---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-045529"
form_type: "8-K"
ticker: "QMCO"
cik: "0000709283"
company_name: "QUANTUM CORP /DE/"
filed_at: "2026-06-25T20:21:42+00:00"
generated_at: "2026-06-25T20:23:15.352315+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Quantum Q4 revenue $78M (+27% YoY), beats guidance; net loss narrows to $0.66/share; debt reduced to $55.9M

## Summary
- Revenue $78.0M, up 27% YoY, exceeding guidance of $68M (±$2M); GAAP net loss $9.5M ($0.66 loss per share).
- Non-GAAP adjusted net loss $3.1M ($0.21 loss per share), a $9M improvement YoY; adjusted EBITDA $1.0M vs. -$3.9M YoY.
- Outstanding term loan debt reduced to $55.9M from $102.5M; new convertible note fair valued at $90.0M; cash $16.2M.
- Q1 FY2027 guidance: revenue $75M (±$2M), non-GAAP adjusted EBITDA $1.5M (±$1M), adjusted EPS loss $(0.15) (±$0.10).
- CEO cites robust AI-driven demand for tiered storage; company eliminated debt and lowered cost structure.

## SEC filing metadata
- accession: 0001628280-26-045529
- form_type: 8-K
- ticker: QMCO
- cik: 0000709283
- company_name: QUANTUM CORP /DE/
- filed_at: 2026-06-25T20:21:42+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/709283/000162828026045529/0001628280-26-045529-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/709283/000162828026045529/qtm-20260625.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-045529
- JSON: https://secwatch.observer/filing/0001628280-26-045529.json
- Plain text: https://secwatch.observer/filing/0001628280-26-045529.txt

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