{"entity":{"type":"insider","cik":"0001663022","url":"/insider/0001663022","json_url":"/insider/0001663022.json","name":"Haviland Kate","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":77,"n_filings":32,"first":"2017-03-16","last":"2025-04-03","span_basis":"filed_date"},"name_variants":[{"name":"Haviland Kate","source":"filing","n_filings":32,"first_seen":"2017-03-16","last_seen":"2025-04-03"}],"transactions":[{"id":4860988,"accession":"0001415889-25-009959","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001415889-25-009959","line_url":"/filing/0001415889-25-009959","is_derivative":false,"issuer_cik":"0001597264","issuer_name":"Blueprint Medicines Corp","issuer_ticker":"BPMC","issuer_name_source":null,"issuer_url":"/issuer/0001597264","owner_cik":"0001663022","owner_name":"Haviland Kate","owner_display_name":"Haviland Kate","owner_url":"/insider/0001663022","role":"Director, Officer (CHIEF EXECUTIVE OFFICER)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CHIEF EXECUTIVE OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2498.0,"shares_display":"2,498","price_per_share":86.65361088871097,"price_display":"86.65","price_state":"stated","total_value":216460.72,"total_display":"216,460.72","total_whole":"216,461","shares_owned_after":166029.0,"shares_owned_after_display":"166,029","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-04-01","filed_date":"2025-04-03","scope":"insider","n_lines":4},{"id":4050745,"accession":"0001415889-25-007384","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001415889-25-007384","line_url":"/filing/0001415889-25-007384#line-1","is_derivative":false,"issuer_cik":"0001597264","issuer_name":"Blueprint Medicines Corp","issuer_ticker":"BPMC","issuer_name_source":null,"issuer_url":"/issuer/0001597264","owner_cik":"0001663022","owner_name":"Haviland Kate","owner_display_name":"Haviland Kate","owner_url":"/insider/0001663022","role":"Officer (CHIEF EXECUTIVE OFFICER)","role_mark":"O","role_mark_label":"Officer (CHIEF EXECUTIVE OFFICER)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CHIEF EXECUTIVE OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":16151.0,"shares_display":"16,151","price_per_share":88.8,"price_display":"88.80","price_state":"stated","total_value":1434208.8,"total_display":"1,434,208.80","total_whole":"1,434,209","shares_owned_after":168427.0,"shares_owned_after_display":"168,427","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-03-05","filed_date":"2025-03-07","scope":"insider"},{"id":4356854,"accession":"0001415889-25-001993","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001415889-25-001993","line_url":"/filing/0001415889-25-001993#line-1","is_derivative":false,"issuer_cik":"0001597264","issuer_name":"Blueprint Medicines Corp","issuer_ticker":"BPMC","issuer_name_source":null,"issuer_url":"/issuer/0001597264","owner_cik":"0001663022","owner_name":"Haviland Kate","owner_display_name":"Haviland Kate","owner_url":"/insider/0001663022","role":"Officer (CHIEF EXECUTIVE OFFICER)","role_mark":"O","role_mark_label":"Officer (CHIEF EXECUTIVE OFFICER)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CHIEF EXECUTIVE OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1446.0,"shares_display":"1,446","price_per_share":110.24,"price_display":"110.24","price_state":"stated","total_value":159407.04,"total_display":"159,407.04","total_whole":"159,407","shares_owned_after":149378.0,"shares_owned_after_display":"149,378","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-01-21","filed_date":"2025-01-23","scope":"insider"},{"id":2223372,"accession":"0001415889-24-028171","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001415889-24-028171","line_url":"/filing/0001415889-24-028171","is_derivative":false,"issuer_cik":"0001597264","issuer_name":"Blueprint Medicines Corp","issuer_ticker":"BPMC","issuer_name_source":null,"issuer_url":"/issuer/0001597264","owner_cik":"0001663022","owner_name":"Haviland Kate","owner_display_name":"Haviland Kate","owner_url":"/insider/0001663022","role":"Officer (CHIEF EXECUTIVE OFFICER)","role_mark":"O","role_mark_label":"Officer (CHIEF EXECUTIVE OFFICER)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CHIEF EXECUTIVE OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2353.0,"shares_display":"2,353","price_per_share":96.60193795155121,"price_display":"96.60","price_state":"stated","total_value":227304.36,"total_display":"227,304.36","total_whole":"227,304","shares_owned_after":151031.0,"shares_owned_after_display":"151,031","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-11-29","filed_date":"2024-12-03","scope":"insider","n_lines":3},{"id":2369337,"accession":"0001415889-24-007560","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001415889-24-007560","line_url":"/filing/0001415889-24-007560#line-1","is_derivative":false,"issuer_cik":"0001597264","issuer_name":"Blueprint Medicines Corp","issuer_ticker":"BPMC","issuer_name_source":null,"issuer_url":"/issuer/0001597264","owner_cik":"0001663022","owner_name":"Haviland Kate","owner_display_name":"Haviland Kate","owner_url":"/insider/0001663022","role":"Officer (CHIEF EXECUTIVE OFFICER)","role_mark":"O","role_mark_label":"Officer (CHIEF EXECUTIVE OFFICER)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CHIEF EXECUTIVE OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":12464.0,"shares_display":"12,464","price_per_share":90.69,"price_display":"90.69","price_state":"stated","total_value":1130360.16,"total_display":"1,130,360.16","total_whole":"1,130,360","shares_owned_after":153177.0,"shares_owned_after_display":"153,177","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-03-07","filed_date":"2024-03-11","scope":"insider"},{"id":8028546,"accession":"0001415889-23-004555","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001415889-23-004555","line_url":"/filing/0001415889-23-004555","is_derivative":false,"issuer_cik":"0001597264","issuer_name":"Blueprint Medicines Corp","issuer_ticker":"BPMC","issuer_name_source":null,"issuer_url":"/issuer/0001597264","owner_cik":"0001663022","owner_name":"Haviland Kate","owner_display_name":"Haviland Kate","owner_url":"/insider/0001663022","role":"Officer (CHIEF EXECUTIVE OFFICER)","role_mark":"O","role_mark_label":"Officer (CHIEF EXECUTIVE OFFICER)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CHIEF EXECUTIVE OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":6640.0,"shares_display":"6,640","price_per_share":45.68583734939759,"price_display":"45.69","price_state":"stated","total_value":303353.96,"total_display":"303,353.96","total_whole":"303,354","shares_owned_after":125853.0,"shares_owned_after_display":"125,853","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-03-06","filed_date":"2023-03-08","scope":"insider","n_lines":2},{"id":6528965,"accession":"0001415889-22-011111","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001415889-22-011111","line_url":"/filing/0001415889-22-011111#line-1","is_derivative":false,"issuer_cik":"0001597264","issuer_name":"Blueprint Medicines Corp","issuer_ticker":"BPMC","issuer_name_source":null,"issuer_url":"/issuer/0001597264","owner_cik":"0001663022","owner_name":"Haviland Kate","owner_display_name":"Haviland Kate","owner_url":"/insider/0001663022","role":"Officer (CHIEF EXECUTIVE OFFICER)","role_mark":"O","role_mark_label":"Officer (CHIEF EXECUTIVE OFFICER)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CHIEF EXECUTIVE OFFICER","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":1100.0,"shares_display":"1,100","price_per_share":43.98,"price_display":"43.98","price_state":"stated","total_value":48378.0,"total_display":"48,378.00","total_whole":"48,378","shares_owned_after":92281.0,"shares_owned_after_display":"92,281","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-11-03","filed_date":"2022-11-07","scope":"insider"},{"id":6315251,"accession":"0001415889-22-002733","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001415889-22-002733","line_url":"/filing/0001415889-22-002733#line-2","is_derivative":false,"issuer_cik":"0001597264","issuer_name":"Blueprint Medicines Corp","issuer_ticker":"BPMC","issuer_name_source":null,"issuer_url":"/issuer/0001597264","owner_cik":"0001663022","owner_name":"Haviland Kate","owner_display_name":"Haviland Kate","owner_url":"/insider/0001663022","role":"Officer (CHIEF OPERATING OFFICER)","role_mark":"O","role_mark_label":"Officer (CHIEF OPERATING OFFICER)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CHIEF