{"transactions":[{"id":2121144,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":4,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock, par value $0.00001","published_at":"2022-11-09T20:01:22.000Z","date":"2022-11-07","kind":"sale","acquired":false,"shares":60541,"price":18.007,"value":1090161.787,"ownership":{"direct":false,"nature":"By Viex Opportunities Fund, LP - Series One"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Represents a weighted average price. These Shares were sold in multiple transactions at prices ranging from $17.90 to $18.26. The Reporting Persons undertake to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of common stock sold at each separate price within the range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX GP, LLC (\"VIEX GP\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer reported owned 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 any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by Series One. VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000921895-22-002954","document":"form410114025_11092022.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1606750/000092189522002954/form410114025_11092022.xml","form_type":"4"}},{"id":2797547,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock, $0.001 par value","published_at":"2021-03-11T02:30:53.000Z","date":"2021-03-09","kind":"sale","acquired":false,"shares":219431,"price":9.9943,"value":2193059.2433,"ownership":{"direct":false,"nature":"By VIEX Opportunities Fund, LP - Series One"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported is a weighted average price. These Shares were sold in multiple transactions at prices ranging from $9.7200 to $10.5650 per Share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Shares sold at each separate price within the range set forth in this footnote 6."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Securities of the Issuer beneficially owned directly by Series One. VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer reported herein except to the extent of his or its pecuniary interest\ntherein, 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."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000921895-21-000705","document":"form410114018_03102021.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000092189521000705/form410114018_03102021.xml","form_type":"4"}},{"id":2797546,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock, $0.001 par value","published_at":"2021-03-11T02:30:53.000Z","date":"2021-03-08","kind":"sale","acquired":false,"shares":67939,"price":9.9803,"value":678051.6017,"ownership":{"direct":false,"nature":"By VIEX Opportunities Fund, LP - Series One"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported is a weighted average price. These Shares were sold in multiple transactions at prices ranging from $9.5600 to $10.5800 per Share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Shares sold at each separate price within the range set forth in this footnote 5."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Securities of the Issuer beneficially owned directly by Series One. VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer reported herein except to the extent of his or its pecuniary interest\ntherein, 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."}],"balance_after":219431,"source":{"system":"sec-edgar","filing":"0000921895-21-000705","document":"form410114018_03102021.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000092189521000705/form410114018_03102021.xml","form_type":"4"}},{"id":2846887,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock, $0.001 par value","published_at":"2021-02-20T01:32:19.000Z","date":"2021-02-19","kind":"sale","acquired":false,"shares":101749,"price":12.5754,"value":1279534.3746,"ownership":{"direct":false,"nature":"By VIEX Opportunities Fund, LP - Series One"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported is a weighted average price. These Shares were sold in multiple transactions at prices ranging from $12.1100 to $13.0800 per Share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Shares sold at each separate price within the range set forth in this footnote 5."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Securities of the Issuer beneficially owned directly by Series One. VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer reported herein except to the extent of his or its pecuniary interest\ntherein, 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."}],"balance_after":287370,"source":{"system":"sec-edgar","filing":"0000921895-21-000516","document":"form410114018_02192021.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000092189521000516/form410114018_02192021.xml","form_type":"4"}},{"id":2846886,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock, $0.001 par value","published_at":"2021-02-20T01:32:19.000Z","date":"2021-02-18","kind":"sale","acquired":false,"shares":96987,"price":13.0026,"value":1261083.1662,"ownership":{"direct":false,"nature":"By VIEX Opportunities Fund, LP - Series One"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported is a weighted average price. These Shares were sold in multiple transactions at prices ranging from $12.6400 to $13.5000 per Share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Shares sold at each separate price within the range set forth in this footnote 5."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Securities of the Issuer beneficially owned directly by Series One. VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer reported herein except to the extent of his or its pecuniary interest\ntherein, 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."}],"balance_after":389119,"source":{"system":"sec-edgar","filing":"0000921895-21-000516","document":"form410114018_02192021.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000092189521000516/form410114018_02192021.xml","form_type":"4"}},{"id":2846885,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock, $0.001 par value","published_at":"2021-02-20T01:32:19.000Z","date":"2021-02-19","kind":"sale","acquired":false,"shares":152622,"price":12.5754,"value":1919282.6988,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported is a weighted average price. These Shares were sold in multiple transactions at prices ranging from $12.1100 to $13.0800 per Share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Shares sold at each separate price within the range set forth in this footnote 5."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer reported herein except to the extent of his or its pecuniary interest\ntherein, 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."}],"balance_after":598879,"source":{"system":"sec-edgar","filing":"0000921895-21-000516","document":"form410114018_02192021.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000092189521000516/form410114018_02192021.xml","form_type":"4"}},{"id":2846884,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock, $0.001 par value","published_at":"2021-02-20T01:32:19.000Z","date":"2021-02-18","kind":"sale","acquired":false,"shares":145479,"price":13.0026,"value":1891605.2454,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported is a weighted average price. These Shares were sold in multiple transactions at prices ranging from $12.6400 to $13.5000 per Share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Shares sold at each separate price within the range set forth in this footnote 5."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer reported herein except to the extent of his or its pecuniary interest\ntherein, 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."}],"balance_after":751501,"source":{"system":"sec-edgar","filing":"0000921895-21-000516","document":"form410114018_02192021.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000092189521000516/form410114018_02192021.xml","form_type":"4"}},{"id":2929167,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock, $0.001 par value","published_at":"2020-12-30T23:00:16.000Z","date":"2020-12-29","kind":"sale","acquired":false,"shares":37440,"price":10.7242,"value":401514.048,"ownership":{"direct":false,"nature":"By VIEX Opportunities Fund, LP - Series One"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"The sales reported herein by the Reporting Persons were made pursuant to the previously disclosed Securities Sales Plan Agreement (the \"2020 Sales Plan Agreement\") entered into with Virtu Americas LLC for the purpose of establishing a trading plan to effect sales of Shares in compliance with all applicable laws, including, without limitation, Section 10(b) of the Exchange Act, and the rules and regulations promulgated thereunder, including, but not limited to, Rule 10b5-1. All of the Shares contemplated to be sold thereunder have been sold and the 2020 Sales Plan Agreement has now terminated."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported is a weighted average price. These Shares were sold in multiple transactions at prices ranging from $10.5100 to $10.8600 per Share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Shares sold at each separate price within the range set forth in this footnote 7."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Securities of the Issuer beneficially owned directly by Series One. VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":486106,"source":{"system":"sec-edgar","filing":"0001214659-20-010808","document":"marketforms-50783.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000121465920010808/marketforms-50783.xml","form_type":"4"}},{"id":2929166,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock, $0.001 par value","published_at":"2020-12-30T23:00:16.000Z","date":"2020-12-28","kind":"sale","acquired":false,"shares":508451,"price":9.7347,"value":4949617.9497,"ownership":{"direct":false,"nature":"By VIEX Opportunities Fund, LP - Series One"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"The sales reported herein by the Reporting Persons were made pursuant to the previously disclosed Securities Sales Plan Agreement (the \"2020 Sales Plan Agreement\") entered into with Virtu Americas LLC for the purpose of establishing a trading plan to effect sales of Shares in compliance with all applicable laws, including, without limitation, Section 10(b) of the Exchange Act, and the rules and regulations promulgated thereunder, including, but not limited to, Rule 10b5-1. All of the Shares contemplated to be sold thereunder have been sold and the 2020 Sales Plan Agreement has now terminated."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported is a weighted average price. These Shares were sold in multiple transactions at prices ranging from $9.5000 to $10.3000 per Share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Shares sold at each separate price within the range set forth in this footnote 6."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Securities of the Issuer beneficially owned directly by Series One. VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":523546,"source":{"system":"sec-edgar","filing":"0001214659-20-010808","document":"marketforms-50783.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000121465920010808/marketforms-50783.xml","form_type":"4"}},{"id":2929165,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock, $0.001 par value","published_at":"2020-12-30T23:00:16.000Z","date":"2020-12-29","kind":"sale","acquired":false,"shares":66560,"price":10.7242,"value":713802.752,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"The sales reported herein by the Reporting Persons were made pursuant to the previously disclosed Securities Sales Plan Agreement (the \"2020 Sales Plan Agreement\") entered into with Virtu Americas LLC for the purpose of establishing a trading plan to effect sales of Shares in compliance with all applicable laws, including, without limitation, Section 10(b) of the Exchange Act, and the rules and regulations promulgated thereunder, including, but not limited to, Rule 10b5-1. All of the Shares contemplated to be sold thereunder have been sold and the 2020 Sales Plan Agreement has now terminated."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported is a weighted average price. These Shares were sold in multiple transactions at prices ranging from $10.5100 to $10.8600 per Share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Shares sold at each separate price within the range set forth in this footnote 7."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":896980,"source":{"system":"sec-edgar","filing":"0001214659-20-010808","document":"marketforms-50783.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000121465920010808/marketforms-50783.xml","form_type":"4"}},{"id":2929164,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock, $0.001 par value","published_at":"2020-12-30T23:00:16.000Z","date":"2020-12-28","kind":"sale","acquired":false,"shares":937549,"price":9.7347,"value":9126758.2503,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"The sales reported herein by the Reporting Persons were made pursuant to the previously disclosed Securities Sales Plan Agreement (the \"2020 Sales Plan Agreement\") entered into with Virtu Americas LLC for the purpose of establishing a trading plan to effect sales of Shares in compliance with all applicable laws, including, without limitation, Section 10(b) of the Exchange Act, and the rules and regulations promulgated thereunder, including, but not limited to, Rule 10b5-1. All of the Shares contemplated to be sold thereunder have been sold and the 2020 Sales Plan Agreement has now terminated."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported is a weighted average price. These Shares were sold in multiple transactions at prices ranging from $9.5000 to $10.3000 per Share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Shares sold at each separate price within the range set forth in this footnote 6."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":963540,"source":{"system":"sec-edgar","filing":"0001214659-20-010808","document":"marketforms-50783.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000121465920010808/marketforms-50783.xml","form_type":"4"}},{"id":3037924,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2020-09-05T00:30:25.000Z","date":"2020-09-03","kind":"sale","acquired":false,"shares":29347,"price":9.2067,"value":270189.0249,"ownership":{"direct":false,"nature":"By VIEX Opportunities Fund, LP - Series One"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Securities of the Issuer beneficially owned directly by Series One. VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer reported herein except to the extent of his or its pecuniary interest\ntherein, 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\nSection 16 or for any other purpose."}],"balance_after":1031997,"source":{"system":"sec-edgar","filing":"0001193805-20-001120","document":"e619918_4-immr.