---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-368873"
form_type: "8-K"
ticker: "EXTR"
cik: "0001078271"
company_name: "EXTREME NETWORKS INC"
filed_at: "2026-08-26T21:02:08+00:00"
generated_at: "2026-08-26T21:04:11.750332+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Extreme Networks dismisses Grant Thornton, appoints Deloitte as auditor

## Summary
- Dismissed Grant Thornton LLP as independent auditor effective Aug 21, 2026.
- Appointed Deloitte & Touche LLP for fiscal year ending June 30, 2027.
- GT reports for FY2025 and FY2026 had no adverse opinion or disclaimer.
- No disagreements or reportable events in FY2025-FY2026 or through Aug 21, 2026.
- Grant Thornton's letter dated Aug 26, 2026 filed as Exhibit 16.1.

## SEC filing metadata
- accession: 0001193125-26-368873
- form_type: 8-K
- ticker: EXTR
- cik: 0001078271
- company_name: EXTREME NETWORKS INC
- filed_at: 2026-08-26T21:02:08+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/1078271/000119312526368873/0001193125-26-368873-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1078271/000119312526368873/extr-20260821.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-368873
- JSON: https://secwatch.observer/filing/0001193125-26-368873.json
- Plain text: https://secwatch.observer/filing/0001193125-26-368873.txt

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