0000921895-16-003088.txt : 20160126 0000921895-16-003088.hdr.sgml : 20160126 20160126202834 ACCESSION NUMBER: 0000921895-16-003088 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20160122 FILED AS OF DATE: 20160126 DATE AS OF CHANGE: 20160126 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: QUANTUM CORP /DE/ CENTRAL INDEX KEY: 0000709283 STANDARD INDUSTRIAL CLASSIFICATION: COMPUTER STORAGE DEVICES [3572] IRS NUMBER: 942665054 STATE OF INCORPORATION: DE FISCAL YEAR END: 0331 BUSINESS ADDRESS: STREET 1: 224 AIRPORT PARKWAY STREET 2: SUITE 300 CITY: SAN JOSE STATE: CA ZIP: 95110 BUSINESS PHONE: 408 944 4000 MAIL ADDRESS: STREET 1: 224 AIRPORT PARKWAY STREET 2: SUITE 300 CITY: SAN JOSE STATE: CA ZIP: 95110 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Feld Peter A CENTRAL INDEX KEY: 0001410600 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-13449 FILM NUMBER: 161362864 MAIL ADDRESS: STREET 1: 777 THIRD AVENUE, 18TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10017 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MITCHELL MARK R CENTRAL INDEX KEY: 0001285596 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-13449 FILM NUMBER: 161362865 MAIL ADDRESS: STREET 1: 777 THIRD AVENUE, 18TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10017 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Smith Jeffrey C CENTRAL INDEX KEY: 0001362697 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-13449 FILM NUMBER: 161362866 MAIL ADDRESS: STREET 1: 777 THIRD AVENUE, 18TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10017 4 1 form406297109b_01262016.xml OWNERSHIP DOCUMENT X0306 4 2016-01-22 0 0000709283 QUANTUM CORP /DE/ QTM 0001362697 Smith Jeffrey C 777 THIRD AVENUE, 18TH FLOOR NEW YORK NY 10017 0 0 1 0 0001285596 MITCHELL MARK R 777 THIRD AVENUE, 18TH FLOOR NEW YORK NY 10017 0 0 1 0 0001410600 Feld Peter A 777 THIRD AVENUE, 18TH FLOOR NEW YORK NY 10017 0 0 1 0 Common Stock, $0.01 Par Value 2016-01-22 4 S 0 1137730 0.7252 D 13479254 I By Starboard Value and Opportunity Master Fund Ltd Common Stock, $0.01 Par Value 2016-01-22 4 S 0 255022 0.7252 D 3021381 I By Starboard Value and Opportunity S LLC Common Stock, $0.01 Par Value 2016-01-22 4 S 0 208212 0.7252 D 2466788 I By Starboard Value and Opportunity C LP Common Stock, $0.01 Par Value 2016-01-22 4 S 0 399036 0.7252 D 4727577 I By Managed Account of Starboard Value LP Common Stock, $0.01 Par Value 2016-01-25 4 S 0 1706594 0.7000 D 11772660 I By Starboard Value and Opportunity Master Fund Ltd Common Stock, $0.01 Par Value 2016-01-25 4 S 0 382534 0.7000 D 2638847 I By Starboard Value and Opportunity S LLC Common Stock, $0.01 Par Value 2016-01-25 4 S 0 312318 0.7000 D 2154470 I By Starboard Value and Opportunity C LP Common Stock, $0.01 Par Value 2016-01-25 4 S 0 598554 0.7000 D 4129023 I By Managed Account of Starboard Value LP This Form 4 is filed jointly by Starboard Value and Opportunity Master Fund Ltd ("Starboard V&O Fund"), Starboard Value and Opportunity S LLC ("Starboard S LLC"), Starboard Value and Opportunity C LP ("Starboard C LP"), Starboard Value LP ("Starboard Value LP"), Starboard Value GP LLC ("Starboard Value GP"), Starboard Principal Co LP ("Principal Co"), Starboard Principal Co GP LLC ("Principal GP"), Starboard Value R LP ("Starboard R LP"), Starboard Value R GP LLC ("Starboard R GP"), Jeffrey C. Smith, Mark R. Mitchell and Peter A. Feld (collectively, the "Reporting Persons"). To enable all of the Reporting Persons to gain access to the Securities and Exchange Commission's electronic filing system (which only accepts a maximum of 10 joint filers per report), this report is the second of two identical reports relating to the same transactions being filed with the Securities and Exchange Commission. Each Reporting Person may be deemed to be a member of a Section 13(d) group that owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose. Shares of Common Stock beneficially owned by Starboard V&O Fund. Starboard Value LP, as the investment manager of Starboard V&O Fund, may be deemed to be the beneficial owner of the shares of Common Stock beneficially owned by Starboard V&O Fund. Each of Starboard Value GP, as the general partner of Starboard Value LP, Principal Co, as a member of Starboard Value GP, Principal GP, as the general partner of Principal Co, and Messrs. Smith, Mitchell and Feld, as members of Principal GP and as members of each of the Management Committee of Starboard Value GP and the Management Committee of Principal GP, may be deemed to be the beneficial owner of the shares of Common Stock beneficially owned by Starboard V&O Fund. Shares of Common Stock beneficially owned by Starboard S LLC. Starboard Value LP, as the manager of Starboard S LLC, may be deemed to be the beneficial owner of the shares of Common Stock beneficially owned by Starboard S LLC. Each of Starboard Value GP, as the general partner of Starboard Value LP, Principal Co, as a member of Starboard Value GP, Principal GP, as the general partner of Principal Co, and Messrs. Smith, Mitchell and Feld, as members of Principal GP and as members of each of the Management Committee of Starboard Value GP and the Management Committee of Principal GP, may be deemed to be the beneficial owner of the shares of Common Stock beneficially owned by Starboard S LLC. Shares of Common Stock beneficially owned by Starboard C LP. Each of Starboard R LP, as the general partner of Starboard C LP, and Starboard R GP, as the general partner of Starboard R LP, may be deemed to be the beneficial owner of the shares of Common Stock beneficially owned by Starboard C LP. Starboard Value LP, as the investment manager of Starboard C LP, may be deemed to be the beneficial owner of the shares of Common Stock beneficially owned by Starboard C LP. Each of Starboard Value GP, as the general partner of Starboard Value LP, Principal Co, as a member of Starboard Value GP, Principal GP, as the general partner of Principal Co, and Messrs. Smith, Mitchell and Feld, as members of Principal GP and as members of each of the Management Committee of Starboard Value GP and the Management Committee of Principal GP, may be deemed to be the beneficial owner of the shares of Common Stock beneficially owned by Starboard C LP. Shares held in an account managed by Starboard Value LP. Starboard Value GP, as the general partner of Starboard Value LP, Principal Co, as a member of Starboard Value GP, Principal GP, as the general partner of Principal Co, and Messrs. Smith, Mitchell and Feld as members of Principal GP and as members of each of the Management Committee of Starboard Value GP and the Management Committee of Principal GP, may be deemed to be the beneficial owner of the shares of Common Stock beneficially owned by Starboard Value LP. By: /s/ Jeffrey C. Smith 2016-01-26 Mark R. Mitchell; By: /s/ Jeffrey C. Smith, Attorney in Fact 2016-01-26 Peter A. Feld; By: /s/ Jeffrey C. Smith, Attorney in Fact 2016-01-26