Form SD QUANTUM CORP /DE/
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E-mailUNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM SD
Specialized Disclosure Report
QUANTUM CORPORATION
(Exact name of registrant as specified in its charter)
| Delaware | 001-13449 | 94-2665054 | ||
| (State or other jurisdiction of incorporation or organization) |
(Commission File Number) |
(I.R.S. Employer Identification No.) |
| 10770 East Briarwood Avenue, Centennial, Colorado | 80112 | |
| (Address of principal executive offices) | (Zip Code) | |
| Laura A. Nash, Chief Accounting Officer | (408) 944-4000 | |
| (Name and telephone number, including area code, of the person to contact in connection with this report.) | ||
Check the appropriate box to indicate the rule pursuant to which this form is being filed:
| ☒ | Rule 13p-1 under the Securities Exchange Act (17 CFR 240.13p-1) for the reporting period from January 1 to December 31, 2025. |
| ☐ | Rule 13q-1 under the Securities Exchange Act (17 CFR 240.13q-1) for the fiscal year ended December 31, 2025. |
Section 1 – Conflict Minerals Disclosure
Item 1.01 Conflict Minerals Disclosure and Report
Quantum Corporation (the “Company”) files this Form SD pursuant to Rule 13p-1 of the Securities Exchange Act of 1934, as amended, for the reporting period from January 1, 2025, to December 31, 2025.
A copy of the Company’s Conflict Minerals Report is provided as Exhibit 1.01 to this Form SD and is available at the following address: https://investors.quantum.com/financial-information/sec-filings.
Item 1.02 Exhibit
A copy of the Company’s Conflict Minerals Report is filed as Exhibit 1.01 to this Form SD.
Section 2 - Resource Extraction Issuer Disclosure
Item 2.01 Resource Extraction Issuer Disclosure and Report
Not applicable.
Section 3 – Exhibits
Item 3.01 Exhibits
The following is filed as an exhibit to this Form SD.
Exhibit 1.01 — Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form.
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the duly authorized undersigned.
| QUANTUM CORPORATION |
| /s/ Laura A. Nash |
| Laura A. Nash |
| Chief Accounting Officer |
| Date: May 29, 2026 |
ATTACHMENTS / EXHIBITS
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