{"transactions":[{"id":3869318,"issuer":{"id":13120,"kind":"organization","name":"Mellanox Technologies, Ltd.","symbol":"MLNX"},"owners":[{"id":165068,"kind":"organization","name":"STARBOARD LEADERS FUND LP","position":1,"cik":"0001575038","reported_name":"STARBOARD LEADERS FUND LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165069,"kind":"organization","name":"Starboard Value A LP","position":2,"cik":"0001575998","reported_name":"Starboard Value A LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165070,"kind":"organization","name":"Starboard Value A GP LLC","position":3,"cik":"0001575974","reported_name":"Starboard Value A GP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":4,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":5,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":6,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Ordinary Shares, nominal value NIS 0.0175 per share","published_at":"2018-07-11T21:29:56.000Z","date":"2018-07-09","kind":"sale","acquired":false,"shares":1827,"price":85.4693,"value":156152.4111,"ownership":{"direct":false,"nature":"By Managed Account of Starboard Value LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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 Leaders Papa LLC (\"Starboard Papa LLC\"), 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\"), Starboard Leaders Fund LP (\"Starboard Leaders Fund\"), Starboard Value A LP (\"Starboard A LP\"), Starboard Value A GP LLC (\"Starboard A GP\"), Jeffrey C. Smith, Mark R. Mitchell and Peter A. Feld (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"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 previously owned more than 10% of the Issuer's outstanding Ordinary Shares. As of July 9, 2018, the Reporting Persons ceased to own in the aggregate more than 10% of the Issuer's outstanding Ordinary Shares. Each Reporting Person disclaims beneficial ownership of the securities 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 securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"Securities 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 securities beneficially owned by Starboard Value LP."}],"balance_after":528034,"source":{"system":"sec-edgar","filing":"0000921895-18-002097","document":"form406297208b_07112018.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":20,"url":"https://www.sec.gov/Archives/edgar/data/1575974/000092189518002097/form406297208b_07112018.xml","form_type":"4"}},{"id":3869317,"issuer":{"id":13120,"kind":"organization","name":"Mellanox Technologies, Ltd.","symbol":"MLNX"},"owners":[{"id":165068,"kind":"organization","name":"STARBOARD LEADERS FUND LP","position":1,"cik":"0001575038","reported_name":"STARBOARD LEADERS FUND LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165069,"kind":"organization","name":"Starboard Value A LP","position":2,"cik":"0001575998","reported_name":"Starboard Value A LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165070,"kind":"organization","name":"Starboard Value A GP LLC","position":3,"cik":"0001575974","reported_name":"Starboard Value A GP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":4,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":5,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":6,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Ordinary Shares, nominal value NIS 0.0175 per share","published_at":"2018-07-11T21:29:56.000Z","date":"2018-07-09","kind":"sale","acquired":false,"shares":2062,"price":85.4375,"value":176172.125,"ownership":{"direct":false,"nature":"By Managed Account of Starboard Value LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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 Leaders Papa LLC (\"Starboard Papa LLC\"), 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\"), Starboard Leaders Fund LP (\"Starboard Leaders Fund\"), Starboard Value A LP (\"Starboard A LP\"), Starboard Value A GP LLC (\"Starboard A GP\"), Jeffrey C. Smith, Mark R. Mitchell and Peter A. Feld (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"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 previously owned more than 10% of the Issuer's outstanding Ordinary Shares. As of July 9, 2018, the Reporting Persons ceased to own in the aggregate more than 10% of the Issuer's outstanding Ordinary Shares. Each Reporting Person disclaims beneficial ownership of the securities 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 securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"Securities 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 securities beneficially owned by Starboard Value LP."}],"balance_after":529861,"source":{"system":"sec-edgar","filing":"0000921895-18-002097","document":"form406297208b_07112018.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":19,"url":"https://www.sec.gov/Archives/edgar/data/1575974/000092189518002097/form406297208b_07112018.xml","form_type":"4"}},{"id":3869316,"issuer":{"id":13120,"kind":"organization","name":"Mellanox Technologies, Ltd.","symbol":"MLNX"},"owners":[{"id":165068,"kind":"organization","name":"STARBOARD LEADERS FUND LP","position":1,"cik":"0001575038","reported_name":"STARBOARD LEADERS FUND LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165069,"kind":"organization","name":"Starboard Value A LP","position":2,"cik":"0001575998","reported_name":"Starboard Value A LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165070,"kind":"organization","name":"Starboard Value A GP LLC","position":3,"cik":"0001575974","reported_name":"Starboard Value A GP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":4,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":5,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":6,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Ordinary Shares, nominal value NIS 0.0175 per share","published_at":"2018-07-11T21:29:56.000Z","date":"2018-07-09","kind":"sale","acquired":false,"shares":11026,"price":85.1062,"value":938380.9612,"ownership":{"direct":false,"nature":"By Managed Account of Starboard Value LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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 Leaders Papa LLC (\"Starboard Papa LLC\"), 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\"), Starboard Leaders Fund LP (\"Starboard Leaders Fund\"), Starboard Value A LP (\"Starboard A LP\"), Starboard Value A GP LLC (\"Starboard A GP\"), Jeffrey C. Smith, Mark R. Mitchell and Peter A. Feld (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"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 previously owned more than 10% of the Issuer's outstanding Ordinary Shares. As of July 9, 2018, the Reporting Persons ceased to own in the aggregate more than 10% of the Issuer's outstanding Ordinary Shares. Each Reporting Person disclaims beneficial ownership of the securities 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 securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"Securities 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 securities beneficially owned by Starboard Value LP."}],"balance_after":531923,"source":{"system":"sec-edgar","filing":"0000921895-18-002097","document":"form406297208b_07112018.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":18,"url":"https://www.sec.gov/Archives/edgar/data/1575974/000092189518002097/form406297208b_07112018.xml","form_type":"4"}},{"id":3869315,"issuer":{"id":13120,"kind":"organization","name":"Mellanox Technologies, Ltd.","symbol":"MLNX"},"owners":[{"id":165068,"kind":"organization","name":"STARBOARD LEADERS FUND LP","position":1,"cik":"0001575038","reported_name":"STARBOARD LEADERS FUND LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165069,"kind":"organization","name":"Starboard Value A LP","position":2,"cik":"0001575998","reported_name":"Starboard Value A LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165070,"kind":"organization","name":"Starboard Value A GP LLC","position":3,"cik":"0001575974","reported_name":"Starboard Value A GP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":4,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":5,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":6,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Ordinary Shares, nominal value NIS 0.0175 per share","published_at":"2018-07-11T21:29:56.000Z","date":"2018-07-09","kind":"sale","acquired":false,"shares":20618,"price":84.9164,"value":1750806.3352,"ownership":{"direct":false,"nature":"By Managed Account of Starboard Value LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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 Leaders Papa LLC (\"Starboard Papa LLC\"), 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\"), Starboard Leaders Fund LP (\"Starboard Leaders Fund\"), Starboard Value A LP (\"Starboard A LP\"), Starboard Value A GP LLC (\"Starboard A GP\"), Jeffrey C. Smith, Mark R. Mitchell and Peter A. Feld (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"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 previously owned more than 10% of the Issuer's outstanding Ordinary Shares. As of July 9, 2018, the Reporting Persons ceased to own in the aggregate more than 10% of the Issuer's outstanding Ordinary Shares. Each Reporting Person disclaims beneficial ownership of the securities 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 securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"Securities 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 securities beneficially owned by Starboard Value LP."}],"balance_after":542949,"source":{"system":"sec-edgar","filing":"0000921895-18-002097","document":"form406297208b_07112018.