{"entity":{"type":"insider","cik":"0001456823","url":"/insider/0001456823","json_url":"/insider/0001456823.json","name":"Montagner Marc","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":30,"n_filings":27,"first":"2011-01-07","last":"2024-06-11","span_basis":"filed_date"},"name_variants":[{"name":"Montagner Marc","source":"filing","n_filings":27,"first_seen":"2011-01-07","last_seen":"2024-06-11"}],"transactions":[{"id":2661105,"accession":"0001415889-24-016367","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001415889-24-016367","line_url":"/filing/0001415889-24-016367#line-1","is_derivative":false,"issuer_cik":"0001158324","issuer_name":"COGENT COMMUNICATIONS HOLDINGS, INC.","issuer_ticker":"CCOI","issuer_name_source":null,"issuer_url":"/issuer/0001158324","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"common stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":10000.0,"shares_display":"10,000","price_per_share":52.613,"price_display":"52.61","price_state":"stated","total_value":526130.0,"total_display":"526,130.00","total_whole":"526,130","shares_owned_after":79468.0,"shares_owned_after_display":"79,468","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-06-11","filed_date":"2024-06-11","scope":"insider"},{"id":8733030,"accession":"0001415889-23-015149","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001415889-23-015149","line_url":"/filing/0001415889-23-015149#line-1","is_derivative":false,"issuer_cik":"0001158324","issuer_name":"COGENT COMMUNICATIONS HOLDINGS, INC.","issuer_ticker":"CCOI","issuer_name_source":null,"issuer_url":"/issuer/0001158324","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"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":10550.0,"shares_display":"10,550","price_per_share":65.8311,"price_display":"65.83","price_state":"stated","total_value":694518.105,"total_display":"694,518.10","total_whole":"694,518","shares_owned_after":66695.0,"shares_owned_after_display":"66,695","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-11-14","filed_date":"2023-11-15","scope":"insider"},{"id":6579758,"accession":"0001567619-22-020346","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001567619-22-020346","line_url":"/filing/0001567619-22-020346","is_derivative":false,"issuer_cik":"0001158324","issuer_name":"COGENT COMMUNICATIONS HOLDINGS, INC.","issuer_ticker":"CCOI","issuer_name_source":null,"issuer_url":"/issuer/0001158324","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"common stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":10000.0,"shares_display":"10,000","price_per_share":54.875,"price_display":"54.88","price_state":"stated","total_value":548750.0,"total_display":"548,750.00","total_whole":"548,750","shares_owned_after":71212.0,"shares_owned_after_display":"71,212","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-11-09","filed_date":"2022-11-15","scope":"insider","n_lines":2},{"id":2545769,"accession":"0001209191-20-045218","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-20-045218","line_url":"/filing/0001209191-20-045218#line-1","is_derivative":false,"issuer_cik":"0001237746","issuer_name":"Endurance International Group Holdings, Inc.","issuer_ticker":"EIGI","issuer_name_source":null,"issuer_url":"/issuer/0001237746","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":15695.0,"shares_display":"15,695","price_per_share":5.6172,"price_display":"5.62","price_state":"stated","total_value":88161.954,"total_display":"88,161.95","total_whole":"88,162","shares_owned_after":1307294.0,"shares_owned_after_display":"1,307,294","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-08-03","filed_date":"2020-08-05","scope":"insider"},{"id":3150821,"accession":"0001567619-20-011154","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001567619-20-011154","line_url":"/filing/0001567619-20-011154#line-1","is_derivative":false,"issuer_cik":"0001158324","issuer_name":"COGENT COMMUNICATIONS HOLDINGS, INC.","issuer_ticker":"CCOI","issuer_name_source":null,"issuer_url":"/issuer/0001158324","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"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":3000.0,"shares_display":"3,000","price_per_share":77.0638,"price_display":"77.06","price_state":"stated","total_value":231191.4,"total_display":"231,191.40","total_whole":"231,191","shares_owned_after":47500.0,"shares_owned_after_display":"47,500","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-05-26","filed_date":"2020-05-26","scope":"insider"},{"id":2681909,"accession":"0001209191-20-026171","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-20-026171","line_url":"/filing/0001209191-20-026171#line-1","is_derivative":false,"issuer_cik":"0001237746","issuer_name":"Endurance International Group