{"entity":{"type":"insider","cik":"0001437914","url":"/insider/0001437914","json_url":"/insider/0001437914.json","name":"Welsh, Carson, Anderson & Stowe XI, L.P.","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":14,"n_filings":12,"first":"2014-06-12","last":"2017-02-14","span_basis":"filed_date"},"name_variants":[{"name":"Welsh, Carson, Anderson & Stowe XI, L.P.","source":"filing","n_filings":12,"first_seen":"2014-06-12","last_seen":"2017-02-14"}],"transactions":[{"id":4734521,"accession":"0000904454-17-000197","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000904454-17-000197","line_url":"/filing/0000904454-17-000197#line-1","is_derivative":false,"issuer_cik":"0001212994","issuer_name":"K2M GROUP HOLDINGS, INC.","issuer_ticker":"KTWO","issuer_name_source":null,"issuer_url":"/issuer/0001212994","owner_cik":null,"owner_name":"Lee Eric J.; RATHER JONATHAN M; Scully Thomas; Sobol Edward P.; TRAYNOR SEAN; Welsh, Carson, Anderson & Stowe XI, L.P.; Donovan Michael; MACKESY D SCOTT; REGAN BRIAN THOMAS","owner_display_name":"Lee Eric J.","owner_url":null,"role":"Director, Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":9,"other_reporting_owners":8,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3926068.0,"shares_display":"3,926,068","price_per_share":20.23,"price_display":"20.23","price_state":"stated","total_value":79424355.64,"total_display":"79,424,355.64","total_whole":"79,424,356","shares_owned_after":5384858.0,"shares_owned_after_display":"5,384,858","ownership_form":"D","is_10b5_1":null,"transaction_date":"2017-01-26","filed_date":"2017-02-14","scope":"insider"},{"id":4734516,"accession":"0000904454-17-000195","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000904454-17-000195","line_url":"/filing/0000904454-17-000195#line-1","is_derivative":false,"issuer_cik":"0001212985","issuer_name":"K2M GROUP HOLDINGS, INC.","issuer_ticker":"KTWO","issuer_name_source":null,"issuer_url":"/issuer/0001212985","owner_cik":null,"owner_name":"WELSH PATRICK J; Queally Paul B.; DENICOLA ANTHONY J; ANDERSON BRUCE K; Solomon Christopher; CARSON RUSSELL L; Welsh, Carson, Anderson & Stowe XI, L.P.","owner_display_name":"WELSH PATRICK J","owner_url":null,"role":"Director, Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":7,"other_reporting_owners":6,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3926068.0,"shares_display":"3,926,068","price_per_share":20.23,"price_display":"20.23","price_state":"stated","total_value":79424355.64,"total_display":"79,424,355.64","total_whole":"79,424,356","shares_owned_after":5384858.0,"shares_owned_after_display":"5,384,858","ownership_form":"D","is_10b5_1":null,"transaction_date":"2017-01-26","filed_date":"2017-02-14","scope":"insider"},{"id":3159061,"accession":"0000904454-16-001586","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000904454-16-001586","line_url":"/filing/0000904454-16-001586#line-1","is_derivative":false,"issuer_cik":"0001212994","issuer_name":"K2M GROUP HOLDINGS, INC.","issuer_ticker":"KTWO","issuer_name_source":null,"issuer_url":"/issuer/0001212994","owner_cik":null,"owner_name":"REGAN BRIAN THOMAS; MACKESY D SCOTT; Sobol Edward P.; RATHER JONATHAN M; Welsh, Carson, Anderson & Stowe XI, L.P.; Scully Thomas; Donovan Michael; TRAYNOR SEAN; Lee Eric J.","owner_display_name":"REGAN BRIAN THOMAS","owner_url":null,"role":"Director, Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":9,"other_reporting_owners":8,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4416825.0,"shares_display":"4,416,825","price_per_share":18.39,"price_display":"18.39","price_state":"stated","total_value":81225411.75,"total_display":"81,225,411.75","total_whole":"81,225,412","shares_owned_after":9310926.0,"shares_owned_after_display":"9,310,926","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-11-16","filed_date":"2016-11-18","scope":"insider"},{"id":3033044,"accession":"0000904454-16-001584","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000904454-16-001584","line_url":"/filing/0000904454-16-001584#line-1","is_derivative":false,"issuer_cik":"0001212985","issuer_name":"K2M GROUP HOLDINGS, INC.","issuer_ticker":"KTWO","issuer_name_source":null,"issuer_url":"/issuer/0001212985","owner_cik":null,"owner_name":"WELSH PATRICK J; DENICOLA ANTHONY J; Welsh, Carson, Anderson & Stowe XI, L.P.; CARSON RUSSELL L; Solomon Christopher; ANDERSON BRUCE K; Queally Paul B.","owner_display_name":"WELSH PATRICK