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 *
DODSON J MICHAEL
  2. Issuer Name and Ticker or Trading Symbol
QUANTUM CORP /DE/ [QMCO]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
See Remarks
(Last)
(First)
(Middle)
C/O QUANTUM CORPORATION, 224 AIRPORT PARKWAY, SUITE 550
3. Date of Earliest Transaction (Month/Day/Year)
08/23/2019
(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) 08/23/2019   A   14,577 A $ 0 114,577 D  
Common Stock (2) 08/23/2019   A   125,000 A $ 0 239,577 D  

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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
Performance-Based Restricted Stock Unit (3) 08/23/2019   A   125,000     (3) 08/23/2029 Common Stock 125,000 $ 0 125,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
DODSON J MICHAEL
C/O QUANTUM CORPORATION
224 AIRPORT PARKWAY, SUITE 550
SAN JOSE, CA 95110
      See Remarks  

Signatures

 /s/ J. Michael Dodson   08/27/2019
**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 QMCO. The RSUs were approved in connection with the reporting person's commencement of employment in 2018, although the grant was effective on August 23, 2019, the first business day on which QMCO became current with respect to its filings under the Exchange Act of 1934. 14,577 RSUs were fully vested when the grant became effective on August 23, 2019.
(2) Grant of Restricted Stock Units ("RSUs"), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs were approved in connection with the reporting person's commencement of employment in 2018, although the grant was effective on August 23, 2019, the first business day on which QMCO became current with respect to its filings under the Exchange Act of 1934. The RSUs vest in three equal annual installments beginning on beginning on June 1, 2019; although the first vesting date was deferred until August 23, 2019. The remaining shares will vest in equal installments on June 1, 2020 and June 1, 2021.
(3) Grant of Performance-Based Restricted Stock Units, each of which represents a contingent right to receive one share of common stock of QMCO, with vesting subject to the achievement of specified levels of the average closing prices of a share of QMCO common stock during any sixty (60) day trading period on a National Exchange occurring between June 1, 2018 and May 31, 2022. Vesting is subject to continued employment with the Company through the later of the achievement date or service vesting date, which occurs in three equal annual installments on August 23, 2019, June 1, 2020 and June 1, 2021.
 
Remarks:
Senior Vice President, Chief Financial Officer

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