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":17,"url":"https://www.sec.gov/Archives/edgar/data/1575974/000092189518002097/form406297208b_07112018.xml","form_type":"4"}},{"id":3869314,"issuer":{"id":13120,"kind":"organization","name":"Mellanox Technologies, Ltd.","symbol":"MLNX"},"owners":[{"id":165068,"kind":"organization","name":"STARBOARD LEADERS FUND LP","position":1,"cik":"0001575038","reported_name":"STARBOARD LEADERS FUND LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165069,"kind":"organization","name":"Starboard Value A LP","position":2,"cik":"0001575998","reported_name":"Starboard Value A LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165070,"kind":"organization","name":"Starboard Value A GP LLC","position":3,"cik":"0001575974","reported_name":"Starboard Value A GP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":4,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":5,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":6,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Ordinary Shares, nominal value NIS 0.0175 per share","published_at":"2018-07-11T21:29:56.000Z","date":"2018-07-09","kind":"sale","acquired":false,"shares":1481,"price":85.4693,"value":126580.0333,"ownership":{"direct":false,"nature":"By Starboard Leaders Papa LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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 Leaders Papa LLC (\"Starboard Papa LLC\"), 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\"), Starboard Leaders Fund LP (\"Starboard Leaders Fund\"), Starboard Value A LP (\"Starboard A LP\"), Starboard Value A GP LLC (\"Starboard A GP\"), Jeffrey C. Smith, Mark R. Mitchell and Peter A. Feld (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"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 previously owned more than 10% of the Issuer's outstanding Ordinary Shares. As of July 9, 2018, the Reporting Persons ceased to own in the aggregate more than 10% of the Issuer's outstanding Ordinary Shares. Each Reporting Person disclaims beneficial ownership of the securities 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 securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Securities beneficially owned by Starboard Papa LLC. Starboard Leaders Fund, as a member of Starboard Papa LLC, may be deemed to be the beneficial owner of the securities beneficially owned by Starboard Papa LLC. Each of Starboard A LP, as the general partner of Starboard Leaders Fund, and Starboard A GP, as the general partner of Starboard A LP, may be deemed to be the beneficial owner of the securities beneficially owned by Starboard Papa LLC."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Starboard Value LP, as the investment manager of Starboard Papa LLC, may be deemed to be the beneficial owner of the securities beneficially owned by Starboard Papa 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 securities beneficially owned by Starboard Papa LLC."}],"balance_after":427819,"source":{"system":"sec-edgar","filing":"0000921895-18-002097","document":"form406297208b_07112018.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/1575974/000092189518002097/form406297208b_07112018.xml","form_type":"4"}},{"id":3869313,"issuer":{"id":13120,"kind":"organization","name":"Mellanox Technologies, Ltd.","symbol":"MLNX"},"owners":[{"id":165068,"kind":"organization","name":"STARBOARD LEADERS FUND LP","position":1,"cik":"0001575038","reported_name":"STARBOARD LEADERS FUND LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165069,"kind":"organization","name":"Starboard Value A LP","position":2,"cik":"0001575998","reported_name":"Starboard Value A LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165070,"kind":"organization","name":"Starboard Value A GP LLC","position":3,"cik":"0001575974","reported_name":"Starboard Value A GP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":4,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":5,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":6,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Ordinary Shares, nominal value NIS 0.0175 per share","published_at":"2018-07-11T21:29:56.000Z","date":"2018-07-09","kind":"sale","acquired":false,"shares":1671,"price":85.4375,"value":142766.0625,"ownership":{"direct":false,"nature":"By Starboard Leaders Papa LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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 Leaders Papa LLC (\"Starboard Papa LLC\"), 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\"), Starboard Leaders Fund LP (\"Starboard Leaders Fund\"), Starboard Value A LP (\"Starboard A LP\"), Starboard Value A GP LLC (\"Starboard A GP\"), Jeffrey C. Smith, Mark R. Mitchell and Peter A. Feld (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"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 previously owned more than 10% of the Issuer's outstanding Ordinary Shares. As of July 9, 2018, the Reporting Persons ceased to own in the aggregate more than 10% of the Issuer's outstanding Ordinary Shares. Each Reporting Person disclaims beneficial ownership of the securities 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 securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Securities beneficially owned by Starboard Papa LLC. Starboard Leaders Fund, as a member of Starboard Papa LLC, may be deemed to be the beneficial owner of the securities beneficially owned by Starboard Papa LLC. Each of Starboard A LP, as the general partner of Starboard Leaders Fund, and Starboard A GP, as the general partner of Starboard A LP, may be deemed to be the beneficial owner of the securities beneficially owned by Starboard Papa LLC."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Starboard Value LP, as the investment manager of Starboard Papa LLC, may be deemed to be the beneficial owner of the securities beneficially owned by Starboard Papa 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 securities beneficially owned by Starboard Papa LLC."}],"balance_after":429300,"source":{"system":"sec-edgar","filing":"0000921895-18-002097","document":"form406297208b_07112018.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/1575974/000092189518002097/form406297208b_07112018.xml","form_type":"4"}},{"id":3869312,"issuer":{"id":13120,"kind":"organization","name":"Mellanox Technologies, Ltd.","symbol":"MLNX"},"owners":[{"id":165068,"kind":"organization","name":"STARBOARD LEADERS FUND LP","position":1,"cik":"0001575038","reported_name":"STARBOARD LEADERS FUND LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165069,"kind":"organization","name":"Starboard Value A LP","position":2,"cik":"0001575998","reported_name":"Starboard Value A LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165070,"kind":"organization","name":"Starboard Value A GP LLC","position":3,"cik":"0001575974","reported_name":"Starboard Value A GP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":4,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":5,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":6,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Ordinary Shares, nominal value NIS 0.0175 per share","published_at":"2018-07-11T21:29:56.000Z","date":"2018-07-09","kind":"sale","acquired":false,"shares":8933,"price":85.1062,"value":760253.6846,"ownership":{"direct":false,"nature":"By Starboard Leaders Papa LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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 Leaders Papa LLC (\"Starboard Papa LLC\"), 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\"), Starboard Leaders Fund LP (\"Starboard Leaders Fund\"), Starboard Value A LP (\"Starboard A LP\"), Starboard Value A GP LLC (\"Starboard A GP\"), Jeffrey C. Smith, Mark R. Mitchell and Peter A. Feld (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"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 previously owned more than 10% of the Issuer's outstanding Ordinary Shares. As of July 9, 2018, the Reporting Persons ceased to own in the aggregate more than 10% of the Issuer's outstanding Ordinary Shares. Each Reporting Person disclaims beneficial ownership of the securities 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 securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Securities beneficially owned by Starboard Papa LLC. Starboard Leaders Fund, as a member of Starboard Papa LLC, may be deemed to be the beneficial owner of the securities beneficially owned by Starboard Papa LLC. Each of Starboard A LP, as the general partner of Starboard Leaders Fund, and Starboard A GP, as the general partner of Starboard A LP, may be deemed to be the beneficial owner of the securities beneficially owned by Starboard Papa LLC."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Starboard Value LP, as the investment manager of Starboard Papa LLC, may be deemed to be the beneficial owner of the securities beneficially owned by Starboard Papa 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 securities beneficially owned by Starboard Papa LLC."}],"balance_after":430971,"source":{"system":"sec-edgar","filing":"0000921895-18-002097","document":"form406297208b_07112018.