---
schema_version: "secwatch.filing_event.v1"
accession: "0001564590-21-048585"
form_type: "8-K"
ticker: "EXTR"
cik: "0001078271"
company_name: "EXTREME NETWORKS INC"
filed_at: "2021-09-22T23:59:59+00:00"
generated_at: "2026-06-29T01:58:24.487048+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Extreme Networks replaces EY with Grant Thornton as auditor effective September 21, 2021

## Summary
- Dismissed Ernst & Young (EY) and appointed Grant Thornton (GT) as independent auditor, effective immediately.
- Audit Committee cited budgetary considerations and better fit with comparable companies audited by GT.
- No disagreements or reportable events with EY during FY 2021 or subsequent interim period.
- EY's FY 2021 audit report contained no adverse opinion or qualification.
- GT appointment subject to completion of client acceptance procedures.

## SEC filing metadata
- accession: 0001564590-21-048585
- form_type: 8-K
- ticker: EXTR
- cik: 0001078271
- company_name: EXTREME NETWORKS INC
- filed_at: 2021-09-22T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1078271/000156459021048585/0001564590-21-048585-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1078271/000156459021048585/extr-8k_20210921.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001564590-21-048585
- JSON: https://secwatch.observer/filing/0001564590-21-048585.json
- Plain text: https://secwatch.observer/filing/0001564590-21-048585.txt

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