Computer Storage Devices - Latest Activist Disclosures

This table shows recent activist investor (Schedule 13D) filings made in this industry. Any investor or hedge fund that makes an investment with the intention of influencing management is considered an activist investor and must file a 13D.

Date Form Target Company Investor Shares Ownership
(Percent)		 Ownership Change
(Percent)
2016-07-28 13D/A P / Everpure, Inc. Corvex Management LP 19,066,942 8.30 0.00
2016-06-07 13D/A QMCO / Quantum Corporation VIEX Capital Advisors, LLC 29,531,722 11.20 0.00
2016-06-02 13D/A QMCO / Quantum Corporation VIEX Capital Advisors, LLC 29,531,722 11.20 12.54
2016-05-16 13D P / Everpure, Inc. Corvex Management LP 19,066,942 8.30
2016-04-28 13D/A QMCO / Quantum Corporation VIEX Capital Advisors, LLC 26,241,996 9.90 0.00
2016-04-06 13D/A QMCO / Quantum Corporation Starboard Value LP 40,691,259 14.20 -4.07
2016-02-02 13D/A QMCO / Quantum Corporation VIEX Capital Advisors, LLC 26,241,996 9.90 26.91
2016-01-27 13D/A QMCO / Quantum Corporation Starboard Value LP 42,417,263 14.90 -4.43
2016-01-21 13D/A QMCO / Quantum Corporation VIEX Capital Advisors, LLC 20,677,265 7.80
2015-12-28 13D QMCO / Quantum Corporation Viex Special Opportunities Fund Iii, Lp 14,495,790 5.50
2015-08-17 13D QMCO / Quantum Corporation Private Capital Management, LLC
2015-05-07 13D/A QMCO / Quantum Corporation Starboard Value LP 44,381,440 16.10
2014-11-14 13D/A WDC / Western Digital Corporation Hitachi Ltd 6,250,000 2.70
2014-07-29 13D/A QMCO / Quantum Corporation Starboard Value LP 44,315,489 16.50
2014-05-13 13D/A QMCO / Quantum Corporation Starboard Value LP 44,287,278 16.60
2013-11-07 13D/A WDC / Western Digital Corporation Hitachi Ltd 12,500,000 5.30
2013-10-22 13D/A STX / Seagate Technology Holdings plc Samsung Electronics Co Ltd /fi 12,539,490 3.90
2013-05-15 13D/A QMCO / Quantum Corporation Starboard Value LP 44,243,875 17.00
2013-03-15 13D/A QMCO / Quantum Corporation Starboard Value LP 42,568,875 16.40
2012-11-01 13D QMCO / Quantum Corporation Starboard Value LP 41,234,935 15.90
2012-03-15 13D WDC / Western Digital Corporation Hitachi Ltd 25,000,000 9.60