Holdings, Inc.","issuer_ticker":"EIGI","issuer_name_source":null,"issuer_url":"/issuer/0001237746","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":32256.0,"shares_display":"32,256","price_per_share":2.7136,"price_display":"2.71","price_state":"stated","total_value":87529.8816,"total_display":"87,529.88","total_whole":"87,530","shares_owned_after":1322989.0,"shares_owned_after_display":"1,322,989","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-04-27","filed_date":"2020-04-29","scope":"insider"},{"id":3256286,"accession":"0001209191-20-023650","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-20-023650","line_url":"/filing/0001209191-20-023650#line-1","is_derivative":false,"issuer_cik":"0001237746","issuer_name":"Endurance International Group Holdings, Inc.","issuer_ticker":"EIGI","issuer_name_source":null,"issuer_url":"/issuer/0001237746","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":8397.0,"shares_display":"8,397","price_per_share":1.8206,"price_display":"1.82","price_state":"stated","total_value":15287.5782,"total_display":"15,287.58","total_whole":"15,288","shares_owned_after":1355245.0,"shares_owned_after_display":"1,355,245","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-04-02","filed_date":"2020-04-06","scope":"insider"},{"id":2500807,"accession":"0001567619-20-005403","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001567619-20-005403","line_url":"/filing/0001567619-20-005403#line-1","is_derivative":false,"issuer_cik":"0001158324","issuer_name":"COGENT COMMUNICATIONS HOLDINGS, INC.","issuer_ticker":"CCOI","issuer_name_source":null,"issuer_url":"/issuer/0001158324","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"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":1350.0,"shares_display":"1,350","price_per_share":79.4,"price_display":"79.40","price_state":"stated","total_value":107190.0,"total_display":"107,190.00","total_whole":"107,190","shares_owned_after":49400.0,"shares_owned_after_display":"49,400","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-03-03","filed_date":"2020-03-03","scope":"insider"},{"id":2137613,"accession":"0001209191-20-008880","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-20-008880","line_url":"/filing/0001209191-20-008880#line-2","is_derivative":false,"issuer_cik":"0001237746","issuer_name":"Endurance International Group Holdings, Inc.","issuer_ticker":"EIGI","issuer_name_source":null,"issuer_url":"/issuer/0001237746","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4368.0,"shares_display":"4,368","price_per_share":4.7071,"price_display":"4.71","price_state":"stated","total_value":20560.6128,"total_display":"20,560.61","total_whole":"20,561","shares_owned_after":1363642.0,"shares_owned_after_display":"1,363,642","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-02-11","filed_date":"2020-02-12","scope":"insider"},{"id":2137607,"accession":"0001209191-20-008880","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-20-008880","line_url":"/filing/0001209191-20-008880#line-1","is_derivative":false,"issuer_cik":"0001237746","issuer_name":"Endurance International Group Holdings, Inc.","issuer_ticker":"EIGI","issuer_name_source":null,"issuer_url":"/issuer/0001237746","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3727.0,"shares_display":"3,727","price_per_share":4.7756,"price_display":"4.78","price_state":"stated","total_value":17798.6612,"total_display":"17,798.66","total_whole":"17,799","shares_owned_after":1368010.0,"shares_owned_after_display":"1,368,010","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-02-10","filed_date":"2020-02-12","scope":"insider"},{"id":3013606,"accession":"0001209191-20-007709","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-20-007709","line_url":"/filing/0001209191-20-007709#line-2","is_derivative":false,"issuer_cik":"0001237746","issuer_name":"Endurance International Group Holdings, Inc.","issuer_ticker":"EIGI","issuer_name_source":null,"issuer_url":"/issuer/0001237746","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":28862.0,"shares_display":"28,862","price_per_share":5.2574,"price_display":"5.26","price_state":"stated","total_value":151739.0788,"total_display":"151,739.08","total_whole":"151,739","shares_owned_after":1371737.0,"shares_owned_after_display":"1,371,737","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-02-07","filed_date":"2020-02-07","scope":"insider"},{"id":7884664,"accession":"0001209191-19-050081","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-19-050081","line_url":"/filing/0001209191-19-050081#line-1","is_derivative":false,"issuer_cik":"0001237746","issuer_name":"Endurance International Group