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000119380520001120/e619918_4-immr.xml","form_type":"4"}},{"id":3037923,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2020-09-05T00:30:25.000Z","date":"2020-09-03","kind":"sale","acquired":false,"shares":23874,"price":9.5296,"value":227509.6704,"ownership":{"direct":false,"nature":"By VIEX Opportunities Fund, LP - Series One"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Securities of the Issuer beneficially owned directly by Series One. VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer reported herein except to the extent of his or its pecuniary interest\ntherein, 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\nSection 16 or for any other purpose."}],"balance_after":1061344,"source":{"system":"sec-edgar","filing":"0001193805-20-001120","document":"e619918_4-immr.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000119380520001120/e619918_4-immr.xml","form_type":"4"}},{"id":3037922,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2020-09-05T00:30:25.000Z","date":"2020-09-02","kind":"sale","acquired":false,"shares":187211,"price":10.3191,"value":1931849.0301,"ownership":{"direct":false,"nature":"By VIEX Opportunities Fund, LP - Series One"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Securities of the Issuer beneficially owned directly by Series One. VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer reported herein except to the extent of his or its pecuniary interest\ntherein, 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\nSection 16 or for any other purpose."}],"balance_after":1085218,"source":{"system":"sec-edgar","filing":"0001193805-20-001120","document":"e619918_4-immr.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000119380520001120/e619918_4-immr.xml","form_type":"4"}},{"id":3037921,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2020-09-05T00:30:25.000Z","date":"2020-09-02","kind":"sale","acquired":false,"shares":23635,"price":10.1434,"value":239739.259,"ownership":{"direct":false,"nature":"By VIEX Opportunities Fund, LP - Series One"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Securities of the Issuer beneficially owned directly by Series One. VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer reported herein except to the extent of his or its pecuniary interest\ntherein, 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\nSection 16 or for any other purpose."}],"balance_after":1272429,"source":{"system":"sec-edgar","filing":"0001193805-20-001120","document":"e619918_4-immr.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000119380520001120/e619918_4-immr.xml","form_type":"4"}},{"id":3037920,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2020-09-05T00:30:25.000Z","date":"2020-09-03","kind":"sale","acquired":false,"shares":54062,"price":9.2067,"value":497732.6154,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer reported herein except to the extent of his or its pecuniary interest\ntherein, 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\nSection 16 or for any other purpose."}],"balance_after":1901089,"source":{"system":"sec-edgar","filing":"0001193805-20-001120","document":"e619918_4-immr.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000119380520001120/e619918_4-immr.xml","form_type":"4"}},{"id":3037919,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2020-09-05T00:30:25.000Z","date":"2020-09-03","kind":"sale","acquired":false,"shares":43980,"price":9.5296,"value":419111.808,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer reported herein except to the extent of his or its pecuniary interest\ntherein, 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\nSection 16 or for any other purpose."}],"balance_after":1955151,"source":{"system":"sec-edgar","filing":"0001193805-20-001120","document":"e619918_4-immr.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000119380520001120/e619918_4-immr.xml","form_type":"4"}},{"id":3037918,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2020-09-05T00:30:25.000Z","date":"2020-09-02","kind":"sale","acquired":false,"shares":345187,"price":10.3191,"value":3562019.1717,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer reported herein except to the extent of his or its pecuniary interest\ntherein, 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\nSection 16 or for any other purpose."}],"balance_after":1999131,"source":{"system":"sec-edgar","filing":"0001193805-20-001120","document":"e619918_4-immr.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000119380520001120/e619918_4-immr.xml","form_type":"4"}},{"id":3037917,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2020-09-05T00:30:25.000Z","date":"2020-09-02","kind":"sale","acquired":false,"shares":43580,"price":10.1434,"value":442049.372,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer reported herein except to the extent of his or its pecuniary interest\ntherein, 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\nSection 16 or for any other purpose."}],"balance_after":2344318,"source":{"system":"sec-edgar","filing":"0001193805-20-001120","document":"e619918_4-immr.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000119380520001120/e619918_4-immr.xml","form_type":"4"}},{"id":3039827,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Resposnes"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2020-09-04T00:00:15.000Z","date":"2020-09-01","kind":"other","acquired":false,"shares":61870,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By VIEX Opportunities Fund, LP - Series One"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Represents a distribution of shares of the Issuer from Series One to a limited partner of Series One for no consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Securities of the Issuer beneficially owned directly by Series One. VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":1296064,"source":{"system":"sec-edgar","filing":"0001214659-20-007677","document":"marketforms-49600.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000121465920007677/marketforms-49600.xml","form_type":"4"}},{"id":3039317,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":5,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":6,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":7,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.00001","published_at":"2020-09-03T16:17:39.000Z","date":"2020-09-01","kind":"other","acquired":false,"shares":68817,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Viex Opportunities Fund, LP - Series One"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Represents a distribution of shares of the Issuer from Series One to a limited partner of Series One."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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 of the Issuer beneficially owned directly by Series One. VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One."}],"balance_after":1465781,"source":{"system":"sec-edgar","filing":"0001580808-20-000091","document":"wf-form4_159916424208980.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000158080820000091/wf-form4_159916424208980.xml","form_type":"4"}},{"id":3067515,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":5,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":6,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":7,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.00001","published_at":"2020-08-05T16:12:48.000Z","date":"2020-08-03","kind":"other","acquired":false,"shares":123762,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Viex Opportunities Fund, LP - Series One"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents a distribution of shares of the Issuer from Series One to a limited partner of Series One for no consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Mr. Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Securities of the Issuer beneficially owned directly by Series One. VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer reported herein except to the extent of his or its pecuniary interest therein, and the inclusion of these shares in 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."}],"balance_after":1534598,"source":{"system":"sec-edgar","filing":"0001580808-20-000087","document":"wf-form4_159665835222629.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000158080820000087/wf-form4_159665835222629.xml","form_type":"4"}},{"id":3344471,"issuer":{"id":4987,"kind":"organization","name":"QUANTUM CORP /DE/","symbol":"QMCO"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":4,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":5,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":6,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":7,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock, par value $0.001","published_at":"2019-12-13T01:04:30.000Z","date":"2019-12-10","kind":"sale","acquired":false,"shares":252469,"price":5.775,"value":1458008.475,"ownership":{"direct":false,"nature":"By Viex Special Opportunities Fund III, LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"As of the close of business on December 10, 2019, the Reporting Persons ceased to be holders of an aggregate of 10% or more of Quantum Corporation's (the \"Issuer\") outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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 of the Issuer beneficially owned directly by VSO III. VSO GP III, as the general partner of VSO III, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO III. VIEX Capital, as the investment manager of VSO III, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO III. Mr. Singer, as the managing member of each of VSO GP III and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO III."}],"balance_after":2336364,"source":{"system":"sec-edgar","filing":"0000921895-19-002984","document":"form410114016_12122019.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/709283/000092189519002984/form410114016_12122019.xml","form_type":"4"}},{"id":3344470,"issuer":{"id":4987,"kind":"organization","name":"QUANTUM CORP /DE/","symbol":"QMCO"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":4,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":5,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":6,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":7,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock, par value $0.001","published_at":"2019-12-13T01:04:30.000Z","date":"2019-12-10","kind":"sale","acquired":false,"shares":17227,"price":5.775,"value":99485.925,"ownership":{"direct":false,"nature":"By Viex Opportunities Fund, LP - Series Two"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"As of the close of business on December 10, 2019, the Reporting Persons ceased to be holders of an aggregate of 10% or more of Quantum Corporation's (the \"Issuer\") outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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 of the Issuer beneficially owned directly by Series Two. VIEX GP, as the general partner of Series Two, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series Two. VIEX Capital, as the investment manager of Series Two, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series Two. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series Two."}],"balance_after":159421,"source":{"system":"sec-edgar","filing":"0000921895-19-002984","document":"form410114016_12122019.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/709283/000092189519002984/form410114016_12122019.xml","form_type":"4"}},{"id":3344469,"issuer":{"id":4987,"kind":"organization","name":"QUANTUM CORP /DE/","symbol":"QMCO"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":4,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":5,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":6,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":7,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock, par value $0.001","published_at":"2019-12-13T01:04:30.000Z","date":"2019-12-10","kind":"sale","acquired":false,"shares":90304,"price":5.775,"value":521505.6,"ownership":{"direct":false,"nature":"By Viex Opportunities Fund, LP - Series One"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"As of the close of business on December 10, 2019, the Reporting Persons ceased to be holders of an aggregate of 10% or more of Quantum Corporation's (the \"Issuer\") outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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 of the Issuer beneficially owned directly by Series One. VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series One."}],"balance_after":835679,"source":{"system":"sec-edgar","filing":"0000921895-19-002984","document":"form410114016_12122019.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/709283/000092189519002984/form410114016_12122019.xml","form_type":"4"}},{"id":3366499,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Put Option (obligation to buy)","published_at":"2019-11-19T21:07:14.000Z","date":"2019-11-15","kind":"other","acquired":false,"shares":707,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"On November 15, 2019, 707 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, expired.  As such put option contracts were written prior to the Reporting Persons becoming subject to Section 16, their expiration should not be subject to Section 16(b) pursuant to the court's reasoning in Roth v. Goldman Sachs Group, Inc., 740 F.3d 865 (2d Cir. 2014)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"These options were exercisable upon issuance."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"(continued from footnote 2) VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II.  Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"On November 15, 2019, 707 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, expired.  As such put option contracts were written prior to the Reporting Persons becoming subject to Section 16, their expiration should not be subject to Section 16(b) pursuant to the court's reasoning in Roth v. Goldman Sachs Group, Inc., 740 F.3d 865 (2d Cir. 2014)."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":0,"derivative":{"exercise_price":7.5,"expiration_date":"2019-11-15","underlying":"Common Stock","underlying_shares":70700},"source":{"system":"sec-edgar","filing":"0001567619-19-021852","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000156761919021852/doc1.xml","form_type":"4"}},{"id":3366498,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Put Option (obligation to buy)","published_at":"2019-11-19T21:07:14.000Z","date":"2019-11-15","kind":"other","acquired":false,"shares":1293,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options purchased or sold by VSO II. These transactions represent (i) the exercise on November 15, 2019 of 2,205 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, (ii) the exercise on November 15, 2019 of 2,332 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, and (iii) the exercise on November 15, 2019 of 1,293 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II."