{"entity":{"type":"insider","cik":"0001409789","url":"/insider/0001409789","json_url":"/insider/0001409789.json","name":"Piell Hilda Harris","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":45,"n_filings":34,"first":"2007-11-21","last":"2026-05-19","span_basis":"filed_date"},"name_variants":[{"name":"Piell Hilda Harris","source":"filing","n_filings":34,"first_seen":"2007-11-21","last_seen":"2026-05-19"}],"transactions":[{"id":6035394,"accession":"0001156375-26-000029","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001156375-26-000029","line_url":"/filing/0001156375-26-000029#line-1","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5753.0,"shares_display":"5,753","price_per_share":304.63,"price_display":"304.63","price_state":"stated","total_value":1752536.39,"total_display":"1,752,536.39","total_whole":"1,752,536","shares_owned_after":27702.0,"shares_owned_after_display":"27,702","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-05-18","filed_date":"2026-05-19","scope":"insider"},{"id":5024646,"accession":"0001156375-25-000026","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001156375-25-000026","line_url":"/filing/0001156375-25-000026#line-1","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3984.0,"shares_display":"3,984","price_per_share":250.465,"price_display":"250.46","price_state":"stated","total_value":997852.56,"total_display":"997,852.56","total_whole":"997,853","shares_owned_after":27046.0,"shares_owned_after_display":"27,046","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-02-27","filed_date":"2025-02-28","scope":"insider"},{"id":3161553,"accession":"0001156375-24-000076","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001156375-24-000076","line_url":"/filing/0001156375-24-000076","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":7140.0,"shares_display":"7,140","price_per_share":210.34683907563024,"price_display":"210.35","price_state":"stated","total_value":1501876.431,"total_display":"1,501,876.43","total_whole":"1,501,876","shares_owned_after":29256.0,"shares_owned_after_display":"29,256","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-05-08","filed_date":"2024-05-09","scope":"insider","n_lines":4},{"id":7867192,"accession":"0001156375-23-000131","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001156375-23-000131","line_url":"/filing/0001156375-23-000131#line-1","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4477.0,"shares_display":"4,477","price_per_share":207.98,"price_display":"207.98","price_state":"stated","total_value":931126.46,"total_display":"931,126.46","total_whole":"931,126","shares_owned_after":30900.0,"shares_owned_after_display":"30,900","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-08-07","filed_date":"2023-08-08","scope":"insider"},{"id":6445294,"accession":"0001156375-22-000217","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001156375-22-000217","line_url":"/filing/0001156375-22-000217#line-1","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4901.0,"shares_display":"4,901","price_per_share":203.88,"price_display":"203.88","price_state":"stated","total_value":999215.88,"total_display":"999,215.88","total_whole":"999,216","shares_owned_after":33140.0,"shares_owned_after_display":"33,140","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-08-15","filed_date":"2022-08-16","scope":"insider"},{"id":6479307,"accession":"0001156375-22-000086","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001156375-22-000086","line_url":"/filing/0001156375-22-000086#line-1","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2000.0,"shares_display":"2,000","price_per_share":244.0,"price_display":"244.00","price_state":"stated","total_value":488000.0,"total_display":"488,000.00","total_whole":"488,000","shares_owned_after":36440.0,"shares_owned_after_display":"36,440","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-03-03","filed_date":"2022-03-07","scope":"insider"},{"id":6667242,"accession":"0001156375-22-000072","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001156375-22-000072","line_url":"/filing/0001156375-22-000072#line-1","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1500.0,"shares_display":"1,500","price_per_share":234.0108,"price_display":"234.01","price_state":"stated","total_value":351016.2,"total_display":"351,016.20","total_whole":"351,016","shares_owned_after":38440.0,"shares_owned_after_display":"38,440","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-02-24","filed_date":"2022-02-25","scope":"insider"},{"id":4627885,"accession":"0001156375-21-000155","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