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1575974/000092189518002097/form406297208b_07112018.xml","form_type":"4"}},{"id":3869311,"issuer":{"id":13120,"kind":"organization","name":"Mellanox Technologies, Ltd.","symbol":"MLNX"},"owners":[{"id":165068,"kind":"organization","name":"STARBOARD LEADERS FUND LP","position":1,"cik":"0001575038","reported_name":"STARBOARD LEADERS FUND LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165069,"kind":"organization","name":"Starboard Value A LP","position":2,"cik":"0001575998","reported_name":"Starboard Value A LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165070,"kind":"organization","name":"Starboard Value A GP LLC","position":3,"cik":"0001575974","reported_name":"Starboard Value A GP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":4,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":5,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":6,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Ordinary Shares, nominal value NIS 0.0175 per share","published_at":"2018-07-11T21:29:56.000Z","date":"2018-07-09","kind":"sale","acquired":false,"shares":16705,"price":84.9164,"value":1418528.462,"ownership":{"direct":false,"nature":"By Starboard Leaders Papa LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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 Leaders Papa LLC (\"Starboard Papa LLC\"), 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\"), Starboard Leaders Fund LP (\"Starboard Leaders Fund\"), Starboard Value A LP (\"Starboard A LP\"), Starboard Value A GP LLC (\"Starboard A GP\"), Jeffrey C. Smith, Mark R. Mitchell and Peter A. Feld (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"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 previously owned more than 10% of the Issuer's outstanding Ordinary Shares. As of July 9, 2018, the Reporting Persons ceased to own in the aggregate more than 10% of the Issuer's outstanding Ordinary Shares. Each Reporting Person disclaims beneficial ownership of the securities 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 securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Securities beneficially owned by Starboard Papa LLC. Starboard Leaders Fund, as a member of Starboard Papa LLC, may be deemed to be the beneficial owner of the securities beneficially owned by Starboard Papa LLC. Each of Starboard A LP, as the general partner of Starboard Leaders Fund, and Starboard A GP, as the general partner of Starboard A LP, may be deemed to be the beneficial owner of the securities beneficially owned by Starboard Papa LLC."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Starboard Value LP, as the investment manager of Starboard Papa LLC, may be deemed to be the beneficial owner of the securities beneficially owned by Starboard Papa 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 securities beneficially owned by Starboard Papa LLC."}],"balance_after":439904,"source":{"system":"sec-edgar","filing":"0000921895-18-002097","document":"form406297208b_07112018.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1575974/000092189518002097/form406297208b_07112018.xml","form_type":"4"}},{"id":3869310,"issuer":{"id":13120,"kind":"organization","name":"Mellanox Technologies, Ltd.","symbol":"MLNX"},"owners":[{"id":165068,"kind":"organization","name":"STARBOARD LEADERS FUND LP","position":1,"cik":"0001575038","reported_name":"STARBOARD LEADERS FUND LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165069,"kind":"organization","name":"Starboard Value A LP","position":2,"cik":"0001575998","reported_name":"Starboard Value A LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165070,"kind":"organization","name":"Starboard Value A GP LLC","position":3,"cik":"0001575974","reported_name":"Starboard Value A GP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":4,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":5,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":6,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Ordinary Shares, nominal value NIS 0.0175 per share","published_at":"2018-07-11T21:29:56.000Z","date":"2018-07-09","kind":"sale","acquired":false,"shares":803,"price":85.4693,"value":68631.8479,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity C LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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 Leaders Papa LLC (\"Starboard Papa LLC\"), 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\"), Starboard Leaders Fund LP (\"Starboard Leaders Fund\"), Starboard Value A LP (\"Starboard A LP\"), Starboard Value A GP LLC (\"Starboard A GP\"), Jeffrey C. Smith, Mark R. Mitchell and Peter A. Feld (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"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 previously owned more than 10% of the Issuer's outstanding Ordinary Shares. As of July 9, 2018, the Reporting Persons ceased to own in the aggregate more than 10% of the Issuer's outstanding Ordinary Shares. Each Reporting Person disclaims beneficial ownership of the securities 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 securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Securities 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 securities 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 securities 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 securities beneficially owned by Starboard C LP."}],"balance_after":231985,"source":{"system":"sec-edgar","filing":"0000921895-18-002097","document":"form406297208b_07112018.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1575974/000092189518002097/form406297208b_07112018.xml","form_type":"4"}},{"id":3869309,"issuer":{"id":13120,"kind":"organization","name":"Mellanox Technologies, Ltd.","symbol":"MLNX"},"owners":[{"id":165068,"kind":"organization","name":"STARBOARD LEADERS FUND LP","position":1,"cik":"0001575038","reported_name":"STARBOARD LEADERS FUND LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165069,"kind":"organization","name":"Starboard Value A LP","position":2,"cik":"0001575998","reported_name":"Starboard Value A LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165070,"kind":"organization","name":"Starboard Value A GP LLC","position":3,"cik":"0001575974","reported_name":"Starboard Value A GP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":4,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":5,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":6,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Ordinary Shares, nominal value NIS 0.0175 per share","published_at":"2018-07-11T21:29:56.000Z","date":"2018-07-09","kind":"sale","acquired":false,"shares":906,"price":85.4375,"value":77406.375,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity C LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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 Leaders Papa LLC (\"Starboard Papa LLC\"), 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\"), Starboard Leaders Fund LP (\"Starboard Leaders Fund\"), Starboard Value A LP (\"Starboard A LP\"), Starboard Value A GP LLC (\"Starboard A GP\"), Jeffrey C. Smith, Mark R. Mitchell and Peter A. Feld (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"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 previously owned more than 10% of the Issuer's outstanding Ordinary Shares. As of July 9, 2018, the Reporting Persons ceased to own in the aggregate more than 10% of the Issuer's outstanding Ordinary Shares. Each Reporting Person disclaims beneficial ownership of the securities 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 securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Securities 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 securities 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 securities 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 securities beneficially owned by Starboard C LP."}],"balance_after":232788,"source":{"system":"sec-edgar","filing":"0000921895-18-002097","document":"form406297208b_07112018.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1575974/000092189518002097/form406297208b_07112018.xml","form_type":"4"}},{"id":3869308,"issuer":{"id":13120,"kind":"organization","name":"Mellanox Technologies, Ltd.","symbol":"MLNX"},"owners":[{"id":165068,"kind":"organization","name":"STARBOARD LEADERS FUND LP","position":1,"cik":"0001575038","reported_name":"STARBOARD LEADERS FUND LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165069,"kind":"organization","name":"Starboard Value A LP","position":2,"cik":"0001575998","reported_name":"Starboard Value A LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165070,"kind":"organization","name":"Starboard Value A GP LLC","position":3,"cik":"0001575974","reported_name":"Starboard Value A GP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":4,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":5,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":6,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Ordinary Shares, nominal value NIS 0.0175 per share","published_at":"2018-07-11T21:29:56.000Z","date":"2018-07-09","kind":"sale","acquired":false,"shares":4844,"price":85.1062,"value":412254.4328,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity C LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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 Leaders Papa LLC (\"Starboard Papa LLC\"), 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\"), Starboard Leaders Fund LP (\"Starboard Leaders Fund\"), Starboard Value A LP (\"Starboard A LP\"), Starboard Value A GP LLC (\"Starboard A GP\"), Jeffrey C. Smith, Mark R. Mitchell and Peter A. Feld (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"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 previously owned more than 10% of the Issuer's outstanding Ordinary Shares. As of July 9, 2018, the Reporting Persons ceased to own in the aggregate more than 10% of the Issuer's outstanding Ordinary Shares. Each Reporting Person disclaims beneficial ownership of the securities 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 securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Securities 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 securities 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 securities 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 securities beneficially owned by Starboard C LP."