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.
Quantum Corporation filings document the regulatory record for a Delaware technology company that provides data management solutions for unstructured data. Its Form 8-K reports cover quarterly and preliminary financial results, executive appointments, and material definitive agreements affecting the company’s capital structure.
The company’s registration statements disclose securities offering matters, while proxy materials cover annual meeting governance and shareholder voting matters. Recent capital-structure disclosures include a completed debt exchange involving senior secured convertible notes, alongside related agreement and shareholder-approval documentation.
Quantum Corp director and 10% owner John Fichthorn reported indirect transactions through Dialectic Technology SPV LLC. On June 4, Dialectic converted $57,241,228 of 10.00% PIK senior secured convertible notes due 2028 into 11,020,645 shares of common stock, and the notes were cancelled.
As additional consideration for the conversion, Dialectic received 3,083,975 extra common shares based on a $5.194 per-share value, and now indirectly holds 14,104,620 common shares. Separately, on June 1 the company issued Dialectic a warrant to buy 105,911 common shares at an exercise price of $5.194 per share for five years, and Fichthorn directly holds 28,896 common shares, including 1,625 received from a trust distribution.
Dialectic Technology SPV LLC, a 10% owner of Quantum Corp, significantly increased its equity stake through a debt-to-equity conversion. On the June 4, 2026 closing date, Dialectic converted $57,241,228.00 of senior secured convertible notes, including all principal and accrued interest, into 11,020,645 shares of common stock at $5.194 per share.
As additional consideration for this conversion, Quantum issued Dialectic a further 3,083,975 common shares, reflecting the present value of approximately $13.0 million of future PIK interest plus about $3.0 million of deferred cash interest, divided by $5.194. Dialectic held 14,104,620 common shares after these transactions. Separately, on June 1, 2026, Quantum issued Dialectic a warrant to purchase 105,911 common shares at an exercise price of $5.194 per share, exercisable until July 1, 2031.
Quantum Corporation major holder Dialectic files Amendment No. 3 to its Schedule 13D after a large debt-for-equity conversion. Dialectic and related entities report beneficial ownership of 16,863,839 shares of Common Stock, representing 40.0% of the class, with John Fichthorn reporting 16,892,735 shares including personal holdings and RSUs.
On June 4, 2026, Dialectic voluntarily converted the full principal and accrued interest of the Convertible Notes into equity under a June 1, 2026 Conversion Agreement. Quantum issued 11,020,645 shares on conversion and a further 3,083,975 consideration shares, plus a new warrant for 105,911 shares at $5.1940 per share. Existing forbearance and warrant registration arrangements were amended, and Dialectic received registration rights and a right of first refusal alongside other private placement investors.
Quantum Corporation significantly reshaped its balance sheet and corporate calendar. The company paid $57.8 million to terminate its Term Loan Credit and Security Agreement, including $56.0 million of principal, $1.5 million of accrued interest, and $0.3 million of fees and expenses.
All outstanding 10.00% PIK Senior Secured Convertible Notes due 2028 were canceled, and the related Indenture was fully satisfied and discharged. Quantum also terminated its Standby Equity Purchase Agreement with Yorkville, with no amounts owed at termination, and set September 15, 2026 as the date for its 2026 annual meeting of stockholders, with stockholder proposals due by June 17, 2026.
Quantum Corporation entered into a private placement to sell 10,615,712 shares of common stock at $9.42 per share, raising gross proceeds of $100.0 million and expecting net proceeds of about $94.7 million. The company plans to use most of this cash to repay all existing term debt and fund working capital and general corporate purposes.
Dialectic Technology SPV LLC agreed to convert approximately $57.242 million of 10.00% PIK Senior Secured Convertible Notes, plus accrued interest, into common stock at $5.1940 per share and will receive about 3.1 million additional shares and a warrant for 105,911 shares at $5.1940. A concurrent credit agreement amendment extends term loan maturity to September 2028 and eases mandatory prepayment of future equity proceeds. The transactions are supported by registration rights, lock-up and right-of-first-refusal agreements, and were approved by independent board committees.
Quantum Corporation entered into a private placement to sell 10,615,712 shares of common stock at $9.42 per share, raising gross proceeds of $100.0 million and expecting net proceeds of about $94.7 million. The company plans to use most of this cash to repay all existing term debt and fund working capital and general corporate purposes.
Dialectic Technology SPV LLC agreed to convert approximately $57.242 million of 10.00% PIK Senior Secured Convertible Notes, plus accrued interest, into common stock at $5.1940 per share and will receive about 3.1 million additional shares and a warrant for 105,911 shares at $5.1940. A concurrent credit agreement amendment extends term loan maturity to September 2028 and eases mandatory prepayment of future equity proceeds. The transactions are supported by registration rights, lock-up and right-of-first-refusal agreements, and were approved by independent board committees.
Quantum Corp’s Chief Accounting Officer Laura A. Nash reported two compensation-related equity moves. On April 2, 2026, 109 shares of common stock were automatically sold at a weighted average price of $5.44 to cover tax withholding on vesting restricted stock units, leaving her with 11,030 common shares held directly. On April 1, 2026, she received a grant of 49,500 nonstatutory stock options with a $5.03 exercise price, which vest in equal monthly installments over four years beginning April 1, 2026 and expire in 2033.
Quantum Corp (QMCO) Chief Revenue Officer Anthony Craythorne received a grant of 148,500 employee stock options. These options give him the right to buy Quantum common stock at an exercise price of $5.03 per share until their expiration on April 1, 2033.
The nonstatutory stock options were awarded as compensation and are classified as a grant/award acquisition, not an open-market purchase or sale. The award vests over four years in equal monthly installments beginning on April 1, 2026, conditioned on his continued service through each vesting date. After this grant, he holds 148,500 options directly.
Meyrath Hugues reported acquisition or exercise transactions in this Form 4 filing.
Quantum Corp (QMCO) President & CEO Hugues Meyrath received a grant of 850,000 employee stock options. Each option allows him to buy one share of common stock at $5.03 per share until April 1, 2033. The options vest in equal monthly installments over four years starting April 1, 2026, contingent on his continued service.
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).