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QUANTUM CORP /DE/

For the period ended Sep 30, 2025. Filed Nov 13, 2025.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2025 · Filed Nov 13, 2025

QMCO$16.99+17.4%Stored close · as of Nov 9, 2026

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Item 6. Exhibits

The exhibits required to be filed or furnished as part of this Quarterly Report are listed below. Notwithstanding any language to the contrary, exhibits 32.1 and 32.2 shall not be deemed to be filed as part of this Quarterly Report for purposes of Section 18 of the Exchange Act or deemed to be incorporated by reference into any filing under the Exchange Act or the Securities Act of 1933, except to the extent that the Company specifically incorporates it by reference.

Incorporated by Reference
ExhibitNumberExhibit DescriptionFormFiling DateExhibitFiled or Furnished Herewith
3.1Amended and Restated Certificate of Incorporation of the Company, as amended through August 26, 2024S-11/27/253.1
3.2Amended and Restated Bylaws, as amended through June 12, 20258-K6/18/253.1
4.1Warrant to Purchase Common Stock dated September 23, 2025 issued to Dialectic Technology SPV LLC8-K9/23/254.1
4.2Registration Rights Agreement dated September 23, 2025 by and between the Company and Dialectic Technology SPV LLC8-K9/23/254.2
10.1#Offer Letter dated August 27, 2025 by and between the Company and James C. Clancy8-K8/28/2510.1
10.2#Offer Letter dated August 27, 2025 by and between the Company and Tony J. Blevins8-K8/28/2510.2
10.3*Transaction Agreement dated September 23, 2025 by and among the Company, Dialectic Technology SPV LLC, OC III LVS XXXIII LP., and OC III LVS XL LP8-K9/23/2510.1
10.4*Fifteenth Amendment to Term Loan Credit and Security Agreement dated September 23, 2025 by and among the Company, Quantum LTO Holdings, LLC, the borrowers and guarantors party thereto, the lenders party thereto, and Alter Domus (US) LLC, as disbursing agent and collateral agent8-K9/23/2510.2
10.5#Settlement Agreement dated July 16, 2025 by and between Quantum Storage UK Ltd and H.J.W. SpanjaardX
10.6#Separation Agreement and General Release of Claims dated August 20, 2025, by and between the Company and Lewis W. MooreheadX
31.1Certification of the Principal Executive Officer pursuant to Section 302(a) of the Sarbanes-Oxley Act of 2002X
31.2Certification of the Principal Financial Officer pursuant to Section 302(a) of the Sarbanes-Oxley Act of 2002X
32.1^Certification of Principal Executive Officer pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002X
32.2^Certification of Principal Financial Officer pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002X
101.SCHXBRL Taxonomy Extension Schema DocumentX
101.CALXBRL Taxonomy Extension Calculation Linkbase DocumentX
101.DEFXBRL Taxonomy Extension Definition Linkbase DocumentX
101.LABXBRL Taxonomy Extension Label Linkbase DocumentX
101.PREXBRL Taxonomy Extension Presentation Linkbase DocumentX
104Cover page interactive data file, submitted using inline XBRL (contained in Exhibit 101)X
  • Schedules and attachments have been omitted pursuant to Item 601(a)(5) of Regulation S-K. The registrant hereby undertakes to furnish supplemental copies of any of the omitted schedules and attachments upon request by the Securities and Exchange Commission.
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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.