---
schema_version: "secwatch.filing_event.v1"
accession: "0000709283-25-000016"
form_type: "8-K"
ticker: "QMCO"
cik: "0000709283"
company_name: "QUANTUM CORP /DE/"
filed_at: "2025-07-08T23:59:59+00:00"
generated_at: "2026-05-18T09:12:27.851321+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "medium"
source: SEC EDGAR
---

# Quantum notifies CRO Henk Jan Spanjaard of intent to terminate employment

## Summary
- On July 1, 2025, Quantum notified CRO Henk Jan Spanjaard of intent to negotiate his termination.
- Spanjaard served as Chief Revenue Officer; no replacement named as of filing date.
- Filing provides no details on transition, severance, or timeline for departure.

## SEC filing metadata
- accession: 0000709283-25-000016
- form_type: 8-K
- ticker: QMCO
- cik: 0000709283
- company_name: QUANTUM CORP /DE/
- filed_at: 2025-07-08T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: medium
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/709283/000070928325000016/0000709283-25-000016-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/709283/000070928325000016/qtm-20250701.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000709283-25-000016
- JSON: https://secwatch.observer/filing/0000709283-25-000016.json
- Plain text: https://secwatch.observer/filing/0000709283-25-000016.txt

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