},{"field":"kind","element":"transactionCoding","label":"F3","text":"(continued from footnote 2) VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II.  Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"These options were exercisable upon issuance."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options purchased or sold by VSO II. These transactions represent (i) the exercise on November 15, 2019 of 2,205 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, (ii) the exercise on November 15, 2019 of 2,332 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, and (iii) the exercise on November 15, 2019 of 1,293 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"(continued from footnote 2) VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II.  Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":0,"derivative":{"exercise_price":7.5,"expiration_date":"2019-11-15","underlying":"Common Stock","underlying_shares":129300},"source":{"system":"sec-edgar","filing":"0001567619-19-021852","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000156761919021852/doc1.xml","form_type":"4"}},{"id":3366497,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Call Option (right to buy)","published_at":"2019-11-19T21:07:14.000Z","date":"2019-11-15","kind":"other","acquired":false,"shares":2332,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options purchased or sold by VSO II. These transactions represent (i) the exercise on November 15, 2019 of 2,205 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, (ii) the exercise on November 15, 2019 of 2,332 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, and (iii) the exercise on November 15, 2019 of 1,293 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II."},{"field":"kind","element":"transactionCoding","label":"F3","text":"(continued from footnote 2) VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II.  Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"These options were exercisable upon issuance."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options purchased or sold by VSO II. These transactions represent (i) the exercise on November 15, 2019 of 2,205 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, (ii) the exercise on November 15, 2019 of 2,332 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, and (iii) the exercise on November 15, 2019 of 1,293 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"(continued from footnote 2) VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II.  Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":0,"derivative":{"exercise_price":5,"expiration_date":"2019-11-15","underlying":"Common Stock","underlying_shares":233200},"source":{"system":"sec-edgar","filing":"0001567619-19-021852","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000156761919021852/doc1.xml","form_type":"4"}},{"id":3366496,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Call Option (right to buy)","published_at":"2019-11-19T21:07:14.000Z","date":"2019-11-15","kind":"other","acquired":false,"shares":2205,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options purchased or sold by VSO II. These transactions represent (i) the exercise on November 15, 2019 of 2,205 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, (ii) the exercise on November 15, 2019 of 2,332 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, and (iii) the exercise on November 15, 2019 of 1,293 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II."},{"field":"kind","element":"transactionCoding","label":"F3","text":"(continued from footnote 2) VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II.  Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"These options were exercisable upon issuance."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options purchased or sold by VSO II. These transactions represent (i) the exercise on November 15, 2019 of 2,205 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, (ii) the exercise on November 15, 2019 of 2,332 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, and (iii) the exercise on November 15, 2019 of 1,293 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"(continued from footnote 2) VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II.  Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":0,"derivative":{"exercise_price":2.5,"expiration_date":"2019-11-15","underlying":"Common Stock","underlying_shares":220500},"source":{"system":"sec-edgar","filing":"0001567619-19-021852","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000156761919021852/doc1.xml","form_type":"4"}},{"id":3366495,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2019-11-19T21:07:14.000Z","date":"2019-11-15","kind":"other","acquired":true,"shares":129300,"price":7.5,"value":969750.0,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options purchased or sold by VSO II. These transactions represent (i) the exercise on November 15, 2019 of 2,205 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, (ii) the exercise on November 15, 2019 of 2,332 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, and (iii) the exercise on November 15, 2019 of 1,293 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II."},{"field":"kind","element":"transactionCoding","label":"F3","text":"(continued from footnote 2) VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II.  Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options purchased or sold by VSO II. These transactions represent (i) the exercise on November 15, 2019 of 2,205 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, (ii) the exercise on November 15, 2019 of 2,332 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, and (iii) the exercise on November 15, 2019 of 1,293 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"(continued from footnote 2) VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II.  Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":2387898,"source":{"system":"sec-edgar","filing":"0001567619-19-021852","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000156761919021852/doc1.xml","form_type":"4"}},{"id":3366494,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2019-11-19T21:07:14.000Z","date":"2019-11-15","kind":"other","acquired":true,"shares":233200,"price":5,"value":1166000.0,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options purchased or sold by VSO II. These transactions represent (i) the exercise on November 15, 2019 of 2,205 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, (ii) the exercise on November 15, 2019 of 2,332 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, and (iii) the exercise on November 15, 2019 of 1,293 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II."},{"field":"kind","element":"transactionCoding","label":"F3","text":"(continued from footnote 2) VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II.  Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options purchased or sold by VSO II. These transactions represent (i) the exercise on November 15, 2019 of 2,205 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, (ii) the exercise on November 15, 2019 of 2,332 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, and (iii) the exercise on November 15, 2019 of 1,293 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"(continued from footnote 2) VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II.  Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":2258598,"source":{"system":"sec-edgar","filing":"0001567619-19-021852","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000156761919021852/doc1.xml","form_type":"4"}},{"id":3366493,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2019-11-19T21:07:14.000Z","date":"2019-11-15","kind":"other","acquired":true,"shares":220500,"price":2.5,"value":551250.0,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options purchased or sold by VSO II. These transactions represent (i) the exercise on November 15, 2019 of 2,205 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, (ii) the exercise on November 15, 2019 of 2,332 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, and (iii) the exercise on November 15, 2019 of 1,293 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II."},{"field":"kind","element":"transactionCoding","label":"F3","text":"(continued from footnote 2) VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II.  Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options purchased or sold by VSO II. These transactions represent (i) the exercise on November 15, 2019 of 2,205 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, (ii) the exercise on November 15, 2019 of 2,332 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, and (iii) the exercise on November 15, 2019 of 1,293 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"(continued from footnote 2) VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II.  Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":2025398,"source":{"system":"sec-edgar","filing":"0001567619-19-021852","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000156761919021852/doc1.xml","form_type":"4"}},{"id":3368337,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":4,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":5,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":6,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":7,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Call Option (Right to Buy)","published_at":"2019-11-18T16:27:25.000Z","date":"2019-11-15","kind":"other","acquired":false,"shares":1509,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Viex Opportunities Fund, LP - Series Two"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F9","text":"Shares of Common Stock of the Issuer beneficially owned directly by Series Two or options sold by Series Two. The transaction reported herein represents the exercise on November 15, 2019 of 1,509 call option contracts sold by Series Two, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such call options by Series Two. VIEX GP, as the general partner of Series Two, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series Two. VIEX Capital, as the investment manager of Series Two, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series Two. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series Two."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F12","text":"These options were exercisable when exercised."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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":"F10","text":"Securities of the Issuer beneficially owned directly by Series Two. VIEX GP, as the general partner of Series Two, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series Two. VIEX Capital, as the investment manager of Series Two, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series Two. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series Two."}],"balance_after":0,"derivative":{"exercise_price":2.5,"expiration_date":"2019-11-15","underlying":"Common Stock, par value $0.00001","underlying_shares":150900},"source":{"system":"sec-edgar","filing":"0001209191-19-056945","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000120919119056945/doc4.xml","form_type":"4"}},{"id":3368336,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":4,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":5,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":6,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":7,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Call Option (Right to Buy)","published_at":"2019-11-18T16:27:25.000Z","date":"2019-11-15","kind":"other","acquired":false,"shares":58,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Viex Special Opportunities Fund III, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F7","text":"Shares of Common Stock of the Issuer beneficially owned directly by VSO III or options sold by VSO III. The transactions reported herein represent the exercises on November 15, 2019 of (i) 2,105 call option contracts sold by VSO III, and (ii) 58 call option contracts sold by VSO III, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such call options by VSO III. VSO GP III, as the general partner of VSO III, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO III. VIEX Capital, as the investment manager of VSO III, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO III. Mr. Singer, as the managing member of each of VSO GP III and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO III."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F12","text":"These options were exercisable when exercised."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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 of the Issuer beneficially owned directly by VSO III. VSO GP III, as the general partner of VSO III, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO III. VIEX Capital, as the investment manager of VSO III, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO III. Mr. Singer, as the managing member of each of VSO GP III and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO III."}],"balance_after":0,"derivative":{"exercise_price":5,"expiration_date":"2019-11-15","underlying":"Common Stock, par value $0.00001","underlying_shares":5800},"source":{"system":"sec-edgar","filing":"0001209191-19-056945","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000120919119056945/doc4.xml","form_type":"4"}},{"id":3368335,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":4,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":5,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":6,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":7,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Call Option (Right to Buy)","published_at":"2019-11-18T16:27:25.000Z","date":"2019-11-15","kind":"other","acquired":false,"shares":2105,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Viex Special Opportunities Fund III, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F7","text":"Shares of Common Stock of the Issuer beneficially owned directly by VSO III or options sold by VSO III. The transactions reported herein represent the exercises on November 15, 2019 of (i) 2,105 call option contracts sold by VSO III, and (ii) 58 call option contracts sold by VSO III, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such call options by VSO III. VSO GP III, as the general partner of VSO III, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO III. VIEX Capital, as the investment manager of VSO III, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO III. Mr. Singer, as the managing member of each of VSO GP III and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO III."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F12","text":"These options were exercisable when exercised."