Holdings, Inc.","issuer_ticker":"EIGI","issuer_name_source":null,"issuer_url":"/issuer/0001237746","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":9637.0,"shares_display":"9,637","price_per_share":5.5357,"price_display":"5.54","price_state":"stated","total_value":53347.5409,"total_display":"53,347.54","total_whole":"53,348","shares_owned_after":980431.0,"shares_owned_after_display":"980,431","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-09-16","filed_date":"2019-09-18","scope":"insider"},{"id":8675577,"accession":"0001209191-19-026809","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-19-026809","line_url":"/filing/0001209191-19-026809#line-1","is_derivative":false,"issuer_cik":"0001237746","issuer_name":"Endurance International Group Holdings, Inc.","issuer_ticker":"EIGI","issuer_name_source":null,"issuer_url":"/issuer/0001237746","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":32256.0,"shares_display":"32,256","price_per_share":6.3209,"price_display":"6.32","price_state":"stated","total_value":203886.9504,"total_display":"203,886.95","total_whole":"203,887","shares_owned_after":890068.0,"shares_owned_after_display":"890,068","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-04-29","filed_date":"2019-05-01","scope":"insider"},{"id":8513879,"accession":"0001209191-19-025383","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-19-025383","line_url":"/filing/0001209191-19-025383#line-1","is_derivative":false,"issuer_cik":"0001237746","issuer_name":"Endurance International Group Holdings, Inc.","issuer_ticker":"EIGI","issuer_name_source":null,"issuer_url":"/issuer/0001237746","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":73008.0,"shares_display":"73,008","price_per_share":6.42,"price_display":"6.42","price_state":"stated","total_value":468711.36,"total_display":"468,711.36","total_whole":"468,711","shares_owned_after":922324.0,"shares_owned_after_display":"922,324","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-04-17","filed_date":"2019-04-19","scope":"insider"},{"id":8296730,"accession":"0001209191-19-023701","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-19-023701","line_url":"/filing/0001209191-19-023701#line-1","is_derivative":false,"issuer_cik":"0001237746","issuer_name":"Endurance International Group Holdings, Inc.","issuer_ticker":"EIGI","issuer_name_source":null,"issuer_url":"/issuer/0001237746","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":8333.0,"shares_display":"8,333","price_per_share":7.4,"price_display":"7.40","price_state":"stated","total_value":61664.2,"total_display":"61,664.20","total_whole":"61,664","shares_owned_after":995332.0,"shares_owned_after_display":"995,332","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-04-02","filed_date":"2019-04-04","scope":"insider"},{"id":8082453,"accession":"0001567619-19-006671","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001567619-19-006671","line_url":"/filing/0001567619-19-006671#line-1","is_derivative":false,"issuer_cik":"0001158324","issuer_name":"COGENT COMMUNICATIONS HOLDINGS, INC.","issuer_ticker":"CCOI","issuer_name_source":null,"issuer_url":"/issuer/0001158324","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"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":2000.0,"shares_display":"2,000","price_per_share":50.0,"price_display":"50.00","price_state":"stated","total_value":100000.0,"total_display":"100,000.00","total_whole":"100,000","shares_owned_after":43750.0,"shares_owned_after_display":"43,750","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-03-12","filed_date":"2019-03-12","scope":"insider"},{"id":7866117,"accession":"0001209191-19-009773","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-19-009773","line_url":"/filing/0001209191-19-009773#line-1","is_derivative":false,"issuer_cik":"0001237746","issuer_name":"Endurance International Group Holdings, Inc.","issuer_ticker":"EIGI","issuer_name_source":null,"issuer_url":"/issuer/0001237746","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":7851.0,"shares_display":"7,851","price_per_share":7.55,"price_display":"7.55","price_state":"stated","total_value":59275.05,"total_display":"59,275.05","total_whole":"59,275","shares_owned_after":1003665.0,"shares_owned_after_display":"1,003,665","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-02-11","filed_date":"2019-02-13","scope":"insider"},{"id":6079676,"accession":"0001209191-18-051659","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-18-051659","line_url":"/filing/0001209191-18-051659#line-1","is_derivative":false,"issuer_cik":"0001237746","issuer_name":"Endurance International Group Holdings, Inc.","issuer_ticker":"EIGI","issuer_name_source":null,"issuer_url":"/issuer/0001237746","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":9424.0,"shares_display":"9,424","price_per_share":9.2,"price_display":"9.20","price_state":"stated","total_value":86700.8,"total_display":"86,700.80","total_whole":"86,701","shares_owned_after":823781.0,"shares_owned_after_display":"823,781","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-09-17","filed_date":"2018-09-19","scope":"insider"},{"id":6735355,"accession":"0001140361-18-024692","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001140361-18-024692","line_url":"/filing/0001140361-18-024692#line-1","is_derivative":false,"issuer_cik":"0001158324","issuer_name":"COGENT