Quantum (QMCO)8-K

Shareholder Vote

Sep 17
Quantum (QMCO)8-K

Executive Change; Other Events; Financial Statements

Sep 1
Quantum (QMCO)8-K

Executive Change

Aug 15
Quantum (QMCO)10-Q

Quarterly Report · ended 2026-06-30 · Rev $80.8M, NI -$155.3M

Aug 11
Quantum (QMCO)8-K

Earnings Release; Financial Statements

Aug 11
Quantum (QMCO)4

Craythorne Anthony sold 1,478 shares at $10.73 on 2026-08-03

Aug 6
Quantum (QMCO)4

Nash Laura A. sold 260 shares of Common Stock at $10.51 on 2026-07-02

Jul 8
Quantum (QMCO)4

Meyrath Hugues sold 6,232 shares of Common Stock at $10.51 on 2026-07-02

Jul 8
Quantum (QMCO)10-K

QUANTUM CORP /DE/ filed 10-K on 2026-06-25

Jun 26
Quantum (QMCO)8-K

8-K current report

Jun 26
Quantum (QMCO)4

FICHTHORN JOHN bought 11,020,645 shares of Common Stock at $5.19 on 2026-06-04; FICHTHORN JOHN bought 3,083,975 shares of Common Stock at $5.19 on 2026-06-04; FICHTHORN JOHN transacted N/A shares of Common Stock at $N/A on N/A; FICHTHORN JOHN bought 105,911 shares of Warrant (right to buy) at $N/A on 2026-06-01; FICHTHORN JOHN sold 57,241,228 shares of Convertible Notes at $N/A on 2026-06-04

Jun 9
Quantum (QMCO)4

Dialectic Technology SPV LLC bought 11,020,645 shares of Common Stock at $5.19 on 2026-06-04; Dialectic Technology SPV LLC bought 3,083,975 shares of Common Stock at $5.19 on 2026-06-04; Dialectic Technology SPV LLC bought 105,911 shares of Warrant (right to buy) at $N/A on 2026-06-01; Dialectic Technology SPV LLC sold N/A shares of Convertible Notes at $N/A on 2026-06-04

Jun 9
Quantum (QMCO)8-K

8-K current report

Jun 6
Quantum (QMCO)8-K

8-K current report

Jun 2
Quantum (QMCO)4

Nash Laura A. sold 109 shares of Common Stock at $5.44 on 2026-04-02; Nash Laura A. bought 49,500 shares of Employee Stock Option (right to buy) at $N/A on 2026-04-01

Apr 4
Quantum (QMCO)4

Craythorne Anthony bought 148,500 shares of Employee Stock Option (right to buy) at $N/A on 2026-04-01

Apr 4
Quantum (QMCO)4

Meyrath Hugues bought 850,000 shares of Employee Stock Option (right to buy) at $N/A on 2026-04-01

Apr 4
Quantum (QMCO)4

White William Hillis bought 25,000 shares of Common Stock at $N/A on 2026-03-04

Mar 5
Quantum (QMCO)10-Q

QUANTUM CORP /DE/ filed 10-Q on 2026-02-17

Feb 18
Quantum (QMCO)8-K

8-K current report

Feb 18