---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-203188"
form_type: "8-K"
ticker: "QMCO"
cik: "0000709283"
company_name: "QUANTUM CORP /DE/"
filed_at: "2024-08-20T23:59:59+00:00"
generated_at: "2026-05-31T08:35:31.690507+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Quantum shareholders approve reverse stock split; board sets 1-for-20 ratio effective Aug 26, 2024

## Summary
- Shareholders approved reverse stock split at ratio from 1-for-5 to 1-for-20 at Aug 15 annual meeting.
- Board set exact ratio at 1-for-20; effective Aug 26, 2024 at 4:01 p.m. ET; trading begins Aug 27 split-adjusted.
- No fractional shares; fractional interests rounded up to next whole share. CUSIP changes to 747906600.
- Proportionate adjustments to equity awards, warrants, and equity plan shares; par value unchanged at $0.01.

## SEC filing metadata
- accession: 0001193125-24-203188
- form_type: 8-K
- ticker: QMCO
- cik: 0000709283
- company_name: QUANTUM CORP /DE/
- filed_at: 2024-08-20T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.07, 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/709283/000119312524203188/0001193125-24-203188-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/709283/000119312524203188/d879910d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-203188
- JSON: https://secwatch.observer/filing/0001193125-24-203188.json
- Plain text: https://secwatch.observer/filing/0001193125-24-203188.txt

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