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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 of the Issuer beneficially owned directly by VSO III. VSO GP III, as the general partner of VSO III, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO III. VIEX Capital, as the investment manager of VSO III, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO III. Mr. Singer, as the managing member of each of VSO GP III and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO III."}],"balance_after":0,"derivative":{"exercise_price":2.5,"expiration_date":"2019-11-15","underlying":"Common Stock, par value $0.00001","underlying_shares":210500},"source":{"system":"sec-edgar","filing":"0001209191-19-056945","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000120919119056945/doc4.xml","form_type":"4"}},{"id":3368334,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":4,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":5,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":6,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":7,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Call Option (Right to Buy)","published_at":"2019-11-18T16:27:25.000Z","date":"2019-11-15","kind":"other","acquired":false,"shares":1500,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Viex Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F6","text":"Shares of Common Stock of the Issuer beneficially owned directly by VSO II or options sold by VSO II. The transactions reported herein represent the exercises on November 15, 2019 of (i) 1,500 call option contracts sold by VSO II, and (ii) 59 call option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such call options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F12","text":"These options were exercisable when exercised."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":0,"derivative":{"exercise_price":2.5,"expiration_date":"2019-11-15","underlying":"Common Stock, par value $0.00001","underlying_shares":150000},"source":{"system":"sec-edgar","filing":"0001209191-19-056945","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000120919119056945/doc4.xml","form_type":"4"}},{"id":3368333,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":4,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":5,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":6,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":7,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Call Option (Right to Buy)","published_at":"2019-11-18T16:27:25.000Z","date":"2019-11-15","kind":"other","acquired":false,"shares":59,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Viex Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F6","text":"Shares of Common Stock of the Issuer beneficially owned directly by VSO II or options sold by VSO II. The transactions reported herein represent the exercises on November 15, 2019 of (i) 1,500 call option contracts sold by VSO II, and (ii) 59 call option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such call options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F12","text":"These options were exercisable when exercised."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":0,"derivative":{"exercise_price":5,"expiration_date":"2019-11-15","underlying":"Common Stock, par value $0.00001","underlying_shares":5900},"source":{"system":"sec-edgar","filing":"0001209191-19-056945","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000120919119056945/doc4.xml","form_type":"4"}},{"id":3368332,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":4,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":5,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":6,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":7,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Put Option (Obligation to Buy)","published_at":"2019-11-18T16:27:25.000Z","date":"2019-11-15","kind":"other","acquired":false,"shares":1328,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Viex Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"Shares of Common Stock of the Issuer beneficially owned directly by VSO II or options sold by VSO II. The transaction reported herein represent the exercise of 1,328 put option contracts on November 15, 2019 sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F12","text":"These options were exercisable when exercised."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":0,"derivative":{"exercise_price":7.5,"expiration_date":"2019-11-15","underlying":"Common Stock, par value $0.00001","underlying_shares":132800},"source":{"system":"sec-edgar","filing":"0001209191-19-056945","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000120919119056945/doc4.xml","form_type":"4"}},{"id":3368331,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":4,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":5,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":6,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":7,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Put Option (Obligation to Buy)","published_at":"2019-11-18T16:27:25.000Z","date":"2019-11-14","kind":"other","acquired":false,"shares":672,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Viex Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares of Common Stock of A10 Networks, Inc. (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II. The transaction reported herein represent the exercise of 672 put option contracts on November 14, 2019 sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F12","text":"These options were exercisable when exercised."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":1328,"derivative":{"exercise_price":7.5,"expiration_date":"2019-11-15","underlying":"Common Stock, par value $0.00001","underlying_shares":67200},"source":{"system":"sec-edgar","filing":"0001209191-19-056945","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000120919119056945/doc4.xml","form_type":"4"}},{"id":3368330,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":4,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":5,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":6,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":7,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.00001","published_at":"2019-11-18T16:27:25.000Z","date":"2019-11-15","kind":"other","acquired":true,"shares":150900,"price":2.5,"value":377250.0,"ownership":{"direct":false,"nature":"By Viex Opportunities Fund, LP - Series Two"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F9","text":"Shares of Common Stock of the Issuer beneficially owned directly by Series Two or options sold by Series Two. The transaction reported herein represents the exercise on November 15, 2019 of 1,509 call option contracts sold by Series Two, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such call options by Series Two. VIEX GP, as the general partner of Series Two, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series Two. VIEX Capital, as the investment manager of Series Two, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series Two. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series Two."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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":"F10","text":"Securities of the Issuer beneficially owned directly by Series Two. VIEX GP, as the general partner of Series Two, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series Two. VIEX Capital, as the investment manager of Series Two, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series Two. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by Series Two."}],"balance_after":482877,"source":{"system":"sec-edgar","filing":"0001209191-19-056945","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000120919119056945/doc4.xml","form_type":"4"}},{"id":3368329,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":4,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":5,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":6,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":7,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.00001","published_at":"2019-11-18T16:27:25.000Z","date":"2019-11-15","kind":"other","acquired":true,"shares":210500,"price":2.5,"value":526250.0,"ownership":{"direct":false,"nature":"By Viex Special Opportunities Fund III, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F7","text":"Shares of Common Stock of the Issuer beneficially owned directly by VSO III or options sold by VSO III. The transactions reported herein represent the exercises on November 15, 2019 of (i) 2,105 call option contracts sold by VSO III, and (ii) 58 call option contracts sold by VSO III, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such call options by VSO III. VSO GP III, as the general partner of VSO III, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO III. VIEX Capital, as the investment manager of VSO III, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO III. Mr. Singer, as the managing member of each of VSO GP III and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO III."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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 of the Issuer beneficially owned directly by VSO III. VSO GP III, as the general partner of VSO III, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO III. VIEX Capital, as the investment manager of VSO III, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO III. Mr. Singer, as the managing member of each of VSO GP III and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO III."}],"balance_after":487416,"source":{"system":"sec-edgar","filing":"0001209191-19-056945","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000120919119056945/doc4.xml","form_type":"4"}},{"id":3368328,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":4,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":5,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":6,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":7,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.0000","published_at":"2019-11-18T16:27:25.000Z","date":"2019-11-15","kind":"other","acquired":true,"shares":5800,"price":5,"value":29000.0,"ownership":{"direct":false,"nature":"By Viex Special Opportunities Fund III, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F7","text":"Shares of Common Stock of the Issuer beneficially owned directly by VSO III or options sold by VSO III. The transactions reported herein represent the exercises on November 15, 2019 of (i) 2,105 call option contracts sold by VSO III, and (ii) 58 call option contracts sold by VSO III, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such call options by VSO III. VSO GP III, as the general partner of VSO III, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO III. VIEX Capital, as the investment manager of VSO III, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO III. Mr. Singer, as the managing member of each of VSO GP III and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO III."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."}],"balance_after":276916,"source":{"system":"sec-edgar","filing":"0001209191-19-056945","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000120919119056945/doc4.xml","form_type":"4"}},{"id":3368327,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":4,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":5,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":6,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":7,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.00001","published_at":"2019-11-18T16:27:25.000Z","date":"2019-11-15","kind":"other","acquired":true,"shares":150000,"price":2.5,"value":375000.0,"ownership":{"direct":false,"nature":"By Viex Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F6","text":"Shares of Common Stock of the Issuer beneficially owned directly by VSO II or options sold by VSO II. The transactions reported herein represent the exercises on November 15, 2019 of (i) 1,500 call option contracts sold by VSO II, and (ii) 59 call option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such call options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":5255022,"source":{"system":"sec-edgar","filing":"0001209191-19-056945","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000120919119056945/doc4.xml","form_type":"4"}},{"id":3368326,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":4,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":5,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":6,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":7,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.00001","published_at":"2019-11-18T16:27:25.000Z","date":"2019-11-15","kind":"other","acquired":true,"shares":5900,"price":5,"value":29500.0,"ownership":{"direct":false,"nature":"By Viex Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F6","text":"Shares of Common Stock of the Issuer beneficially owned directly by VSO II or options sold by VSO II. The transactions reported herein represent the exercises on November 15, 2019 of (i) 1,500 call option contracts sold by VSO II, and (ii) 59 call option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such call options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":5105022,"source":{"system":"sec-edgar","filing":"0001209191-19-056945","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000120919119056945/doc4.xml","form_type":"4"}},{"id":3368325,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":4,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":5,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":6,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":7,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.00001","published_at":"2019-11-18T16:27:25.000Z","date":"2019-11-15","kind":"other","acquired":true,"shares":132800,"price":7.5,"value":996000.0,"ownership":{"direct":false,"nature":"By Viex Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"Shares of Common Stock of the Issuer beneficially owned directly by VSO II or options sold by VSO II. The transaction reported herein represent the exercise of 1,328 put option contracts on November 15, 2019 sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":5099122,"source":{"system":"sec-edgar","filing":"0001209191-19-056945","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000120919119056945/doc4.xml","form_type":"4"}},{"id":3368324,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":4,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":5,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":6,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":7,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.00001","published_at":"2019-11-18T16:27:25.000Z","date":"2019-11-14","kind":"other","acquired":true,"shares":67200,"price":7.5,"value":504000.0,"ownership":{"direct":false,"nature":"By Viex Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares of Common Stock of A10 Networks, Inc. (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II. The transaction reported herein represent the exercise of 672 put option contracts on November 14, 2019 sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":4966322,"source":{"system":"sec-edgar","filing":"0001209191-19-056945","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000120919119056945/doc4.xml","form_type":"4"}},{"id":3380667,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Put Option (obligation to buy)","published_at":"2019-11-05T22:10:23.000Z","date":"2019-11-01","kind":"other","acquired":false,"shares":3106,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"On November 1, 2019, VSO II acquired put options (the \"Long Puts\") to cover certain previously reported short put options referencing the common stock of Immersion Corporation (the \"Issuer\") written by VSO II prior to the Reporting Persons acquiring greater than 10% beneficial ownership of the Issuer's common stock (the \"Short Puts\") and becoming subject to the provisions of Section 16 of the Securities Exchange Act of 1934, as amended.  