Nasdaq confirms Quantum Corporation (NASDAQ: QMCO) back in filing compliance

Rhea-AI Filing Summary

Quantum Corporation reports that Nasdaq has confirmed the company is back in full compliance with its periodic reporting obligations under Nasdaq Listing Rule 5250(c)(1). The confirmation letter, dated September 12, 2025, states that Quantum now complies with the rule and that the matter is closed, removing the prior listing compliance issue.

Insights

Equity market structure analyst

Nasdaq confirms Quantum has resolved its listing compliance issue.

Quantum Corporation received confirmation from Nasdaq staff on September 12, 2025 that it has regained compliance with Listing Rule 5250(c)(1), which governs timely periodic SEC filings. Nasdaq has closed the matter, indicating no current deficiency on this rule.

This outcome reduces the immediate risk of Nasdaq listing sanctions that can follow prolonged non-compliance, such as warnings, hearings, or eventual delisting. The disclosure focuses solely on the compliance status and does not describe any financial terms or operational changes.

Future investor attention will likely center on whether Quantum consistently meets ongoing reporting deadlines under Rule 5250(c)(1) in subsequent periods. Continued timely filings would help maintain this restored compliance status and avoid re-opening listing concerns.

0000709283FALSE00007092832025-09-152025-09-15

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): September 12, 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 8.01 Other Events.

On September 12, 2025, Quantum Corporation (the “Company”) received a letter from the listing qualifications staff (the “Staff”) of The Nasdaq Stock Market (“Nasdaq”) confirming that the Company has regained compliance with the periodic filing requirement in Nasdaq Listing Rule 5250(c)(1). Accordingly, the Staff has determined that the Company complies with the rule and the matter is now closed.

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)

September 15, 2025

/s/ Laura A. Nash

(Date)

Laura A. Nash

Chief Accounting Officer

FAQ

What did Quantum Corporation (QMCO) disclose in this 8-K filing?

Quantum Corporation disclosed that Nasdaq confirmed it has regained compliance with Listing Rule 5250(c)(1). This rule covers timely periodic SEC filings. Nasdaq’s staff stated the company now complies with the rule and that the compliance matter is closed.

What is Nasdaq Listing Rule 5250(c)(1) mentioned for Quantum (QMCO)?

Nasdaq Listing Rule 5250(c)(1) requires listed companies to make timely periodic SEC filings. Quantum Corporation’s 8-K states Nasdaq staff confirmed the company has regained compliance with this rule, meaning its periodic reporting obligations are currently considered satisfied.

When did Nasdaq confirm Quantum Corporation regained compliance?

Nasdaq staff confirmed Quantum Corporation’s compliance on September 12, 2025. The 8-K explains that Nasdaq sent a letter on this date stating Quantum now meets Listing Rule 5250(c)(1), and that the prior compliance matter is formally closed.

Does this Quantum (QMCO) 8-K indicate any Nasdaq listing action is pending?

The 8-K states the Nasdaq staff considers the matter closed after Quantum regained compliance. By confirming compliance with Listing Rule 5250(c)(1), Nasdaq indicates no ongoing deficiency proceeding on this specific periodic filing requirement.

Who signed the Quantum Corporation 8-K about Nasdaq compliance?

The 8-K was signed by Laura A. Nash, Quantum Corporation’s Chief Accounting Officer. The signature is dated September 15, 2025, confirming the company’s acknowledgment that Nasdaq has verified its renewed compliance with periodic filing requirements.