COMMUNICATIONS HOLDINGS, INC.","issuer_ticker":"CCOI","issuer_name_source":null,"issuer_url":"/issuer/0001158324","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"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":2000.0,"shares_display":"2,000","price_per_share":50.0,"price_display":"50.00","price_state":"stated","total_value":100000.0,"total_display":"100,000.00","total_whole":"100,000","shares_owned_after":41500.0,"shares_owned_after_display":"41,500","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-05-18","filed_date":"2018-05-18","scope":"insider"},{"id":6632839,"accession":"0001209191-18-025391","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-18-025391","line_url":"/filing/0001209191-18-025391#line-1","is_derivative":false,"issuer_cik":"0001237746","issuer_name":"Endurance International Group Holdings, Inc.","issuer_ticker":"EIGI","issuer_name_source":null,"issuer_url":"/issuer/0001237746","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":64032.0,"shares_display":"64,032","price_per_share":7.3005,"price_display":"7.30","price_state":"stated","total_value":467465.616,"total_display":"467,465.62","total_whole":"467,466","shares_owned_after":618205.0,"shares_owned_after_display":"618,205","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-04-16","filed_date":"2018-04-18","scope":"insider"},{"id":6043352,"accession":"0001209191-18-023917","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-18-023917","line_url":"/filing/0001209191-18-023917#line-1","is_derivative":false,"issuer_cik":"0001237746","issuer_name":"Endurance International Group Holdings, Inc.","issuer_ticker":"EIGI","issuer_name_source":null,"issuer_url":"/issuer/0001237746","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":8405.0,"shares_display":"8,405","price_per_share":7.301,"price_display":"7.30","price_state":"stated","total_value":61364.905,"total_display":"61,364.90","total_whole":"61,365","shares_owned_after":682237.0,"shares_owned_after_display":"682,237","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-04-02","filed_date":"2018-04-04","scope":"insider"},{"id":4126877,"accession":"0001140361-17-046337","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001140361-17-046337","line_url":"/filing/0001140361-17-046337#line-1","is_derivative":false,"issuer_cik":"0001158324","issuer_name":"COGENT COMMUNICATIONS HOLDINGS, INC.","issuer_ticker":"CCOI","issuer_name_source":null,"issuer_url":"/issuer/0001158324","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"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":5000.0,"shares_display":"5,000","price_per_share":47.0,"price_display":"47.00","price_state":"stated","total_value":235000.0,"total_display":"235,000.00","total_whole":"235,000","shares_owned_after":40000.0,"shares_owned_after_display":"40,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2017-12-15","filed_date":"2017-12-15","scope":"insider"},{"id":4163845,"accession":"0001209191-17-053525","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-17-053525","line_url":"/filing/0001209191-17-053525#line-2","is_derivative":false,"issuer_cik":"0001237746","issuer_name":"Endurance International Group Holdings, Inc.","issuer_ticker":"EIGI","issuer_name_source":null,"issuer_url":"/issuer/0001237746","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3352.0,"shares_display":"3,352","price_per_share":7.75,"price_display":"7.75","price_state":"stated","total_value":25978.0,"total_display":"25,978.00","total_whole":"25,978","shares_owned_after":615642.0,"shares_owned_after_display":"615,642","ownership_form":"D","is_10b5_1":null,"transaction_date":"2017-09-19","filed_date":"2017-09-20","scope":"insider"},{"id":4163839,"accession":"0001209191-17-053525","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-17-053525","line_url":"/filing/0001209191-17-053525#line-1","is_derivative":false,"issuer_cik":"0001237746","issuer_name":"Endurance International Group Holdings, Inc.","issuer_ticker":"EIGI","issuer_name_source":null,"issuer_url":"/issuer/0001237746","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":6877.0,"shares_display":"6,877","price_per_share":7.55,"price_display":"7.55","price_state":"stated","total_value":51921.35,"total_display":"51,921.35","total_whole":"51,921","shares_owned_after":618994.0,"shares_owned_after_display":"618,994","ownership_form":"D","is_10b5_1":null,"transaction_date":"2017-09-18","filed_date":"2017-09-20","scope":"insider"},{"id":4414731,"accession":"0001209191-17-026131","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-17-026131","line_url":"/filing/0001209191-17-026131#line-1","is_derivative":false,"issuer_cik":"0001237746","issuer_name":"Endurance