The purchase of Long Puts to cover the Short Puts resulted in the cancellation of both the Short Puts and the Long Puts."},{"field":"kind","element":"transactionCoding","label":"F3","text":"(continued from footnote 2) As the Short Puts were written prior to the Reporting Persons becoming subject to Section 16, their cancellation should not be subject to Section 16(b) pursuant to the court's reasoning in Roth v. Goldman Sachs Group, Inc., 740 F.3d 865 (2d Cir. 2014).  VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of securities of the Issuer beneficially owned by VSO II."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"On November 1, 2019, VSO II acquired put options (the \"Long Puts\") to cover certain previously reported short put options referencing the common stock of Immersion Corporation (the \"Issuer\") written by VSO II prior to the Reporting Persons acquiring greater than 10% beneficial ownership of the Issuer's common stock (the \"Short Puts\") and becoming subject to the provisions of Section 16 of the Securities Exchange Act of 1934, as amended.  The purchase of Long Puts to cover the Short Puts resulted in the cancellation of both the Short Puts and the Long Puts."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"(continued from footnote 2) As the Short Puts were written prior to the Reporting Persons becoming subject to Section 16, their cancellation should not be subject to Section 16(b) pursuant to the court's reasoning in Roth v. Goldman Sachs Group, Inc., 740 F.3d 865 (2d Cir. 2014).  VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of securities of the Issuer beneficially owned by VSO II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"These options were exercisable upon issuance."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"On November 1, 2019, VSO II acquired put options (the \"Long Puts\") to cover certain previously reported short put options referencing the common stock of Immersion Corporation (the \"Issuer\") written by VSO II prior to the Reporting Persons acquiring greater than 10% beneficial ownership of the Issuer's common stock (the \"Short Puts\") and becoming subject to the provisions of Section 16 of the Securities Exchange Act of 1934, as amended.  The purchase of Long Puts to cover the Short Puts resulted in the cancellation of both the Short Puts and the Long Puts."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"(continued from footnote 2) As the Short Puts were written prior to the Reporting Persons becoming subject to Section 16, their cancellation should not be subject to Section 16(b) pursuant to the court's reasoning in Roth v. Goldman Sachs Group, Inc., 740 F.3d 865 (2d Cir. 2014).  VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":0,"derivative":{"exercise_price":10,"expiration_date":"2019-11-15","underlying":"Common Stock","underlying_shares":310600},"source":{"system":"sec-edgar","filing":"0001567619-19-020453","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000156761919020453/doc1.xml","form_type":"4"}},{"id":3380666,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Put Option (right to sell)","published_at":"2019-11-05T22:10:23.000Z","date":"2019-11-01","kind":"other","acquired":true,"shares":3106,"price":1.9377,"value":6018.4962,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"On November 1, 2019, VSO II acquired put options (the \"Long Puts\") to cover certain previously reported short put options referencing the common stock of Immersion Corporation (the \"Issuer\") written by VSO II prior to the Reporting Persons acquiring greater than 10% beneficial ownership of the Issuer's common stock (the \"Short Puts\") and becoming subject to the provisions of Section 16 of the Securities Exchange Act of 1934, as amended.  The purchase of Long Puts to cover the Short Puts resulted in the cancellation of both the Short Puts and the Long Puts."},{"field":"kind","element":"transactionCoding","label":"F3","text":"(continued from footnote 2) As the Short Puts were written prior to the Reporting Persons becoming subject to Section 16, their cancellation should not be subject to Section 16(b) pursuant to the court's reasoning in Roth v. Goldman Sachs Group, Inc., 740 F.3d 865 (2d Cir. 2014).  VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of securities of the Issuer beneficially owned by VSO II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"These options were exercisable upon issuance."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"On November 1, 2019, VSO II acquired put options (the \"Long Puts\") to cover certain previously reported short put options referencing the common stock of Immersion Corporation (the \"Issuer\") written by VSO II prior to the Reporting Persons acquiring greater than 10% beneficial ownership of the Issuer's common stock (the \"Short Puts\") and becoming subject to the provisions of Section 16 of the Securities Exchange Act of 1934, as amended.  The purchase of Long Puts to cover the Short Puts resulted in the cancellation of both the Short Puts and the Long Puts."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continued from footnote 2) As the Short Puts were written prior to the Reporting Persons becoming subject to Section 16, their cancellation should not be subject to Section 16(b) pursuant to the court's reasoning in Roth v. Goldman Sachs Group, Inc., 740 F.3d 865 (2d Cir. 2014).  VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"On November 1, 2019, VSO II acquired put options (the \"Long Puts\") to cover certain previously reported short put options referencing the common stock of Immersion Corporation (the \"Issuer\") written by VSO II prior to the Reporting Persons acquiring greater than 10% beneficial ownership of the Issuer's common stock (the \"Short Puts\") and becoming subject to the provisions of Section 16 of the Securities Exchange Act of 1934, as amended.  The purchase of Long Puts to cover the Short Puts resulted in the cancellation of both the Short Puts and the Long Puts."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"(continued from footnote 2) As the Short Puts were written prior to the Reporting Persons becoming subject to Section 16, their cancellation should not be subject to Section 16(b) pursuant to the court's reasoning in Roth v. Goldman Sachs Group, Inc., 740 F.3d 865 (2d Cir. 2014).  VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":0,"derivative":{"exercise_price":10,"expiration_date":"2019-11-15","underlying":"Common Stock","underlying_shares":310600},"source":{"system":"sec-edgar","filing":"0001567619-19-020453","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000156761919020453/doc1.xml","form_type":"4"}},{"id":3434930,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Put Option (obligation to buy)","published_at":"2019-08-19T20:52:40.000Z","date":"2019-08-16","kind":"other","acquired":false,"shares":584,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  These transactions represent the exercise on August 16, 2019 of 1,544 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, and the exercise on August 16, 2019 of 584 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"kind","element":"transactionCoding","label":"F3","text":"(continued from footnote 2) Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"These options were presently exercisable."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  These transactions represent the exercise on August 16, 2019 of 1,544 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, and the exercise on August 16, 2019 of 584 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"(continued from footnote 2) Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Each Reporting Person disclaims beneficial ownership of the shares of Common Stock of the Issuer 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."}],"balance_after":0,"derivative":{"exercise_price":10,"expiration_date":"2019-08-16","underlying":"Common Stock","underlying_shares":58400},"source":{"system":"sec-edgar","filing":"0001567619-19-017292","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000156761919017292/doc1.xml","form_type":"4"}},{"id":3434929,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Call Option (right to buy)","published_at":"2019-08-19T20:52:40.000Z","date":"2019-08-16","kind":"other","acquired":false,"shares":628,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By VIEX Opportunities Fund, LP - Series One"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Shares of Common Stock of the Issuer beneficially owned directly by Series One. These transactions represent the exercise on August 16, 2019 of 628 call option contracts by Series One, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by Series One.  VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One."},{"field":"kind","element":"transactionCoding","label":"F5","text":"(continued from footnote 4) The Issuer Common Stock holding for Series One reported in the Forms 4 filed on August 6, 2019, and August 8, 2019 should have reflected 1,295,134 shares of Issuer Common Stock as previously reported."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"These options were presently exercisable."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Shares of Common Stock of the Issuer beneficially owned directly by Series One. These transactions represent the exercise on August 16, 2019 of 628 call option contracts by Series One, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by Series One.  VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"(continued from footnote 4) The Issuer Common Stock holding for Series One reported in the Forms 4 filed on August 6, 2019, and August 8, 2019 should have reflected 1,295,134 shares of Issuer Common Stock as previously reported."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Each Reporting Person disclaims beneficial ownership of the shares of Common Stock of the Issuer 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."}],"balance_after":0,"derivative":{"exercise_price":5,"expiration_date":"2019-08-16","underlying":"Common Stock","underlying_shares":62800},"source":{"system":"sec-edgar","filing":"0001567619-19-017292","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000156761919017292/doc1.xml","form_type":"4"}},{"id":3434928,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Call Option (right to buy)","published_at":"2019-08-19T20:52:40.000Z","date":"2019-08-16","kind":"other","acquired":false,"shares":1544,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  These transactions represent the exercise on August 16, 2019 of 1,544 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, and the exercise on August 16, 2019 of 584 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"kind","element":"transactionCoding","label":"F3","text":"(continued from footnote 2) Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"These options were presently exercisable."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  These transactions represent the exercise on August 16, 2019 of 1,544 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, and the exercise on August 16, 2019 of 584 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"(continued from footnote 2) Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Each Reporting Person disclaims beneficial ownership of the shares of Common Stock of the Issuer 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."}],"balance_after":0,"derivative":{"exercise_price":5,"expiration_date":"2019-08-16","underlying":"Common Stock","underlying_shares":154400},"source":{"system":"sec-edgar","filing":"0001567619-19-017292","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000156761919017292/doc1.xml","form_type":"4"}},{"id":3434927,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2019-08-19T20:52:40.000Z","date":"2019-08-16","kind":"other","acquired":true,"shares":58400,"price":10,"value":584000.0,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  These transactions represent the exercise on August 16, 2019 of 1,544 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, and the exercise on August 16, 2019 of 584 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"kind","element":"transactionCoding","label":"F3","text":"(continued from footnote 2) Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  These transactions represent the exercise on August 16, 2019 of 1,544 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, and the exercise on August 16, 2019 of 584 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"(continued from footnote 2) Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Each Reporting Person disclaims beneficial ownership of the shares of Common Stock of the Issuer 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."}],"balance_after":1804898,"source":{"system":"sec-edgar","filing":"0001567619-19-017292","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000156761919017292/doc1.xml","form_type":"4"}},{"id":3434926,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2019-08-19T20:52:40.000Z","date":"2019-08-16","kind":"other","acquired":true,"shares":62800,"price":5,"value":314000.0,"ownership":{"direct":false,"nature":"By VIEX Opportunities Fund, LP - Series One"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Shares of Common Stock of the Issuer beneficially owned directly by Series One. These transactions represent the exercise on August 16, 2019 of 628 call option contracts by Series One, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by Series One.  VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One."