Every Form 4 that Quantum Corporation (QMCO) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow QMCO and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full QMCO filings page.
Quantum Corp director Yue Zhou White received 12,000 restricted stock units on October 1, 2026. Each unit represents a contingent right to receive one share of QMCO common stock. The units vest in full on the earlier of October 1, 2027 or the date of the company's next annual meeting, subject to her continued service on the board. Her reported direct position after the award was 53,139 shares.
Quantum Corp (QMCO) director Tony J. Blevins acquired 12,000 restricted stock units (RSUs) on October 1, 2026. His reported direct holdings following the transaction were 25,000 shares. Each RSU represents a contingent right to receive one share of common stock. The RSUs vest in full on the earlier of October 1, 2027 or the date of the company’s next annual meeting, subject to his continued service on the board.
Quantum Corp director John R. Tracy received a grant of 12,000 restricted stock units (RSUs) on October 1, 2026, at a reported transaction price of $0.0000 per share. Each RSU represents a contingent right to receive one share of common stock. The units vest in full on the earlier of October 1, 2027 or the date of the company's next annual meeting of stockholders, subject to Tracy's continued service on the board. His reported direct position following the award was 39,000 shares of Common Stock.
Quantum Corp director and 10% owner John Fichthorn received 12,000 restricted stock units on October 1, 2026; each unit represents a contingent right to receive one common share. The units vest in full on the earlier of October 1, 2027, or the date of Quantum's next annual meeting of stockholders, subject to continued board service. After the grant, Fichthorn reported 40,896 directly held shares. Dialectic Technology SPV LLC directly held 14,104,620 shares, reported as indirectly held by Fichthorn, who disclaims beneficial ownership except to the extent of any pecuniary interest.
Quantum Corp (QMCO) granted Chief Operating Officer James C. Clancy 150,000 restricted stock units and options covering 400,000 common shares on October 1, 2026. The RSUs vest in three equal annual installments beginning October 1, 2027, subject to continued service. The options have a $31.885 exercise price, expire October 1, 2033, and vest in equal monthly installments over four years beginning November 1, 2026, subject to continued service. Clancy held 163,000 shares of common stock directly following the RSU grant.
Quantum Corp (QMCO) granted President & CEO Hugues Meyrath a nonstatutory stock option covering 500,000 common shares on October 1, 2026. The option has an exercise price of $31.8850 per share and expires October 1, 2033. It vests in equal monthly installments over four years beginning November 1, 2026, with a vesting commencement date of October 1, 2026, subject to his continued service through each vesting date.
Quantum Corp (QMCO) Chief Accounting Officer Hiral Patel acquired 50,000 restricted stock units on October 1, 2026. Each RSU represents a contingent right to receive one common share. The reported position following the grant was 50,000 shares. The RSUs vest in three equal annual installments beginning October 1, 2027, subject to continued service through each vesting date; the vesting commencement date is October 1, 2026.
Quantum Corp (QMCO) director Don Jaworksi received an award of 12,000 restricted stock units on October 1, 2026. Each unit represents a contingent right to receive one common share. His reported direct position following the award was 51,675 shares; the reported transaction price was $0.00 per share. This was a grant/award acquisition, not a purchase.
Quantum Corp (QMCO) Chief Revenue Officer Anthony Craythorne received a grant of 200,000 employee stock options on October 1, 2026, to acquire common stock at an exercise price of $31.885 per share. The options expire October 1, 2033. They vest in equal monthly installments over four years beginning November 1, 2026, with a vesting commencement date of October 1, 2026, subject to continued service through each vesting date.
Quantum Corp Chief Revenue Officer Anthony Craythorne reported selling 1,478 shares of common stock on August 3, 2026 at $10.7281 per share. The shares were automatically sold on a non-discretionary basis to cover tax withholding from vesting of restricted stock units granted on January 1, 2026, leaving him with 13,522 shares held directly, which remain subject to a Lock-Up Letter Agreement dated June 1, 2026.
Quantum Corp’s Chief Accounting Officer, Laura A. Nash, reported an automatic sale of company stock tied to tax obligations. On July 2, 2026, 260 shares of common stock were sold at a weighted average price of $10.51 per share to cover tax withholding from restricted stock units that vested from a July 1, 2023 grant. After this transaction, Nash directly holds 10,770 shares of Quantum common stock. The sale was executed on a non-discretionary basis as part of block trades for multiple security holders and is also subject to a Lock-Up Letter Agreement dated June 1, 2026.
Quantum Corp (QMCO) President & CEO Hugues Meyrath reported an automatic sale of 6,232 shares of common stock. The shares were sold on July 2, 2026 at a weighted average price of about $10.51 per share, in block trades ranging from $10.48 to $10.53.
According to the footnotes, the shares were automatically sold on a non-discretionary basis to cover tax withholding obligations tied to the vesting of restricted stock units granted on November 1, 2025 and January 1, 2026. After this transaction, Meyrath directly holds 118,468 shares of Quantum common stock.
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 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 (QMCO) reported an insider transaction on Form 4: a director received a grant of 1,000 restricted stock units (RSUs) on 11/01/2025 at a stated price of $0 per unit.
The RSUs vest in full on the earlier of November 1, 2026 or the date of the company’s next annual stockholder meeting, subject to continued board service. Following the grant, beneficial ownership stands at 1,000 common shares, held directly.
Quantum Corporation (QMCO) reported a Form 4 showing a director received 1,000 shares of common stock via a restricted stock unit (RSU) grant on November 1, 2025 at a stated price of $0.
The RSUs vest in full on the earlier of November 1, 2026 or the date of the company’s next annual stockholder meeting, contingent on continued service on the Board. Following the transaction, the reporting person beneficially owned 1,000 shares, held directly.
Quantum Corporation (QMCO) reported an insider equity grant. President & CEO and Director Hugues Meyrath acquired 37,500 shares of common stock via RSUs at $0 on 11/01/2025. He was also granted an employee stock option for 50,000 shares at an exercise price of $9.44.
The RSUs vest in four equal annual installments beginning July 1, 2026 (vesting commencement date July 1, 2025). The stock option vests on the same four-annual-installment schedule starting July 1, 2026. After these transactions, 62,200 common shares were beneficially owned directly, and 50,000 options were held.