---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-079322"
form_type: "8-K"
ticker: "GRDX"
cik: "0001604191"
company_name: "GridAI Technologies Corp."
filed_at: "2025-08-15T23:59:59+00:00"
generated_at: "2026-05-17T12:25:01.945110+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Entero Therapeutics announces 1-for-3 reverse stock split to regain Nasdaq compliance

## Summary
- Reverse stock split at ratio 1-for-3 effective 12:01 a.m. ET on August 18, 2025.
- Outstanding shares reduce from ~4.77 million to ~1.59 million; no fractional shares issued.
- Split intended to raise bid price above $1.00 to satisfy Nasdaq Listing Rule 5550(a)(2).
- Trading symbol remains ENTO; new CUSIP is 33749P507.
- Interim CEO Richard Paolone states split is necessary to maintain Nasdaq listing.

## SEC filing metadata
- accession: 0001104659-25-079322
- form_type: 8-K
- ticker: GRDX
- cik: 0001604191
- company_name: GridAI Technologies Corp.
- filed_at: 2025-08-15T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 3.03, 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1604191/000110465925079322/0001104659-25-079322-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1604191/000110465925079322/tm2523661d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-079322
- JSON: https://secwatch.observer/filing/0001104659-25-079322.json
- Plain text: https://secwatch.observer/filing/0001104659-25-079322.txt

## Key facts
- Governance Changes
  GridAI Technologies Corp.: Amended certificate of incorporation to effect a 1-for-3 reverse stock split (effective 2025-08-18).
  - Change: charter amendment
  - Effective: 2025-08-18
  source text: On August 14, 2025, the Company filed with the Secretary of State of the State of Delaware the Certificate of Amendment to its Amended and Restated Certificate of Incorporation (the “Certificate of Amendment”) to effect the Reverse Stock Split.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1604191/000110465925079322/0001104659-25-079322-index.htm

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