{"entity":{"type":"insider","cik":"0001402438","url":"/insider/0001402438","json_url":"/insider/0001402438.json","name":"William C. France Family Trust dated November 4, 2004","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":312,"n_filings":250,"first":"2007-10-25","last":"2017-10-10","span_basis":"filed_date"},"name_variants":[{"name":"William C. France Family Trust dated November 4, 2004","source":"filing","n_filings":250,"first_seen":"2007-10-25","last_seen":"2017-10-10"}],"transactions":[{"id":4094617,"accession":"0001225208-17-016125","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-17-016125","line_url":"/filing/0001225208-17-016125#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17340587.271,"shares_owned_after_display":"17,340,587.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-10-09","filed_date":"2017-10-10","scope":"insider"},{"id":4094607,"accession":"0001225208-17-016066","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001225208-17-016066","line_url":"/filing/0001225208-17-016066#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17340525.271,"shares_owned_after_display":"17,340,525.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-10-05","filed_date":"2017-10-06","scope":"insider"},{"id":4094605,"accession":"0001225208-17-016066","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-17-016066","line_url":"/filing/0001225208-17-016066#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17340476.271,"shares_owned_after_display":"17,340,476.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-10-04","filed_date":"2017-10-06","scope":"insider"},{"id":5258314,"accession":"0001225208-17-013844","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-17-013844","line_url":"/filing/0001225208-17-013844#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17340427.271,"shares_owned_after_display":"17,340,427.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-08-10","filed_date":"2017-08-11","scope":"insider"},{"id":4233801,"accession":"0001225208-17-009678","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-17-009678","line_url":"/filing/0001225208-17-009678#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17340052.271,"shares_owned_after_display":"17,340,052.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-05-11","filed_date":"2017-05-15","scope":"insider"},{"id":4875417,"accession":"0001225208-17-007893","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-17-007893","line_url":"/filing/0001225208-17-007893#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17340011.271,"shares_owned_after_display":"17,340,011.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-04-07","filed_date":"2017-04-11","scope":"insider"},{"id":4425635,"accession":"0001225208-17-006878","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-17-006878","line_url":"/filing/0001225208-17-006878#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17339905.271,"shares_owned_after_display":"17,339,905.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-03-24","filed_date":"2017-03-28","scope":"insider"},{"id":5325921,"accession":"0001225208-17-006393","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-17-006393","line_url":"/filing/0001225208-17-006393#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17339871.271,"shares_owned_after_display":"17,339,871.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-03-15","filed_date":"2017-03-16","scope":"insider"},{"id":5185016,"accession":"0001225208-17-004490","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-17-004490","line_url":"/filing/0001225208-17-004490#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17339851.271,"shares_owned_after_display":"17,339,851.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-02-23","filed_date":"2017-02-24","scope":"insider"},{"id":5078047,"accession":"0001225208-17-000905","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-17-000905","line_url":"/filing/0001225208-17-000905#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17339841.271,"shares_owned_after_display":"17,339,841.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-01-06","filed_date":"2017-01-10","scope":"insider"},{"id":4495826,"accession":"0001225208-17-000595","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-17-000595","line_url":"/filing/0001225208-17-000595#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17339796.271,"shares_owned_after_display":"17,339,796.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-01-04","filed_date":"2017-01-05","scope":"insider"},{"id":2797497,"accession":"0001225208-16-043294","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-16-043294","line_url":"/filing/0001225208-16-043294#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17339751.271,"shares_owned_after_display":"17,339,751.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2016-12-13","filed_date":"2016-12-15","scope":"insider"},{"id":2074137,"accession":"0001225208-16-042297","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-16-042297","line_url":"/filing/0001225208-16-042297#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17339702.271,"shares_owned_after_display":"17,339,702.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2016-11-23","filed_date":"2016-11-28","scope":"insider"},{"id":2074035,"accession":"0001225208-16-041646","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-16-041646","line_url":"/filing/0001225208-16-041646#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17339657.271,"shares_owned_after_display":"17,339,657.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2016-11-14","filed_date":"2016-11-14","scope":"insider"},{"id":3301153,"accession":"0001225208-16-035937","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001225208-16-035937","line_url":"/filing/0001225208-16-035937#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17339604.271,"shares_owned_after_display":"17,339,604.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2016-07-01","filed_date":"2016-07-05","scope":"insider"},{"id":2217526,"accession":"0001225208-16-033496","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-16-033496","line_url":"/filing/0001225208-16-033496#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17339598.271,"shares_owned_after_display":"17,339,598.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2016-05-13","filed_date":"2016-05-17","scope":"insider"},{"id":2838304,"accession":"0001225208-16-027478","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-16-027478","line_url":"/filing/0001225208-16-027478#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17339554.271,"shares_owned_after_display":"17,339,554.