---
schema_version: "secwatch.filing_event.v1"
accession: "0001999371-26-006169"
form_type: "8-K"
ticker: "TNXP"
cik: "0001430306"
company_name: "Tonix Pharmaceuticals Holding Corp."
filed_at: "2026-03-18T23:59:59+00:00"
generated_at: "2026-05-15T09:50:43.896453+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Tonix Pharmaceuticals dismisses EisnerAmper, appoints PwC as new auditor

## Summary
- Dismissed EisnerAmper on March 16, 2026; no disagreements on accounting principles or practices.
- Audit reports for FY2024 and FY2025 had going-concern paragraph due to losses and negative cash flows.
- Prior material weaknesses (complex transactions, inventory, warrants) were remediated by end of 2024; no restatements.
- Appointed PricewaterhouseCoopers LLP as independent auditor for FY2026, effective March 16, 2026.

## SEC filing metadata
- accession: 0001999371-26-006169
- form_type: 8-K
- ticker: TNXP
- cik: 0001430306
- company_name: Tonix Pharmaceuticals Holding Corp.
- filed_at: 2026-03-18T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1430306/000199937126006169/0001999371-26-006169-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1430306/000199937126006169/tonix-8k_031826.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001999371-26-006169
- JSON: https://secwatch.observer/filing/0001999371-26-006169.json
- Plain text: https://secwatch.observer/filing/0001999371-26-006169.txt

## Source-grounded claims
- claim_id: 0d8ce91ffdaf3f458af23840ff74654d5dbcfb6b
  claim: Tonix Pharmaceuticals Holding Corp. dismissed EisnerAmper LLP as its auditor.
  evidence_excerpt: On March 16, 2026, Tonix Pharmaceuticals Holding Corp. (the “ Company ”) dismissed EisnerAmper LLP (“ EisnerAmper ”) as the Company’s independent registered public accounting firm.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1430306/000199937126006169/0001999371-26-006169-index.htm
- claim_id: 6d5399eed8240faf9e7381ddb2b4028fbc2b4e71
  claim: Tonix Pharmaceuticals Holding Corp. engaged PricewaterhouseCoopers LLP as its auditor.
  evidence_excerpt: On March 16, 2026 (the “ Engagement Date ”), the Company appointed PricewaterhouseCoopers LLP (“ PwC ”) to serve as the Company’s independent registered public accounting firm for the year ending December 31, 2026, and related interim periods.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1430306/000199937126006169/0001999371-26-006169-index.htm

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