---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-25-013851"
form_type: "8-K/A"
ticker: "PTIX"
cik: "0001022899"
company_name: "Protagenic Therapeutics, Inc.new"
filed_at: "2025-09-17T23:59:59+00:00"
generated_at: "2026-05-17T06:19:51.336778+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.0
calibrated_materiality_score: 0.0
confidence: "low"
source: SEC EDGAR
---

# Protagenic Therapeutics updates auditor consent for Phytanix acquisition; no material news

## Summary
- Company files Exhibit 23.1 with consent of GreenGrowth CPAs Inc.
- Financial statements and pro forma data from prior filing remain unchanged.
- Acquisition of Phytanix Bio was previously reported on May 19, 2025.

## SEC filing metadata
- accession: 0001493152-25-013851
- form_type: 8-K/A
- ticker: PTIX
- cik: 0001022899
- company_name: Protagenic Therapeutics, Inc.new
- filed_at: 2025-09-17T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.0
- calibrated_materiality_score: 0.0
- confidence: low
- sec_items: 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1022899/000149315225013851/0001493152-25-013851-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1022899/000149315225013851/form8ka.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-25-013851
- JSON: https://secwatch.observer/filing/0001493152-25-013851.json
- Plain text: https://secwatch.observer/filing/0001493152-25-013851.txt

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