---
schema_version: "secwatch.filing_event.v1"
accession: "0000709283-25-000018"
form_type: "8-K"
ticker: "QMCO"
cik: "0000709283"
company_name: "QUANTUM CORP /DE/"
filed_at: "2025-07-23T23:59:59+00:00"
generated_at: "2026-05-18T03:48:59.569129+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Quantum receives Nasdaq deficiency notice for late 10-K filing; 60 days to cure

## Summary
- Nasdaq notified Quantum on July 17, 2025 of non-compliance with Rule 5250(c)(1) due to delayed FY 2025 10-K.
- Company previously filed NT 10-K on June 30 citing accounting review of revenue contracts and standalone selling price.
- Quantum has 60 days from notice to file the 10-K or submit a compliance plan to Nasdaq.
- Listing and trading of QMCO common stock on Nasdaq continues for now, subject to other requirements.
- Company states it is working diligently to complete the review and file the Annual Report as soon as possible.

## SEC filing metadata
- accession: 0000709283-25-000018
- form_type: 8-K
- ticker: QMCO
- cik: 0000709283
- company_name: QUANTUM CORP /DE/
- filed_at: 2025-07-23T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 3.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/709283/000070928325000018/0000709283-25-000018-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/709283/000070928325000018/qtm-20250717.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000709283-25-000018
- JSON: https://secwatch.observer/filing/0000709283-25-000018.json
- Plain text: https://secwatch.observer/filing/0000709283-25-000018.txt

## Key facts
- Listing & Compliance Notices
  QUANTUM CORP /DE/ received a nasdaq noncompliance notice notice regarding late filing (rules 5250(c)(1)).
  - Exchange: nasdaq
  - Notice: noncompliance notice
  - Deficiency: late filing
  - Rules: 5250(c)(1)
  source text: July 17, 2025, Quantum Corporation (the “Company”) received a written notice (the “Notice”) from the Listing Qualifications staff of the Nasdaq Stock Market LLC (“Nasdaq”) stating that the Company is not in compliance with Nasdaq Listing Rule 5250(c)(1) as a result of the Company’s failure to timely file its Annual Report on Form 10-K for the fiscal year ended March 31, 2025 (the “Annual Report”) with the Securities and Exchange Commission (the “SEC”). On June 30, 2025, the Company filed a Notification of Late Filing on Form 12b-25 with the SEC indicating that the Annual Report would be delaye
  evidence_url: https://www.sec.gov/Archives/edgar/data/709283/000070928325000018/0000709283-25-000018-index.htm

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