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WCAS CP IV Associates LLC will further distribute such 784 shares to its members, including the Reporting Owners listed below."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Distribution-in-kind of shares by the designated Reporting Person pro rata to its partners, including 784 shares to WCAS CP IV Associates LLC, the sole general partner of the designated Reporting Person. WCAS CP IV Associates LLC will further distribute such 784 shares to its members, including the Reporting Owners listed below."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The securities reported as directly beneficially owned by the designated Reporting Person may be deemed to be indirectly beneficially owned by each of the Reporting Owners listed below, each of whom is a managing member of WCAS CP IV Associates LLC, the sole general partner of the designated Reporting Person. Pursuant to Instruction 4(b)(iv) of Form 4, each such individual has elected to report as indirectly beneficially owned the entire number of securities owned by the designated Reporting Person, however each of them disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his pecuniary interest therein and/or that are not actually distributed to him."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000904454-17-000227","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1499807/000090445417000227/edgar.xml","form_type":"4"}},{"id":4394964,"issuer":{"id":162444,"kind":"organization","name":"K2M GROUP HOLDINGS, INC.","symbol":"KTWO"},"owners":[{"id":178004,"kind":"organization","name":"Welsh, Carson, Anderson & Stowe XI, L.P.","position":1,"cik":"0001437914","reported_name":"Welsh, Carson, Anderson & Stowe XI, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":178006,"kind":"person","name":"Donovan Michael","position":2,"cik":"0001317659","reported_name":"Donovan Michael","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":35412,"kind":"person","name":"Lee Eric J.","position":3,"cik":"0001413863","reported_name":"Lee Eric J.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":71776,"kind":"person","name":"REGAN BRIAN THOMAS","position":4,"cik":"0001556077","reported_name":"REGAN BRIAN THOMAS","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":178007,"kind":"person","name":"Solomon Christopher","position":5,"cik":"0001608207","reported_name":"Solomon Christopher","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":178008,"kind":"person","name":"Sobol Edward P.","position":6,"cik":"0001680910","reported_name":"Sobol Edward P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-03-08T12:17:32.000Z","date":"2017-03-08","kind":"other","acquired":false,"shares":5384858,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Distribution-in-kind of shares by the designated Reporting Person pro rata to its partners, including 10,023 shares to WCAS XI Associates LLC, the sole general partner of the designated Reporting Person. WCAS XI Associates LLC will further distribute such 10,023 shares to its members, including the Reporting Owners listed below."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Distribution-in-kind of shares by the designated Reporting Person pro rata to its partners, including 10,023 shares to WCAS XI Associates LLC, the sole general partner of the designated Reporting Person. WCAS XI Associates LLC will further distribute such 10,023 shares to its members, including the Reporting Owners listed below."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"Distribution-in-kind of shares by the designated Reporting Person pro rata to its partners, including 10,023 shares to WCAS XI Associates LLC, the sole general partner of the designated Reporting Person. WCAS XI Associates LLC will further distribute such 10,023 shares to its members, including the Reporting Owners listed below."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The securities reported as directly beneficially owned by the designated Reporting Person may be deemed to be indirectly beneficially owned by each of the Reporting Owners listed below, each of whom is a managing member of WCAS XI Associates LLC, the sole general partner of the designated Reporting Person. Pursuant to Instruction 4(b)(iv) of Form 4, each such individual has elected to report as indirectly beneficially owned the entire number of securities owned by the designated Reporting Person, however each of them disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his pecuniary interest therein and/or that are not actually distributed to him."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Each Reporting Owner listed below may also be deemed to have indirectly beneficially owned 386,851 shares of Common Stock held by WCAS XI Co-Investors LLC (including 368,704 shares received in the distribution from the designated Reporting Person), which on March 8, 2017 were distributed-in-kind by WCAS XI Co-Investors LLC pro rata to to its members, including the Reporting Owners listed below. Pursuant to Instruction 4(b)(iv) of Form 4, each such individual has elected to report as indirectly beneficially owned the entire number of securities owned by WCAS XI Co-Investors LLC, however each of them disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his pecuniary interest therein and/or that are not actually distributed to him."