J","owner_url":null,"role":"Director, Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":7,"other_reporting_owners":6,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4416825.0,"shares_display":"4,416,825","price_per_share":18.39,"price_display":"18.39","price_state":"stated","total_value":81225411.75,"total_display":"81,225,411.75","total_whole":"81,225,412","shares_owned_after":9310926.0,"shares_owned_after_display":"9,310,926","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-11-16","filed_date":"2016-11-18","scope":"insider"},{"id":8934786,"accession":"0000904454-15-000490","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000904454-15-000490","line_url":"/filing/0000904454-15-000490#line-1","is_derivative":false,"issuer_cik":"0001212994","issuer_name":"K2M GROUP HOLDINGS, INC.","issuer_ticker":"KTWO","issuer_name_source":null,"issuer_url":"/issuer/0001212994","owner_cik":null,"owner_name":"REGAN BRIAN THOMAS; MACKESY D SCOTT; RATHER JONATHAN M; Welsh, Carson, Anderson & Stowe XI, L.P.; Scully Thomas; Donovan Michael; TRAYNOR SEAN; Lee Eric J.; Ecock Anthony F","owner_display_name":"REGAN BRIAN THOMAS","owner_url":null,"role":"Director, Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":9,"other_reporting_owners":8,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":467293.0,"shares_display":"467,293","price_per_share":22.6,"price_display":"22.60","price_state":"stated","total_value":10560821.8,"total_display":"10,560,821.80","total_whole":"10,560,822","shares_owned_after":13727751.0,"shares_owned_after_display":"13,727,751","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-07-17","filed_date":"2015-07-17","scope":"insider"},{"id":8913287,"accession":"0000904454-15-000488","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000904454-15-000488","line_url":"/filing/0000904454-15-000488#line-1","is_derivative":false,"issuer_cik":"0001212985","issuer_name":"K2M GROUP HOLDINGS, INC.","issuer_ticker":"KTWO","issuer_name_source":null,"issuer_url":"/issuer/0001212985","owner_cik":null,"owner_name":"CARSON RUSSELL L; Queally Paul B.; Welsh, Carson, Anderson & Stowe XI, L.P.; Solomon Christopher; ANDERSON BRUCE K; WELSH PATRICK J; DENICOLA ANTHONY J; SWANI SANJAY","owner_display_name":"CARSON RUSSELL L","owner_url":null,"role":"Director, Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":8,"other_reporting_owners":7,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":467293.0,"shares_display":"467,293","price_per_share":22.6,"price_display":"22.60","price_state":"stated","total_value":10560821.8,"total_display":"10,560,821.80","total_whole":"10,560,822","shares_owned_after":13727751.0,"shares_owned_after_display":"13,727,751","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-07-17","filed_date":"2015-07-17","scope":"insider"},{"id":8125644,"accession":"0000904454-15-000478","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000904454-15-000478","line_url":"/filing/0000904454-15-000478#line-1","is_derivative":false,"issuer_cik":"0001212994","issuer_name":"K2M GROUP HOLDINGS, INC.","issuer_ticker":"KTWO","issuer_name_source":null,"issuer_url":"/issuer/0001212994","owner_cik":null,"owner_name":"RATHER JONATHAN M; TRAYNOR SEAN; Ecock Anthony F; MACKESY D SCOTT; REGAN BRIAN THOMAS; Welsh, Carson, Anderson & Stowe XI, L.P.; Scully Thomas; Lee Eric J.; Donovan Michael","owner_display_name":"RATHER JONATHAN M","owner_url":null,"role":"Director, Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":9,"other_reporting_owners":8,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3115287.0,"shares_display":"3,115,287","price_per_share":22.6,"price_display":"22.60","price_state":"stated","total_value":70405486.2,"total_display":"70,405,486.20","total_whole":"70,405,486","shares_owned_after":14195044.0,"shares_owned_after_display":"14,195,044","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-07-13","filed_date":"2015-07-13","scope":"insider"},{"id":8125641,"accession":"0000904454-15-000476","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000904454-15-000476","line_url":"/filing/0000904454-15-000476#line-1","is_derivative":false,"issuer_cik":"0001212985","issuer_name":"K2M GROUP HOLDINGS, INC.","issuer_ticker":"KTWO","issuer_name_source":null,"issuer_url":"/issuer/0001212985","owner_cik":null,"owner_name":"Queally Paul B.; CARSON RUSSELL L; SWANI SANJAY; DENICOLA ANTHONY J; WELSH PATRICK J; Welsh, Carson, Anderson & Stowe XI, L.P.; Solomon Christopher; ANDERSON BRUCE K","owner_display_name":"Queally Paul