---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-24-047376"
form_type: "8-K"
ticker: "PTIX"
cik: "0001022899"
company_name: "Protagenic Therapeutics, Inc.new"
filed_at: "2024-11-22T23:59:59+00:00"
generated_at: "2026-05-29T19:28:45.936147+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Protagenic Therapeutics receives Nasdaq delisting notice; stock suspension set for Nov 29

## Summary
- Failed to meet Nasdaq's minimum $2.5M stockholders' equity requirement by Nov 18, 2024, after extension.
- Nasdaq delist determination letter received Nov 19; trading of PTIX stock to suspend on Nov 29 unless appeal.
- Company may request Nasdaq hearing to stay delisting, but no assurance of regaining compliance.

## SEC filing metadata
- accession: 0001493152-24-047376
- form_type: 8-K
- ticker: PTIX
- cik: 0001022899
- company_name: Protagenic Therapeutics, Inc.new
- filed_at: 2024-11-22T23:59:59+00:00
- event_type: regulatory
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 3.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1022899/000149315224047376/0001493152-24-047376-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1022899/000149315224047376/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-24-047376
- JSON: https://secwatch.observer/filing/0001493152-24-047376.json
- Plain text: https://secwatch.observer/filing/0001493152-24-047376.txt

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