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000904454-17-000223","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1499807/000090445417000223/edgar.xml","form_type":"4"}},{"id":4449054,"issuer":{"id":162444,"kind":"organization","name":"K2M GROUP HOLDINGS, INC.","symbol":"KTWO"},"owners":[{"id":178004,"kind":"organization","name":"Welsh, Carson, Anderson & Stowe XI, L.P.","position":1,"cik":"0001437914","reported_name":"Welsh, Carson, Anderson & Stowe XI, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":37308,"kind":"person","name":"MACKESY D SCOTT","position":2,"cik":"0001212997","reported_name":"MACKESY D SCOTT","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":38989,"kind":"person","name":"TRAYNOR SEAN","position":3,"cik":"0001212999","reported_name":"TRAYNOR SEAN","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":178003,"kind":"person","name":"RATHER JONATHAN M","position":4,"cik":"0001212994","reported_name":"RATHER JONATHAN M","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":33915,"kind":"person","name":"Scully Thomas","position":5,"cik":"0001414384","reported_name":"Scully Thomas","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":35412,"kind":"person","name":"Lee Eric J.","position":6,"cik":"0001413863","reported_name":"Lee Eric J.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":178006,"kind":"person","name":"Donovan Michael","position":7,"cik":"0001317659","reported_name":"Donovan Michael","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":71776,"kind":"person","name":"REGAN BRIAN THOMAS","position":8,"cik":"0001556077","reported_name":"REGAN BRIAN THOMAS","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":178008,"kind":"person","name":"Sobol Edward P.","position":9,"cik":"0001680910","reported_name":"Sobol Edward P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-02-14T21:23:24.000Z","date":"2017-01-26","kind":"sale","acquired":false,"shares":3926068,"price":20.23,"value":79424355.64,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The securities reported as directly beneficially owned by the designated Reporting Person may be deemed to be indirectly beneficially owned by each of the Reporting Owners listed below, each of whom is a managing member of the sole general partner of the designated Reporting Person. Pursuant to Instruction 4(b)(iv) of Form 4, each such individual has elected to report as indirectly beneficially owned the entire number of securities owned by the designated Reporting Person, however each of them disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his pecuniary interest therein and/or that are not actually distributed to him."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each Reporting Owner listed below may also be deemed to indirectly beneficially own 18,147 shares of Common Stock held by WCAS XI Co-Investors LLC.  Pursuant to Instruction 4(b)(iv) of Form 4, each such individual has elected to report as indirectly beneficially owned the entire number of securities owned by WCAS XI Co-Investors LLC, however each of them disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his pecuniary interest therein and/or that are not actually distributed to him."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Paul B. Queally and Sean M. 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Pursuant to Instruction 4(b)(iv) of Form 4, each such individual has elected to report as indirectly beneficially owned the entire number of securities owned by the designated Reporting Person, however each of them disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his pecuniary interest therein and/or that are not actually distributed to him."}],"balance_after":78849,"source":{"system":"sec-edgar","filing":"0000904454-17-000191","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1499807/000090445417000191/edgar.xml","form_type":"4"}},{"id":4548753,"issuer":{"id":162444,"kind":"organization","name":"K2M GROUP HOLDINGS, INC.","symbol":"KTWO"},"owners":[{"id":178009,"kind":"organization","name":"WCAS Capital Partners IV, L.P.","position":1,"cik":"0001297673","reported_name":"WCAS Capital Partners IV, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":37308,"kind":"person","name":"MACKESY D SCOTT","position":2,"cik":"0001212997","reported_name":"MACKESY D SCOTT","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":38989,"kind":"person","name":"TRAYNOR SEAN","position":3,"cik":"0001212999","reported_name":"TRAYNOR SEAN","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":178003,"kind":"person","name":"RATHER JONATHAN M","position":4,"cik":"0001212994","reported_name":"RATHER JONATHAN M","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":33915,"kind":"person","name":"Scully Thomas","position":5,"cik":"0001414384","reported_name":"Scully Thomas","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":35412,"kind":"person","name":"Lee Eric J.","position":6,"cik":"0001413863","reported_name":"Lee Eric J.