QUANTUM CORP /DE/ reports

Company location: San Jose, CA
Fiscal year end: 31 March

QUANTUM CORP /DE/ has filed 1,995 SEC EDGAR filings since 28 Jan 1994

Filter by type:
10-K
10-Q
8-K
SC13D
SC13G

SEC filing history

Showing 726-750 of 1,000 matching filings.

Per page

25

Current page

30

UPLOAD

UPLOAD filing

Filing date: 13 Feb 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

PREC14A File 001-13449

FEBRUARY 6, 2017

Filing date: 06 Feb 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 06 Feb 2017
Reporting date: 03 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 06 Feb 2017
Reporting date: 03 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 06 Feb 2017
Reporting date: 03 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

DFAN14A File 001-13449

FEBRUARY 6, 2017

Filing date: 06 Feb 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13D/A File 005-35818

AMENDMENT NO. 1

Filing date: 06 Feb 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13D/A File 005-35818

FEBRUARY 6, 2017

Filing date: 06 Feb 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

PREC14A File 001-13449

PRELIMINARY PROXY STATEMENT IN CONNECTION WITH CONTESTED SOLICITATIONS

Filing date: 03 Feb 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

DEFA14A File 001-13449

DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS

Filing date: 03 Feb 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-13449

10-Q

Filing date: 03 Feb 2017
Reporting date: 31 Dec 2016
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

PRE 14A File 001-13449

PRELIMINARY PROXY STATEMENT

Filing date: 03 Feb 2017
Reporting date: 31 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

DFAN14A File 001-13449

DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS FILED BY NON-MANAGEMENT

Filing date: 03 Feb 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

DEFA14A File 001-13449

CURRENT REPORT

Filing date: 25 Jan 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-13449

CURRENT REPORT

Filing date: 25 Jan 2017
Reporting date: 25 Jan 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

DEFA14A File 001-13449

CURRENT REPORT

Filing date: 12 Jan 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-13449

CURRENT REPORT

Filing date: 12 Jan 2017
Reporting date: 12 Jan 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 07 Dec 2016
Reporting date: 06 Dec 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 07 Dec 2016
Reporting date: 06 Dec 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13D/A File 005-35818

AMENDMENT NO. 8 TO THE SCHEDULE 13D

Filing date: 07 Dec 2016
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13D/A File 005-35818

DECEMBER 6, 2016

Filing date: 06 Dec 2016
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 05 Dec 2016
Reporting date: 01 Dec 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 05 Dec 2016
Reporting date: 01 Dec 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-13449

FORM 8-K

Filing date: 05 Dec 2016
Reporting date: 02 Dec 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-13449

8-K

Filing date: 02 Dec 2016
Reporting date: 01 Dec 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. to update or revoke optional consent for future visits. For more information, see our Privacy Policy .