}],"balance_after":233694,"source":{"system":"sec-edgar","filing":"0000921895-18-002097","document":"form406297208b_07112018.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1575974/000092189518002097/form406297208b_07112018.xml","form_type":"4"}},{"id":3869307,"issuer":{"id":13120,"kind":"organization","name":"Mellanox Technologies, Ltd.","symbol":"MLNX"},"owners":[{"id":165068,"kind":"organization","name":"STARBOARD LEADERS FUND LP","position":1,"cik":"0001575038","reported_name":"STARBOARD LEADERS FUND LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165069,"kind":"organization","name":"Starboard Value A LP","position":2,"cik":"0001575998","reported_name":"Starboard Value A LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165070,"kind":"organization","name":"Starboard Value A GP LLC","position":3,"cik":"0001575974","reported_name":"Starboard Value A GP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":4,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":5,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":6,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Ordinary Shares, nominal value NIS 0.0175 per share","published_at":"2018-07-11T21:29:56.000Z","date":"2018-07-09","kind":"sale","acquired":false,"shares":9059,"price":84.9164,"value":769257.6676,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity C LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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 Leaders Papa LLC (\"Starboard Papa LLC\"), 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\"), Starboard Leaders Fund LP (\"Starboard Leaders Fund\"), Starboard Value A LP (\"Starboard A LP\"), Starboard Value A GP LLC (\"Starboard A GP\"), Jeffrey C. Smith, Mark R. Mitchell and Peter A. Feld (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"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 previously owned more than 10% of the Issuer's outstanding Ordinary Shares. As of July 9, 2018, the Reporting Persons ceased to own in the aggregate more than 10% of the Issuer's outstanding Ordinary Shares. Each Reporting Person disclaims beneficial ownership of the securities 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 securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Securities 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 securities 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 securities 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 securities beneficially owned by Starboard C LP."}],"balance_after":238538,"source":{"system":"sec-edgar","filing":"0000921895-18-002097","document":"form406297208b_07112018.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1575974/000092189518002097/form406297208b_07112018.xml","form_type":"4"}},{"id":3869306,"issuer":{"id":13120,"kind":"organization","name":"Mellanox Technologies, Ltd.","symbol":"MLNX"},"owners":[{"id":165068,"kind":"organization","name":"STARBOARD LEADERS FUND LP","position":1,"cik":"0001575038","reported_name":"STARBOARD LEADERS FUND LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165069,"kind":"organization","name":"Starboard Value A LP","position":2,"cik":"0001575998","reported_name":"Starboard Value A LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165070,"kind":"organization","name":"Starboard Value A GP LLC","position":3,"cik":"0001575974","reported_name":"Starboard Value A GP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":4,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":5,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":6,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Ordinary Shares, nominal value NIS 0.0175 per share","published_at":"2018-07-11T21:29:56.000Z","date":"2018-07-09","kind":"sale","acquired":false,"shares":1427,"price":85.4693,"value":121964.6911,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity S LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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 Leaders Papa LLC (\"Starboard Papa LLC\"), 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\"), Starboard Leaders Fund LP (\"Starboard Leaders Fund\"), Starboard Value A LP (\"Starboard A LP\"), Starboard Value A GP LLC (\"Starboard A GP\"), Jeffrey C. Smith, Mark R. Mitchell and Peter A. Feld (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"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 previously owned more than 10% of the Issuer's outstanding Ordinary Shares. As of July 9, 2018, the Reporting Persons ceased to own in the aggregate more than 10% of the Issuer's outstanding Ordinary Shares. Each Reporting Person disclaims beneficial ownership of the securities 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 securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Securities 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 securities 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 securities beneficially owned by Starboard S LLC."}],"balance_after":412384,"source":{"system":"sec-edgar","filing":"0000921895-18-002097","document":"form406297208b_07112018.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1575974/000092189518002097/form406297208b_07112018.xml","form_type":"4"}},{"id":3869305,"issuer":{"id":13120,"kind":"organization","name":"Mellanox Technologies, Ltd.","symbol":"MLNX"},"owners":[{"id":165068,"kind":"organization","name":"STARBOARD LEADERS FUND LP","position":1,"cik":"0001575038","reported_name":"STARBOARD LEADERS FUND LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165069,"kind":"organization","name":"Starboard Value A LP","position":2,"cik":"0001575998","reported_name":"Starboard Value A LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165070,"kind":"organization","name":"Starboard Value A GP LLC","position":3,"cik":"0001575974","reported_name":"Starboard Value A GP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":4,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":5,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":6,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Ordinary Shares, nominal value NIS 0.0175 per share","published_at":"2018-07-11T21:29:56.000Z","date":"2018-07-09","kind":"sale","acquired":false,"shares":1610,"price":85.4375,"value":137554.375,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity S LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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 Leaders Papa LLC (\"Starboard Papa LLC\"), 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\"), Starboard Leaders Fund LP (\"Starboard Leaders Fund\"), Starboard Value A LP (\"Starboard A LP\"), Starboard Value A GP LLC (\"Starboard A GP\"), Jeffrey C. Smith, Mark R. Mitchell and Peter A. Feld (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"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 previously owned more than 10% of the Issuer's outstanding Ordinary Shares. As of July 9, 2018, the Reporting Persons ceased to own in the aggregate more than 10% of the Issuer's outstanding Ordinary Shares. Each Reporting Person disclaims beneficial ownership of the securities 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 securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Securities 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 securities 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 securities beneficially owned by Starboard S LLC."}],"balance_after":413811,"source":{"system":"sec-edgar","filing":"0000921895-18-002097","document":"form406297208b_07112018.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1575974/000092189518002097/form406297208b_07112018.xml","form_type":"4"}},{"id":3869304,"issuer":{"id":13120,"kind":"organization","name":"Mellanox Technologies, Ltd.","symbol":"MLNX"},"owners":[{"id":165068,"kind":"organization","name":"STARBOARD LEADERS FUND LP","position":1,"cik":"0001575038","reported_name":"STARBOARD LEADERS FUND LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165069,"kind":"organization","name":"Starboard Value A LP","position":2,"cik":"0001575998","reported_name":"Starboard Value A LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165070,"kind":"organization","name":"Starboard Value A GP LLC","position":3,"cik":"0001575974","reported_name":"Starboard Value A GP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":4,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":5,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":6,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Ordinary Shares, nominal value NIS 0.0175 per share","published_at":"2018-07-11T21:29:56.000Z","date":"2018-07-09","kind":"sale","acquired":false,"shares":8611,"price":85.1062,"value":732849.4882,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity S LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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 Leaders Papa LLC (\"Starboard Papa LLC\"), 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\"), Starboard Leaders Fund LP (\"Starboard Leaders Fund\"), Starboard Value A LP (\"Starboard A LP\"), Starboard Value A GP LLC (\"Starboard A GP\"), Jeffrey C. Smith, Mark R. Mitchell and Peter A. Feld (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"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 previously owned more than 10% of the Issuer's outstanding Ordinary Shares. As of July 9, 2018, the Reporting Persons ceased to own in the aggregate more than 10% of the Issuer's outstanding Ordinary Shares. Each Reporting Person disclaims beneficial ownership of the securities 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 securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Securities 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 securities 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 securities beneficially owned by Starboard S LLC."