{"entity":{"type":"insider","cik":"0001508700","url":"/insider/0001508700","json_url":"/insider/0001508700.json","name":"Bates Amelia Lee","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":101,"n_filings":91,"first":"2011-01-12","last":"2017-10-10","span_basis":"filed_date"},"name_variants":[{"name":"Bates Amelia Lee","source":"filing","n_filings":91,"first_seen":"2011-01-12","last_seen":"2017-10-10"}],"transactions":[{"id":4338669,"accession":"0001225208-17-016146","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-17-016146","line_url":"/filing/0001225208-17-016146#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":62.0,"shares_display":"62","price_per_share":40.0,"price_display":"40.00","price_state":"stated","total_value":2480.0,"total_display":"2,480.00","total_whole":"2,480","shares_owned_after":18170140.0,"shares_owned_after_display":"18,170,140","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-10-09","filed_date":"2017-10-10","scope":"insider"},{"id":5000217,"accession":"0001225208-17-016055","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001225208-17-016055","line_url":"/filing/0001225208-17-016055#line-2","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":49.0,"shares_display":"49","price_per_share":37.73,"price_display":"37.73","price_state":"stated","total_value":1848.77,"total_display":"1,848.77","total_whole":"1,849","shares_owned_after":18170078.0,"shares_owned_after_display":"18,170,078","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-10-05","filed_date":"2017-10-06","scope":"insider"},{"id":5000209,"accession":"0001225208-17-016055","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-17-016055","line_url":"/filing/0001225208-17-016055#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":49.0,"shares_display":"49","price_per_share":36.52,"price_display":"36.52","price_state":"stated","total_value":1789.48,"total_display":"1,789.48","total_whole":"1,789","shares_owned_after":18170029.0,"shares_owned_after_display":"18,170,029","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-10-04","filed_date":"2017-10-06","scope":"insider"},{"id":4284124,"accession":"0001225208-17-013899","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-17-013899","line_url":"/filing/0001225208-17-013899#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":375.0,"shares_display":"375","price_per_share":35.06,"price_display":"35.06","price_state":"stated","total_value":13147.5,"total_display":"13,147.50","total_whole":"13,148","shares_owned_after":18169980.0,"shares_owned_after_display":"18,169,980","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-08-10","filed_date":"2017-08-11","scope":"insider"},{"id":5078959,"accession":"0001225208-17-009688","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-17-009688","line_url":"/filing/0001225208-17-009688#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":41.0,"shares_display":"41","price_per_share":36.0,"price_display":"36.00","price_state":"stated","total_value":1476.0,"total_display":"1,476.00","total_whole":"1,476","shares_owned_after":18169605.0,"shares_owned_after_display":"18,169,605","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-05-11","filed_date":"2017-05-15","scope":"insider"},{"id":4368640,"accession":"0001225208-17-007926","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-17-007926","line_url":"/filing/0001225208-17-007926#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":106.0,"shares_display":"106","price_per_share":37.93,"price_display":"37.93","price_state":"stated","total_value":4020.58,"total_display":"4,020.58","total_whole":"4,021","shares_owned_after":18169564.0,"shares_owned_after_display":"18,169,564","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-04-07","filed_date":"2017-04-11","scope":"insider"},{"id":4169709,"accession":"0001225208-17-006906","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-17-006906","line_url":"/filing/0001225208-17-006906#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":34.0,"shares_display":"34","price_per_share":36.35,"price_display":"36.35","price_state":"stated","total_value":1235.9,"total_display":"1,235.90","total_whole":"1,236","shares_owned_after":18169458.0,"shares_owned_after_display":"18,169,458","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-03-24","filed_date":"2017-03-28","scope":"insider"},{"id":5325916,"accession":"0001225208-17-006376","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-17-006376","line_url":"/filing/0001225208-17-006376#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":20.0,"shares_display":"20","price_per_share":36.49,"price_display":"36.49","price_state":"stated","total_value":729.8,"total_display":"729.80","total_whole":"730","shares_owned_after":18169424.0,"shares_owned_after_display":"18,169,424","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-03-15","filed_date":"2017-03-16","scope":"