SCHEDULE 14A

(Rule 14a-101)

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION

PROXY STATEMENT PURSUANT TO SECTION 14(a) OF

THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. )

Filed by the Registrant [  ]

Filed by a Party Other than the Registrant [x]

Check the Appropriate Box:

[  ] Preliminary Proxy Statement

[  ] Confidential, for Use of the Commission Only (as permitted by
Rule 14a-6(e)(2))

[  ] Definitive Proxy Statement

[  ] Definitive Additional Materials

[X]  Soliciting Material Pursuant to Rule 14a-11(c) or Rule 14a-12

(Name of registrant as specified in its charter)

VIEX OPPORTUNITIES FUND, LP - SERIES ONE

VIEX OPPORTUNITIES FUND, LP - SERIES TWO

VIEX SPECIAL OPPORTUNITIES FUND III, LP

VIEX GP, LLC

VIEX SPECIAL OPPORTUNITIES GP III, LLC

VIEX CAPITAL ADVISORS, LLC

ERIC SINGER

MARK BONNEY

DALE L. FULLER

JOHN MUTCH

CLIFFORD PRESS

(Name of person(s) filing proxy statement, if other than the registrant)

Payment of Filing Fee (Check the Appropriate Box):

[X] No fee required.

[  ] Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.

(1) Title of each class of securities to which transaction applies:

(2) Aggregate number of securities to which transaction applies:

(3) Per unit price or other underlying value of transaction computed pursuant to
Exchange Act Rule 0-11 (set forth the amount on which the filing fee is
calculated and state how it is determined):

(4) Proposed maximum aggregate value of transaction:

(5) Total fee paid:

[  ] Fee paid previously with preliminary materials:

[

] Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the form or schedule and the date of its filing.

(1) Amount Previously Paid:

(2) Form, Schedule or Registration Statement no.:

(3) Filing Party:

(4) Date Filed:

VIEX Opportunities Fund, LP - Series One, together with the other participants named herein (collectively, "VIEX"), intends to make a preliminary filing with the Securities and Exchange Commission of a proxy statement and accompanying proxy card to be used to solicit votes for the election of VIEX's slate of five highly qualified director nominees to the Board of Directors of Quantum Corporation, a Delaware corporation (the "Company"), at the Company's upcoming annual general meeting of stockholders scheduled for March 31, 2017, or any other meeting of stockholders held in lieu thereof, and any adjournments, postponements, reschedulings or continuations thereof.

 

On February 6, 2017, VIEX issued the following press release: