---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-23-025596"
form_type: "8-K"
ticker: null
cik: "0001506928"
company_name: "Avinger Inc"
filed_at: "2023-09-11T23:59:59+00:00"
generated_at: "2026-06-10T21:40:32.160021+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Avinger announces 1-for-15 reverse stock split effective September 11, 2023

## Summary
- Stockholders approved reverse split at Sept 8 special meeting; Board set ratio at 1-for-15.
- Reverse split effective 5:00 p.m. ET on Sept 11; trading on split-adjusted basis begins Sept 13.
- CUSIP number changed to 053734877 in connection with the reverse split.
- Authorized reverse split ratio range was between 1-for-5 and 1-for-20.

## SEC filing metadata
- accession: 0001437749-23-025596
- form_type: 8-K
- cik: 0001506928
- company_name: Avinger Inc
- filed_at: 2023-09-11T23:59:59+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/1506928/000143774923025596/0001437749-23-025596-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1506928/000143774923025596/avgr20230907c_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-23-025596
- JSON: https://secwatch.observer/filing/0001437749-23-025596.json
- Plain text: https://secwatch.observer/filing/0001437749-23-025596.txt

## Key facts
- Governance Changes
  Avinger Inc: Reverse stock split at a 1-for-15 ratio via Certificate of Amendment to the Amended and Restated Certificate of Incorporation (effective 2023-09-11).
  - Change: charter amendment
  - Effective: 2023-09-11
  source text: the Company’s stockholders approved an amendment to the Company’s Amended and Restated Certificate of Incorporation to effect a reverse split of the Company’s common stock, par value $0.001 (the “Common Stock”) and authorized the Board of Directors (the “Board”) to, at their sole discretion, select a ratio of between 1-for-5 and 1-for-20, inclusive. The Board determined to set the reverse stock split ratio at 1-for-15 (the “Reverse Stock Split”). The Reverse Stock Split will become effective as of 5:00 p.m., Eastern Time on September 11, 2023 (the “Effective Time”), pursuant to a Certificate of Amendment (the “Certificate of Amendment”) to the Company’s Amended and Restated Certificate of Incorporation filed with the Secretary of State of the State of Delaware on September 11, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1506928/000143774923025596/0001437749-23-025596-index.htm

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