{"entity":{"type":"insider","cik":"0001396245","url":"/insider/0001396245","json_url":"/insider/0001396245.json","name":"Mildenhall Joseph N","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":33,"n_filings":28,"first":"2007-11-02","last":"2021-02-24","span_basis":"filed_date"},"name_variants":[{"name":"Mildenhall Joseph N","source":"filing","n_filings":28,"first_seen":"2007-11-02","last_seen":"2021-02-24"}],"transactions":[{"id":4087727,"accession":"0001209191-21-013633","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-21-013633","line_url":"/filing/0001209191-21-013633#line-1","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","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":108.67,"price_display":"108.67","price_state":"stated","total_value":1086700.0,"total_display":"1,086,700.00","total_whole":"1,086,700","shares_owned_after":13127.0,"shares_owned_after_display":"13,127","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-02-22","filed_date":"2021-02-24","scope":"insider"},{"id":3046395,"accession":"0001209191-20-046210","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-20-046210","line_url":"/filing/0001209191-20-046210#line-1","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","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":100.31,"price_display":"100.31","price_state":"stated","total_value":200620.0,"total_display":"200,620.00","total_whole":"200,620","shares_owned_after":25527.0,"shares_owned_after_display":"25,527","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-08-10","filed_date":"2020-08-11","scope":"insider"},{"id":2041262,"accession":"0001209191-20-036262","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-20-036262","line_url":"/filing/0001209191-20-036262#line-1","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","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":100.55,"price_display":"100.55","price_state":"stated","total_value":201100.0,"total_display":"201,100.00","total_whole":"201,100","shares_owned_after":27527.0,"shares_owned_after_display":"27,527","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-06-10","filed_date":"2020-06-12","scope":"insider"},{"id":8300620,"accession":"0001209191-19-059705","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-19-059705","line_url":"/filing/0001209191-19-059705#line-1","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":6000.0,"shares_display":"6,000","price_per_share":88.13,"price_display":"88.13","price_state":"stated","total_value":528780.0,"total_display":"528,780.00","total_whole":"528,780","shares_owned_after":50809.0,"shares_owned_after_display":"50,809","ownership_form":"I","is_10b5_1":null,"transaction_date":"2019-12-06","filed_date":"2019-12-09","scope":"insider"},{"id":8677206,"accession":"0001209191-19-049217","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-19-049217","line_url":"/filing/0001209191-19-049217#line-1","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","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":108.75,"price_display":"108.75","price_state":"stated","total_value":217500.0,"total_display":"217,500.00","total_whole":"217,500","shares_owned_after":56809.0,"shares_owned_after_display":"56,809","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-09-10","filed_date":"2019-09-11","scope":"insider"},{"id":8599697,"accession":"0001209191-19-045812","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-19-045812","line_url":"/filing/0001209191-19-045812#line-1","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","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":126.2,"price_display":"126.20","price_state":"stated","total_value":252400.0,"total_display":"252,400.00","total_whole":"252,400","shares_owned_after":58809.0,"shares_owned_after_display":"58,809","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-08-13","filed_date":"2019-08-13","scope":"insider"},{"id":7871869,"accession":"0001209191-19-041634","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-19-041634","line_url":"/filing/0001209191-19-041634#line-1","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","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":116.5,"price_display":"116.50","price_state":"stated","total_value":233000.0,"total_display":"233,000.00","total_whole":"233,000","shares_owned_after":60809.0,"shares_owned_after_display":"60,809","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-07-09","filed_date":"2019-07-09","scope":"insider"},{"id":7927203,"accession":"0001209191-19-036182","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-19-036182","line_url":"/filing/0001209191-19-036182#line-1","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","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":124.49,"price_display":"124.49","price_state":"stated","total_value":248980.0,"total_display":"248,980.00","total_whole":"248,980","shares_owned_after":62809.0,"shares_owned_after_display":"62,809","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-06-11","filed_date":"2019-06-11","