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":178006,"kind":"person","name":"Donovan Michael","position":7,"cik":"0001317659","reported_name":"Donovan Michael","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":71776,"kind":"person","name":"REGAN BRIAN THOMAS","position":8,"cik":"0001556077","reported_name":"REGAN BRIAN THOMAS","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2016-11-18T13:36:46.000Z","date":"2016-11-16","kind":"sale","acquired":false,"shares":64674,"price":18.39,"value":1189354.86,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The securities reported as directly beneficially owned by the designated Reporting Person may be deemed to be indirectly beneficially owned by each of the Reporting Owners listed below, each of whom is a managing member of the sole general partner of the designated Reporting Person. Pursuant to Instruction 4(b)(iv) of Form 4, each such individual has elected to report as indirectly beneficially owned the entire number of securities owned by the designated Reporting Person, however each of them disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his pecuniary interest therein and/or that are not actually distributed to him."}],"balance_after":136337,"source":{"system":"sec-edgar","filing":"0000904454-16-001590","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1499807/000090445416001590/edgar.xml","form_type":"4"}},{"id":4548751,"issuer":{"id":162444,"kind":"organization","name":"K2M GROUP HOLDINGS, INC.","symbol":"KTWO"},"owners":[{"id":178004,"kind":"organization","name":"Welsh, Carson, Anderson & Stowe XI, L.P.","position":1,"cik":"0001437914","reported_name":"Welsh, Carson, Anderson & Stowe XI, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":37308,"kind":"person","name":"MACKESY D SCOTT","position":2,"cik":"0001212997","reported_name":"MACKESY D SCOTT","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":38989,"kind":"person","name":"TRAYNOR SEAN","position":3,"cik":"0001212999","reported_name":"TRAYNOR SEAN","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":178003,"kind":"person","name":"RATHER JONATHAN M","position":4,"cik":"0001212994","reported_name":"RATHER JONATHAN M","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":33915,"kind":"person","name":"Scully Thomas","position":5,"cik":"0001414384","reported_name":"Scully Thomas","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":35412,"kind":"person","name":"Lee Eric J.","position":6,"cik":"0001413863","reported_name":"Lee Eric J.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":178006,"kind":"person","name":"Donovan Michael","position":7,"cik":"0001317659","reported_name":"Donovan Michael","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":71776,"kind":"person","name":"REGAN BRIAN THOMAS","position":8,"cik":"0001556077","reported_name":"REGAN BRIAN THOMAS","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":178008,"kind":"person","name":"Sobol Edward P.","position":9,"cik":"0001680910","reported_name":"Sobol Edward P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2016-11-18T13:16:34.000Z","date":"2016-11-16","kind":"sale","acquired":false,"shares":4416825,"price":18.39,"value":81225411.75,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The securities reported as directly beneficially owned by the designated Reporting Person may be deemed to be indirectly beneficially owned by each of the Reporting Owners listed below, each of whom is a managing member of the sole general partner of the designated Reporting Person. Pursuant to Instruction 4(b)(iv) of Form 4, each such individual has elected to report as indirectly beneficially owned the entire number of securities owned by the designated Reporting Person, however each of them disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his pecuniary interest therein and/or that are not actually distributed to him."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each Reporting Owner listed below may also be deemed to indirectly beneficially own 31,377 shares of Common Stock held by WCAS XI Co-Investors LLC.  Pursuant to Instruction 4(b)(iv) of Form 4, each such individual has elected to report as indirectly beneficially owned the entire number of securities owned by WCAS XI Co-Investors LLC, however each of them disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his pecuniary interest therein and/or that are not actually distributed to him."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Paul B. Queally and Sean M. Traynor each also directly beneficially own 4,439 shares of Common Stock."}],"balance_after":9310926,"source":{"system":"sec-edgar","filing":"0000904454-16-001586","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1499807/000090445416001586/edgar.xml","form_type":"4"}}]}