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2016-02-19","filed_date":"2016-02-23","scope":"insider"},{"id":2258298,"accession":"0001225208-16-024949","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-16-024949","line_url":"/filing/0001225208-16-024949#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17339454.271,"shares_owned_after_display":"17,339,454.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2016-01-28","filed_date":"2016-01-28","scope":"insider"},{"id":2518549,"accession":"0001225208-16-024487","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-16-024487","line_url":"/filing/0001225208-16-024487#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17339266.271,"shares_owned_after_display":"17,339,266.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2016-01-19","filed_date":"2016-01-20","scope":"insider"},{"id":8906779,"accession":"0001225208-15-022868","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-022868","line_url":"/filing/0001225208-15-022868#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17339243.271,"shares_owned_after_display":"17,339,243.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-12-21","filed_date":"2015-12-22","scope":"insider"},{"id":8776098,"accession":"0001225208-15-021848","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-021848","line_url":"/filing/0001225208-15-021848#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17339184.271,"shares_owned_after_display":"17,339,184.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-12-07","filed_date":"2015-12-08","scope":"insider"},{"id":8795088,"accession":"0001225208-15-020014","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-020014","line_url":"/filing/0001225208-15-020014#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17339162.271,"shares_owned_after_display":"17,339,162.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-10-27","filed_date":"2015-10-29","scope":"insider"},{"id":8869781,"accession":"0001225208-15-019317","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-019317","line_url":"/filing/0001225208-15-019317#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17339079.271,"shares_owned_after_display":"17,339,079.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-10-01","filed_date":"2015-10-05","scope":"insider"},{"id":8702951,"accession":"0001225208-15-017709","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-017709","line_url":"/filing/0001225208-15-017709#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17339018.271,"shares_owned_after_display":"17,339,018.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-08-27","filed_date":"2015-08-31","scope":"insider"},{"id":8425306,"accession":"0001225208-15-017344","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001225208-15-017344","line_url":"/filing/0001225208-15-017344#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17338990.271,"shares_owned_after_display":"17,338,990.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-08-20","filed_date":"2015-08-20","scope":"insider"},{"id":8425302,"accession":"0001225208-15-017344","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-017344","line_url":"/filing/0001225208-15-017344#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17338964.271,"shares_owned_after_display":"17,338,964.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-08-19","filed_date":"2015-08-20","scope":"insider"},{"id":8869564,"accession":"0001225208-15-016509","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-016509","line_url":"/filing/0001225208-15-016509#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17338938.271,"shares_owned_after_display":"17,338,938.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-08-03","filed_date":"2015-08-05","scope":"insider"},{"id":8584618,"accession":"0001225208-15-016056","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-016056","line_url":"/filing/0001225208-15-016056#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17338925.271,"shares_owned_after_display":"17,338,925.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-07-27","filed_date":"2015-07-29","scope":"insider"},{"id":8230121,"accession":"0001225208-15-012810","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-012810","line_url":"/filing/0001225208-15-012810#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17338912.271,"shares_owned_after_display":"17,338,912.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-05-26","filed_date":"2015-05-27","scope":"insider"},{"id":8909272,"accession":"0001225208-15-009903","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-009903","line_url":"/filing/0001225208-15-009903#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17338718.271,"shares_owned_after_display":"17,338,718.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-04-08","filed_date":"2015-04-09","scope":"insider"},{"id":8813690,"accession":"0001225208-15-008726","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-008726","line_url":"/filing/0001225208-15-008726#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17338639.271,"shares_owned_after_display":"17,338,639.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-03-26","filed_date":"2015-03-30","scope":"insider"},{"id":8929964,"accession":"0001225208-15-007664","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-007664","line_url":"/filing/0001225208-15-007664#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17338539.271,"shares_owned_after_display":"17,338,539.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-03-10","filed_date":"2015-03-12","scope":"insider"},{"id":8756927,"accession":"0001225208-15-007346","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-007346","line_url":"/filing/0001225208-15-007346#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17338418.271,"shares_owned_after_display":"17,338,418.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-03-06","filed_date":"2015-03-10","scope":"insider"},{"id":8794750,"accession":"0001225208-15-005681","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001225208-15-005681","line_url":"/filing/0001225208-15-005681#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17378556.271,"shares_owned_after_display":"17,378,556.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-02-24","filed_date":"2015-02-25","scope":"insider"},{"id":8794749,"accession":"0001225208-15-005681","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-15-005681","line_url":"/filing/0001225208-15-005681#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17378531.271,"shares_owned_after_display":"17,378,531.