},{"field":"kind","element":"transactionCoding","label":"F5","text":"(continued from footnote 4) The Issuer Common Stock holding for Series One reported in the Forms 4 filed on August 6, 2019, and August 8, 2019 should have reflected 1,295,134 shares of Issuer Common Stock as previously reported."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Shares of Common Stock of the Issuer beneficially owned directly by Series One. These transactions represent the exercise on August 16, 2019 of 628 call option contracts by Series One, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by Series One.  VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"(continued from footnote 4) The Issuer Common Stock holding for Series One reported in the Forms 4 filed on August 6, 2019, and August 8, 2019 should have reflected 1,295,134 shares of Issuer Common Stock as previously reported."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Shares of Common Stock of the Issuer beneficially owned directly by Series One. These transactions represent the exercise on August 16, 2019 of 628 call option contracts by Series One, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by Series One.  VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"(continued from footnote 4) The Issuer Common Stock holding for Series One reported in the Forms 4 filed on August 6, 2019, and August 8, 2019 should have reflected 1,295,134 shares of Issuer Common Stock as previously reported."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Each Reporting Person disclaims beneficial ownership of the shares of Common Stock of the Issuer 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."}],"balance_after":1357934,"source":{"system":"sec-edgar","filing":"0001567619-19-017292","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000156761919017292/doc1.xml","form_type":"4"}},{"id":3434925,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2019-08-19T20:52:40.000Z","date":"2019-08-16","kind":"other","acquired":true,"shares":154000,"price":5,"value":770000.0,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  These transactions represent the exercise on August 16, 2019 of 1,544 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, and the exercise on August 16, 2019 of 584 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"kind","element":"transactionCoding","label":"F3","text":"(continued from footnote 2) Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  These transactions represent the exercise on August 16, 2019 of 1,544 call option contracts by VSO II, each contract representing 100 shares of Issuer Common Stock, and the acquisition of the shares underlying such call options by VSO II, and the exercise on August 16, 2019 of 584 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"(continued from footnote 2) Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Each Reporting Person disclaims beneficial ownership of the shares of Common Stock of the Issuer 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."}],"balance_after":1746498,"source":{"system":"sec-edgar","filing":"0001567619-19-017292","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000156761919017292/doc1.xml","form_type":"4"}},{"id":3434584,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":4,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":5,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":6,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":7,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Put Option (Obligation to Buy)","published_at":"2019-08-19T17:31:25.000Z","date":"2019-08-16","kind":"other","acquired":false,"shares":1117,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Viex Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F9","text":"Put options expired on August 16, 2019."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"Put options expired on August 16, 2019."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":0,"derivative":{"exercise_price":5,"expiration_date":"2019-08-16","underlying":"Common Stock, par value $0.00001","underlying_shares":111700},"source":{"system":"sec-edgar","filing":"0001209191-19-046654","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000120919119046654/doc4.xml","form_type":"4"}},{"id":3434583,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":4,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":5,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":6,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":7,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Put Option (Obligation to Buy)","published_at":"2019-08-19T17:31:25.000Z","date":"2019-08-16","kind":"other","acquired":false,"shares":11048,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Viex Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares of Common Stock of A10 Networks, Inc. (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II. The transaction reported herein represent the exercise of 11,048 put option contracts on August 16, 2019 sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"These options are currently exercisable."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":0,"derivative":{"exercise_price":7.5,"expiration_date":"2019-08-16","underlying":"Common Stock, par value $0.00001","underlying_shares":1104800},"source":{"system":"sec-edgar","filing":"0001209191-19-046654","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000120919119046654/doc4.xml","form_type":"4"}},{"id":3434582,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":4,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":5,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":6,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":7,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.00001","published_at":"2019-08-19T17:31:25.000Z","date":"2019-08-16","kind":"other","acquired":true,"shares":1104800,"price":7.5,"value":8286000.0,"ownership":{"direct":false,"nature":"By Viex Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares of Common Stock of A10 Networks, Inc. (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II. The transaction reported herein represent the exercise of 11,048 put option contracts on August 16, 2019 sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":4899122,"source":{"system":"sec-edgar","filing":"0001209191-19-046654","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000120919119046654/doc4.xml","form_type":"4"}},{"id":3436214,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":4,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":5,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":6,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":7,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Put Option (Obligation to Buy)","published_at":"2019-08-16T18:10:11.000Z","date":"2019-08-15","kind":"other","acquired":false,"shares":2179,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Viex Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares of Common Stock of A10 Networks, Inc. (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II. The transactions reported herein represent the exercises of (i) 452 put option contracts on August 14, 2019 and (ii) 2,179 put option contracts on August 15, 2019 sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"These options are currently exercisable."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":11048,"derivative":{"exercise_price":7.5,"expiration_date":"2019-08-16","underlying":"Common Stock, par value $0.00001","underlying_shares":217900},"source":{"system":"sec-edgar","filing":"0001209191-19-046403","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000120919119046403/doc4.xml","form_type":"4"}},{"id":3436213,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":4,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":5,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":6,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":7,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Put Option (Obligation to Buy)","published_at":"2019-08-16T18:10:11.000Z","date":"2019-08-14","kind":"other","acquired":false,"shares":452,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Viex Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares of Common Stock of A10 Networks, Inc. (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II. The transactions reported herein represent the exercises of (i) 452 put option contracts on August 14, 2019 and (ii) 2,179 put option contracts on August 15, 2019 sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"These options are currently exercisable."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":13227,"derivative":{"exercise_price":7.5,"expiration_date":"2019-08-16","underlying":"Common Stock, par value $0.00001","underlying_shares":45200},"source":{"system":"sec-edgar","filing":"0001209191-19-046403","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000120919119046403/doc4.xml","form_type":"4"}},{"id":3436212,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":4,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":5,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":6,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":7,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.00001","published_at":"2019-08-16T18:10:11.000Z","date":"2019-08-15","kind":"other","acquired":true,"shares":217900,"price":7.5,"value":1634250.0,"ownership":{"direct":false,"nature":"By Viex Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares of Common Stock of A10 Networks, Inc. (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II. The transactions reported herein represent the exercises of (i) 452 put option contracts on August 14, 2019 and (ii) 2,179 put option contracts on August 15, 2019 sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":3794322,"source":{"system":"sec-edgar","filing":"0001209191-19-046403","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000120919119046403/doc4.xml","form_type":"4"}},{"id":3436211,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":4,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":5,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":6,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":7,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.00001","published_at":"2019-08-16T18:10:11.000Z","date":"2019-08-14","kind":"other","acquired":true,"shares":45200,"price":7.5,"value":339000.0,"ownership":{"direct":false,"nature":"By Viex Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares of Common Stock of A10 Networks, Inc. (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II. The transactions reported herein represent the exercises of (i) 452 put option contracts on August 14, 2019 and (ii) 2,179 put option contracts on August 15, 2019 sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the securities of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the securities of the Issuer 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."}],"balance_after":3576422,"source":{"system":"sec-edgar","filing":"0001209191-19-046403","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000120919119046403/doc4.xml","form_type":"4"}},{"id":3443803,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Put Option (obligation to buy)","published_at":"2019-08-08T19:55:07.000Z","date":"2019-08-07","kind":"other","acquired":false,"shares":125,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  The transactions reported herein represent the exercise on July 18, 2019 of 25 put option contracts sold by VSO II, the exercise on August 6, 2019 of 191 put option contracts sold by VSO II and the exercise on August 7, 2019 of 125 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"kind","element":"transactionCoding","label":"F3","text":"(continued from footnote 2) Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"These options are currently exercisable."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F8","text":"The amount reported in Column 9 of Table II following the July 18, 2019 exercise of put options reflects the number of put option contracts outstanding following such exercise.  The amounts reported in Column 9 of Table II following the August 6, 2019 and August 7, 2019 exercises of put options reflect the number of put option contracts outstanding following such exercises, taking into account the transactions reported on the Form 4 filed on August 6, 2019."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  The transactions reported herein represent the exercise on July 18, 2019 of 25 put option contracts sold by VSO II, the exercise on August 6, 2019 of 191 put option contracts sold by VSO II and the exercise on August 7, 2019 of 125 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"(continued from footnote 2) Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Each Reporting Person disclaims beneficial ownership of the shares of Common Stock of the Issuer 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."}],"balance_after":584,"derivative":{"exercise_price":10,"expiration_date":"2019-08-16","underlying":"Common Stock","underlying_shares":12500},"source":{"system":"sec-edgar","filing":"0000899243-19-021348","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000089924319021348/doc4.xml","form_type":"4"}},{"id":3443802,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Put Option (obligation to buy)","published_at":"2019-08-08T19:55:07.000Z","date":"2019-08-06","kind":"other","acquired":false,"shares":191,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  The transactions reported herein represent the exercise on July 18, 2019 of 25 put option contracts sold by VSO II, the exercise on August 6, 2019 of 191 put option contracts sold by VSO II and the exercise on August 7, 2019 of 125 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"kind","element":"transactionCoding","label":"F3","text":"(continued from footnote 2) Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"These options are currently exercisable."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F8","text":"The amount reported in Column 9 of Table II following the July 18, 2019 exercise of put options reflects the number of put option contracts outstanding following such exercise.  The amounts reported in Column 9 of Table II following the August 6, 2019 and August 7, 2019 exercises of put options reflect the number of put option contracts outstanding following such exercises, taking into account the transactions reported on the Form 4 filed on August 6, 2019."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  The transactions reported herein represent the exercise on July 18, 2019 of 25 put option contracts sold by VSO II, the exercise on August 6, 2019 of 191 put option contracts sold by VSO II and the exercise on August 7, 2019 of 125 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"(continued from footnote 2) Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Each Reporting Person disclaims beneficial ownership of the shares of Common Stock of the Issuer 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."