insider"},{"id":4169379,"accession":"0001225208-17-004505","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-17-004505","line_url":"/filing/0001225208-17-004505#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":10.0,"shares_display":"10","price_per_share":38.27,"price_display":"38.27","price_state":"stated","total_value":382.7,"total_display":"382.70","total_whole":"383","shares_owned_after":18169404.0,"shares_owned_after_display":"18,169,404","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-02-23","filed_date":"2017-02-24","scope":"insider"},{"id":4327153,"accession":"0001225208-17-000894","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-17-000894","line_url":"/filing/0001225208-17-000894#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":45.0,"shares_display":"45","price_per_share":37.66,"price_display":"37.66","price_state":"stated","total_value":1694.7,"total_display":"1,694.70","total_whole":"1,695","shares_owned_after":18169394.0,"shares_owned_after_display":"18,169,394","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-01-06","filed_date":"2017-01-10","scope":"insider"},{"id":5184537,"accession":"0001225208-17-000678","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-17-000678","line_url":"/filing/0001225208-17-000678#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":45.0,"shares_display":"45","price_per_share":37.37,"price_display":"37.37","price_state":"stated","total_value":1681.65,"total_display":"1,681.65","total_whole":"1,682","shares_owned_after":18169349.0,"shares_owned_after_display":"18,169,349","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-01-04","filed_date":"2017-01-05","scope":"insider"},{"id":2610592,"accession":"0001225208-16-043250","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-16-043250","line_url":"/filing/0001225208-16-043250#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":49.0,"shares_display":"49","price_per_share":39.11,"price_display":"39.11","price_state":"stated","total_value":1916.39,"total_display":"1,916.39","total_whole":"1,916","shares_owned_after":18169304.0,"shares_owned_after_display":"18,169,304","ownership_form":"I","is_10b5_1":null,"transaction_date":"2016-12-13","filed_date":"2016-12-15","scope":"insider"},{"id":2484126,"accession":"0001225208-16-042253","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-16-042253","line_url":"/filing/0001225208-16-042253#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":45.0,"shares_display":"45","price_per_share":37.43,"price_display":"37.43","price_state":"stated","total_value":1684.35,"total_display":"1,684.35","total_whole":"1,684","shares_owned_after":18169255.0,"shares_owned_after_display":"18,169,255","ownership_form":"I","is_10b5_1":null,"transaction_date":"2016-11-23","filed_date":"2016-11-28","scope":"insider"},{"id":2113724,"accession":"0001225208-16-041593","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-16-041593","line_url":"/filing/0001225208-16-041593#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":53.0,"shares_display":"53","price_per_share":36.75,"price_display":"36.75","price_state":"stated","total_value":1947.75,"total_display":"1,947.75","total_whole":"1,948","shares_owned_after":18169210.0,"shares_owned_after_display":"18,169,210","ownership_form":"I","is_10b5_1":null,"transaction_date":"2016-11-14","filed_date":"2016-11-14","scope":"insider"},{"id":2707583,"accession":"0001225208-16-035939","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001225208-16-035939","line_url":"/filing/0001225208-16-035939#line-2","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":6.0,"shares_display":"6","price_per_share":33.88,"price_display":"33.88","price_state":"stated","total_value":203.28,"total_display":"203.28","total_whole":"203","shares_owned_after":18169157.0,"shares_owned_after_display":"18,169,157","ownership_form":"I","is_10b5_1":null,"transaction_date":"2016-07-01","filed_date":"2016-07-05","scope":"insider"},{"id":2425448,"accession":"0001225208-16-033462","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-16-033462","line_url":"/filing/0001225208-16-033462#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":44.0,"shares_display":"44","price_per_share":32.76,"price_display":"32.76","price_state":"stated","total_value":1441.44,"total_display":"1,441.44","total_whole":"1,441","shares_owned_after":18169151.0,"shares_owned_after_display":"18,169,151","ownership_form":"I","is_10b5_1":null,"transaction_date":"2016-05-13","filed_date":"2016-05-17","scope":"insider"},{"id":3186656,"accession":"0001225208-16-027486","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-16-027486","line_url":"/filing/0001225208-16-027486#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":100.0,"shares_display":"100","price_per_share":34.8,"price_display":"34.80","price_state":"stated","total_value":3480.0,"total_display":"3,480.00","total_whole":"3,480