<SEC-DOCUMENT>0001193125-19-268540-index.html : 20191016
<SEC-HEADER>0001193125-19-268540.hdr.sgml : 20191016
<ACCEPTANCE-DATETIME>20191016163407
ACCESSION NUMBER:		0001193125-19-268540
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20191113
FILED AS OF DATE:		20191016
DATE AS OF CHANGE:		20191016
EFFECTIVENESS DATE:		20191016

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			QUANTUM CORP /DE/
		CENTRAL INDEX KEY:			0000709283
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER STORAGE DEVICES [3572]
		IRS NUMBER:				942665054
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13449
		FILM NUMBER:		191153097

	BUSINESS ADDRESS:	
		STREET 1:		224 AIRPORT PARKWAY
		STREET 2:		SUITE 550
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95110
		BUSINESS PHONE:		408 944 4000

	MAIL ADDRESS:	
		STREET 1:		224 AIRPORT PARKWAY
		STREET 2:		SUITE 550
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95110
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>d783126ddef14a.htm
<DESCRIPTION>DEFINITIVE PROXY STATEMENT
<TEXT>
Document 1 - file: d783126ddef14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g783126g23c09.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g783126g23c09.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g783126g33t86.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g783126g33t86.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g783126g89s41.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g783126g89s41.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g783126g96o13.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g783126g96o13.jpg

</DOCUMENT>
</SEC-DOCUMENT>