International Group Holdings, Inc.","issuer_ticker":"EIGI","issuer_name_source":null,"issuer_url":"/issuer/0001237746","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":102282.0,"shares_display":"102,282","price_per_share":7.6442,"price_display":"7.64","price_state":"stated","total_value":781864.0644,"total_display":"781,864.06","total_whole":"781,864","shares_owned_after":307400.0,"shares_owned_after_display":"307,400","ownership_form":"D","is_10b5_1":null,"transaction_date":"2017-04-04","filed_date":"2017-04-06","scope":"insider"},{"id":3212487,"accession":"0001209191-16-142065","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-16-142065","line_url":"/filing/0001209191-16-142065#line-1","is_derivative":false,"issuer_cik":"0001237746","issuer_name":"Endurance International Group Holdings, Inc.","issuer_ticker":"EIGI","issuer_name_source":null,"issuer_url":"/issuer/0001237746","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":10490.0,"shares_display":"10,490","price_per_share":8.25,"price_display":"8.25","price_state":"stated","total_value":86542.5,"total_display":"86,542.50","total_whole":"86,543","shares_owned_after":186468.0,"shares_owned_after_display":"186,468","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-09-16","filed_date":"2016-09-19","scope":"insider"},{"id":2743723,"accession":"0001140361-16-064038","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001140361-16-064038","line_url":"/filing/0001140361-16-064038#line-1","is_derivative":false,"issuer_cik":"0001158324","issuer_name":"COGENT COMMUNICATIONS HOLDINGS, INC.","issuer_ticker":"CCOI","issuer_name_source":null,"issuer_url":"/issuer/0001158324","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"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":10000.0,"shares_display":"10,000","price_per_share":39.2302,"price_display":"39.23","price_state":"stated","total_value":392302.0,"total_display":"392,302.00","total_whole":"392,302","shares_owned_after":34250.0,"shares_owned_after_display":"34,250","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-05-09","filed_date":"2016-05-09","scope":"insider"},{"id":6199081,"accession":"0001140361-14-043370","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001140361-14-043370","line_url":"/filing/0001140361-14-043370#line-1","is_derivative":false,"issuer_cik":"0001158324","issuer_name":"COGENT COMMUNICATIONS HOLDINGS, INC.","issuer_ticker":"CCOI","issuer_name_source":null,"issuer_url":"/issuer/0001158324","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"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":7500.0,"shares_display":"7,500","price_per_share":34.7,"price_display":"34.70","price_state":"stated","total_value":260250.0,"total_display":"260,250.00","total_whole":"260,250","shares_owned_after":33000.0,"shares_owned_after_display":"33,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2014-11-25","filed_date":"2014-11-25","scope":"insider"},{"id":8829053,"accession":"0001140361-11-001856","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001140361-11-001856","line_url":"/filing/0001140361-11-001856#line-1","is_derivative":false,"issuer_cik":"0001158324","issuer_name":"COGENT COMMUNICATIONS GROUP INC","issuer_ticker":"CCOI","issuer_name_source":null,"issuer_url":"/issuer/0001158324","owner_cik":"0001456823","owner_name":"Montagner Marc","owner_display_name":"Montagner Marc","owner_url":"/insider/0001456823","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"common stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":5500.0,"shares_display":"5,500","price_per_share":13.98,"price_display":"13.98","price_state":"stated","total_value":76890.0,"total_display":"76,890.00","total_whole":"76,890","shares_owned_after":13000.0,"shares_owned_after_display":"13,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-01-06","filed_date":"2011-01-07","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":30,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":4,"open_market":true},{"code":"S","label":"Open-market sale","n":26,"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":30},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001158324","name":"COGENT COMMUNICATIONS HOLDINGS, INC.","url":"/issuer/0001158324","role":"Director","n_filings":11,"first_seen":"2011-01-07","last_seen":"2024-06-11"},{"type":"issuer","type_label":"ISSUER","cik":"0001237746","name":"Endurance International Group Holdings, Inc.","url":"/issuer/0001237746","role":"Officer (Chief Financial Officer)","n_filings":16,"first_seen":"2016-09-19","last_seen":"2020-08-05"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001456823","retrieved_at":"2026-08-25T10:43:24+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-24","last_ingest":"2026-08-25T05:24:19.374141+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"}}