scope":"insider"},{"id":7789195,"accession":"0001209191-19-031818","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-19-031818","line_url":"/filing/0001209191-19-031818#line-2","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":19900.0,"shares_display":"19,900","price_per_share":113.95,"price_display":"113.95","price_state":"stated","total_value":2267605.0,"total_display":"2,267,605.00","total_whole":"2,267,605","shares_owned_after":64809.0,"shares_owned_after_display":"64,809","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-05-20","filed_date":"2019-05-21","scope":"insider"},{"id":8675760,"accession":"0001209191-19-029796","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-19-029796","line_url":"/filing/0001209191-19-029796#line-1","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","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":115.03,"price_display":"115.03","price_state":"stated","total_value":230060.0,"total_display":"230,060.00","total_whole":"230,060","shares_owned_after":64809.0,"shares_owned_after_display":"64,809","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-05-14","filed_date":"2019-05-14","scope":"insider"},{"id":7870936,"accession":"0001209191-19-024162","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-19-024162","line_url":"/filing/0001209191-19-024162#line-1","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","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":118.12,"price_display":"118.12","price_state":"stated","total_value":236240.0,"total_display":"236,240.00","total_whole":"236,240","shares_owned_after":66809.0,"shares_owned_after_display":"66,809","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-04-09","filed_date":"2019-04-09","scope":"insider"},{"id":8412690,"accession":"0001209191-19-019002","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-19-019002","line_url":"/filing/0001209191-19-019002#line-1","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","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":114.88,"price_display":"114.88","price_state":"stated","total_value":229760.0,"total_display":"229,760.00","total_whole":"229,760","shares_owned_after":68809.0,"shares_owned_after_display":"68,809","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-03-12","filed_date":"2019-03-12","scope":"insider"},{"id":8295858,"accession":"0001209191-19-016826","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-19-016826","line_url":"/filing/0001209191-19-016826#line-2","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","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":118.44,"price_display":"118.44","price_state":"stated","total_value":592200.0,"total_display":"592,200.00","total_whole":"592,200","shares_owned_after":73659.0,"shares_owned_after_display":"73,659","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-03-04","filed_date":"2019-03-05","scope":"insider"},{"id":6157119,"accession":"0001209191-18-062310","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-18-062310","line_url":"/filing/0001209191-18-062310#line-1","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","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":110.71,"price_display":"110.71","price_state":"stated","total_value":221420.0,"total_display":"221,420.00","total_whole":"221,420","shares_owned_after":77402.0,"shares_owned_after_display":"77,402","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-12-11","filed_date":"2018-12-12","scope":"insider"},{"id":6524356,"accession":"0001209191-18-058590","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-18-058590","line_url":"/filing/0001209191-18-058590#line-2","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","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":127.12,"price_display":"127.12","price_state":"stated","total_value":635600.0,"total_display":"635,600.00","total_whole":"635,600","shares_owned_after":82752.0,"shares_owned_after_display":"82,752","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-11-12","filed_date":"2018-11-14","scope":"insider"},{"id":4784641,"accession":"0001209191-17-048618","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-17-048618","line_url":"/filing/0001209191-17-048618#line-1","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","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":80.17,"price_display":"80.17","price_state":"stated","total_value":400850.0,"total_display":"400,850.00","total_whole":"400,850","shares_owned_after":88798.0,"shares_owned_after_display":"88,798","ownership_form":"D","is_10b5_1":null,"transaction_date":"2017-08-09","filed_date":"2017-08-11","scope":"insider"},{"id":5318510,"accession":"0001209191-17-031623","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-17-031623","line_url":"/filing/0001209191-17-031623#line-1","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":6345.0,"shares_display":"6,345","price_per_share":79.65,"price_display":"79.65","price_state":"stated","total_value":505379.25,"total_display":"505,379.25","total_whole":"