SC 13D/AThe Stakes
QUANTUM CORP /DE/ files SC 13D/A
Filed Dec 22, 2025 · 6mo ago · Accession 0000947871-25-001089
Plain English
Activist stake — an investor has acquired more than 5% with intent to influence.
Read the source below for the full document.
Filing details
- Company
- QUANTUM CORP /DE/
- Ticker
- QMCO
- CIK
- 709283
- Form type
- SC 13D/A
- Filing date
- Dec 22, 2025
- Report date
- —
- Document
- —
- Size
- —