}],"balance_after":415421,"source":{"system":"sec-edgar","filing":"0000921895-18-002097","document":"form406297208b_07112018.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1575974/000092189518002097/form406297208b_07112018.xml","form_type":"4"}},{"id":3869303,"issuer":{"id":13120,"kind":"organization","name":"Mellanox Technologies, Ltd.","symbol":"MLNX"},"owners":[{"id":165068,"kind":"organization","name":"STARBOARD LEADERS FUND LP","position":1,"cik":"0001575038","reported_name":"STARBOARD LEADERS FUND LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165069,"kind":"organization","name":"Starboard Value A LP","position":2,"cik":"0001575998","reported_name":"Starboard Value A LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165070,"kind":"organization","name":"Starboard Value A GP LLC","position":3,"cik":"0001575974","reported_name":"Starboard Value A GP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":4,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":5,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":6,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Ordinary Shares, nominal value NIS 0.0175 per share","published_at":"2018-07-11T21:29:56.000Z","date":"2018-07-09","kind":"sale","acquired":false,"shares":16103,"price":84.9164,"value":1367408.7892,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity S LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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 Leaders Papa LLC (\"Starboard Papa LLC\"), 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\"), Starboard Leaders Fund LP (\"Starboard Leaders Fund\"), Starboard Value A LP (\"Starboard A LP\"), Starboard Value A GP LLC (\"Starboard A GP\"), Jeffrey C. Smith, Mark R. Mitchell and Peter A. Feld (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"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 previously owned more than 10% of the Issuer's outstanding Ordinary Shares. As of July 9, 2018, the Reporting Persons ceased to own in the aggregate more than 10% of the Issuer's outstanding Ordinary Shares. Each Reporting Person disclaims beneficial ownership of the securities 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 securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Securities 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 securities 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 securities beneficially owned by Starboard S LLC."}],"balance_after":424032,"source":{"system":"sec-edgar","filing":"0000921895-18-002097","document":"form406297208b_07112018.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1575974/000092189518002097/form406297208b_07112018.xml","form_type":"4"}},{"id":3869302,"issuer":{"id":13120,"kind":"organization","name":"Mellanox Technologies, Ltd.","symbol":"MLNX"},"owners":[{"id":165068,"kind":"organization","name":"STARBOARD LEADERS FUND LP","position":1,"cik":"0001575038","reported_name":"STARBOARD LEADERS FUND LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165069,"kind":"organization","name":"Starboard Value A LP","position":2,"cik":"0001575998","reported_name":"Starboard Value A LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165070,"kind":"organization","name":"Starboard Value A GP LLC","position":3,"cik":"0001575974","reported_name":"Starboard Value A GP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":4,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":5,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":6,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Ordinary Shares, nominal value NIS 0.0175 per share","published_at":"2018-07-11T21:29:56.000Z","date":"2018-07-09","kind":"sale","acquired":false,"shares":12189,"price":85.4693,"value":1041785.2977,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity Master Fund Ltd"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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 Leaders Papa LLC (\"Starboard Papa LLC\"), 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\"), Starboard Leaders Fund LP (\"Starboard Leaders Fund\"), Starboard Value A LP (\"Starboard A LP\"), Starboard Value A GP LLC (\"Starboard A GP\"), Jeffrey C. Smith, Mark R. Mitchell and Peter A. Feld (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"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 previously owned more than 10% of the Issuer's outstanding Ordinary Shares. As of July 9, 2018, the Reporting Persons ceased to own in the aggregate more than 10% of the Issuer's outstanding Ordinary Shares. Each Reporting Person disclaims beneficial ownership of the securities 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 securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities 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 securities 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 securities beneficially owned by Starboard V&O Fund."}],"balance_after":3521722,"source":{"system":"sec-edgar","filing":"0000921895-18-002097","document":"form406297208b_07112018.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1575974/000092189518002097/form406297208b_07112018.xml","form_type":"4"}},{"id":3869301,"issuer":{"id":13120,"kind":"organization","name":"Mellanox Technologies, Ltd.","symbol":"MLNX"},"owners":[{"id":165068,"kind":"organization","name":"STARBOARD LEADERS FUND LP","position":1,"cik":"0001575038","reported_name":"STARBOARD LEADERS FUND LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165069,"kind":"organization","name":"Starboard Value A LP","position":2,"cik":"0001575998","reported_name":"Starboard Value A LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165070,"kind":"organization","name":"Starboard Value A GP LLC","position":3,"cik":"0001575974","reported_name":"Starboard Value A GP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":4,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":5,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":6,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Ordinary Shares, nominal value NIS 0.0175 per share","published_at":"2018-07-11T21:29:56.000Z","date":"2018-07-09","kind":"sale","acquired":false,"shares":13751,"price":85.4375,"value":1174851.0625,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity Master Fund Ltd"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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 Leaders Papa LLC (\"Starboard Papa LLC\"), 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\"), Starboard Leaders Fund LP (\"Starboard Leaders Fund\"), Starboard Value A LP (\"Starboard A LP\"), Starboard Value A GP LLC (\"Starboard A GP\"), Jeffrey C. Smith, Mark R. Mitchell and Peter A. Feld (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"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 previously owned more than 10% of the Issuer's outstanding Ordinary Shares. As of July 9, 2018, the Reporting Persons ceased to own in the aggregate more than 10% of the Issuer's outstanding Ordinary Shares. Each Reporting Person disclaims beneficial ownership of the securities 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 securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities 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 securities 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 securities beneficially owned by Starboard V&O Fund."}],"balance_after":3533911,"source":{"system":"sec-edgar","filing":"0000921895-18-002097","document":"form406297208b_07112018.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1575974/000092189518002097/form406297208b_07112018.xml","form_type":"4"}},{"id":3869300,"issuer":{"id":13120,"kind":"organization","name":"Mellanox Technologies, Ltd.","symbol":"MLNX"},"owners":[{"id":165068,"kind":"organization","name":"STARBOARD LEADERS FUND LP","position":1,"cik":"0001575038","reported_name":"STARBOARD LEADERS FUND LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165069,"kind":"organization","name":"Starboard Value A LP","position":2,"cik":"0001575998","reported_name":"Starboard Value A LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165070,"kind":"organization","name":"Starboard Value A GP LLC","position":3,"cik":"0001575974","reported_name":"Starboard Value A GP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":4,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":5,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":6,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Ordinary Shares, nominal value NIS 0.0175 per share","published_at":"2018-07-11T21:29:56.000Z","date":"2018-07-09","kind":"sale","acquired":false,"shares":73536,"price":85.1062,"value":6258369.5232,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity Master Fund Ltd"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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 Leaders Papa LLC (\"Starboard Papa LLC\"), 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\"), Starboard Leaders Fund LP (\"Starboard Leaders Fund\"), Starboard Value A LP (\"Starboard A LP\"), Starboard Value A GP LLC (\"Starboard A GP\"), Jeffrey C. Smith, Mark R. Mitchell and Peter A. Feld (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"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 previously owned more than 10% of the Issuer's outstanding Ordinary Shares. As of July 9, 2018, the Reporting Persons ceased to own in the aggregate more than 10% of the Issuer's outstanding Ordinary Shares. Each Reporting Person disclaims beneficial ownership of the securities 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 securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities 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 securities 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 securities beneficially owned by Starboard V&O Fund."