}],"balance_after":709,"derivative":{"exercise_price":10,"expiration_date":"2019-08-16","underlying":"Common Stock","underlying_shares":19100},"source":{"system":"sec-edgar","filing":"0000899243-19-021348","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000089924319021348/doc4.xml","form_type":"4"}},{"id":3443801,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Put Option (obligation to buy)","published_at":"2019-08-08T19:55:07.000Z","date":"2019-07-18","kind":"other","acquired":false,"shares":25,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  The transactions reported herein represent the exercise on July 18, 2019 of 25 put option contracts sold by VSO II, the exercise on August 6, 2019 of 191 put option contracts sold by VSO II and the exercise on August 7, 2019 of 125 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"kind","element":"transactionCoding","label":"F3","text":"(continued from footnote 2) Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"These options are currently exercisable."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F8","text":"The amount reported in Column 9 of Table II following the July 18, 2019 exercise of put options reflects the number of put option contracts outstanding following such exercise.  The amounts reported in Column 9 of Table II following the August 6, 2019 and August 7, 2019 exercises of put options reflect the number of put option contracts outstanding following such exercises, taking into account the transactions reported on the Form 4 filed on August 6, 2019."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  The transactions reported herein represent the exercise on July 18, 2019 of 25 put option contracts sold by VSO II, the exercise on August 6, 2019 of 191 put option contracts sold by VSO II and the exercise on August 7, 2019 of 125 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"(continued from footnote 2) Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Each Reporting Person disclaims beneficial ownership of the shares of Common Stock of the Issuer 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."}],"balance_after":975,"derivative":{"exercise_price":10,"expiration_date":"2019-08-16","underlying":"Common Stock","underlying_shares":2500},"source":{"system":"sec-edgar","filing":"0000899243-19-021348","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000089924319021348/doc4.xml","form_type":"4"}},{"id":3443800,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2019-08-08T19:55:07.000Z","date":"2019-08-07","kind":"other","acquired":true,"shares":12500,"price":10,"value":125000.0,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  The transactions reported herein represent the exercise on July 18, 2019 of 25 put option contracts sold by VSO II, the exercise on August 6, 2019 of 191 put option contracts sold by VSO II and the exercise on August 7, 2019 of 125 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"kind","element":"transactionCoding","label":"F3","text":"(continued from footnote 2) Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"The amount reported in Column 5 of Table I following the July 18, 2019 exercise of put options reflects the amount beneficially owned following that transaction.  The amounts reported in Column 5 of Table I following the August 6, 2019 and August 7, 2019 exercises of put options reflect the amounts beneficially owned following those transactions and take into account the transactions reported on the Form 4 filed on August 6, 2019."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  The transactions reported herein represent the exercise on July 18, 2019 of 25 put option contracts sold by VSO II, the exercise on August 6, 2019 of 191 put option contracts sold by VSO II and the exercise on August 7, 2019 of 125 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"(continued from footnote 2) Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Each Reporting Person disclaims beneficial ownership of the shares of Common Stock of the Issuer 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."}],"balance_after":1592098,"source":{"system":"sec-edgar","filing":"0000899243-19-021348","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000089924319021348/doc4.xml","form_type":"4"}},{"id":3443799,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2019-08-08T19:55:07.000Z","date":"2019-08-06","kind":"other","acquired":true,"shares":19100,"price":10,"value":191000.0,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  The transactions reported herein represent the exercise on July 18, 2019 of 25 put option contracts sold by VSO II, the exercise on August 6, 2019 of 191 put option contracts sold by VSO II and the exercise on August 7, 2019 of 125 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"kind","element":"transactionCoding","label":"F3","text":"(continued from footnote 2) Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"The amount reported in Column 5 of Table I following the July 18, 2019 exercise of put options reflects the amount beneficially owned following that transaction.  The amounts reported in Column 5 of Table I following the August 6, 2019 and August 7, 2019 exercises of put options reflect the amounts beneficially owned following those transactions and take into account the transactions reported on the Form 4 filed on August 6, 2019."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  The transactions reported herein represent the exercise on July 18, 2019 of 25 put option contracts sold by VSO II, the exercise on August 6, 2019 of 191 put option contracts sold by VSO II and the exercise on August 7, 2019 of 125 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"(continued from footnote 2) Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Each Reporting Person disclaims beneficial ownership of the shares of Common Stock of the Issuer 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."}],"balance_after":1579598,"source":{"system":"sec-edgar","filing":"0000899243-19-021348","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000089924319021348/doc4.xml","form_type":"4"}},{"id":3443798,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2019-08-08T19:55:07.000Z","date":"2019-07-18","kind":"other","acquired":true,"shares":2500,"price":10,"value":25000.0,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  The transactions reported herein represent the exercise on July 18, 2019 of 25 put option contracts sold by VSO II, the exercise on August 6, 2019 of 191 put option contracts sold by VSO II and the exercise on August 7, 2019 of 125 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"kind","element":"transactionCoding","label":"F3","text":"(continued from footnote 2) Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"The amount reported in Column 5 of Table I following the July 18, 2019 exercise of put options reflects the amount beneficially owned following that transaction.  The amounts reported in Column 5 of Table I following the August 6, 2019 and August 7, 2019 exercises of put options reflect the amounts beneficially owned following those transactions and take into account the transactions reported on the Form 4 filed on August 6, 2019."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  The transactions reported herein represent the exercise on July 18, 2019 of 25 put option contracts sold by VSO II, the exercise on August 6, 2019 of 191 put option contracts sold by VSO II and the exercise on August 7, 2019 of 125 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"(continued from footnote 2) Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Each Reporting Person disclaims beneficial ownership of the shares of Common Stock of the Issuer 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."}],"balance_after":1552998,"source":{"system":"sec-edgar","filing":"0000899243-19-021348","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000089924319021348/doc4.xml","form_type":"4"}},{"id":3446023,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Put Option (obligation to buy)","published_at":"2019-08-06T17:01:29.000Z","date":"2019-08-05","kind":"other","acquired":false,"shares":25,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  The transactions reported herein represent the exercise on August 2, 2019 of 50 put option contracts sold by VSO II and the exercise on August 5, 2019 of 25 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty to such contracts and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"These options are currently exercisable."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  The transactions reported herein represent the exercise on August 2, 2019 of 50 put option contracts sold by VSO II and the exercise on August 5, 2019 of 25 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty to such contracts and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the shares of Common Stock of the Issuer 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."}],"balance_after":925,"derivative":{"exercise_price":10,"expiration_date":"2019-08-16","underlying":"Common Stock","underlying_shares":2500},"source":{"system":"sec-edgar","filing":"0000899243-19-021088","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000089924319021088/doc4.xml","form_type":"4"}},{"id":3446022,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Put Option (obligation to buy)","published_at":"2019-08-06T17:01:29.000Z","date":"2019-08-02","kind":"other","acquired":false,"shares":50,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  The transactions reported herein represent the exercise on August 2, 2019 of 50 put option contracts sold by VSO II and the exercise on August 5, 2019 of 25 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty to such contracts and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"These options are currently exercisable."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  The transactions reported herein represent the exercise on August 2, 2019 of 50 put option contracts sold by VSO II and the exercise on August 5, 2019 of 25 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty to such contracts and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the shares of Common Stock of the Issuer 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."}],"balance_after":950,"derivative":{"exercise_price":10,"expiration_date":"2019-08-16","underlying":"Common Stock","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0000899243-19-021088","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000089924319021088/doc4.xml","form_type":"4"}},{"id":3446021,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2019-08-06T17:01:29.000Z","date":"2019-08-05","kind":"other","acquired":true,"shares":2500,"price":10,"value":25000.0,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  The transactions reported herein represent the exercise on August 2, 2019 of 50 put option contracts sold by VSO II and the exercise on August 5, 2019 of 25 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty to such contracts and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  The transactions reported herein represent the exercise on August 2, 2019 of 50 put option contracts sold by VSO II and the exercise on August 5, 2019 of 25 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty to such contracts and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the shares of Common Stock of the Issuer 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."}],"balance_after":1557998,"source":{"system":"sec-edgar","filing":"0000899243-19-021088","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000089924319021088/doc4.xml","form_type":"4"}},{"id":3446020,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2019-08-06T17:01:29.000Z","date":"2019-08-02","kind":"other","acquired":true,"shares":5000,"price":10,"value":50000.0,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  The transactions reported herein represent the exercise on August 2, 2019 of 50 put option contracts sold by VSO II and the exercise on August 5, 2019 of 25 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty to such contracts and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by VSO II or options sold by VSO II.  The transactions reported herein represent the exercise on August 2, 2019 of 50 put option contracts sold by VSO II and the exercise on August 5, 2019 of 25 put option contracts sold by VSO II, each contract representing 100 shares of Issuer Common Stock, by the counterparty to such contracts and the acquisition of the shares underlying such put options by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the shares of Common Stock of the Issuer 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."}],"balance_after":1555498,"source":{"system":"sec-edgar","filing":"0000899243-19-021088","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000089924319021088/doc4.xml","form_type":"4"}},{"id":3453272,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP - Series Two","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":5,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":6,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":7,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":8,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":9,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock, par value $0.00001","published_at":"2019-07-30T17:02:35.000Z","date":"2019-07-26","kind":"grant","acquired":true,"shares":30120,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Each share is represented by a restricted stock unit, which vests in three equal annual installments on the anniversary of the grant date of 07/26/2019, provided that the Reporting Person continues to serve through each vesting date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), Viex Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), Viex Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."}],"balance_after":30120,"source":{"system":"sec-edgar","filing":"0000921895-19-002071","document":"form410114025_07302019.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1658891/000092189519002071/form410114025_07302019.xml","form_type":"4"}},{"id":3483019,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2019-06-20T13:00:15.000Z","date":"2019-06-19","kind":"purchase","acquired":true,"shares":54487,"price":7.55,"value":411376.85,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares of Common Stock of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the shares of Common Stock of the Issuer 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."