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2015-02-23","filed_date":"2015-02-25","scope":"insider"},{"id":6411961,"accession":"0001225208-14-025065","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-025065","line_url":"/filing/0001225208-14-025065#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17378342.271,"shares_owned_after_display":"17,378,342.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-12-12","filed_date":"2014-12-15","scope":"insider"},{"id":6286731,"accession":"0001225208-14-024701","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-024701","line_url":"/filing/0001225208-14-024701#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17378299.271,"shares_owned_after_display":"17,378,299.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-12-09","filed_date":"2014-12-10","scope":"insider"},{"id":6938722,"accession":"0001225208-14-022631","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-022631","line_url":"/filing/0001225208-14-022631#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17378256.271,"shares_owned_after_display":"17,378,256.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-10-31","filed_date":"2014-11-04","scope":"insider"},{"id":6504578,"accession":"0001225208-14-022169","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-022169","line_url":"/filing/0001225208-14-022169#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17377396.271,"shares_owned_after_display":"17,377,396.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-10-28","filed_date":"2014-10-29","scope":"insider"},{"id":6683102,"accession":"0001225208-14-020653","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-020653","line_url":"/filing/0001225208-14-020653#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17377327.271,"shares_owned_after_display":"17,377,327.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-09-30","filed_date":"2014-10-01","scope":"insider"},{"id":6718214,"accession":"0001225208-14-020462","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001225208-14-020462","line_url":"/filing/0001225208-14-020462#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17376927.271,"shares_owned_after_display":"17,376,927.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-09-24","filed_date":"2014-09-25","scope":"insider"},{"id":6718210,"accession":"0001225208-14-020462","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-020462","line_url":"/filing/0001225208-14-020462#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17376827.271,"shares_owned_after_display":"17,376,827.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-09-23","filed_date":"2014-09-25","scope":"insider"},{"id":6918087,"accession":"0001225208-14-020350","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-020350","line_url":"/filing/0001225208-14-020350#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":164.0,"shares_owned_after_display":"164","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-09-22","filed_date":"2014-09-23","scope":"insider"},{"id":6789937,"accession":"0001225208-14-020223","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-020223","line_url":"/filing/0001225208-14-020223#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17376663.271,"shares_owned_after_display":"17,376,663.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-09-18","filed_date":"2014-09-19","scope":"insider"},{"id":6263587,"accession":"0001225208-14-018450","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-018450","line_url":"/filing/0001225208-14-018450#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17376563.271,"shares_owned_after_display":"17,376,563.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-08-12","filed_date":"2014-08-14","scope":"insider"},{"id":6583305,"accession":"0001225208-14-017974","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-017974","line_url":"/filing/0001225208-14-017974#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17376455.271,"shares_owned_after_display":"17,376,455.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-08-01","filed_date":"2014-08-05","scope":"insider"},{"id":6178698,"accession":"0001225208-14-017250","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-017250","line_url":"/filing/0001225208-14-017250#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17376435.271,"shares_owned_after_display":"17,376,435.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-07-16","filed_date":"2014-07-17","scope":"insider"},{"id":6178692,"accession":"0001225208-14-017066","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-017066","line_url":"/filing/0001225208-14-017066#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17376335.271,"shares_owned_after_display":"17,376,335.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-07-15","filed_date":"2014-07-16","scope":"insider"},{"id":7037229,"accession":"0001225208-14-016807","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001225208-14-016807","line_url":"/filing/0001225208-14-016807#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17376217.271,"shares_owned_after_display":"17,376,217.27","ownership_form":"I","is_10b5_1":null,"transaction_date":"2014-07-09","filed_date":"2014-07-09","scope":"insider"},{"id":7037227,"accession":"0001225208-14-016807","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001225208-14-016807","line_url":"/filing/0001225208-14-016807#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":"0001402438","owner_name":"William C. France Family Trust dated November 4, 2004","owner_display_name":"William C. France Family Trust dated November 4, 2004","owner_url":"/insider/0001402438","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":17376103.271,"shares_owned_after_display":"17,376,103.27","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|7037227","ledger_fault":false,"count":{"value":312,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":311,"open_market":true},{"code":"S","label":"Open-market sale","n":1,"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":312},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0000051548","name":"INTERNATIONAL SPEEDWAY CORP","url":"/issuer/0000051548","role":"Ten percent owner, Other","n_filings":250,"first_seen":"2007-10-25","last_seen":"2017-10-10"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001402438","retrieved_at":"2026-08-27T16:55:34+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-26","last_ingest":"2026-08-27T05:24:39.644631+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"}}