}],"balance_after":3547662,"source":{"system":"sec-edgar","filing":"0000921895-18-002097","document":"form406297208b_07112018.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1575974/000092189518002097/form406297208b_07112018.xml","form_type":"4"}},{"id":3869299,"issuer":{"id":13120,"kind":"organization","name":"Mellanox Technologies, Ltd.","symbol":"MLNX"},"owners":[{"id":165068,"kind":"organization","name":"STARBOARD LEADERS FUND LP","position":1,"cik":"0001575038","reported_name":"STARBOARD LEADERS FUND LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165069,"kind":"organization","name":"Starboard Value A LP","position":2,"cik":"0001575998","reported_name":"Starboard Value A LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":165070,"kind":"organization","name":"Starboard Value A GP LLC","position":3,"cik":"0001575974","reported_name":"Starboard Value A GP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":4,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":5,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":6,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Ordinary Shares, nominal value NIS 0.0175 per share","published_at":"2018-07-11T21:29:56.000Z","date":"2018-07-09","kind":"sale","acquired":false,"shares":137515,"price":84.9164,"value":11677278.746,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity Master Fund Ltd"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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 Leaders Papa LLC (\"Starboard Papa LLC\"), 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\"), Starboard Leaders Fund LP (\"Starboard Leaders Fund\"), Starboard Value A LP (\"Starboard A LP\"), Starboard Value A GP LLC (\"Starboard A GP\"), Jeffrey C. Smith, Mark R. Mitchell and Peter A. Feld (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"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 previously owned more than 10% of the Issuer's outstanding Ordinary Shares. As of July 9, 2018, the Reporting Persons ceased to own in the aggregate more than 10% of the Issuer's outstanding Ordinary Shares. Each Reporting Person disclaims beneficial ownership of the securities 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 securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities 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 securities 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 securities beneficially owned by Starboard V&O Fund."}],"balance_after":3621198,"source":{"system":"sec-edgar","filing":"0000921895-18-002097","document":"form406297208b_07112018.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1575974/000092189518002097/form406297208b_07112018.xml","form_type":"4"}},{"id":4020120,"issuer":{"id":13120,"kind":"organization","name":"Mellanox Technologies, Ltd.","symbol":"MLNX"},"owners":[{"id":165068,"kind":"organization","name":"STARBOARD LEADERS FUND LP","position":1,"cik":"0001575038","reported_name":"STARBOARD LEADERS FUND LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":165069,"kind":"organization","name":"Starboard Value A LP","position":2,"cik":"0001575998","reported_name":"Starboard Value A LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":165070,"kind":"organization","name":"Starboard Value A GP LLC","position":3,"cik":"0001575974","reported_name":"Starboard Value A GP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":4,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":42363,"kind":"person","name":"Feld Peter A","position":5,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":6,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Call Option (right to buy)","published_at":"2018-03-02T18:26:34.000Z","date":"2018-02-28","kind":"other","acquired":false,"shares":1,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity Master Fund Ltd"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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 Leaders Papa LLC (\"Starboard Papa LLC\"), 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\"), Starboard Leaders Fund LP (\"Starboard Leaders Fund\"), Starboard Value A LP (\"Starboard A LP\"), Starboard Value A GP LLC (\"Starboard A GP\"), Jeffrey C. Smith, Mark R. Mitchell and Peter A. Feld (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"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 Ordinary Shares. Each Reporting Person disclaims beneficial ownership of the securities 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 securities for purposes of Section 16 or for any other purpose."},{"field":"kind","element":"transactionCoding","label":"F9","text":"Exercise of European-style call options."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities 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 securities 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 securities beneficially owned by Starboard V&O Fund."}],"balance_after":0,"derivative":{"exercise_price":25,"exercise_date":"2018-02-28","expiration_date":"2018-02-28","underlying":"Ordinary Shares, nominal value NIS 0.0175 per share","underlying_shares":460000},"source":{"system":"sec-edgar","filing":"0000921895-18-000823","document":"form406297208b_03022018.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1575974/000092189518000823/form406297208b_03022018.xml","form_type":"4"}},{"id":4020119,"issuer":{"id":13120,"kind":"organization","name":"Mellanox Technologies, Ltd.","symbol":"MLNX"},"owners":[{"id":165068,"kind":"organization","name":"STARBOARD LEADERS FUND LP","position":1,"cik":"0001575038","reported_name":"STARBOARD LEADERS FUND LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":165069,"kind":"organization","name":"Starboard Value A LP","position":2,"cik":"0001575998","reported_name":"Starboard Value A LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":165070,"kind":"organization","name":"Starboard Value A GP LLC","position":3,"cik":"0001575974","reported_name":"Starboard Value A GP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":4,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":42363,"kind":"person","name":"Feld Peter A","position":5,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":6,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Ordinary Shares, nominal value NIS 0.0175 per share","published_at":"2018-03-02T18:26:34.000Z","date":"2018-02-28","kind":"other","acquired":true,"shares":460000,"price":25,"value":11500000.0,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity Master Fund Ltd"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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 Leaders Papa LLC (\"Starboard Papa LLC\"), 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\"), Starboard Leaders Fund LP (\"Starboard Leaders Fund\"), Starboard Value A LP (\"Starboard A LP\"), Starboard Value A GP LLC (\"Starboard A GP\"), Jeffrey C. Smith, Mark R. Mitchell and Peter A. Feld (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"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 Ordinary Shares. Each Reporting Person disclaims beneficial ownership of the securities 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 securities for purposes of Section 16 or for any other purpose."},{"field":"kind","element":"transactionCoding","label":"F9","text":"Exercise of European-style call options."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities 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 securities 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 securities beneficially owned by Starboard V&O Fund."}],"balance_after":3758713,"source":{"system":"sec-edgar","filing":"0000921895-18-000823","document":"form406297208b_03022018.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1575974/000092189518000823/form406297208b_03022018.xml","form_type":"4"}},{"id":4530563,"issuer":{"id":4987,"kind":"organization","name":"QUANTUM CORP /DE/","symbol":"QMCO"},"owners":[{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":1,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":2,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":3,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Common Stock, $0.01 Par Value","published_at":"2016-12-07T23:17:47.000Z","date":"2016-12-06","kind":"sale","acquired":false,"shares":1416577,"price":0.9103,"value":1289510.0431,"ownership":{"direct":false,"nature":"By Managed Account of Starboard Value LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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."},{"field":"security","element":"securityTitle","label":"F2","text":"Each Reporting Person may be deemed to be a member of a Section 13(d) group that previously owned more than 10% of the Issuer's outstanding shares of Common Stock.  As of December 6, 2016, the Reporting Persons ceased to own in the aggregate 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"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."}],"balance_after":1500174,"source":{"system":"sec-edgar","filing":"0000921895-16-006296","document":"form406297109b_12072016.