","shares_owned_after":18169107.0,"shares_owned_after_display":"18,169,107","ownership_form":"I","is_10b5_1":null,"transaction_date":"2016-02-19","filed_date":"2016-02-23","scope":"insider"},{"id":2930520,"accession":"0001225208-16-024914","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-16-024914","line_url":"/filing/0001225208-16-024914#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":188.0,"shares_display":"188","price_per_share":33.0,"price_display":"33.00","price_state":"stated","total_value":6204.0,"total_display":"6,204.00","total_whole":"6,204","shares_owned_after":18169007.0,"shares_owned_after_display":"18,169,007","ownership_form":"I","is_10b5_1":null,"transaction_date":"2016-01-28","filed_date":"2016-01-28","scope":"insider"},{"id":2213444,"accession":"0001225208-16-024452","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-16-024452","line_url":"/filing/0001225208-16-024452#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":23.0,"shares_display":"23","price_per_share":30.8,"price_display":"30.80","price_state":"stated","total_value":708.4,"total_display":"708.40","total_whole":"708","shares_owned_after":18168819.0,"shares_owned_after_display":"18,168,819","ownership_form":"I","is_10b5_1":null,"transaction_date":"2016-01-19","filed_date":"2016-01-20","scope":"insider"},{"id":8805816,"accession":"0001225208-15-022827","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-022827","line_url":"/filing/0001225208-15-022827#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":59.0,"shares_display":"59","price_per_share":33.0,"price_display":"33.00","price_state":"stated","total_value":1947.0,"total_display":"1,947.00","total_whole":"1,947","shares_owned_after":18172456.0,"shares_owned_after_display":"18,172,456","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-12-21","filed_date":"2015-12-22","scope":"insider"},{"id":8230719,"accession":"0001225208-15-021856","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-021856","line_url":"/filing/0001225208-15-021856#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":22.0,"shares_display":"22","price_per_share":35.03,"price_display":"35.03","price_state":"stated","total_value":770.66,"total_display":"770.66","total_whole":"771","shares_owned_after":18172397.0,"shares_owned_after_display":"18,172,397","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-12-07","filed_date":"2015-12-08","scope":"insider"},{"id":8813916,"accession":"0001225208-15-019974","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-019974","line_url":"/filing/0001225208-15-019974#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":83.0,"shares_display":"83","price_per_share":35.74,"price_display":"35.74","price_state":"stated","total_value":2966.42,"total_display":"2,966.42","total_whole":"2,966","shares_owned_after":18172375.0,"shares_owned_after_display":"18,172,375","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-10-27","filed_date":"2015-10-29","scope":"insider"},{"id":8584715,"accession":"0001225208-15-019237","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-019237","line_url":"/filing/0001225208-15-019237#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":61.0,"shares_display":"61","price_per_share":32.54,"price_display":"32.54","price_state":"stated","total_value":1984.94,"total_display":"1,984.94","total_whole":"1,985","shares_owned_after":18172292.0,"shares_owned_after_display":"18,172,292","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-10-01","filed_date":"2015-10-05","scope":"insider"},{"id":8795046,"accession":"0001225208-15-017703","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-017703","line_url":"/filing/0001225208-15-017703#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":28.0,"shares_display":"28","price_per_share":31.6,"price_display":"31.60","price_state":"stated","total_value":884.8,"total_display":"884.80","total_whole":"885","shares_owned_after":18172231.0,"shares_owned_after_display":"18,172,231","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-08-27","filed_date":"2015-08-31","scope":"insider"},{"id":8947846,"accession":"0001225208-15-017348","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001225208-15-017348","line_url":"/filing/0001225208-15-017348#line-2","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":26.0,"shares_display":"26","price_per_share":32.64,"price_display":"32.64","price_state":"stated","total_value":848.64,"total_display":"848.64","total_whole":"849","shares_owned_after":18172203.0,"shares_owned_after_display":"18,172,203","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-08-20","filed_date":"2015-08-20","scope":"insider"},{"id":8947843,"accession":"0001225208-15-017348","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-017348","line_url":"/filing/0001225208-15-017348#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":26.0,"shares_display":"26","price_per