B.","owner_url":null,"role":"Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":8,"other_reporting_owners":7,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3115287.0,"shares_display":"3,115,287","price_per_share":22.6,"price_display":"22.60","price_state":"stated","total_value":70405486.2,"total_display":"70,405,486.20","total_whole":"70,405,486","shares_owned_after":14195044.0,"shares_owned_after_display":"14,195,044","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-07-13","filed_date":"2015-07-13","scope":"insider"},{"id":8837288,"accession":"0000904454-15-000081","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000904454-15-000081","line_url":"/filing/0000904454-15-000081#line-2","is_derivative":false,"issuer_cik":"0001212985","issuer_name":"K2M GROUP HOLDINGS, INC.","issuer_ticker":"KTWO","issuer_name_source":null,"issuer_url":"/issuer/0001212985","owner_cik":null,"owner_name":"WELSH PATRICK J; ANDERSON BRUCE K; CARSON RUSSELL L; QUAELLY PAUL B; Solomon Christopher; DENICOLA ANTHONY J; Welsh, Carson, Anderson & Stowe XI, L.P.; SWANI SANJAY","owner_display_name":"WELSH PATRICK J","owner_url":null,"role":"Director, Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":8,"other_reporting_owners":7,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":889990.0,"shares_display":"889,990","price_per_share":18.75,"price_display":"18.75","price_state":"stated","total_value":16687312.5,"total_display":"16,687,312.50","total_whole":"16,687,313","shares_owned_after":17310331.0,"shares_owned_after_display":"17,310,331","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-02-09","filed_date":"2015-02-10","scope":"insider"},{"id":8238319,"accession":"0000904454-15-000083","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000904454-15-000083","line_url":"/filing/0000904454-15-000083#line-2","is_derivative":false,"issuer_cik":"0001212994","issuer_name":"K2M GROUP HOLDINGS, INC.","issuer_ticker":"KTWO","issuer_name_source":null,"issuer_url":"/issuer/0001212994","owner_cik":null,"owner_name":"Welsh, Carson, Anderson & Stowe XI, L.P.; RATHER JONATHAN M; Scully Thomas; Lee Eric J.; Donovan Michael; TRAYNOR SEAN; REGAN BRIAN THOMAS; MACKESY D SCOTT; Ecock Anthony F","owner_display_name":"Welsh, Carson, Anderson & Stowe XI, L.P.","owner_url":null,"role":"Director, Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":9,"other_reporting_owners":8,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":889990.0,"shares_display":"889,990","price_per_share":18.75,"price_display":"18.75","price_state":"stated","total_value":16687312.5,"total_display":"16,687,312.50","total_whole":"16,687,313","shares_owned_after":17310331.0,"shares_owned_after_display":"17,310,331","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-02-09","filed_date":"2015-02-10","scope":"insider"},{"id":8837285,"accession":"0000904454-15-000081","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000904454-15-000081","line_url":"/filing/0000904454-15-000081#line-1","is_derivative":false,"issuer_cik":"0001212985","issuer_name":"K2M GROUP HOLDINGS, INC.","issuer_ticker":"KTWO","issuer_name_source":null,"issuer_url":"/issuer/0001212985","owner_cik":null,"owner_name":"WELSH PATRICK J; ANDERSON BRUCE K; CARSON RUSSELL L; QUAELLY PAUL B; Solomon Christopher; DENICOLA ANTHONY J; Welsh, Carson, Anderson & Stowe XI, L.P.; SWANI SANJAY","owner_display_name":"WELSH PATRICK J","owner_url":null,"role":"Director, Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":8,"other_reporting_owners":7,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3679064.0,"shares_display":"3,679,064","price_per_share":18.75,"price_display":"18.75","price_state":"stated","total_value":68982450.0,"total_display":"68,982,450.00","total_whole":"68,982,450","shares_owned_after":18200321.0,"shares_owned_after_display":"18,200,321","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-02-06","filed_date":"2015-02-10","scope":"insider"},{"id":8238312,"accession":"0000904454-15-000083","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000904454-15-000083","line_url":"/filing/0000904454-15-000083#line-1","is_derivative":false,"issuer_cik":"0001212994","issuer_name":"K2M GROUP HOLDINGS, INC.","issuer_ticker":"KTWO","issuer_name_source":null,"issuer_url":"/issuer/0001212994","owner_cik":null,"owner_name":"Welsh, Carson, Anderson & Stowe XI, L.P.; RATHER JONATHAN M; Scully Thomas; Lee Eric J.; Donovan Michael; TRAYNOR SEAN; REGAN BRIAN THOMAS; MACKESY D SCOTT; Ecock Anthony F","owner_display_name":"Welsh, Carson, Anderson & Stowe