QUANTUM CORP /DE/

Q: Jun 30 2026

FY: Mar 31 2026

FY: Mar 31 2026

Q: Dec 31 2025

Q: Sep 30 2025

Q: Jun 30 2025

Q: Jun 30 2025

FY: Mar 31 2025

Q: Jun 30 2025

FY: Mar 31 2025

Q: Dec 31 2024

Q: Sep 30 2024

Q: Sep 30 2023

Q: Dec 31 2023

Q: Jun 30 2024

FY: Mar 31 2024

Q: Dec 31 2023

Q: Sep 30 2023

Q: Jun 30 2023

FY: Mar 31 2023

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Submission of Matters to a Vote of Security Holders

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Results of Operations and Financial Condition

Results of Operations and Financial Condition

Termination of a Material Definitive Agreement

Entry into a Material Definitive Agreement

Results of Operations and Financial Condition

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Results of Operations and Financial Condition

Entry into a Material Definitive Agreement

Results of Operations and Financial Condition

Results of Operations and Financial Condition

Shareholder Nominations Pursuant to Exchange Act Rule 14a-11

Changes in Registrant's Certifying Accountant

Entry into a Material Definitive Agreement

Other Events

Results of Operations and Financial Condition

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Registration (IPO) statement under Securities Act of 1933

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Registration (IPO) statement under Securities Act of 1933

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Registration (IPO) statement under Securities Act of 1933

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Post-effective amendment to a registration statement

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Registration statement under Securities Act of 1933

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Amended Initial Registration Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Preliminary Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Preliminary Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Preliminary Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Preliminary Proxy Statement

Additional Information for Proxy Statement/ Votes

Blevins Tony J

Tracy John R.

FICHTHORN JOHN

Clancy James C

Meyrath Hugues

Patel Hiral

Jaworksi Don

Craythorne Anthony

White Yue Zhou

Patel Hiral

Alyeska Investment Group, L.P.

Two Seas Capital LP

OAKTREE CAPITAL MANAGEMENT LP

Craythorne Anthony

Nash Laura A.

Meyrath Hugues

FICHTHORN JOHN

Dialectic Technology SPV LLC

Dialectic Technology SPV LLC

Meyrath Hugues

Annual Report Scanned (Paper)

Specialized Disclosure Report

Correspondence with the SEC

Letter from the SEC

Annual Report Scanned (Paper)

Specialized Disclosure Report

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Annual Report Scanned (Paper)

Specialized Disclosure Report

Annual Report Scanned (Paper)

Specialized Disclosure Report