---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-23-026947"
form_type: "8-K"
ticker: null
cik: "0001537561"
company_name: "Arch Therapeutics, Inc."
filed_at: "2023-09-27T23:59:59+00:00"
generated_at: "2026-06-10T08:10:40.542032+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Arch Therapeutics increases authorized common stock from 12M to 350M, creates 5M blank check preferred

## Summary
- Authorized common shares increased from 12,000,000 to 350,000,000, par value $0.001.
- Authorized 5,000,000 shares of blank check preferred stock, par value $0.001.
- Amendment approved by board on July 18, 2023 and stockholders on August 22, 2023; effective September 21, 2023.
- No immediate purpose for the additional shares was disclosed in the filing.

## SEC filing metadata
- accession: 0001437749-23-026947
- form_type: 8-K
- cik: 0001537561
- company_name: Arch Therapeutics, Inc.
- filed_at: 2023-09-27T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 3.03, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1537561/000143774923026947/0001437749-23-026947-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1537561/000143774923026947/arch20230927_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-23-026947
- JSON: https://secwatch.observer/filing/0001437749-23-026947.json
- Plain text: https://secwatch.observer/filing/0001437749-23-026947.txt

## Key facts
- Governance Changes
  Arch Therapeutics, Inc.: Increased authorized common shares from 12,000,000 to 350,000,000 and authorized 5,000,000 blank-check preferred shares (effective 2023-09-21).
  - Change: charter amendment
  - Effective: 2023-09-21
  source text: On September 21, 2023, the Company amended its Articles of Incorporation by filing a Certificate of Amendment (the “Certificate of Amendment”) with the Secretary of State of Nevada to increase the total number of authorized shares of common stock, par value $0.001 per share, from 12,000,000 to 350,000,000, and to authorize 5,000,000 shares of “blank check” preferred stock, par value $0.001 per share.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1537561/000143774923026947/0001437749-23-026947-index.htm

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