}],"balance_after":1550498,"source":{"system":"sec-edgar","filing":"0000899243-19-017553","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000089924319017553/doc4.xml","form_type":"4"}},{"id":3483018,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2019-06-20T13:00:15.000Z","date":"2019-06-19","kind":"purchase","acquired":true,"shares":40865,"price":7.6,"value":310574.0,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares of Common Stock of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the shares of Common Stock of the Issuer 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."}],"balance_after":1496011,"source":{"system":"sec-edgar","filing":"0000899243-19-017553","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000089924319017553/doc4.xml","form_type":"4"}},{"id":3483017,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2019-06-20T13:00:15.000Z","date":"2019-06-19","kind":"purchase","acquired":true,"shares":45513,"price":7.55,"value":343623.15,"ownership":{"direct":false,"nature":"By VIEX Opportunities Fund, LP - Series One"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by Series One. VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the shares of Common Stock of the Issuer 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."}],"balance_after":1295134,"source":{"system":"sec-edgar","filing":"0000899243-19-017553","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000089924319017553/doc4.xml","form_type":"4"}},{"id":3483016,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2019-06-20T13:00:15.000Z","date":"2019-06-19","kind":"purchase","acquired":true,"shares":34135,"price":7.6,"value":259426.0,"ownership":{"direct":false,"nature":"By VIEX Opportunities Fund, LP - Series One"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares of Common Stock of Immersion Corporation (the \"Issuer\") beneficially owned directly by Series One. VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each Reporting Person disclaims beneficial ownership of the shares of Common Stock of the Issuer 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."}],"balance_after":1249621,"source":{"system":"sec-edgar","filing":"0000899243-19-017553","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000089924319017553/doc4.xml","form_type":"4"}},{"id":3484918,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2019-06-19T13:00:18.000Z","date":"2019-06-18","kind":"purchase","acquired":true,"shares":51377,"price":7.6042,"value":390680.9834,"ownership":{"direct":false,"nature":"By VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $7.50 to $7.70, inclusive. The Reporting Persons undertake to provide to Immersion Corporation (the \"Issuer\"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Shares of Common Stock of the Issuer beneficially owned directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II. Mr. Singer, as the managing member of each of VSO GP II and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by VSO II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Each Reporting Person disclaims beneficial ownership of the shares of Common Stock of the Issuer 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."}],"balance_after":1455146,"source":{"system":"sec-edgar","filing":"0000899243-19-017361","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000089924319017361/doc4.xml","form_type":"4"}},{"id":3484917,"issuer":{"id":6143,"kind":"organization","name":"IMMERSION CORP","symbol":"IMMR"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":3,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":4,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":5,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, $0.001 par value","published_at":"2019-06-19T13:00:18.000Z","date":"2019-06-18","kind":"purchase","acquired":true,"shares":42915,"price":7.6042,"value":326334.243,"ownership":{"direct":false,"nature":"By VIEX Opportunities Fund, LP - Series One"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $7.50 to $7.70, inclusive. The Reporting Persons undertake to provide to Immersion Corporation (the \"Issuer\"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP, VIEX Special Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares of Common Stock of the Issuer beneficially owned directly by Series One. VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock of the Issuer beneficially owned by Series One."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Each Reporting Person disclaims beneficial ownership of the shares of Common Stock of the Issuer 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."}],"balance_after":1215486,"source":{"system":"sec-edgar","filing":"0000899243-19-017361","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1058811/000089924319017361/doc4.xml","form_type":"4"}},{"id":4138355,"issuer":{"id":109346,"kind":"organization","name":"SEACHANGE INTERNATIONAL INC","symbol":"SEAC"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":3,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":4,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":5,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}}],"security":"Common Stock, $0.01 par value","published_at":"2017-12-08T18:30:50.000Z","date":"2017-12-07","kind":"sale","acquired":false,"shares":205209,"price":3.5048,"value":719216.5032,"ownership":{"direct":false,"nature":"By: VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP (\"VIEX Opportunities\"), VIEXSpecial Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEXCapital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"The Reporting Persons are filing this report because each of the Reporting Persons is a member of a Section 13(d) group, disclosed in a Schedule 13D filed on behalf of the Reporting Persons, as it may be amended, which beneficially owns 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 directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock beneficially owned by VSO II. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock beneficially owned by VSO II."}],"balance_after":1603783,"source":{"system":"sec-edgar","filing":"0000921895-17-002829","document":"form410114019_12082017.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1019671/000092189517002829/form410114019_12082017.xml","form_type":"4"}},{"id":4138354,"issuer":{"id":109346,"kind":"organization","name":"SEACHANGE INTERNATIONAL INC","symbol":"SEAC"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":3,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":4,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":5,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}}],"security":"Common Stock, $0.01 par value","published_at":"2017-12-08T18:30:50.000Z","date":"2017-12-07","kind":"sale","acquired":false,"shares":117183,"price":3.4968,"value":409765.5144,"ownership":{"direct":false,"nature":"By: VIEX Special Opportunities Fund II, LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP (\"VIEX Opportunities\"), VIEXSpecial Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEXCapital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"The Reporting Persons are filing this report because each of the Reporting Persons is a member of a Section 13(d) group, disclosed in a Schedule 13D filed on behalf of the Reporting Persons, as it may be amended, which beneficially owns 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 directly by VSO II. VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the shares of Common Stock beneficially owned by VSO II. VIEX Capital, as the investment manager of VSO II, may be deemed the beneficial owner of the shares of Common Stock beneficially owned by VSO II. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock beneficially owned by VSO II."}],"balance_after":1808992,"source":{"system":"sec-edgar","filing":"0000921895-17-002829","document":"form410114019_12082017.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1019671/000092189517002829/form410114019_12082017.xml","form_type":"4"}},{"id":4138353,"issuer":{"id":109346,"kind":"organization","name":"SEACHANGE INTERNATIONAL INC","symbol":"SEAC"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":3,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":4,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":5,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}}],"security":"Common Stock, $0.01 par value","published_at":"2017-12-08T18:30:50.000Z","date":"2017-12-07","kind":"sale","acquired":false,"shares":207724,"price":3.5048,"value":728031.0752,"ownership":{"direct":false,"nature":"By: VIEX Opportunities Fund, LP - Series One"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP (\"VIEX Opportunities\"), VIEXSpecial Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEXCapital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"The Reporting Persons are filing this report because each of the Reporting Persons is a member of a Section 13(d) group, disclosed in a Schedule 13D filed on behalf of the Reporting Persons, as it may be amended, which beneficially owns 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 directly by Series One. VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the shares of Common Stock beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the shares of Common Stock beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock beneficially owned by Series One."}],"balance_after":1623438,"source":{"system":"sec-edgar","filing":"0000921895-17-002829","document":"form410114019_12082017.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1019671/000092189517002829/form410114019_12082017.xml","form_type":"4"}},{"id":4138352,"issuer":{"id":109346,"kind":"organization","name":"SEACHANGE INTERNATIONAL INC","symbol":"SEAC"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}},{"id":132857,"kind":"organization","name":"VIEX Special Opportunities Fund II, LP","position":3,"cik":"0001619127","reported_name":"VIEX Special Opportunities Fund II, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}},{"id":141446,"kind":"organization","name":"VIEX Special Opportunities GP II, LLC","position":4,"cik":"0001658891","reported_name":"VIEX Special Opportunities GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":5,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":6,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Passive Investor"}}],"security":"Common Stock, $0.01 par value","published_at":"2017-12-08T18:30:50.000Z","date":"2017-12-07","kind":"sale","acquired":false,"shares":118619,"price":3.4968,"value":414786.9192,"ownership":{"direct":false,"nature":"By: VIEX Opportunities Fund, LP - Series One"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP (\"VIEX Opportunities\"), VIEXSpecial Opportunities Fund II, LP (\"VSO II\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP II, LLC (\"VSO GP II\"), VIEX Capital Advisors, LLC (\"VIEXCapital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"The Reporting Persons are filing this report because each of the Reporting Persons is a member of a Section 13(d) group, disclosed in a Schedule 13D filed on behalf of the Reporting Persons, as it may be amended, which beneficially owns 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 directly by Series One. VIEX GP, as the general partner of Series One, may be deemed the beneficial owner of the shares of Common Stock beneficially owned by Series One. VIEX Capital, as the investment manager of Series One, may be deemed the beneficial owner of the shares of Common Stock beneficially owned by Series One. Mr. Singer, as the managing member of each of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the shares of Common Stock beneficially owned by Series One."}],"balance_after":1831162,"source":{"system":"sec-edgar","filing":"0000921895-17-002829","document":"form410114019_12082017.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1019671/000092189517002829/form410114019_12082017.xml","form_type":"4"}},{"id":4145302,"issuer":{"id":4987,"kind":"organization","name":"QUANTUM CORP /DE/","symbol":"QMCO"},"owners":[{"id":10128,"kind":"person","name":"Singer Eric","position":1,"cik":"0001443284","reported_name":"Singer Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122529,"kind":"organization","name":"VIEX Opportunities Fund, LP Series One","position":2,"cik":"0001606750","reported_name":"VIEX Opportunities Fund, LP Series One","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":126253,"kind":"organization","name":"VIEX Opportunities Fund, LP - Series Two","position":3,"cik":"0001659404","reported_name":"VIEX Opportunities Fund, LP Series Two","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":133883,"kind":"organization","name":"VIEX Special Opportunities Fund III, LP","position":4,"cik":"0001619126","reported_name":"VIEX Special Opportunities Fund III, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":146803,"kind":"organization","name":"VIEX Special Opportunities GP III, LLC","position":5,"cik":"0001676049","reported_name":"VIEX Special Opportunities GP III, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":122530,"kind":"organization","name":"VIEX GP, LLC","position":6,"cik":"0001654852","reported_name":"VIEX GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":107329,"kind":"organization","name":"VIEX Capital Advisors, LLC","position":7,"cik":"0001619125","reported_name":"VIEX Capital Advisors, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-12-04T21:18:49.000Z","date":"2017-12-01","kind":"grant","acquired":true,"shares":16681,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One (\"Series One\"), a series of VIEX Opportunities Fund, LP (\"VIEX Opportunities\"), a series limited partnership, VIEX Opportunities Fund, LP - Series Two (\"Series Two\"), a series of VIEX Opportunities, VIEX Special Opportunities Fund III, LP (\"VSO III\"), VIEX GP, LLC (\"VIEX GP\"), VIEX Special Opportunities GP III, LLC (\"VSO GP III\"), VIEX Capital Advisors, LLC (\"VIEX Capital\"), and Eric Singer (collectively, the \"Reporting Persons\")."},{"field":"security","element":"securityTitle","label":"F2","text":"The Reporting Persons are filing this report because each of the Reporting Persons is a member of a Section 13(d) group, disclosed in a Schedule 13D filed on behalf of the Reporting Persons, as it may be amended, which beneficially owns 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":"shares","element":"transactionShares","label":"F3","text":"Restricted stock units will fully vest on the earlier to occur of: i) the date of Quantum Corporation's next Annual Stockholder Meeting; and ii) September 1, 2018."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Reflects a 1-for-8 reverse stock split of the Issuer's common stock effected on April 18, 2017."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Mr. Singer, as the managing member of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the (i) 925,983 Shares owned by Series One, (ii) 176,648 Shares owned by Series Two and (iii) 2,588,833 owned by VSO III."}],"balance_after":16681,"source":{"system":"sec-edgar","filing":"0001209191-17-063533","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/709283/000120919117063533/doc4.xml","form_type":"4"}}]}