OPERATING OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1048.0,"shares_display":"1,048","price_per_share":56.18,"price_display":"56.18","price_state":"stated","total_value":58876.64,"total_display":"58,876.64","total_whole":"58,877","shares_owned_after":91181.0,"shares_owned_after_display":"91,181","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-03-07","filed_date":"2022-03-08","scope":"insider"},{"id":6315249,"accession":"0001415889-22-002733","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001415889-22-002733","line_url":"/filing/0001415889-22-002733#line-1","is_derivative":false,"issuer_cik":"0001597264","issuer_name":"Blueprint Medicines Corp","issuer_ticker":"BPMC","issuer_name_source":null,"issuer_url":"/issuer/0001597264","owner_cik":"0001663022","owner_name":"Haviland Kate","owner_display_name":"Haviland Kate","owner_url":"/insider/0001663022","role":"Officer (CHIEF OPERATING OFFICER)","role_mark":"O","role_mark_label":"Officer (CHIEF OPERATING OFFICER)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CHIEF OPERATING OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1719.0,"shares_display":"1,719","price_per_share":60.27,"price_display":"60.27","price_state":"stated","total_value":103604.13,"total_display":"103,604.13","total_whole":"103,604","shares_owned_after":92229.0,"shares_owned_after_display":"92,229","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-03-03","filed_date":"2022-03-08","scope":"insider"},{"id":5089567,"accession":"0001179110-21-010988","txn_seq":5,"anchor":"line-5","filing_url":"/filing/0001179110-21-010988","line_url":"/filing/0001179110-21-010988","is_derivative":false,"issuer_cik":"0001597264","issuer_name":"Blueprint Medicines Corp","issuer_ticker":"BPMC","issuer_name_source":null,"issuer_url":"/issuer/0001597264","owner_cik":"0001663022","owner_name":"Haviland Kate","owner_display_name":"Haviland Kate","owner_url":"/insider/0001663022","role":"Officer (Chief Operating Officer)","role_mark":"O","role_mark_label":"Officer (Chief Operating Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Operating Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1000.0,"shares_display":"1,000","price_per_share":98.29617,"price_display":"98.30","price_state":"stated","total_value":98296.17,"total_display":"98,296.17","total_whole":"98,296","shares_owned_after":54042.0,"shares_owned_after_display":"54,042","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-12-13","filed_date":"2021-12-15","scope":"insider","n_lines":4},{"id":4551187,"accession":"0001179110-21-008782","txn_seq":6,"anchor":"line-6","filing_url":"/filing/0001179110-21-008782","line_url":"/filing/0001179110-21-008782","is_derivative":false,"issuer_cik":"0001597264","issuer_name":"Blueprint Medicines Corp","issuer_ticker":"BPMC","issuer_name_source":null,"issuer_url":"/issuer/0001597264","owner_cik":"0001663022","owner_name":"Haviland Kate","owner_display_name":"Haviland Kate","owner_url":"/insider/0001663022","role":"Officer (Chief Operating Officer)","role_mark":"O","role_mark_label":"Officer (Chief Operating Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Operating Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1000.0,"shares_display":"1,000","price_per_share":99.93593,"price_display":"99.94","price_state":"stated","total_value":99935.93,"total_display":"99,935.93","total_whole":"99,936","shares_owned_after":53984.0,"shares_owned_after_display":"53,984","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-09-13","filed_date":"2021-09-15","scope":"insider","n_lines":5},{"id":4922329,"accession":"0001179110-21-007172","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001179110-21-007172","line_url":"/filing/0001179110-21-007172","is_derivative":false,"issuer_cik":"0001597264","issuer_name":"Blueprint Medicines Corp","issuer_ticker":"BPMC","issuer_name_source":null,"issuer_url":"/issuer/0001597264","owner_cik":"0001663022","owner_name":"Haviland Kate","owner_display_name":"Haviland Kate","owner_url":"/insider/0001663022","role":"Officer (Chief Operating Officer)","role_mark":"O","role_mark_label":"Officer (Chief