Ownership Submission

FORM 4

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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3235-0287

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(Print or Type Responses)

1. Name and Address of Reporting Person ^*

B. Riley Financial, Inc.

2. Issuer Name and Ticker or Trading Symbol
QUANTUM CORP /DE/ [QMCO]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

_____ Director	__X__ 10% Owner
_____ Officer (give title below)	_____ Other (specify below)

(Last)

(First)

(Middle)

21255 BURBANK BOULEVARD, SUITE 400

3. Date of Earliest Transaction (Month/Day/Year)
01/29/2020

(Street)

WOODLAND HILLS,, CA 91367

4. If Amendment, Date Original Filed(Month/Day/Year)

6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person

(City)

(State)

(Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1.Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock ⁽¹⁾ ⁽²⁾	01/29/2020		S⁽³⁾	V	969,900	D	⁽³⁾	0	D
Common Stock	01/29/2020		P⁽³⁾	V	969,900	A	⁽³⁾	4,597,562	I	See notes ⁽¹⁾ ⁽²⁾ ⁽⁴⁾

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.		SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security
(Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code
(Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date
(Month/Day/Year)

7. Title and Amount of Underlying Securities
(Instr. 3 and 4)

8. Price of Derivative Security
(Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)

11. Nature of Indirect Beneficial Ownership
(Instr. 4)

Code

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
B. Riley Financial, Inc. 21255 BURBANK BOULEVARD, SUITE 400 WOODLAND HILLS,, CA 91367		X
BRC Partners Opportunity Fund, LP 11100 SANTA MONICA BLVD., SUITE 800 LOS ANGELES,, CA 90025		X
BRC Partners Management GP, LLC 11100 SANTA MONICA BLVD., SUITE 800 LOS ANGELES,, CA 90025		X
B. RILEY CAPITAL MANAGEMENT, LLC 11100 SANTA MONICA BLVD., SUITE 800 LOS ANGELES,, CA 90025		X
B. Riley FBR, Inc. 11100 SANTA MONICA BLVD., SUITE 800 LOS ANGELES,, CA 90025		X

Signatures

B. Riley Financial, Inc., by: /s/ Bryant R. Riley, Co-Chief Executive Officer		01/31/2020
^**Signature of Reporting Person		Date
BRC Partners Opportunity Fund, L.P., by: /s/ Bryant R. Riley, Chief Investment Officer		01/31/2020
^**Signature of Reporting Person		Date
BRC Partners Management GP, LLC, by: B. Riley Capital Management, LLC, its sole member, by: /s/ Bryant R. Riley, Chief Executive Officer		01/31/2020
^**Signature of Reporting Person		Date
B. Riley Capital Management, LLC, by: /s/ Bryant R. Riley, Chief Executive Officer		01/31/2020
^**Signature of Reporting Person		Date
B. Riley FBR, Inc., by: /s/ Andy Moore, Chief Executive Officer		01/31/2020
^**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 4 is being filed jointly by BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP") and B. Riley FBR, Inc., a Delaware corporation ("BRFBR" and collectively, the "Filing Persons").
(2)	BRPGP is a subsidiary of BRCM, a registered investment advisor, and is the general partner of BRPLP. BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the securities held by BRPLP. BRF is the parent company of BRFBR. As a result, BRF may be deemed to indirectly beneficially own the securities held by BRFBR. Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock") of Quantum Corporation, a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.
(3)	This Form 4 is being filed voluntarily to reflect a mere change in form of beneficial ownership by BRF, which is exempt from Section 16 of the Exchange Act of 1934 pursuant to Rule 16a-13. On January 29, 2020, BRF sold 969,900 shares of Common Stock to BRFBR at a price of $8.35 per share. BRF previously reported that it may have been deemed to directly beneficially own the 969,900 shares of Common Stock sold to BRFBR. Following the sale, the form of BRF's beneficial ownership changed from direct to indirect.
(4)	Represents shares of Common Stock owned directly by BRFBR.

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