505,379","shares_owned_after":96728.0,"shares_owned_after_display":"96,728","ownership_form":"D","is_10b5_1":null,"transaction_date":"2017-05-09","filed_date":"2017-05-11","scope":"insider"},{"id":2141158,"accession":"0001209191-16-149084","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001209191-16-149084","line_url":"/filing/0001209191-16-149084","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":25000.0,"shares_display":"25,000","price_per_share":48.13,"price_display":"48.13","price_state":"stated","total_value":1203250.0,"total_display":"1,203,250.00","total_whole":"1,203,250","shares_owned_after":105764.0,"shares_owned_after_display":"105,764","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-11-07","filed_date":"2016-11-09","scope":"insider","n_lines":2},{"id":2516362,"accession":"0001209191-16-136892","txn_seq":5,"anchor":"line-5","filing_url":"/filing/0001209191-16-136892","line_url":"/filing/0001209191-16-136892#line-5","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","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":43.27,"price_display":"43.27","price_state":"stated","total_value":432700.0,"total_display":"432,700.00","total_whole":"432,700","shares_owned_after":111514.0,"shares_owned_after_display":"111,514","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-08-11","filed_date":"2016-08-12","scope":"insider"},{"id":2516354,"accession":"0001209191-16-136892","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-16-136892","line_url":"/filing/0001209191-16-136892#line-2","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":12000.0,"shares_display":"12,000","price_per_share":43.44,"price_display":"43.44","price_state":"stated","total_value":521280.0,"total_display":"521,280.00","total_whole":"521,280","shares_owned_after":111514.0,"shares_owned_after_display":"111,514","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-08-10","filed_date":"2016-08-12","scope":"insider"},{"id":2996761,"accession":"0001209191-16-120543","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001209191-16-120543","line_url":"/filing/0001209191-16-120543","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":25000.0,"shares_display":"25,000","price_per_share":41.65,"price_display":"41.65","price_state":"stated","total_value":1041250.0,"total_display":"1,041,250.00","total_whole":"1,041,250","shares_owned_after":111514.0,"shares_owned_after_display":"111,514","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-05-12","filed_date":"2016-05-16","scope":"insider","n_lines":2},{"id":2956645,"accession":"0001209191-16-107932","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-16-107932","line_url":"/filing/0001209191-16-107932#line-2","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":22000.0,"shares_display":"22,000","price_per_share":41.86,"price_display":"41.86","price_state":"stated","total_value":920920.0,"total_display":"920,920.00","total_whole":"920,920","shares_owned_after":101349.0,"shares_owned_after_display":"101,349","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-03-09","filed_date":"2016-03-11","scope":"insider"},{"id":7088892,"accession":"0001209191-14-020396","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001209191-14-020396","line_url":"/filing/0001209191-14-020396#line-4","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2800.0,"shares_display":"2,800","price_per_share":47.41,"price_display":"47.41","price_state":"stated","total_value":132748.0,"total_display":"132,748.00","total_whole":"132,748","shares_owned_after":80666.0,"shares_owned_after_display":"80,666","ownership_form":"D","is_10b5_1":null,"transaction_date":"2014-03-12","filed_date":"2014-03-13","scope":"insider"},{"id":7088887,"accession":"0001209191-14-020396","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-14-020396","line_url":"/filing/0001209191-14-020396#line-2","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","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":47.3,"price_display":"47.30","price_state":"stated","total_value":473000.0,"total_display":"473,000.00","total_whole":"473,000","shares_owned_after":80666.0,"shares_owned_after_display":"80,666","ownership_form":"D","is_10b5_1":null,"transaction_date":"2014-03-11","filed_date":"2014-03-13","scope":"insider"},{"id":6439231,"accession":"0001209191-14-016883","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001209191-14-016883","line_url":"/filing/0001209191-14-016883#line-3","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3300.0,"shares_display":"3,300","price_per_share":48.6,"price_display":"48.60","price_state":"stated","total_value":160380.0,"total_display":"160,380.00","total_whole":"160,380","shares_owned_after":80666.0,"shares_owned_after_display":"80,666","ownership_form":"D","is_10b5_1":null,"transaction_date":"2014-03-04","filed_date":"2014-03-04","scope":"insider"},{"id":5561270,"accession":"0001209191-13-026521","txn_seq":5,"anchor":"line-5","filing_url":"/filing/0001209191-13-026521","line_url":"/filing/0001209191-13-026521#line-5","