rrd242499_273690.html

-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, UjY68G9iF4XvbTNTX4IApewe6Qg6iJ5CasqDG/jn6M9DdSPsoPkeULZayvs89de1 ir1PA1JEVVFxOKEsw4B9JA== 0001181431-10-017613.txt : 20100322 0001181431-10-017613.hdr.sgml : 20100322 20100322155636 ACCESSION NUMBER: 0001181431-10-017613 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20100319 FILED AS OF DATE: 20100322 DATE AS OF CHANGE: 20100322 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: 1650 TECHNOLOGY DRIVE STREET 2: SUITE 700 CITY: SAN JOSE STATE: CA ZIP: 95110 BUSINESS PHONE: 408 944 4000 MAIL ADDRESS: STREET 1: 1650 TECHNOLOGY DRIVE STREET 2: SUITE 700 CITY: SAN JOSE STATE: CA ZIP: 95110 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: GACEK JON W CENTRAL INDEX KEY: 0001188975 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-13449 FILM NUMBER: 10696618 MAIL ADDRESS: STREET 1: 16220 WOOD-RED ROAD CITY: WOODINVILLE STATE: WA ZIP: 98072 4 1 rrd270761.xml FORM 4 X0303 4 2010-03-19 0 0000709283 QUANTUM CORP /DE/ QTM 0001188975 GACEK JON W C/O QUANTUM CORPORATION 1650 TECHNOLOGY DRIVE, STE. 800 SAN JOSE CA 95110 0 1 0 0 Executive VP, COO, CFO Common Stock 2010-03-19 4 M 0 50000 1.46 A 507913 D Common Stock 2010-03-19 4 S 0 50000 2.6254 D 457913 D Non-Qualified Stock Options 1.46 2010-03-19 4 M 0 50000 0 D 2006-08-22 2010-08-22 Common Stock 50000 189024 D Reflects the exercise of the stock options listed in Table II of this Form 4. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 17, 2010. The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $2.59 to $2.76 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price. These options were granted under the 1999 Stock Incentive Plan of Advanced Digital Information Corporation ("ADIC") and assumed by Quantum Corporation ("Quantum") on August 22, 2006, pursuant to the Agreement and Plan of Merger between ADIC and Quantum. The options were exchanged for options to purchase Quantum stock, at the exchange ratio of 5.9756 per share. The options are fully vested and immediately exercisable. /s/ Josie Buensuceso, by Josie Buensuceso, Attorney in Fact for Jon W. Gacek 2010-03-22 EX-24. 2 rrd242499_273690.htm POWER OF ATTORNEY rrd242499_273690.html

POWER OF ATTORNEY
          Know all by these presents, that the undersigned hereby constitutes and appoints
each of, Astrid Becker-Celik, Vivy Dang, Josie Buensuceso and Shawn Hall, signing singly,
the undersigned's true and lawful attorney-in-fact to:
(1)  execute for and on behalf of the undersigned, in the undersigned's capacity as
an officer and/or director of Quantum Corporation (the "Company"), Forms 3, 4, and
5 in accordance with Section 16(a) of the Securities Exchange Act of 1934 and the
rules thereunder;
(2)  do and perform any and all acts for and on behalf of the undersigned which may
be necessary or desirable to complete and execute any such Form 3, 4, or 5,
complete and execute any amendment or amendments thereto, and timely file such
form with the United States Securities and Exchange Commission and any stock
exchange or similar authority; and
(3)  take any other action in connection with the foregoing which, in the opinion of
such attorney-in-fact, may be of benefit to, in the best interest of, or legally required
by, the undersigned, it being understood that the documents executed by such
attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall
be in such form and shall contain such terms and conditions as such attorney-in-fact
may approve in such attorney-in-fact's discretion.
The undersigned hereby grants to each such attorney-in-fact full power and authority to do
and perform any and every act and thing whatsoever requisite, necessary, or proper to be
done in the exercise of any of the rights and powers herein granted, as fully to all intents
and purposes as the undersigned might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or
such attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be done by
virtue of this power of attorney and the rights and powers herein granted.  The undersigned
acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the
request of the undersigned, are not assuming, nor is the Company assuming, any of the
undersigned's responsibilities to comply with Section 16 of the Securities Exchange Act of
1934.
This Power of Attorney shall remain in full force and effect until the undersigned is no
longer required to file Forms 3, 4, and 5 with respect to the undersigned's holdings of and
transactions in securities issued by the Company, unless earlier revoked by the
undersigned in a signed writing delivered to the foregoing attorneys-in-fact.

      IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 30th day of October 2009.


By: /s/ Jon W. Gacek
      Name: Jon W. Gacek

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