XI, L.P.","owner_url":null,"role":"Director, Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":9,"other_reporting_owners":8,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3679064.0,"shares_display":"3,679,064","price_per_share":18.75,"price_display":"18.75","price_state":"stated","total_value":68982450.0,"total_display":"68,982,450.00","total_whole":"68,982,450","shares_owned_after":18200321.0,"shares_owned_after_display":"18,200,321","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-02-06","filed_date":"2015-02-10","scope":"insider"},{"id":6984174,"accession":"0000904454-14-000512","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000904454-14-000512","line_url":"/filing/0000904454-14-000512#line-1","is_derivative":false,"issuer_cik":"0001212994","issuer_name":"K2M GROUP HOLDINGS, INC.","issuer_ticker":"KTWO","issuer_name_source":null,"issuer_url":"/issuer/0001212994","owner_cik":null,"owner_name":"REGAN BRIAN THOMAS; TRAYNOR SEAN; MACKESY D SCOTT; Welsh, Carson, Anderson & Stowe XI, L.P.; RATHER JONATHAN M; Scully Thomas; Donovan Michael; Ecock Anthony F; Lee Eric J.","owner_display_name":"REGAN BRIAN THOMAS","owner_url":null,"role":"Director, Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":9,"other_reporting_owners":8,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":806554.0,"shares_display":"806,554","price_per_share":15.0,"price_display":"15.00","price_state":"stated","total_value":12098310.0,"total_display":"12,098,310.00","total_whole":"12,098,310","shares_owned_after":21879386.0,"shares_owned_after_display":"21,879,386","ownership_form":"D","is_10b5_1":null,"transaction_date":"2014-06-10","filed_date":"2014-06-12","scope":"insider"},{"id":6814631,"accession":"0000904454-14-000510","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000904454-14-000510","line_url":"/filing/0000904454-14-000510#line-1","is_derivative":false,"issuer_cik":"0001212985","issuer_name":"K2M GROUP HOLDINGS, INC.","issuer_ticker":"KTWO","issuer_name_source":null,"issuer_url":"/issuer/0001212985","owner_cik":null,"owner_name":"WELSH PATRICK J; CARSON RUSSELL L; ANDERSON BRUCE K; DENICOLA ANTHONY J; QUAELLY PAUL B; SWANI SANJAY; Solomon Christopher; Welsh, Carson, Anderson & Stowe XI, L.P.","owner_display_name":"WELSH PATRICK J","owner_url":null,"role":"Director, Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":8,"other_reporting_owners":7,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":806554.0,"shares_display":"806,554","price_per_share":15.0,"price_display":"15.00","price_state":"stated","total_value":12098310.0,"total_display":"12,098,310.00","total_whole":"12,098,310","shares_owned_after":21879386.0,"shares_owned_after_display":"21,879,386","ownership_form":"D","is_10b5_1":null,"transaction_date":"2014-06-10","filed_date":"2014-06-12","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":0,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":0,"open_market":true},{"code":"S","label":"Open-market sale","n":0,"open_market":true},{"code":"M","label":"Option exercise","n":0,"open_market":false},{"code":"A","label":"Grant or award","n":0,"open_market":false},{"code":"F","label":"Tax withholding","n":0,"open_market":false},{"code":"D","label":"Disposition to the issuer","n":0,"open_market":false},{"code":"X","label":"In-the-money option exercise","n":0,"open_market":false}],"total":0},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001499807","name":"K2M GROUP HOLDINGS, INC.","url":"/issuer/0001499807","role":"Ten percent owner","n_filings":12,"first_seen":"2014-06-12","last_seen":"2017-02-14"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001437914","retrieved_at":"2026-08-26T20:32:10+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-25","last_ingest":"2026-08-26T05:24:25.741053+00:00","counts_are":{"filings":"estimate","transactions":"estimate","issuers":"estimate","insiders":"estimate"},"source":"SEC EDGAR Form 4 filings, parsed by ebomi","fault":false},"license":{"underlying_records":"US SEC filings are public records of the United States government and are not subject to copyright. The transactional facts in them are not ours to license.","this_presentation":"The parsing, normalisation, curation, and presentation are ebomi's own work.","grant":"undecided","grant_note":"The open licence for ebomi's own layer is an open owner decision (SPEC-20260731T1159Z open question 3: CC BY 4.0 or CC0 with a citation request). Until it is taken, no grant is asserted here.","citation_request":"Balogh, A. Insider trading. Scientific Data 10, 237 (2023)","url":"https://ebomi.com/license"},"fair_use":{"policy":"These JSON endpoints are open and unauthenticated. Please read them at a human pace, identify your client in the User-Agent header, and use the published dataset for bulk work rather than crawling page by page.","bulk_alternative":"doi:10.1038/s41597-023-02147-6"}}