001156375-21-000155","line_url":"/filing/0001156375-21-000155#line-1","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2947.0,"shares_display":"2,947","price_per_share":215.0,"price_display":"215.00","price_state":"stated","total_value":633605.0,"total_display":"633,605.00","total_whole":"633,605","shares_owned_after":39940.0,"shares_owned_after_display":"39,940","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-10-19","filed_date":"2021-10-21","scope":"insider"},{"id":5511586,"accession":"0001156375-21-000025","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001156375-21-000025","line_url":"/filing/0001156375-21-000025#line-1","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1500.0,"shares_display":"1,500","price_per_share":213.0,"price_display":"213.00","price_state":"stated","total_value":319500.0,"total_display":"319,500.00","total_whole":"319,500","shares_owned_after":36704.0,"shares_owned_after_display":"36,704","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-03-05","filed_date":"2021-03-09","scope":"insider"},{"id":5511583,"accession":"0001156375-21-000002","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001156375-21-000002","line_url":"/filing/0001156375-21-000002#line-1","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1500.0,"shares_display":"1,500","price_per_share":198.0,"price_display":"198.00","price_state":"stated","total_value":297000.0,"total_display":"297,000.00","total_whole":"297,000","shares_owned_after":38204.0,"shares_owned_after_display":"38,204","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-01-07","filed_date":"2021-01-08","scope":"insider"},{"id":3084344,"accession":"0001156375-20-000130","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001156375-20-000130","line_url":"/filing/0001156375-20-000130#line-1","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2300.0,"shares_display":"2,300","price_per_share":182.0,"price_display":"182.00","price_state":"stated","total_value":418600.0,"total_display":"418,600.00","total_whole":"418,600","shares_owned_after":39704.0,"shares_owned_after_display":"39,704","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-12-21","filed_date":"2020-12-22","scope":"insider"},{"id":8220647,"accession":"0001156375-19-000049","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001156375-19-000049","line_url":"/filing/0001156375-19-000049","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1132.0,"shares_display":"1,132","price_per_share":188.04939929328623,"price_display":"188.05","price_state":"stated","total_value":212871.92,"total_display":"212,871.92","total_whole":"212,872","shares_owned_after":33011.0,"shares_owned_after_display":"33,011","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-05-24","filed_date":"2019-05-29","scope":"insider","n_lines":2},{"id":8001457,"accession":"0001156375-19-000048","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001156375-19-000048","line_url":"/filing/0001156375-19-000048#line-1","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1420.0,"shares_display":"1,420","price_per_share":186.23,"price_display":"186.23","price_state":"stated","total_value":264446.6,"total_display":"264,446.60","total_whole":"264,447","shares_owned_after":33943.0,"shares_owned_after_display":"33,943","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-05-22","filed_date":"2019-05-23","scope":"insider"},{"id":6229413,"accession":"0001156375-18-000087","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001156375-18-000087","line_url":"/filing/0001156375-18-000087#line-1","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1823.0,"shares_display":"1,823","price_per_share":175.0,"price_display":"175.00","price_state":"stated","total_value":319025.0,"total_display":"319,025.00","total_whole":"319,025","shares_owned_after":30176.0,"shares_owned_after_display":"30,176","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-09-04","filed_date":"2018-09-06","scope":"insider"},{"id":6462581,"accession":"0001156375-18-000023","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001156375-18-000023","line_url":"/filing/0001156375-18-000023#line-1","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3299.0,"shares_display":"3,299","price_per_share":163.52,"price_display":"163.52","price_state":"stated","total_value":539452.48,"total_display":"539,452.48","total_whole":"539,452","shares_owned_after":26850.0,"shares_owned_after_display":"26,850","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-02-20","filed_date":"2018-02-22","scope":"insider"},{"id":4866375,"accession":"0001156375-17-000104","