Operating Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Operating Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1000.0,"shares_display":"1,000","price_per_share":90.23826,"price_display":"90.24","price_state":"stated","total_value":90238.26,"total_display":"90,238.26","total_whole":"90,238","shares_owned_after":53972.0,"shares_owned_after_display":"53,972","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-06-28","filed_date":"2021-06-30","scope":"insider","n_lines":3},{"id":5256340,"accession":"0001179110-21-003567","txn_seq":6,"anchor":"line-6","filing_url":"/filing/0001179110-21-003567","line_url":"/filing/0001179110-21-003567","is_derivative":false,"issuer_cik":"0001597264","issuer_name":"Blueprint Medicines Corp","issuer_ticker":"BPMC","issuer_name_source":null,"issuer_url":"/issuer/0001597264","owner_cik":"0001663022","owner_name":"Haviland Kate","owner_display_name":"Haviland Kate","owner_url":"/insider/0001663022","role":"Officer (Chief Operating Officer)","role_mark":"O","role_mark_label":"Officer (Chief Operating Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Operating Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1000.0,"shares_display":"1,000","price_per_share":105.60262,"price_display":"105.60","price_state":"stated","total_value":105602.62,"total_display":"105,602.62","total_whole":"105,603","shares_owned_after":54270.0,"shares_owned_after_display":"54,270","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-03-15","filed_date":"2021-03-17","scope":"insider","n_lines":5},{"id":4413210,"accession":"0001179110-21-003011","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001179110-21-003011","line_url":"/filing/0001179110-21-003011","is_derivative":false,"issuer_cik":"0001597264","issuer_name":"Blueprint Medicines Corp","issuer_ticker":"BPMC","issuer_name_source":null,"issuer_url":"/issuer/0001597264","owner_cik":"0001663022","owner_name":"Haviland Kate","owner_display_name":"Haviland Kate","owner_url":"/insider/0001663022","role":"Officer (Chief Operating Officer)","role_mark":"O","role_mark_label":"Officer (Chief Operating Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Operating Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1952.0,"shares_display":"1,952","price_per_share":86.76754098360655,"price_display":"86.77","price_state":"stated","total_value":169370.24,"total_display":"169,370.24","total_whole":"169,370","shares_owned_after":53948.0,"shares_owned_after_display":"53,948","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-03-04","filed_date":"2021-03-05","scope":"insider","n_lines":2},{"id":3293901,"accession":"0001179110-20-011198","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001179110-20-011198","line_url":"/filing/0001179110-20-011198#line-2","is_derivative":false,"issuer_cik":"0001597264","issuer_name":"Blueprint Medicines Corp","issuer_ticker":"BPMC","issuer_name_source":null,"issuer_url":"/issuer/0001597264","owner_cik":"0001663022","owner_name":"Haviland Kate","owner_display_name":"Haviland Kate","owner_url":"/insider/0001663022","role":"Officer (Chief Operating Officer)","role_mark":"O","role_mark_label":"Officer (Chief Operating Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Operating Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":409.0,"shares_display":"409","price_per_share":100.27,"price_display":"100.27","price_state":"stated","total_value":41010.43,"total_display":"41,010.43","total_whole":"41,010","shares_owned_after":42838.0,"shares_owned_after_display":"42,838","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-11-16","filed_date":"2020-11-18","scope":"insider"},{"id":2222988,"accession":"0001179110-20-010601","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001179110-20-010601","line_url":"/filing/0001179110-20-010601","is_derivative":false,"issuer_cik":"0001597264","issuer_name":"Blueprint Medicines Corp","issuer_ticker":"BPMC","issuer_name_source":null,"issuer_url":"/issuer/0001597264","owner_cik":"0001663022","owner_name":"Haviland Kate","owner_display_name":"Haviland Kate","owner_url":"/insider/0001663022","role":"Officer (Chief Operating Officer)","role_mark":"O","role_mark_label":"Officer (Chief