---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-002121"
form_type: "8-K"
ticker: "QMCO"
cik: "0000709283"
company_name: "QUANTUM CORP /DE/"
filed_at: "2026-01-15T23:59:59+00:00"
generated_at: "2026-05-16T10:15:34.492757+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Quantum prelim Q3 FY2026 revenue ~$72.7M, above guidance high-end

## Summary
- Revenue of ~$72.7M exceeds guided range high-end of $67M (+/- $2M).
- GAAP gross margin ~38%.
- GAAP operating expenses ~$28.1M; non-GAAP adj. OpEx ~$26.9M within guidance.
- Full fiscal Q3 2026 results expected by mid-February 2026.

## SEC filing metadata
- accession: 0001628280-26-002121
- form_type: 8-K
- ticker: QMCO
- cik: 0000709283
- company_name: QUANTUM CORP /DE/
- filed_at: 2026-01-15T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/709283/000162828026002121/0001628280-26-002121-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/709283/000162828026002121/qtm-20260115.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-002121
- JSON: https://secwatch.observer/filing/0001628280-26-002121.json
- Plain text: https://secwatch.observer/filing/0001628280-26-002121.txt

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