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/709283/000092189516006296/form406297109b_12072016.xml","form_type":"4"}},{"id":4530562,"issuer":{"id":4987,"kind":"organization","name":"QUANTUM CORP /DE/","symbol":"QMCO"},"owners":[{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":1,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":2,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":3,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Common Stock, $0.01 Par Value","published_at":"2016-12-07T23:17:47.000Z","date":"2016-12-06","kind":"sale","acquired":false,"shares":739152,"price":0.9103,"value":672850.0656,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity C LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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."},{"field":"security","element":"securityTitle","label":"F2","text":"Each Reporting Person may be deemed to be a member of a Section 13(d) group that previously owned more than 10% of the Issuer's outstanding shares of Common Stock.  As of December 6, 2016, the Reporting Persons ceased to own in the aggregate 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"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."}],"balance_after":782771,"source":{"system":"sec-edgar","filing":"0000921895-16-006296","document":"form406297109b_12072016.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/709283/000092189516006296/form406297109b_12072016.xml","form_type":"4"}},{"id":4530561,"issuer":{"id":4987,"kind":"organization","name":"QUANTUM CORP /DE/","symbol":"QMCO"},"owners":[{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":1,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":2,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":3,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Common Stock, $0.01 Par Value","published_at":"2016-12-07T23:17:47.000Z","date":"2016-12-06","kind":"sale","acquired":false,"shares":905330,"price":0.9103,"value":824121.899,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity S LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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."},{"field":"security","element":"securityTitle","label":"F2","text":"Each Reporting Person may be deemed to be a member of a Section 13(d) group that previously owned more than 10% of the Issuer's outstanding shares of Common Stock.  As of December 6, 2016, the Reporting Persons ceased to own in the aggregate 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"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."}],"balance_after":958757,"source":{"system":"sec-edgar","filing":"0000921895-16-006296","document":"form406297109b_12072016.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/709283/000092189516006296/form406297109b_12072016.xml","form_type":"4"}},{"id":4530560,"issuer":{"id":4987,"kind":"organization","name":"QUANTUM CORP /DE/","symbol":"QMCO"},"owners":[{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":1,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":2,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":3,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Common Stock, $0.01 Par Value","published_at":"2016-12-07T23:17:47.000Z","date":"2016-12-06","kind":"sale","acquired":false,"shares":4038941,"price":0.9103,"value":3676647.9923,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity Master Fund Ltd"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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."},{"field":"security","element":"securityTitle","label":"F2","text":"Each Reporting Person may be deemed to be a member of a Section 13(d) group that previously owned more than 10% of the Issuer's outstanding shares of Common Stock.  As of December 6, 2016, the Reporting Persons ceased to own in the aggregate 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"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."}],"balance_after":4277294,"source":{"system":"sec-edgar","filing":"0000921895-16-006296","document":"form406297109b_12072016.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/709283/000092189516006296/form406297109b_12072016.xml","form_type":"4"}},{"id":4530559,"issuer":{"id":4987,"kind":"organization","name":"QUANTUM CORP /DE/","symbol":"QMCO"},"owners":[{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":1,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":2,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":3,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Common Stock, $0.01 Par Value","published_at":"2016-12-07T23:17:47.000Z","date":"2016-12-06","kind":"sale","acquired":false,"shares":149639,"price":0.92,"value":137667.88,"ownership":{"direct":false,"nature":"By Managed Account of Starboard Value LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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."},{"field":"security","element":"securityTitle","label":"F2","text":"Each Reporting Person may be deemed to be a member of a Section 13(d) group that previously owned more than 10% of the Issuer's outstanding shares of Common Stock.  As of December 6, 2016, the Reporting Persons ceased to own in the aggregate 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"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."}],"balance_after":2916751,"source":{"system":"sec-edgar","filing":"0000921895-16-006296","document":"form406297109b_12072016.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/709283/000092189516006296/form406297109b_12072016.xml","form_type":"4"}},{"id":4530558,"issuer":{"id":4987,"kind":"organization","name":"QUANTUM CORP /DE/","symbol":"QMCO"},"owners":[{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":1,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":2,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":3,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Common Stock, $0.01 Par Value","published_at":"2016-12-07T23:17:47.000Z","date":"2016-12-06","kind":"sale","acquired":false,"shares":78079,"price":0.92,"value":71832.68,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity C LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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."},{"field":"security","element":"securityTitle","label":"F2","text":"Each Reporting Person may be deemed to be a member of a Section 13(d) group that previously owned more than 10% of the Issuer's outstanding shares of Common Stock.  As of December 6, 2016, the Reporting Persons ceased to own in the aggregate 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"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."}],"balance_after":1521923,"source":{"system":"sec-edgar","filing":"0000921895-16-006296","document":"form406297109b_12072016.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/709283/000092189516006296/form406297109b_12072016.xml","form_type":"4"}},{"id":4530557,"issuer":{"id":4987,"kind":"organization","name":"QUANTUM CORP /DE/","symbol":"QMCO"},"owners":[{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":1,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":2,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":3,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Common Stock, $0.01 Par Value","published_at":"2016-12-07T23:17:47.000Z","date":"2016-12-06","kind":"sale","acquired":false,"shares":95633,"price":0.92,"value":87982.36,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity S LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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."},{"field":"security","element":"securityTitle","label":"F2","text":"Each Reporting Person may be deemed to be a member of a Section 13(d) group that previously owned more than 10% of the Issuer's outstanding shares of Common Stock.  As of December 6, 2016, the Reporting Persons ceased to own in the aggregate 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"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."}],"balance_after":1864087,"source":{"system":"sec-edgar","filing":"0000921895-16-006296","document":"form406297109b_12072016.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/709283/000092189516006296/form406297109b_12072016.xml","form_type":"4"}},{"id":4530556,"issuer":{"id":4987,"kind":"organization","name":"QUANTUM CORP /DE/","symbol":"QMCO"},"owners":[{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":1,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":2,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}},{"id":42363,"kind":"person","name":"Feld Peter A","position":3,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Footnote 2"}}],"security":"Common Stock, $0.01 Par Value","published_at":"2016-12-07T23:17:47.000Z","date":"2016-12-06","kind":"sale","acquired":false,"shares":426649,"price":0.92,"value":392517.08,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity Master Fund Ltd"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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."},{"field":"security","element":"securityTitle","label":"F2","text":"Each Reporting Person may be deemed to be a member of a Section 13(d) group that previously owned more than 10% of the Issuer's outstanding shares of Common Stock.  As of December 6, 2016, the Reporting Persons ceased to own in the aggregate 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"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."}],"balance_after":8316235,"source":{"system":"sec-edgar","filing":"0000921895-16-006296","document":"form406297109b_12072016.