Dialectic Technology SPV LLC - 18 Dec 2025 SCHEDULE 13D/A Report for QUANTUM CORP /DE/ Common Stock (QMCO)

Filing Manager: Dialectic Technology SPV LLC
Reporting Manager: JOHN FICHTHORN
Security: QUANTUM CORP /DE/ Common Stock
Symbol: QMCO
Shares outstanding: 21,824,102 shares
Disclosed Ownership: 8,140,390 shares
Ownership: 37%
Form type: SCHEDULE 13D/A
Filing time: 22 Dec 2025, 20:32:47 UTC
Date of event: 18 Dec 2025
Previous filing: 10 Oct 2025
Next filing: 12 Jan 2026
SEC: View on sec.gov

Reporting Managers (3)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Dialectic Technology SPV LLC	37%	8,125,119	0	8,125,119	/s/ John Fichthorn	John Fichthorn / Authorized Signatory	0002055322
Dialectic Technology Manager LLC	37%	8,125,119	0	8,125,119	/s/ John Fichthorn	John Fichthorn / Manager
JOHN FICHTHORN	37%	8,140,390	15,271	8,125,119	/s/ John Fichthorn	John Fichthorn	0001411509