QUANTUM CORP /DE/ SEC Filings

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

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

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

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

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

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

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

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

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

Craythorne Anthony bought 15,000 shares of Common Stock at $N/A on 2026-01-01

Meyrath Hugues bought 62,500 shares of Common Stock at $N/A on 2026-01-01; Meyrath Hugues bought 50,000 shares of Employee Stock Option (right to buy) at $N/A on 2026-01-01

White Yue Zhou bought 12,000 shares of Common Stock at $N/A on 2026-01-01