text: appointed Newcomb Stillwell as director of the Company, effective as of March 15, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1430306/000138713123002322/0001387131-23-002322-index.htm

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