QUANTUM CORP /DE/ reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
San Jose, CA
SEC filing record 1 source field available
Fiscal year end
31 March
QUANTUM CORP /DE/ has filed 2,005 SEC EDGAR filings since 28 Jan 1994

SEC filing history

Showing 1-25 of 1,000 matching filings.

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25
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1
4

FORM 4

Filing date
07 Jul 2026
Reporting date
02 Jul 2026
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4

FORM 4

Filing date
07 Jul 2026
Reporting date
02 Jul 2026
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NT 10-K File 001-13449

NT 10-K

Filing date
15 Jun 2026
Reporting date
31 Mar 2026
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4

FORM 4

Filing date
08 Jun 2026
Reporting date
01 Jun 2026
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4

FORM 4

Filing date
08 Jun 2026
Reporting date
04 Jun 2026
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SCHEDULE 13D/A File 005-35818

SCHEDULE 13D/A filing

Filing date
08 Jun 2026
Reporting date
Not listed
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SD File 001-13449

SD

Filing date
29 May 2026
Reporting date
Not listed
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4

FORM 4

Filing date
03 Apr 2026
Reporting date
01 Apr 2026
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4

4

Filing date
03 Apr 2026
Reporting date
01 Apr 2026
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4

4

Filing date
03 Apr 2026
Reporting date
01 Apr 2026
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4

FORM 4

Filing date
04 Mar 2026
Reporting date
04 Mar 2026
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424B3 File 333-293560

424B3

Filing date
24 Feb 2026
Reporting date
Not listed
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EFFECT File 333-293560

EFFECT filing

Filing date
23 Feb 2026
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
19 Feb 2026
Reporting date
Not listed
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UPLOAD File 333-293560

UPLOAD filing

Filing date
19 Feb 2026
Reporting date
Not listed
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3

FORM 3

Filing date
09 Feb 2026
Reporting date
02 Feb 2026
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