Quick Takeaways
- Dialectic Technology SPV LLC filed SCHEDULE 13D/A for QUANTUM CORP /DE/ Common Stock (QMCO).
- Disclosed ownership: 41%.
- Date of event: 08 Jan 2026.
Dialectic Technology SPV LLC - 08 Jan 2026 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
- 23,408,763 shares
- Disclosed Ownership
- 9,691,228 shares
- Ownership
- 41%
- Form type
- SCHEDULE 13D/A
- Filing time
- 12 Jan 2026, 18:58:44 UTC
- Date of event
- 08 Jan 2026
- Previous filing
- 22 Dec 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Dialectic Technology SPV LLC disclosed 41% ownership in QUANTUM CORP /DE/ Common Stock (QMCO) on 08 Jan 2026."
What Changed
- Previous schedule filing date: 22 Dec 2025.
- Current filing was accepted on 12 Jan 2026, 18:58.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (3)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Dialectic Technology SPV LLC | 41% | 9,663,957 | 0 | 9,663,957 | /s/ John Fichthorn | John Fichthorn / Authorized Signatory | 0002055322 |
| Dialectic Technology Manager LLC | 41% | 9,663,957 | 0 | 9,663,957 | /s/ John Fichthorn | John Fichthorn / Manager | |
| JOHN FICHTHORN | 41% | 9,691,228 | 27,271 | 9,663,957 | /s/ John Fichthorn | John Fichthorn | 0001411509 |