Operating Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Operating Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":13334.0,"shares_display":"13,334","price_per_share":101.2335210739463,"price_display":"101.23","price_state":"stated","total_value":1349847.77,"total_display":"1,349,847.77","total_whole":"1,349,848","shares_owned_after":42838.0,"shares_owned_after_display":"42,838","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-10-16","filed_date":"2020-10-20","scope":"insider","n_lines":3},{"id":2114455,"accession":"0001179110-20-009929","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001179110-20-009929","line_url":"/filing/0001179110-20-009929#line-2","is_derivative":false,"issuer_cik":"0001597264","issuer_name":"Blueprint Medicines Corp","issuer_ticker":"BPMC","issuer_name_source":null,"issuer_url":"/issuer/0001597264","owner_cik":"0001663022","owner_name":"Haviland Kate","owner_display_name":"Haviland Kate","owner_url":"/insider/0001663022","role":"Officer (Chief Operating Officer)","role_mark":"O","role_mark_label":"Officer (Chief Operating Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Operating Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3143.0,"shares_display":"3,143","price_per_share":85.49,"price_display":"85.49","price_state":"stated","total_value":268695.07,"total_display":"268,695.07","total_whole":"268,695","shares_owned_after":42838.0,"shares_owned_after_display":"42,838","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-09-22","filed_date":"2020-09-24","scope":"insider"},{"id":2527093,"accession":"0001179110-20-003473","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-20-003473","line_url":"/filing/0001179110-20-003473#line-1","is_derivative":false,"issuer_cik":"0001597264","issuer_name":"Blueprint Medicines Corp","issuer_ticker":"BPMC","issuer_name_source":null,"issuer_url":"/issuer/0001597264","owner_cik":"0001663022","owner_name":"Haviland Kate","owner_display_name":"Haviland Kate","owner_url":"/insider/0001663022","role":"Officer (Chief Operating Officer)","role_mark":"O","role_mark_label":"Officer (Chief Operating Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Operating Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":671.0,"shares_display":"671","price_per_share":51.98,"price_display":"51.98","price_state":"stated","total_value":34878.58,"total_display":"34,878.58","total_whole":"34,879","shares_owned_after":42838.0,"shares_owned_after_display":"42,838","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-03-09","filed_date":"2020-03-11","scope":"insider"},{"id":2574544,"accession":"0001179110-20-000551","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001179110-20-000551","line_url":"/filing/0001179110-20-000551#line-2","is_derivative":false,"issuer_cik":"0001597264","issuer_name":"Blueprint Medicines Corp","issuer_ticker":"BPMC","issuer_name_source":null,"issuer_url":"/issuer/0001597264","owner_cik":"0001663022","owner_name":"Haviland Kate","owner_display_name":"Haviland Kate","owner_url":"/insider/0001663022","role":"Officer (Chief Operating Officer)","role_mark":"O","role_mark_label":"Officer (Chief Operating Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Operating Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":7763.0,"shares_display":"7,763","price_per_share":85.16,"price_display":"85.16","price_state":"stated","total_value":661097.08,"total_display":"661,097.08","total_whole":"661,097","shares_owned_after":15865.0,"shares_owned_after_display":"15,865","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-01-10","filed_date":"2020-01-14","scope":"insider"},{"id":8525030,"accession":"0001179110-19-009747","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001179110-19-009747","line_url":"/filing/0001179110-19-009747#line-2","is_derivative":false,"issuer_cik":"0001597264","issuer_name":"Blueprint Medicines Corp","issuer_ticker":"BPMC","issuer_name_source":null,"issuer_url":"/issuer/0001597264","owner_cik":"0001663022","owner_name":"Haviland Kate","owner_display_name":"Haviland Kate","owner_url":"/insider/0001663022","role":"Officer (Chief Operating Officer)","role_mark":"O","role_mark_label":"Officer (Chief