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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(Print or Type Responses)
1. Name and Address of Reporting Person *
FICHTHORN JOHN
   2. Issuer Name and Ticker or Trading Symbol
QUANTUM CORP /DE/ [QMCO] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O QUANTUM CORPORATION, 224 AIRPORT PARKWAY, SUITE 550		 3. Date of Earliest Transaction (Month/Day/Year)
09/05/2019
(Street)

SAN JOSE, CA 95110		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ 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)
Code V Amount (A) or (D) Price
Common Stock (1) 09/05/2019   A   14,184 A $ 0 80,411 D  
Common Stock (2) 09/05/2019   A   20,833 A $ 0 101,244 D  
Common Stock               1,493,801 I Held by BRC Partners Opportunity Fund, LP (3)
Common Stock               969,900 I Held by Dialectic Antithesis Partners, LP (3)

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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 V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
FICHTHORN JOHN
C/O QUANTUM CORPORATION
224 AIRPORT PARKWAY, SUITE 550
SAN JOSE, CA 95110		   X      

Signatures

 /s/ Noah Mesel, Attorney-in-Fact   09/09/2019
**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) Grant of Restricted Stock Units ("RSUs"), each of which represents a contingent right to receive one share of common stock of Quantum. The RSUs will fully vest on the date of the Quantum 2019 Annual Meeting. These RSUs were granted in connection with the Reporting Person joining the Quantum Board on April 4, 2019.
(2) Grant of RSUs, each of which represents a contingent right to receive one share of common stock of Quantum. The RSUs vest upon the earlier of the Quantum's 2020 Annual Meeting or September 5, 2020. These RSUs were approved in connection with the reinstatement of Quantum's normal equity compensation program for non-employee directors.
(3) BR Dialectic Capital Management, LLC is the investment manager of Dialectic Antithesis Partners, LP and, as such, shares voting and dispositive power over the securities held by Dialectic Antithesis Partners, LP. B. Riley Capital Management, LLC is the investment manager of BRC Partners Opportunity Fund, LP and, as such, shares voting and dispositive power over the securities held by BRC Partners Opportunity Fund, LP. The Reporting Person is a portfolio manager for BR Dialectic Capital Management, LLC and B. Riley Capital Management, LLC and therefore shares voting and dispositive power over the securities, but the Reporting Person disclaims beneficial ownership of any of Issuer's securities in which he does not have a pecuniary interest or that he does not directly own. BR Dialectic Capital Management, LLC and B. Riley Capital Management, LLC are wholly owned subsidiaries of B. Riley Financial, Inc., a publicly traded Delaware corporation (Nasdaq: RILY).

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