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4654.0,"shares_display":"4,654","price_per_share":30.94,"price_display":"30.94","price_state":"stated","total_value":143994.76,"total_display":"143,994.76","total_whole":"143,995","shares_owned_after":84530.0,"shares_owned_after_display":"84,530","ownership_form":"D","is_10b5_1":null,"transaction_date":"2013-05-15","filed_date":"2013-05-15","scope":"insider"},{"id":5561264,"accession":"0001209191-13-026521","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-13-026521","line_url":"/filing/0001209191-13-026521#line-2","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":20346.0,"shares_display":"20,346","price_per_share":30.66,"price_display":"30.66","price_state":"stated","total_value":623808.36,"total_display":"623,808.36","total_whole":"623,808","shares_owned_after":84530.0,"shares_owned_after_display":"84,530","ownership_form":"D","is_10b5_1":null,"transaction_date":"2013-05-14","filed_date":"2013-05-15","scope":"insider"},{"id":2344094,"accession":"0001209191-12-057508","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-12-057508","line_url":"/filing/0001209191-12-057508#line-2","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":25000.0,"shares_display":"25,000","price_per_share":24.04,"price_display":"24.04","price_state":"stated","total_value":601000.0,"total_display":"601,000.00","total_whole":"601,000","shares_owned_after":52650.0,"shares_owned_after_display":"52,650","ownership_form":"D","is_10b5_1":null,"transaction_date":"2012-12-11","filed_date":"2012-12-13","scope":"insider"},{"id":9085142,"accession":"0001209191-11-030654","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-11-030654","line_url":"/filing/0001209191-11-030654#line-1","is_derivative":false,"issuer_cik":"0001396245","issuer_name":"Grand Canyon Education, Inc.","issuer_ticker":"LOPE","issuer_name_source":null,"issuer_url":"/issuer/0001396245","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":1550.0,"shares_display":"1,550","price_per_share":12.42,"price_display":"12.42","price_state":"stated","total_value":19251.0,"total_display":"19,251.00","total_whole":"19,251","shares_owned_after":2650.0,"shares_owned_after_display":"2,650","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-05-23","filed_date":"2011-05-24","scope":"insider"},{"id":9264187,"accession":"0001209191-07-061983","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-07-061983","line_url":"/filing/0001209191-07-061983#line-1","is_derivative":false,"issuer_cik":"0000929887","issuer_name":"APOLLO GROUP INC","issuer_ticker":"APOL","issuer_name_source":null,"issuer_url":"/issuer/0000929887","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3750.0,"shares_display":"3,750","price_per_share":78.0232,"price_display":"78.02","price_state":"stated","total_value":292587.0,"total_display":"292,587.00","total_whole":"292,587","shares_owned_after":14000.0,"shares_owned_after_display":"14,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2007-10-31","filed_date":"2007-11-05","scope":"insider"},{"id":7386735,"accession":"0001209191-07-061669","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-07-061669","line_url":"/filing/0001209191-07-061669#line-2","is_derivative":false,"issuer_cik":"0000929887","issuer_name":"APOLLO GROUP INC","issuer_ticker":"APOL","issuer_name_source":null,"issuer_url":"/issuer/0000929887","owner_cik":"0001396245","owner_name":"Mildenhall Joseph N","owner_display_name":"Mildenhall Joseph N","owner_url":"/insider/0001396245","role":"Officer (Chief Information Officer)","role_mark":"O","role_mark_label":"Officer (Chief Information Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Information Officer","security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":14000.0,"shares_display":"14,000","price_per_share":78.0232,"price_display":"78.02","price_state":"stated","total_value":1092324.8,"total_display":"1,092,324.80","total_whole":"1,092,325","shares_owned_after":0.0,"shares_owned_after_display":"0","ownership_form":"D","is_10b5_1":null,"transaction_date":"2007-10-31","filed_date":"2007-11-02","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":33,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":1,"open_market":true},{"code":"S","label":"Open-market sale","n":32,"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":33},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001434588","name":"Grand Canyon Education, Inc.","url":"/issuer/0001434588","role":"Officer (Chief Information Officer)","n_filings":26,"first_seen":"2011-05-24","last_seen":"2021-02-24"},{"type":"issuer","type_label":"ISSUER","cik":"0000929887","name":"APOLLO GROUP INC","url":"/issuer/0000929887","role":"Officer (Chief Information Officer)","n_filings":2,"first_seen":"2007-11-02","last_seen":"2007-11-05"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001396245","retrieved_at":"2026-08-23T02:00:03+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-21","last_ingest":"2026-08-22T05:23:40.159918+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"}}