---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-008553"
form_type: "8-K"
ticker: "QMCO"
cik: "0000709283"
company_name: "QUANTUM CORP /DE/"
filed_at: "2026-02-17T23:59:59+00:00"
generated_at: "2026-05-16T02:37:52.550872+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Quantum beats Q3 revenue guidance, posts $2.9M adjusted EBITDA; debt reduced significantly

## Summary
- Revenue $74.6M, above preliminary $72.7M and guidance of $67M±$2M.
- GAAP net loss $27.8M ($2.03/share); non-GAAP adjusted net loss $4.9M ($0.36/share).
- Non-GAAP adjusted EBITDA positive $2.9M vs $0.5M in prior quarter.
- Term loan debt $54.6M, down from $105.9M a year ago after debt exchange.
- Q4 guidance: revenue $68M±$2M, non-GAAP adjusted EBITDA breakeven ±$2M.

## SEC filing metadata
- accession: 0001628280-26-008553
- form_type: 8-K
- ticker: QMCO
- cik: 0000709283
- company_name: QUANTUM CORP /DE/
- filed_at: 2026-02-17T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/709283/000162828026008553/0001628280-26-008553-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/709283/000162828026008553/qtm-20260217.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-008553
- JSON: https://secwatch.observer/filing/0001628280-26-008553.json
- Plain text: https://secwatch.observer/filing/0001628280-26-008553.txt

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