_share":33.4,"price_display":"33.40","price_state":"stated","total_value":868.4,"total_display":"868.40","total_whole":"868","shares_owned_after":18172177.0,"shares_owned_after_display":"18,172,177","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-08-19","filed_date":"2015-08-20","scope":"insider"},{"id":8947770,"accession":"0001225208-15-016463","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-016463","line_url":"/filing/0001225208-15-016463#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":13.0,"shares_display":"13","price_per_share":34.0,"price_display":"34.00","price_state":"stated","total_value":442.0,"total_display":"442.00","total_whole":"442","shares_owned_after":18172151.0,"shares_owned_after_display":"18,172,151","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-08-03","filed_date":"2015-08-05","scope":"insider"},{"id":8888962,"accession":"0001225208-15-016039","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-016039","line_url":"/filing/0001225208-15-016039#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":13.0,"shares_display":"13","price_per_share":34.17,"price_display":"34.17","price_state":"stated","total_value":444.21,"total_display":"444.21","total_whole":"444","shares_owned_after":18172138.0,"shares_owned_after_display":"18,172,138","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-07-27","filed_date":"2015-07-29","scope":"insider"},{"id":8947672,"accession":"0001225208-15-012821","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-012821","line_url":"/filing/0001225208-15-012821#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":194.0,"shares_display":"194","price_per_share":37.23,"price_display":"37.23","price_state":"stated","total_value":7222.62,"total_display":"7,222.62","total_whole":"7,223","shares_owned_after":18172125.0,"shares_owned_after_display":"18,172,125","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-05-26","filed_date":"2015-05-27","scope":"insider"},{"id":8192101,"accession":"0001225208-15-009870","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-009870","line_url":"/filing/0001225208-15-009870#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":79.0,"shares_display":"79","price_per_share":35.79,"price_display":"35.79","price_state":"stated","total_value":2827.41,"total_display":"2,827.41","total_whole":"2,827","shares_owned_after":18171931.0,"shares_owned_after_display":"18,171,931","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-04-08","filed_date":"2015-04-09","scope":"insider"},{"id":8805576,"accession":"0001225208-15-008664","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-008664","line_url":"/filing/0001225208-15-008664#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":100.0,"shares_display":"100","price_per_share":33.02,"price_display":"33.02","price_state":"stated","total_value":3302.0,"total_display":"3,302.00","total_whole":"3,302","shares_owned_after":18171852.0,"shares_owned_after_display":"18,171,852","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-03-26","filed_date":"2015-03-30","scope":"insider"},{"id":8229711,"accession":"0001225208-15-007618","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-007618","line_url":"/filing/0001225208-15-007618#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":121.0,"shares_display":"121","price_per_share":31.4,"price_display":"31.40","price_state":"stated","total_value":3799.4,"total_display":"3,799.40","total_whole":"3,799","shares_owned_after":18171752.0,"shares_owned_after_display":"18,171,752","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-03-10","filed_date":"2015-03-12","scope":"insider"},{"id":8909129,"accession":"0001225208-15-007326","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-007326","line_url":"/filing/0001225208-15-007326#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":113.0,"shares_display":"113","price_per_share":32.0,"price_display":"32.00","price_state":"stated","total_value":3616.0,"total_display":"3,616.00","total_whole":"3,616","shares_owned_after":18171631.0,"shares_owned_after_display":"18,171,631","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-03-06","filed_date":"2015-03-10","scope":"insider"},{"id":8869005,"accession":"0001225208-15-005625","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001225208-15-005625","line_url":"/filing/0001225208-15-005625#line-2","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":25.0,"shares_display":"25","price_per_share":31.44,"price_display":"31.44","price_state":"stated","total_value":786.0,"total_display":"786.00","total_whole":"786","shares_owned_after":18171518.0,"shares_owned_after_display":"18,171,518","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-02-24","filed_date":"2015-02-25","scope":"insider"},{"id":8869003,"accession":"0001225208-15-005625","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-005625","line_url":"/filing/0001225208-