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001156375-17-000104","line_url":"/filing/0001156375-17-000104#line-1","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1350.0,"shares_display":"1,350","price_per_share":138.0,"price_display":"138.00","price_state":"stated","total_value":186300.0,"total_display":"186,300.00","total_whole":"186,300","shares_owned_after":30149.0,"shares_owned_after_display":"30,149","ownership_form":"D","is_10b5_1":null,"transaction_date":"2017-10-05","filed_date":"2017-10-10","scope":"insider"},{"id":4897606,"accession":"0001156375-17-000088","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001156375-17-000088","line_url":"/filing/0001156375-17-000088#line-1","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":714.0,"shares_display":"714","price_per_share":129.0,"price_display":"129.00","price_state":"stated","total_value":92106.0,"total_display":"92,106.00","total_whole":"92,106","shares_owned_after":28844.0,"shares_owned_after_display":"28,844","ownership_form":"D","is_10b5_1":null,"transaction_date":"2017-09-06","filed_date":"2017-09-07","scope":"insider"},{"id":4127440,"accession":"0001156375-17-000022","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001156375-17-000022","line_url":"/filing/0001156375-17-000022#line-1","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3043.0,"shares_display":"3,043","price_per_share":124.26,"price_display":"124.26","price_state":"stated","total_value":378123.18,"total_display":"378,123.18","total_whole":"378,123","shares_owned_after":26082.0,"shares_owned_after_display":"26,082","ownership_form":"D","is_10b5_1":null,"transaction_date":"2017-03-14","filed_date":"2017-03-15","scope":"insider"},{"id":2197313,"accession":"0001156375-16-000259","txn_seq":6,"anchor":"line-6","filing_url":"/filing/0001156375-16-000259","line_url":"/filing/0001156375-16-000259","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5850.0,"shares_display":"5,850","price_per_share":120.0,"price_display":"120.00","price_state":"stated","total_value":702000.0,"total_display":"702,000.00","total_whole":"702,000","shares_owned_after":29125.0,"shares_owned_after_display":"29,125","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-12-07","filed_date":"2016-12-08","scope":"insider","n_lines":3},{"id":2845571,"accession":"0001156375-16-000240","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001156375-16-000240","line_url":"/filing/0001156375-16-000240#line-1","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":893.0,"shares_display":"893","price_per_share":110.0,"price_display":"110.00","price_state":"stated","total_value":98230.0,"total_display":"98,230.00","total_whole":"98,230","shares_owned_after":29125.0,"shares_owned_after_display":"29,125","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-09-19","filed_date":"2016-09-21","scope":"insider"},{"id":2090278,"accession":"0001156375-16-000120","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001156375-16-000120","line_url":"/filing/0001156375-16-000120#line-1","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":252.0,"shares_display":"252","price_per_share":95.0,"price_display":"95.00","price_state":"stated","total_value":23940.0,"total_display":"23,940.00","total_whole":"23,940","shares_owned_after":22618.0,"shares_owned_after_display":"22,618","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-03-04","filed_date":"2016-03-07","scope":"insider"},{"id":2912418,"accession":"0001156375-16-000112","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001156375-16-000112","line_url":"/filing/0001156375-16-000112#line-2","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1145.0,"shares_display":"1,145","price_per_share":94.0,"price_display":"94.00","price_state":"stated","total_value":107630.0,"total_display":"107,630.00","total_whole":"107,630","shares_owned_after":22870.0,"shares_owned_after_display":"22,870","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-02-22","filed_date":"2016-02-23","scope":"insider"},{"id":8298941,"accession":"0001156375-15-000008","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001156375-15-000008","line_url":"/filing/0001156375-15-000008#line-2","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1600.0,"shares_display":"1,600","price_per_share":94.0,"price_display":"94.00","price_state":"stated","total_value":150400.0,"total_display":"150,400.00","total_whole":"150,400","shares_owned_after":20136.0,"shares_owned_after_display":"20,136","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-02-06","filed_date":"2015-02-09","scope":"insider"},{"id":6427906,"accession":"0001156375-14-000138","