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/709283/000092189516006296/form406297109b_12072016.xml","form_type":"4"}},{"id":4534454,"issuer":{"id":4987,"kind":"organization","name":"QUANTUM CORP /DE/","symbol":"QMCO"},"owners":[{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":1,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":2,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":42363,"kind":"person","name":"Feld Peter A","position":3,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.01 Par Value","published_at":"2016-12-06T00:04:55.000Z","date":"2016-12-05","kind":"sale","acquired":false,"shares":518746,"price":0.9201,"value":477298.1946,"ownership":{"direct":false,"nature":"By Managed Account of Starboard Value LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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."},{"field":"security","element":"securityTitle","label":"F2","text":"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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"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."}],"balance_after":3066390,"source":{"system":"sec-edgar","filing":"0000921895-16-006279","document":"form406297109b_12052016.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/709283/000092189516006279/form406297109b_12052016.xml","form_type":"4"}},{"id":4534453,"issuer":{"id":4987,"kind":"organization","name":"QUANTUM CORP /DE/","symbol":"QMCO"},"owners":[{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":1,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":2,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":42363,"kind":"person","name":"Feld Peter A","position":3,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.01 Par Value","published_at":"2016-12-06T00:04:55.000Z","date":"2016-12-05","kind":"sale","acquired":false,"shares":270675,"price":0.9201,"value":249048.0675,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity C LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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."},{"field":"security","element":"securityTitle","label":"F2","text":"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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"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."}],"balance_after":1600002,"source":{"system":"sec-edgar","filing":"0000921895-16-006279","document":"form406297109b_12052016.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/709283/000092189516006279/form406297109b_12052016.xml","form_type":"4"}},{"id":4534452,"issuer":{"id":4987,"kind":"organization","name":"QUANTUM CORP /DE/","symbol":"QMCO"},"owners":[{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":1,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":2,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":42363,"kind":"person","name":"Feld Peter A","position":3,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.01 Par Value","published_at":"2016-12-06T00:04:55.000Z","date":"2016-12-05","kind":"sale","acquired":false,"shares":331530,"price":0.9201,"value":305040.753,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity S LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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."},{"field":"security","element":"securityTitle","label":"F2","text":"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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"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."}],"balance_after":1959720,"source":{"system":"sec-edgar","filing":"0000921895-16-006279","document":"form406297109b_12052016.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/709283/000092189516006279/form406297109b_12052016.xml","form_type":"4"}},{"id":4534451,"issuer":{"id":4987,"kind":"organization","name":"QUANTUM CORP /DE/","symbol":"QMCO"},"owners":[{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":1,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":2,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":42363,"kind":"person","name":"Feld Peter A","position":3,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.01 Par Value","published_at":"2016-12-06T00:04:55.000Z","date":"2016-12-05","kind":"sale","acquired":false,"shares":1479049,"price":0.9201,"value":1360872.9849,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity Master Fund Ltd"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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."},{"field":"security","element":"securityTitle","label":"F2","text":"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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"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."}],"balance_after":8742884,"source":{"system":"sec-edgar","filing":"0000921895-16-006279","document":"form406297109b_12052016.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/709283/000092189516006279/form406297109b_12052016.xml","form_type":"4"}},{"id":4534450,"issuer":{"id":4987,"kind":"organization","name":"QUANTUM CORP /DE/","symbol":"QMCO"},"owners":[{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":1,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":2,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":42363,"kind":"person","name":"Feld Peter A","position":3,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.01 Par Value","published_at":"2016-12-06T00:04:55.000Z","date":"2016-12-01","kind":"sale","acquired":false,"shares":199518,"price":0.92,"value":183556.56,"ownership":{"direct":false,"nature":"By Managed Account of Starboard Value LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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."},{"field":"security","element":"securityTitle","label":"F2","text":"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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"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."}],"balance_after":3585136,"source":{"system":"sec-edgar","filing":"0000921895-16-006279","document":"form406297109b_12052016.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/709283/000092189516006279/form406297109b_12052016.xml","form_type":"4"}},{"id":4534449,"issuer":{"id":4987,"kind":"organization","name":"QUANTUM CORP /DE/","symbol":"QMCO"},"owners":[{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":1,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":2,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":42363,"kind":"person","name":"Feld Peter A","position":3,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.01 Par Value","published_at":"2016-12-06T00:04:55.000Z","date":"2016-12-01","kind":"sale","acquired":false,"shares":104106,"price":0.92,"value":95777.52,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity C LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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."},{"field":"security","element":"securityTitle","label":"F2","text":"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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"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."}],"balance_after":1870677,"source":{"system":"sec-edgar","filing":"0000921895-16-006279","document":"form406297109b_12052016.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/709283/000092189516006279/form406297109b_12052016.xml","form_type":"4"}},{"id":4534448,"issuer":{"id":4987,"kind":"organization","name":"QUANTUM CORP /DE/","symbol":"QMCO"},"owners":[{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":1,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":2,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":42363,"kind":"person","name":"Feld Peter A","position":3,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.01 Par Value","published_at":"2016-12-06T00:04:55.000Z","date":"2016-12-01","kind":"sale","acquired":false,"shares":127512,"price":0.92,"value":117311.04,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity S LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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."},{"field":"security","element":"securityTitle","label":"F2","text":"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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"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."}],"balance_after":2291250,"source":{"system":"sec-edgar","filing":"0000921895-16-006279","document":"form406297109b_12052016.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/709283/000092189516006279/form406297109b_12052016.xml","form_type":"4"}},{"id":4534447,"issuer":{"id":4987,"kind":"organization","name":"QUANTUM CORP /DE/","symbol":"QMCO"},"owners":[{"id":18355,"kind":"person","name":"Smith Jeffrey C","position":1,"cik":"0001362697","reported_name":"Smith Jeffrey C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":106818,"kind":"person","name":"MITCHELL MARK R","position":2,"cik":"0001285596","reported_name":"MITCHELL MARK R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":42363,"kind":"person","name":"Feld Peter A","position":3,"cik":"0001410600","reported_name":"Feld Peter A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.01 Par Value","published_at":"2016-12-06T00:04:55.000Z","date":"2016-12-01","kind":"sale","acquired":false,"shares":568864,"price":0.92,"value":523354.88,"ownership":{"direct":false,"nature":"By Starboard Value and Opportunity Master Fund Ltd"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"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."},{"field":"security","element":"securityTitle","label":"F2","text":"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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"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."}],"balance_after":10221933,"source":{"system":"sec-edgar","filing":"0000921895-16-006279","document":"form406297109b_12052016.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/709283/000092189516006279/form406297109b_12052016.xml","form_type":"4"}}]}