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Year archive

QUANTUM CORP /DE/ — 2025 filings

All 99 regulatory filings released by QUANTUM CORP /DE/ (QMCO) in 2025, sourced directly from the official regulator.

99 Filings
2025 Period
2025 filings (99)
Filing Released Lang
Director's Dealing
2025-12-29 English
Director's Dealing
2025-12-23 English
Director's Dealing
2025-12-23 English
Major Shareholding Notification
2025-12-22 English
Regulatory Filings
2025-12-18 English
Regulatory Filings
2025-12-02 English
Prospectus
2025-11-24 English
Regulatory Filings
2025-11-24 English
S-1
Registration Form
2025-11-15 English
Interim / Quarterly Report Q2 2025
2025-11-13 English
8-K
Regulatory Filings
2025-11-13 English
Director's Dealing
2025-11-05 English
Director's Dealing
2025-11-05 English
Director's Dealing
2025-11-05 English
ARS
Annual Report
2025-10-31 English
Regulatory Filings
2025-10-31 English
Proxy Solicitation & Information Statement
2025-10-31 English
8-K
Regulatory Filings
2025-10-28 English
Regulatory Filings
2025-10-21 English
8-K
Regulatory Filings
2025-10-20 English
Major Shareholding Notification
2025-10-10 English
8-K
Regulatory Filings
2025-10-06 English
Director's Dealing
2025-10-03 English
Director's Dealing
2025-10-03 English
Prospectus
2025-10-01 English
Regulatory Filings
2025-10-01 English
Regulatory Filings
2025-09-26 English
Interim / Quarterly Report Q1 2026
2025-09-23 English
Regulatory Filings
2025-09-23 English
8-K
Regulatory Filings
2025-09-23 English
Director's Dealing
2025-09-18 English
Director's Dealing
2025-09-18 English
Director's Dealing
2025-09-18 English
8-K
Regulatory Filings
2025-09-15 English
Interim / Quarterly Report Q1 2025
2025-09-11 English
8-K
Regulatory Filings
2025-09-10 English
8-K
Regulatory Filings
2025-08-28 English
8-K
Regulatory Filings
2025-08-26 English
Annual Report FY 2025
2025-08-26 English
8-K
Regulatory Filings
2025-08-18 English
Regulatory Filings
2025-08-15 English
8-K
Regulatory Filings
2025-08-08 English
8-K
Regulatory Filings
2025-07-23 English
Director's Dealing
2025-07-14 English
8-K
Regulatory Filings
2025-07-08 English
Regulatory Filings
2025-06-30 English
8-K
Regulatory Filings
2025-06-18 English
8-K
Regulatory Filings
2025-06-03 English
SD
Regulatory Filings
2025-05-28 English
Major Shareholding Notification
2025-05-15 English
Major Shareholding Notification
2025-05-08 English
8-K
Regulatory Filings
2025-05-06 English
Director's Dealing
2025-05-05 English
Director's Dealing
2025-04-30 English
8-K
Regulatory Filings
2025-04-29 English
Prospectus
2025-04-29 English
Regulatory Filings
2025-04-29 English
Regulatory Filings
2025-04-24 English
Regulatory Filings
2025-04-24 English
Director's Dealing
2025-04-23 English
Director's Dealing
2025-04-23 English
Director's Dealing
2025-04-23 English
S-3
Registration Form
2025-04-18 English
4
Director's Dealing
2025-04-17 English
Major Shareholding Notification
2025-04-17 English
8-K
Regulatory Filings
2025-04-17 English
Regulatory Filings
2025-04-15 English
Director's Dealing
2025-04-14 English
Director's Dealing
2025-04-04 English
8-K
Regulatory Filings
2025-04-03 English
Major Shareholding Notification
2025-04-01 English
Proxy Solicitation & Information Statement
2025-03-27 English
Major Shareholding Notification
2025-03-22 English
8-K
Regulatory Filings
2025-03-20 English
Regulatory Filings
2025-03-17 English
Major Shareholding Notification
2025-02-22 English
Interim / Quarterly Report Q3 2025
2025-02-12 English
8-K
Regulatory Filings
2025-02-12 English
Regulatory Filings
2025-02-12 English
Prospectus
2025-02-11 English
Regulatory Filings
2025-02-07 English
Registration Form
2025-02-06 English
Director's Dealing
2025-02-05 English
Regulatory Filings
2025-02-03 English
Major Shareholding Notification
2025-01-31 English
S-1
Registration Form
2025-01-27 English
8-K
Regulatory Filings
2025-01-27 English
4
Director's Dealing
2025-01-18 English
4
Director's Dealing
2025-01-18 English
4
Director's Dealing
2025-01-18 English
4
Director's Dealing
2025-01-18 English
4/A
Director's Dealing
2025-01-18 English
4/A
Director's Dealing
2025-01-18 English
4/A
Director's Dealing
2025-01-18 English
4/A
Director's Dealing
2025-01-18 English
4/A
Director's Dealing
2025-01-18 English
4
Director's Dealing
2025-01-08 English
Major Shareholding Notification
2025-01-08 English
Major Shareholding Notification
2025-01-06 English