{"entity":{"type":"insider","cik":"0001343543","url":"/insider/0001343543","json_url":"/insider/0001343543.json","name":"Gregory Philip D","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":241,"n_filings":120,"first":"2006-06-06","last":"2024-01-09","span_basis":"filed_date"},"name_variants":[{"name":"Gregory Philip D","source":"filing","n_filings":120,"first_seen":"2006-06-06","last_seen":"2024-01-09"}],"transactions":[{"id":2252865,"accession":"0001562180-24-000365","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001562180-24-000365","line_url":"/filing/0001562180-24-000365#line-1","is_derivative":false,"issuer_cik":"0001343543","issuer_name":"2seventy bio, Inc.","issuer_ticker":"TSVT","issuer_name_source":null,"issuer_url":"/issuer/0001343543","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":795.0,"shares_display":"795","price_per_share":3.7536,"price_display":"3.75","price_state":"stated","total_value":2984.112,"total_display":"2,984.11","total_whole":"2,984","shares_owned_after":230842.0,"shares_owned_after_display":"230,842","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-01-05","filed_date":"2024-01-09","scope":"insider"},{"id":2480842,"accession":"0001562180-24-000304","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001562180-24-000304","line_url":"/filing/0001562180-24-000304#line-1","is_derivative":false,"issuer_cik":"0001343543","issuer_name":"2seventy bio, Inc.","issuer_ticker":"TSVT","issuer_name_source":null,"issuer_url":"/issuer/0001343543","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":25613.0,"shares_display":"25,613","price_per_share":3.8685,"price_display":"3.87","price_state":"stated","total_value":99083.8905,"total_display":"99,083.89","total_whole":"99,084","shares_owned_after":231637.0,"shares_owned_after_display":"231,637","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-01-03","filed_date":"2024-01-05","scope":"insider"},{"id":8210754,"accession":"0001562180-23-006559","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001562180-23-006559","line_url":"/filing/0001562180-23-006559#line-1","is_derivative":false,"issuer_cik":"0001343543","issuer_name":"2seventy bio, Inc.","issuer_ticker":"TSVT","issuer_name_source":null,"issuer_url":"/issuer/0001343543","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":6159.0,"shares_display":"6,159","price_per_share":5.4865,"price_display":"5.49","price_state":"stated","total_value":33791.3535,"total_display":"33,791.35","total_whole":"33,791","shares_owned_after":257250.0,"shares_owned_after_display":"257,250","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-08-22","filed_date":"2023-08-24","scope":"insider"},{"id":7814263,"accession":"0001562180-23-006221","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001562180-23-006221","line_url":"/filing/0001562180-23-006221#line-1","is_derivative":false,"issuer_cik":"0001343543","issuer_name":"2seventy bio, Inc.","issuer_ticker":"TSVT","issuer_name_source":null,"issuer_url":"/issuer/0001343543","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3966.0,"shares_display":"3,966","price_per_share":6.1257,"price_display":"6.13","price_state":"stated","total_value":24294.5262,"total_display":"24,294.53","total_whole":"24,295","shares_owned_after":263409.0,"shares_owned_after_display":"263,409","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-08-03","filed_date":"2023-08-07","scope":"insider"},{"id":7878575,"accession":"0001562180-23-000485","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001562180-23-000485","line_url":"/filing/0001562180-23-000485#line-1","is_derivative":false,"issuer_cik":"0001343543","issuer_name":"2seventy bio, Inc.","issuer_ticker":"TSVT","issuer_name_source":null,"issuer_url":"/issuer/0001343543","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1076.0,"shares_display":"1,076","price_per_share":10.6281,"price_display":"10.63","price_state":"stated","total_value":11435.8356,"total_display":"11,435.84","total_whole":"11,436","shares_owned_after":99518.0,"shares_owned_after_display":"99,518","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-01-11","filed_date":"2023-01-18","scope":"insider"},{"id":8615378,"accession":"0001562180-23-000357","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001562180-23-000357","line_url":"/filing/0001562180-23-000357#line-1","is_derivative":false,"issuer_cik":"0001343543","issuer_name":"2seventy bio, Inc.","issuer_ticker":"TSVT","issuer_name_source":null,"issuer_url":"/issuer/0001343543","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3794.0,"shares_display":"3,794","price_per_share":10.3347,"price_display":"10.33","price_state":"stated","total_value":39209.8518,"total_display":"39,209.85","total_whole":"39,210","shares_owned_after":100594.0,"shares_owned_after_display":"100,594","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-01-09","filed_date":"2023-01-11","scope":"insider"},{"id":6515517,"accession":"0001562180-22-005950","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001562180-22-005950","line_url":"/filing/0001562180-22-005950#line-1","is_derivative":false,"issuer_cik":"0001343543","issuer_name":"2seventy