Welcome to our dedicated page for Quantum SEC filings (Ticker: QMCO), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Quantum Corporation (NASDAQ: QMCO) SEC filings page provides direct access to the company’s regulatory disclosures, offering detailed insight into its financial condition, capital structure, governance, and data management business. As a Delaware corporation listed on the Nasdaq Global Market, Quantum files annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, proxy statements on Schedule 14A, and registration statements such as Form S-1.
Through these filings, investors can review segment-level revenue details, cost structures, and non-GAAP reconciliations that Quantum discusses in its earnings releases. Forms 10-K and 10-Q typically include information on product, service and subscription, and royalty revenue, gross profit, operating expenses, cash flows, and risk factors related to its data management platform for unstructured data.
Quantum’s Form 8-K filings document material events such as the Transaction Agreement and subsequent closing of a debt exchange with Dialectic Technology SPV LLC, the issuance of senior secured convertible notes, changes to its term loan facility, the grant of a Forbearance Warrant, and the appointment of CohnReznick LLP as independent registered public accounting firm. Other 8-Ks cover preliminary and final quarterly financial results, Nasdaq compliance updates, and the establishment of annual meeting dates.
The company’s DEF 14A proxy statements describe board composition, director elections, executive compensation, equity incentive plans, and shareholder proposals, while the S-1 registration statement filed in November 2025 outlines the resale of common stock issuable under the Forbearance Warrant and provides additional background on Quantum’s unstructured data and AI-focused business.
On this page, Stock Titan surfaces Quantum’s latest SEC filings as they are made available on EDGAR and enhances them with AI-powered summaries. These summaries are intended to highlight key points from lengthy documents—such as major financing terms, covenant changes, or governance proposals—so readers can more quickly understand the implications of 10-Ks, 10-Qs, 8-Ks, S-1s, and proxy materials. Users can also examine insider-related information through ownership and warrant disclosures contained in these filings.
White William Hillis reported acquisition or exercise transactions in this Form 4 filing.
Quantum Corp. reported an insider equity award to its Chief Financial Officer, William Hillis White. He received a grant of 25,000 restricted stock units, each representing one share of Quantum common stock. These RSUs vest in three equal annual installments starting on March 2, 2027, contingent on his continued service with the company through each vesting date.
Quantum Corporation registers up to 18,207,453 shares of common stock for resale by Dialectic Technology SPV LLC, representing the maximum number of shares issuable upon conversion of the Company’s 10.00% PIK Senior Secured Convertible Notes due 2028.
The prospectus states the Company will receive no proceeds from sales by the Selling Stockholder. It discloses 14,134,629 shares outstanding as of December 31, 2025 and describes the Convertible Notes (aggregate principal $54,718,114, initial conversion price $10.00, subject to quarterly resets with a $4.00 floor and other customary terms and registration rights).
Quantum Corporation is registering up to 18,207,453 shares of common stock for potential resale by Dialectic Technology SPV LLC, the holder of Quantum’s 10.00% PIK Senior Secured Convertible Notes due 2028. These shares may be issued upon conversion of the notes.
The notes have an aggregate principal amount of $54,718,114, an initial conversion price of $10.00 per share with reset features down to a floor of $4.00, and mature three years after closing. Quantum will not receive any proceeds from sales of these shares by the selling stockholder.
Quantum had 14,134,629 shares outstanding as of December 31, 2025. The company notes that resale of these shares, or the perception that such sales could occur, could put downward pressure on its stock price, and highlights liquidity covenants and asset security supporting the convertible notes.
Quantum Corporation reported a quarterly net loss of
Quantum Corporation reported improved fiscal Q3 2026 results with a smaller adjusted loss and stronger top-line performance. Revenue was $74.6 million, above preliminary results of $72.7 million and original guidance of $67 million plus or minus $2 million, driven by strong quarter-end shipments and conservative deferred revenue assumptions.
GAAP net loss was $27.8 million, or $2.03 per share, largely impacted by a $28.9 million loss on debt extinguishment, while non-GAAP adjusted net loss narrowed to $4.9 million, or $0.36 per share. Non-GAAP adjusted EBITDA improved to a positive $2.9 million from $0.5 million in the prior quarter. Term loan debt fell to $54.6 million from $105.9 million a year earlier, with a new convertible note fair valued at $75.9 million.
For fiscal Q4 2026, Quantum guides to revenue of $68 million plus or minus $2 million, non-GAAP adjusted operating expenses of $27 million plus or minus $2 million, non-GAAP adjusted basic net loss per share of $0.33 plus or minus $0.10, and non-GAAP adjusted EBITDA around breakeven.
Quantum Corporation’s new Chief Financial Officer, William Hillis White, filed an initial ownership report on Form 3 for the company’s common stock. The filing states that no securities are beneficially owned, meaning he reports holding no Quantum shares or derivatives as of the stated event date.
Quantum Corporation appointed William H. White as its new Chief Financial Officer and Principal Financial Officer, effective February 2, 2026. His offer includes a $375,000 base salary and eligibility for an annual bonus targeted at 50% of salary based on company and individual performance.
As a hiring inducement, he is slated to receive 25,000 restricted stock units vesting over three years and 25,000 performance-based RSUs tied to committee-approved metrics under the 2021 Inducement Plan, effective March 2, 2026. Change-of-control and severance arrangements provide up to 12 months of salary and bonus, equity vesting, and COBRA-related cash payments if he is involuntarily terminated around a qualifying change of control.
Quantum Corporation filed a current report to let investors know it has furnished preliminary financial results for its fiscal third quarter ended December 31, 2025. The company provided these early results through a press release dated January 15, 2026, which is attached as Exhibit 99.1.
The disclosure is made under Item 2.02 for results of operations and financial condition, and the company specifies that the information, including Exhibit 99.1, is being furnished rather than filed, so it is not subject to certain liabilities under the Securities Exchange Act and is not automatically incorporated into Securities Act registration statements.
Dialectic Technology SPV LLC, Dialectic Technology Manager LLC and John Fichthorn updated their Schedule 13D on Quantum Corp to reflect current beneficial ownership and recent security changes. Dialectic and its manager report beneficial ownership of 9,663,957 shares of common stock, or 41.3% of the class, assuming full cash exercise of a forbearance warrant for 2,653,308 shares and conversion of convertible notes into 7,010,649 shares. Based on the same assumptions, Fichthorn reports beneficial ownership of 9,691,228 shares, or 41.4% of the outstanding shares.
The filing notes that Quantum reset the conversion price of the convertible notes from $10.00 to $7.8050 per share effective after December 31, 2025, increasing the number of shares issuable on conversion to 7,010,649. Fichthorn directly holds 10,866 shares and 16,405 previously granted restricted stock units, and on January 1, 2026 he received an additional 12,000 RSUs for his service on the board, which vest in full on January 1, 2027 or at the next annual shareholder meeting.