Operating Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Operating Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":95.0,"shares_display":"95","price_per_share":85.0,"price_display":"85.00","price_state":"stated","total_value":8075.0,"total_display":"8,075.00","total_whole":"8,075","shares_owned_after":15865.0,"shares_owned_after_display":"15,865","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-08-19","filed_date":"2019-08-21","scope":"insider"},{"id":8288997,"accession":"0001179110-19-008727","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001179110-19-008727","line_url":"/filing/0001179110-19-008727","is_derivative":false,"issuer_cik":"0001597264","issuer_name":"Blueprint Medicines Corp","issuer_ticker":"BPMC","issuer_name_source":null,"issuer_url":"/issuer/0001597264","owner_cik":"0001663022","owner_name":"Haviland Kate","owner_display_name":"Haviland Kate","owner_url":"/insider/0001663022","role":"Officer (Chief Operating Officer)","role_mark":"O","role_mark_label":"Officer (Chief Operating Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Operating Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1571.0,"shares_display":"1,571","price_per_share":95.47337364735837,"price_display":"95.47","price_state":"stated","total_value":149988.67,"total_display":"149,988.67","total_whole":"149,989","shares_owned_after":16214.0,"shares_owned_after_display":"16,214","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-07-16","filed_date":"2019-07-18","scope":"insider","n_lines":2},{"id":8483842,"accession":"0001179110-19-007896","txn_seq":8,"anchor":"line-8","filing_url":"/filing/0001179110-19-007896","line_url":"/filing/0001179110-19-007896","is_derivative":false,"issuer_cik":"0001597264","issuer_name":"Blueprint Medicines Corp","issuer_ticker":"BPMC","issuer_name_source":null,"issuer_url":"/issuer/0001597264","owner_cik":"0001663022","owner_name":"Haviland Kate","owner_display_name":"Haviland Kate","owner_url":"/insider/0001663022","role":"Officer (Chief Operating Officer)","role_mark":"O","role_mark_label":"Officer (Chief Operating Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Operating Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":11952.0,"shares_display":"11,952","price_per_share":96.45836261713521,"price_display":"96.46","price_state":"stated","total_value":1152870.35,"total_display":"1,152,870.35","total_whole":"1,152,870","shares_owned_after":10793.0,"shares_owned_after_display":"10,793","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-06-17","filed_date":"2019-06-19","scope":"insider","n_lines":6}],"collapsed":true,"next_cursor":"2019-06-17|8483822","ledger_fault":false,"count":{"value":77,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":1,"open_market":true},{"code":"S","label":"Open-market sale","n":76,"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":77},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001597264","name":"Blueprint Medicines Corp","url":"/issuer/0001597264","role":"Director, Officer (CHIEF EXECUTIVE OFFICER)","n_filings":32,"first_seen":"2017-03-16","last_seen":"2025-04-03"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001663022","retrieved_at":"2026-08-24T12:41:09+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-21","last_ingest":"2026-08-22T05:23:40.159918+00:00","counts_are":{"filings":"estimate","transactions":"estimate","issuers":"estimate","insiders":"estimate"},"source":"SEC EDGAR Form 4 filings, parsed by ebomi","fault":false},"license":{"underlying_records":"US SEC filings are public records of the United States government and are not subject to copyright. The transactional facts in them are not ours to license.","this_presentation":"The parsing, normalisation, curation, and presentation are ebomi's own work.","grant":"undecided","grant_note":"The open licence for ebomi's own layer is an open owner decision (SPEC-20260731T1159Z open question 3: CC BY 4.0 or CC0 with a citation request). Until it is taken, no grant is asserted here.","citation_request":"Balogh, A. Insider trading. Scientific Data 10, 237 (2023)","url":"https://ebomi.com/license"},"fair_use":{"policy":"These JSON endpoints are open and unauthenticated. Please read them at a human pace, identify your client in the User-Agent header, and use the published dataset for bulk work rather than crawling page by page.","bulk_alternative":"doi:10.1038/s41597-023-02147-6"}}