[8-K] Quantum Corporation Reports Material Event

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 21, 2025

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 No.)

(I.R.S. Employer Identification No.)

10770 E. Briarwood Avenue

Centennial,

CO

80112

(Address of Principal Executive Offices)

(Zip Code)

(408)			944-4000
Registrant's telephone number, including area code

N/A

(Former name, former address and former fiscal year, if changed since last report)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol

Name of each exchange on which registered

Common Stock, $0.01 par value per share

QMCO

Nasdaq Global Market

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing.

On August 21, 2025, Quantum Corporation (the “Company”) received a written notice (the “Notice”) from the Listing Qualifications staff of the Nasdaq Stock Market LLC (“Nasdaq”) stating that the Company is not in compliance with Nasdaq Listing Rule 5250(c)(1) as a result of the Company’s failure to timely file its Quarterly Report on Form 10-Q for the fiscal quarter ended June 30, 2025 (the “Quarterly Report”) with the Securities and Exchange Commission (the “SEC”).

On August 15, 2025, the Company filed a Notification of Late Filing on Form 12b-25 with the SEC indicating that the Quarterly Report would be delayed due to additional time being needed to finalize, and for its independent registered public accounting firm to complete their review of, the Company’s financial statements, including financial statements for the annual and quarter periods included in the Company’s Annual Report on Form 10-K for the fiscal year ended March 31, 2025.

The Company is working diligently to complete its review and file the Quarterly Report within the timeline prescribed by Nasdaq.

The Notice has no immediate impact on the listing of the Company’s common stock, which will continue to trade on Nasdaq, subject to the Company’s compliance with other continued listing requirements of Nasdaq.

Item 8.01 Other Items.

On August 26, 2025, the Company issued a press release announcing its receipt of the Notice. The press release is attached hereto as Exhibit 99.1 hereto and is hereby incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.						Description
99.1						Press release dated August 26, 2025.
104						Cover Page Interactive Data File (embedded within the Inline XBRL document).

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 undersigned thereunto duly authorized.

Quantum Corporation

(Registrant)

August 26, 2025

/s/ Laura A. Nash

(Date)

Laura A. Nash

Chief Accounting Officer