---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-25-004143"
form_type: "8-K"
ticker: "PTIX"
cik: "0001022899"
company_name: "Protagenic Therapeutics, Inc.new"
filed_at: "2025-01-29T23:59:59+00:00"
generated_at: "2026-05-27T06:20:28.492651+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Protagenic receives Nasdaq delisting notice for failing to regain $1 bid price compliance

## Summary
- Nasdaq notified on Jan 22, 2025 that company failed to regain compliance with minimum bid price Rule 5550(a)(2).
- Company not eligible for second 180-day compliance period due to not meeting initial listing requirements.
- Company will present to Nasdaq Hearings Panel on Jan 30, 2025; no immediate delisting effect.
- Deficiency originally reported on July 24, 2024; stock closed below $1 for 30 consecutive business days.

## SEC filing metadata
- accession: 0001493152-25-004143
- form_type: 8-K
- ticker: PTIX
- cik: 0001022899
- company_name: Protagenic Therapeutics, Inc.new
- filed_at: 2025-01-29T23:59:59+00:00
- event_type: regulatory
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 3.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1022899/000149315225004143/0001493152-25-004143-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1022899/000149315225004143/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-25-004143
- JSON: https://secwatch.observer/filing/0001493152-25-004143.json
- Plain text: https://secwatch.observer/filing/0001493152-25-004143.txt

## Source-grounded claims
- claim_id: b9d31a22923ad45f02951586f622809356e64a49
  claim: Protagenic Therapeutics, Inc.new received a nasdaq deficiency notice notice regarding minimum bid price (rules 5550(a)(2)).
  evidence_excerpt: January 22, 2025, Nasdaq provided a notice to the Company that the Company had not regained compliance with Rule 5550(a)(2) and is not eligible for a second 180 calendar day compliance period as the Company does not comp
  evidence_url: https://www.sec.gov/Archives/edgar/data/1022899/000149315225004143/0001493152-25-004143-index.htm

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