15-005625#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":25.0,"shares_display":"25","price_per_share":31.5,"price_display":"31.50","price_state":"stated","total_value":787.5,"total_display":"787.50","total_whole":"788","shares_owned_after":18171493.0,"shares_owned_after_display":"18,171,493","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-02-23","filed_date":"2015-02-25","scope":"insider"},{"id":6264055,"accession":"0001225208-14-025031","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-025031","line_url":"/filing/0001225208-14-025031#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":43.0,"shares_display":"43","price_per_share":31.5,"price_display":"31.50","price_state":"stated","total_value":1354.5,"total_display":"1,354.50","total_whole":"1,355","shares_owned_after":18171468.0,"shares_owned_after_display":"18,171,468","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-12-12","filed_date":"2014-12-15","scope":"insider"},{"id":6975081,"accession":"0001225208-14-024664","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-024664","line_url":"/filing/0001225208-14-024664#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":43.0,"shares_display":"43","price_per_share":31.44,"price_display":"31.44","price_state":"stated","total_value":1351.92,"total_display":"1,351.92","total_whole":"1,352","shares_owned_after":18171425.0,"shares_owned_after_display":"18,171,425","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-12-09","filed_date":"2014-12-10","scope":"insider"},{"id":6286484,"accession":"0001225208-14-022556","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-022556","line_url":"/filing/0001225208-14-022556#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":860.0,"shares_display":"860","price_per_share":32.47,"price_display":"32.47","price_state":"stated","total_value":27924.2,"total_display":"27,924.20","total_whole":"27,924","shares_owned_after":18171382.0,"shares_owned_after_display":"18,171,382","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-10-31","filed_date":"2014-11-04","scope":"insider"},{"id":6504572,"accession":"0001225208-14-022132","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-022132","line_url":"/filing/0001225208-14-022132#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":69.0,"shares_display":"69","price_per_share":31.4,"price_display":"31.40","price_state":"stated","total_value":2166.6,"total_display":"2,166.60","total_whole":"2,167","shares_owned_after":18170522.0,"shares_owned_after_display":"18,170,522","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-10-28","filed_date":"2014-10-29","scope":"insider"},{"id":6583646,"accession":"0001225208-14-020707","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-020707","line_url":"/filing/0001225208-14-020707#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":400.0,"shares_display":"400","price_per_share":33.33,"price_display":"33.33","price_state":"stated","total_value":13332.0,"total_display":"13,332.00","total_whole":"13,332","shares_owned_after":18170453.0,"shares_owned_after_display":"18,170,453","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-09-30","filed_date":"2014-10-01","scope":"insider"},{"id":6620511,"accession":"0001225208-14-020436","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001225208-14-020436","line_url":"/filing/0001225208-14-020436#line-2","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":100.0,"shares_display":"100","price_per_share":33.0,"price_display":"33.00","price_state":"stated","total_value":3300.0,"total_display":"3,300.00","total_whole":"3,300","shares_owned_after":18170053.0,"shares_owned_after_display":"18,170,053","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-09-24","filed_date":"2014-09-25","scope":"insider"},{"id":6620506,"accession":"0001225208-14-020436","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-020436","line_url":"/filing/0001225208-14-020436#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":164.0,"shares_display":"164","price_per_share":32.37,"price_display":"32.37","price_state":"stated","total_value":5308.68,"total_display":"5,308.68","total_whole":"5,309","shares_owned_after":18169953.0,"shares_owned_after_display":"18,169,953","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-09-23","filed_date":"2014-09-25","scope":"insider"},{"id":6706881,"accession":"0001225208-14-020315","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-020315","line_url":"/filing/0001225208-14-020315#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":164.0,"shares_display":"164","price_per_share":32.37,"price_display":"32.37","price_state":"stated","total_value":5308.68,"total_display":"5,308.68","total_whole":"5,309","shares_owned_after":18169789.0,"shares_owned_after_display":"18,169,789","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-09-22","filed_date":"2014-09-23","scope":"insider"},{"id":6974592,"accession":"0001225208-14-020187","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-020187","line_url":"/filing/0001225208-14-020187#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":100.0,"shares_display":"100","price_per_share":33.27,"price_display":"33.27","price_state":"stated","total_value":3327.0,"total_display":"3,327.00","total_whole":"3,327","shares_owned_after":18169625.0,"shares_owned_after_display":"18,169,625","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-09-18","filed_date":"2014-09-19","scope":"insider"},{"id":6751129,"accession":"0001225208-14-018430","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-018430","line_url":"/filing/0001225208-14-018430#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":108.0,"shares_display":"108","price_per_share":32.2,"price_display":"32.20","price_state":"stated","total_value":3477.6,"total_display":"3,477.60","total_whole":"3,478","shares_owned_after":18169525.0,"shares_owned_after_display":"18,169,525","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-08-12","filed_date":"2014-08-14","scope":"insider"},{"id":6583299,"accession":"0001225208-14-017939","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-017939","line_url":"/filing/0001225208-14-017939#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":20.0,"shares_display":"20","price_per_share":29.6,"price_display":"29.60","price_state":"stated","total_value":592.0,"total_display":"592.00","total_whole":"592","shares_owned_after":18169417.0,"shares_owned_after_display":"18,169,417","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-08-01","filed_date":"2014-08-05","scope":"insider"},{"id":6178695,"accession":"0001225208-14-017212","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-017212","line_url":"/filing/0001225208-14-017212#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":100.0,"shares_display":"100","price_per_share":32.02,"price_display":"32.02","price_state":"stated","total_value":3202.0,"total_display":"3,202.00","total_whole":"3,202","shares_owned_after":18169397.0,"shares_owned_after_display":"18,169,397","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-07-16","filed_date":"2014-07-17","scope":"insider"},{"id":6380232,"accession":"0001225208-14-017031","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-017031","line_url":"/filing/0001225208-14-017031#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":118.0,"shares_display":"118","price_per_share":32.95,"price_display":"32.95","price_state":"stated","total_value":3888.1,"total_display":"3,888.10","total_whole":"3,888","shares_owned_after":18169297.0,"shares_owned_after_display":"18,169,297","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-07-15","filed_date":"2014-07-16","scope":"insider"},{"id":6263385,"accession":"0001225208-14-016771","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001225208-14-016771","line_url":"/filing/0001225208-14-016771#line-2","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":114.0,"shares_display":"114","price_per_share":34.67,"price_display":"34.67","price_state":"stated","total_value":3952.38,"total_display":"3,952.38","total_whole":"3,952","shares_owned_after":18169179.0,"shares_owned_after_display":"18,169,179","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-07-09","filed_date":"2014-07-09","scope":"insider"},{"id":6263383,"accession":"0001225208-14-016771","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-016771","line_url":"/filing/0001225208-14-016771#line-1","is_derivative":false,"issuer_cik":"0000051548","issuer_name":"INTERNATIONAL SPEEDWAY CORP","issuer_ticker":"ISCAISCB","issuer_name_source":null,"issuer_url":"/issuer/0000051548","owner_cik":"0001508700","owner_name":"Bates Amelia Lee","owner_display_name":"Bates Amelia Lee","owner_url":"/insider/0001508700","role":"Ten percent owner, Other","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class B Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":114.0,"shares_display":"114","price_per_share":33.8,"price_display":"33.80","price_state":"stated","total_value":3853.2,"total_display":"3,853.20","total_whole":"3,853","shares_owned_after":18169065.0,"shares_owned_after_display":"18,169,065","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-07-08","filed_date":"2014-07-09","scope":"insider"}],"collapsed":true,"next_cursor":"2014-07-08|6263383","ledger_fault":false,"count":{"value":101,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":101,"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":101},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0000051548","name":"INTERNATIONAL SPEEDWAY CORP","url":"/issuer/0000051548","role":"Ten percent owner, Other","n_filings":91,"first_seen":"2011-01-12","last_seen":"2017-10-10"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001508700","retrieved_at":"2026-08-26T05:48:39+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"}}