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001156375-14-000138","line_url":"/filing/0001156375-14-000138#line-2","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5825.0,"shares_display":"5,825","price_per_share":89.0,"price_display":"89.00","price_state":"stated","total_value":518425.0,"total_display":"518,425.00","total_whole":"518,425","shares_owned_after":20136.0,"shares_owned_after_display":"20,136","ownership_form":"D","is_10b5_1":null,"transaction_date":"2014-12-08","filed_date":"2014-12-10","scope":"insider"},{"id":6970742,"accession":"0001156375-14-000105","txn_seq":8,"anchor":"line-8","filing_url":"/filing/0001156375-14-000105","line_url":"/filing/0001156375-14-000105","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5497.0,"shares_display":"5,497","price_per_share":79.41240676732764,"price_display":"79.41","price_state":"stated","total_value":436530.0,"total_display":"436,530.00","total_whole":"436,530","shares_owned_after":20323.0,"shares_owned_after_display":"20,323","ownership_form":"D","is_10b5_1":null,"transaction_date":"2014-09-15","filed_date":"2014-09-16","scope":"insider","n_lines":3},{"id":6379040,"accession":"0001156375-14-000065","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001156375-14-000065","line_url":"/filing/0001156375-14-000065#line-1","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2282.0,"shares_display":"2,282","price_per_share":75.0,"price_display":"75.00","price_state":"stated","total_value":171150.0,"total_display":"171,150.00","total_whole":"171,150","shares_owned_after":18853.0,"shares_owned_after_display":"18,853","ownership_form":"D","is_10b5_1":null,"transaction_date":"2014-07-23","filed_date":"2014-07-24","scope":"insider"},{"id":6427898,"accession":"0001156375-14-000032","txn_seq":6,"anchor":"line-6","filing_url":"/filing/0001156375-14-000032","line_url":"/filing/0001156375-14-000032","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (SR MD and Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (SR MD and Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SR MD and Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4730.0,"shares_display":"4,730","price_per_share":70.0,"price_display":"70.00","price_state":"stated","total_value":331100.0,"total_display":"331,100.00","total_whole":"331,100","shares_owned_after":21135.0,"shares_owned_after_display":"21,135","ownership_form":"D","is_10b5_1":null,"transaction_date":"2014-05-22","filed_date":"2014-05-22","scope":"insider","n_lines":3},{"id":4381600,"accession":"0001156375-13-000144","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001156375-13-000144","line_url":"/filing/0001156375-13-000144#line-2","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4500.0,"shares_display":"4,500","price_per_share":80.0,"price_display":"80.00","price_state":"stated","total_value":360000.0,"total_display":"360,000.00","total_whole":"360,000","shares_owned_after":21236.0,"shares_owned_after_display":"21,236","ownership_form":"D","is_10b5_1":null,"transaction_date":"2013-11-18","filed_date":"2013-11-20","scope":"insider"},{"id":5464403,"accession":"0001156375-13-000073","txn_seq":5,"anchor":"line-5","filing_url":"/filing/0001156375-13-000073","line_url":"/filing/0001156375-13-000073","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5315.0,"shares_display":"5,315","price_per_share":75.0,"price_display":"75.00","price_state":"stated","total_value":398625.0,"total_display":"398,625.00","total_whole":"398,625","shares_owned_after":19600.0,"shares_owned_after_display":"19,600","ownership_form":"D","is_10b5_1":null,"transaction_date":"2013-06-17","filed_date":"2013-06-18","scope":"insider","n_lines":2},{"id":5195476,"accession":"0001156375-13-000065","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001156375-13-000065","line_url":"/filing/0001156375-13-000065#line-2","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2100.0,"shares_display":"2,100","price_per_share":70.0,"price_display":"70.00","price_state":"stated","total_value":147000.0,"total_display":"147,000.00","total_whole":"147,000","shares_owned_after":19667.0,"shares_owned_after_display":"19,667","ownership_form":"D","is_10b5_1":null,"transaction_date":"2013-05-30","filed_date":"2013-06-03","scope":"insider"},{"id":4444270,"accession":"0001156375-13-000051","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001156375-13-000051","line_url":"/filing/0001156375-13-000051#line-2","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2600.0,"shares_display":"2,600","price_per_share":64.78,"price_display":"64.78","price_state":"stated","total_value":168428.0,"total_display":"168,428.00","total_whole":"168,428","shares_owned_after":19667.0,"shares_owned_after_display":"19,667","ownership_form":"D","is_10b5_1":null,"transaction_date":"2013-05-20","filed_date":"2013-05-22","scope":"insider"},{"id":3328127,"accession":"0001156375-12-000125","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001156375-12-000125","line_url":"/filing/0001156375-12-000125#line-2","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (Sr MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (Sr MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Sr MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2857.0,"shares_display":"2,857","price_per_share":53.18,"price_display":"53.18","price_state":"stated","total_value":151935.26,"total_display":"151,935.26","total_whole":"151,935","shares_owned_after":18350.0,"shares_owned_after_display":"18,350","ownership_form":"D","is_10b5_1":null,"transaction_date":"2012-12-12","filed_date":"2012-12-14","scope":"insider"},{"id":7420641,"accession":"0001156375-10-000045","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001156375-10-000045","line_url":"/filing/0001156375-10-000045#line-2","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (MD & Chief HR Officer)","role_mark":"O","role_mark_label":"Officer (MD & Chief HR Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"MD & Chief HR Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":200.0,"shares_display":"200","price_per_share":325.0,"price_display":"325.00","price_state":"stated","total_value":65000.0,"total_display":"65,000.00","total_whole":"65,000","shares_owned_after":844.0,"shares_owned_after_display":"844","ownership_form":"D","is_10b5_1":null,"transaction_date":"2010-04-20","filed_date":"2010-04-21","scope":"insider"},{"id":8512973,"accession":"0001156375-07-000202","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001156375-07-000202","line_url":"/filing/0001156375-07-000202#line-2","is_derivative":false,"issuer_cik":"0001156375","issuer_name":"CME GROUP INC.","issuer_ticker":"CME","issuer_name_source":null,"issuer_url":"/issuer/0001156375","owner_cik":"0001409789","owner_name":"Piell Hilda Harris","owner_display_name":"Piell Hilda Harris","owner_url":"/insider/0001409789","role":"Officer (MD & Chief Org Dev Officer)","role_mark":"O","role_mark_label":"Officer (MD & Chief Org Dev Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"MD & Chief Org Dev Officer","security_title":"Common Stock Class A","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":195.0,"shares_display":"195","price_per_share":658.66,"price_display":"658.66","price_state":"stated","total_value":128438.7,"total_display":"128,438.70","total_whole":"128,439","shares_owned_after":70.0,"shares_owned_after_display":"70","ownership_form":"D","is_10b5_1":null,"transaction_date":"2007-11-20","filed_date":"2007-11-21","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":45,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":0,"open_market":true},{"code":"S","label":"Open-market sale","n":45,"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":45},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001156375","name":"CME GROUP INC.","url":"/issuer/0001156375","role":"Officer (Sr MD & Chief HR Officer)","n_filings":34,"first_seen":"2007-11-21","last_seen":"2026-05-19"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001409789","retrieved_at":"2026-08-22T08:49:35+00:00","coverage":{"filings":1505395,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-21","last_ingest":"2026-08-22T05:23:40.159918+00:00","counts_are":{"filings":"estimate","transactions":"estimate","issuers":"estimate","insiders":"estimate"},"source":"SEC EDGAR Form 4 filings, parsed by ebomi","fault":false},"license":{"underlying_records":"US SEC filings are public records of the United States government and are not subject to copyright. The transactional facts in them are not ours to license.","this_presentation":"The parsing, normalisation, curation, and presentation are ebomi's own work.","grant":"undecided","grant_note":"The open licence for ebomi's own layer is an open owner decision (SPEC-20260731T1159Z open question 3: CC BY 4.0 or CC0 with a citation request). Until it is taken, no grant is asserted here.","citation_request":"Balogh, A. Insider trading. Scientific Data 10, 237 (2023)","url":"https://ebomi.com/license"},"fair_use":{"policy":"These JSON endpoints are open and unauthenticated. Please read them at a human pace, identify your client in the User-Agent header, and use the published dataset for bulk work rather than crawling page by page.","bulk_alternative":"doi:10.1038/s41597-023-02147-6"}}