B. Riley Financial (RILY) Form 3 Initial statement of insider ownership

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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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1. Name and Address of Reporting Person^*

B. Riley Financial, Inc.

(Last) (First) (Middle)

21255 BURBANK BLVD.,

SUITE 400

(Street)

WOODLAND HILLS, CA 91367

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
12/26/2018

3. Issuer Name and Ticker or Trading Symbol
QUANTUM CORP /DE/ [ QTM ]

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

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

5. If Amendment, Date of 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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	900,000	I	Please see footnotes(1)(2)(3)
Common Stock	1,240,000	I	Please see footnotes(1)(2)(4)
Common Stock	1,437,696	I	Please see footnotes(1)(2)(5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person^*

B. Riley Financial, Inc.

(Last) (First) (Middle)

21255 BURBANK BLVD.,

SUITE 400

(Street)

WOODLAND HILLS, CA 91367

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

BRC Partners Opportunity Fund, LP

(Last) (First) (Middle)

11100 SANTA MONICA BLVD., SUITE 800

(Street)

LOS ANGELES, CA 90025

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

BRC Partners Management GP, LLC

(Last) (First) (Middle)

11100 SANTA MONICA BLVD., SUITE 800

(Street)

LOS ANGELES, CA 90025

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

B. RILEY CAPITAL MANAGEMENT, LLC

(Last) (First) (Middle)

11100 SANTA MONICA BLVD.,

SUITE 800

(Street)

LOS ANGELES, CA 90025

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

B. Riley FBR, Inc.

(Last) (First) (Middle)

11100 SANTA MONICA BLVD.,

SUITE 800

(Street)

LOS ANGELES, CA 90025

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

Dialectic Antithesis Partners, LP

(Last) (First) (Middle)

119 ROWAYTON AVENUE,

2ND FLOOR

(Street)

NORWALK, CT 06853

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

BR Dialectic Capital Management, LLC

(Last) (First) (Middle)

119 ROWAYTON AVENUE,

2ND FLOOR

(Street)

NORWALK, CT 06853

(City) (State) (Zip)

Explanation of Responses:

1. In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 3 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"), B. Riley FBR, Inc., a Delaware corporation ("BRFBR"), Dialectic Antithesis Partners, LP, a Delaware limited partnership ("Dialectic") and BR Dialectic Capital Management, LLC, a Delaware limited liability company (collectively, the "Filing Persons").

2. BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR. As a result, BRF may be deemed to indirectly beneficially own the Shares held by BRFBR. BR Dialectic is the general partner and investment manager of Dialectic. BRCM is the parent company of BR Dialectic and BRF is the parent company of BRCM. As a result, BR Dialectic, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by Dialectic. 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. Represents 900,000 shares of Common Stock owned directly by Dialectic.

4. Represents 1,240,000 shares of Common Stock owned directly by BRPLP.

5. Represents 1,437,696 shares of Common Stock owned directly by BRFBR.

	B. Riley Financial, Inc., by: /s/ Bryant R. Riley, Co-Chief Executive Officer	12/28/2018
	BRC Partners Opportunity Fund, L.P., by: /s/ Bryant R. Riley, Chief Investment Officer	12/28/2018
	BRC Partners Management GP, LLC, by B Riley Capital Management, LLC, its sole member, by: /s/ Bryant R. Riley, Chief Executive Officer	12/28/2018
	B. Riley Capital Management, LLC, by: /s/ Bryant R. Riley, Chief Executive Officer	12/28/2018
	B. Riley FBR, Inc., by: /s/ Andy Moore, Chief Executive Officer	12/28/2018
	Dialectic Antithesis Partners, LP, by: /s/ John Fichthorn, Portfolio Manager	12/28/2018
	BR Dialectic Capital Management, LLC, by B. Riley Capital Management, LLC, its sole member, by: /s/ Bryant R. Riley, Chief Executive Officer	12/28/2018
	** Signature of Reporting Person	Date
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