bio, Inc.","issuer_ticker":"TSVT","issuer_name_source":null,"issuer_url":"/issuer/0001343543","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2407.0,"shares_display":"2,407","price_per_share":16.2325,"price_display":"16.23","price_state":"stated","total_value":39071.6275,"total_display":"39,071.63","total_whole":"39,072","shares_owned_after":104388.0,"shares_owned_after_display":"104,388","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-08-05","filed_date":"2022-08-08","scope":"insider"},{"id":6978344,"accession":"0001562180-22-005710","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001562180-22-005710","line_url":"/filing/0001562180-22-005710#line-1","is_derivative":false,"issuer_cik":"0001343543","issuer_name":"2seventy bio, Inc.","issuer_ticker":"TSVT","issuer_name_source":null,"issuer_url":"/issuer/0001343543","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2365.0,"shares_display":"2,365","price_per_share":13.8099,"price_display":"13.81","price_state":"stated","total_value":32660.4135,"total_display":"32,660.41","total_whole":"32,660","shares_owned_after":106795.0,"shares_owned_after_display":"106,795","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-07-15","filed_date":"2022-07-19","scope":"insider"},{"id":6371424,"accession":"0001562180-22-000410","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001562180-22-000410","line_url":"/filing/0001562180-22-000410#line-1","is_derivative":false,"issuer_cik":"0001343543","issuer_name":"2seventy bio, Inc.","issuer_ticker":"TSVT","issuer_name_source":null,"issuer_url":"/issuer/0001343543","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1452.0,"shares_display":"1,452","price_per_share":23.9078,"price_display":"23.91","price_state":"stated","total_value":34714.1256,"total_display":"34,714.13","total_whole":"34,714","shares_owned_after":61660.0,"shares_owned_after_display":"61,660","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-01-07","filed_date":"2022-01-11","scope":"insider"},{"id":5416087,"accession":"0001562180-21-003232","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001562180-21-003232","line_url":"/filing/0001562180-21-003232#line-1","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":39.0,"shares_display":"39","price_per_share":30.1511,"price_display":"30.15","price_state":"stated","total_value":1175.8929,"total_display":"1,175.89","total_whole":"1,176","shares_owned_after":46829.0,"shares_owned_after_display":"46,829","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-05-03","filed_date":"2021-05-05","scope":"insider"},{"id":4234632,"accession":"0001562180-21-002738","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001562180-21-002738","line_url":"/filing/0001562180-21-002738#line-1","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":39.0,"shares_display":"39","price_per_share":30.2051,"price_display":"30.21","price_state":"stated","total_value":1177.9989,"total_display":"1,178.00","total_whole":"1,178","shares_owned_after":46868.0,"shares_owned_after_display":"46,868","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-04-05","filed_date":"2021-04-07","scope":"insider"},{"id":5415812,"accession":"0001562180-21-001969","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001562180-21-001969","line_url":"/filing/0001562180-21-001969#line-1","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":39.0,"shares_display":"39","price_per_share":29.5819,"price_display":"29.58","price_state":"stated","total_value":1153.6941,"total_display":"1,153.69","total_whole":"1,154","shares_owned_after":46907.0,"shares_owned_after_display":"46,907","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-03-02","filed_date":"2021-03-04","scope":"insider"},{"id":5435791,"accession":"0001562180-21-001273","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001562180-21-001273","line_url":"/filing/0001562180-21-001273#line-3","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":664.0,"shares_display":"664","price_per_share":28.1613,"price_display":"28.16","price_state":"stated","total_value":18699.1032,"total_display":"18,699.10","total_whole":"18,699","shares_owned_after":46946.0,"shares_owned_after_display":"46,946","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-02-17","filed_date":"2021-02-18","scope":"insider"},{"id":5324636,"accession":"0001562180-21-000908","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001562180-21-000908","line_url":"/filing/0001562180-21-000908#line-1","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":59.0,"shares_display":"59","price_per_share":45.9253,"price_display":"45.93","price_state":"stated","total_value":2709.5927,"total_display":"2,709.59","total_whole":"2,710","shares_owned_after":32948.0,"shares_owned_after_display":"32,948","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-02-02","filed_date":"2021-02-04","scope":"insider"},{"id":5106016,"accession":"0001562180-21-000263","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001562180-21-000263","line_url":"/filing/0001562180-21-000263","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2754.0,"shares_display":"2,754","price_per_share":45.05346013071895,"price_display":"45.05","price_state":"stated","total_value":124077.2292,"total_display":"124,077.23","total_whole":"124,077","shares_owned_after":34159.0,"shares_owned_after_display":"34,159","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-01-06","filed_date":"2021-01-08","scope":"insider","n_lines":2},{"id":5106008,"accession":"0001562180-21-000263","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001562180-21-000263","line_url":"/filing/0001562180-21-000263#line-1","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":45.0,"shares_display":"45","price_per_share":44.9522,"price_display":"44.95","price_state":"stated","total_value":2022.849,"total_display":"2,022.85","total_whole":"2,023","shares_owned_after":35761.0,"shares_owned_after_display":"35,761","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-01-05","filed_date":"2021-01-08","scope":"insider"},{"id":3105566,"accession":"0001562180-20-007079","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001562180-20-007079","line_url":"/filing/0001562180-20-007079","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":59.0,"shares_display":"59","price_per_share":46.20002542372881,"price_display":"46.20","price_state":"stated","total_value":2725.8015,"total_display":"2,725.80","total_whole":"2,726","shares_owned_after":35808.0,"shares_owned_after_display":"35,808","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-12-02","filed_date":"2020-12-04","scope":"insider","n_lines":2},{"id":2270451,"accession":"0001562180-20-006545","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001562180-20-006545","line_url":"/filing/0001562180-20-006545","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":59.0,"shares_display":"59","price_per_share":52.92796779661017,"price_display":"52.93","price_state":"stated","total_value":3122.7501,"total_display":"3,122.75","total_whole":"3,123","shares_owned_after":35881.0,"shares_owned_after_display":"35,881","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-11-02","filed_date":"2020-11-04","scope":"insider","n_lines":3},{"id":2163399,"accession":"0001562180-20-006301","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001562180-20-006301","line_url":"/filing/0001562180-20-006301#line-1","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":60.0,"shares_display":"60","price_per_share":52.765,"price_display":"52.76","price_state":"stated","total_value":3165.9,"total_display":"3,165.90","total_whole":"3,166","shares_owned_after":35924.0,"shares_owned_after_display":"35,924","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-10-02","filed_date":"2020-10-06","scope":"insider"},{"id":2366529,"accession":"0001562180-20-005920","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001562180-20-005920","line_url":"/filing/0001562180-20-005920#line-1","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":58.0,"shares_display":"58","price_per_share":58.6018,"price_display":"58.60","price_state":"stated","total_value":3398.9044,"total_display":"3,398.90","total_whole":"3,399","shares_owned_after":35984.0,"shares_owned_after_display":"35,984","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-09-03","filed_date":"2020-09-08","scope":"insider"},{"id":3225696,"accession":"0001562180-20-005309","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001562180-20-005309","line_url":"/filing/0001562180-20-005309","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":59.0,"shares_display":"59","price_per_share":60.48673389830508,"price_display":"60.49","price_state":"stated","total_value":3568.7173,"total_display":"3,568.72","total_whole":"3,569","shares_owned_after":36057.0,"shares_owned_after_display":"36,057","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-08-03","filed_date":"2020-08-05","scope":"insider","n_lines":2},{"id":2405745,"accession":"0001562180-20-005055","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001562180-20-005055","line_url":"/filing/0001562180-20-005055#line-1","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":59.0,"shares_display":"59","price_per_share":61.5728,"price_display":"61.57","price_state":"stated","total_value":3632.7952,"total_display":"3,632.80","total_whole":"3,633","shares_owned_after":36101.0,"shares_owned_after_display":"36,101","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-07-02","filed_date":"2020-07-07","scope":"insider"},{"id":3150057,"accession":"0001562180-20-004286","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001562180-20-004286","line_url":"/filing/0001562180-20-004286","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":59.0,"shares_display":"59","price_per_share":64.0342440677966,"price_display":"64.03","price_state":"stated","total_value":3778.0204,"total_display":"3,778.02","total_whole":"3,778","shares_owned_after":36160.0,"shares_owned_after_display":"36,160","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-06-02","filed_date":"2020-06-04","scope":"insider","n_lines":2},{"id":2995457,"accession":"0001562180-20-000374","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001562180-20-000374","line_url":"/filing/0001562180-20-000374#line-2","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":600.0,"shares_display":"600","price_per_share":94.0263,"price_display":"94.03","price_state":"stated","total_value":56415.78,"total_display":"56,415.78","total_whole":"56,416","shares_owned_after":24708.0,"shares_owned_after_display":"24,708","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-01-10","filed_date":"2020-01-14","scope":"insider"},{"id":2095828,"accession":"0001562180-20-000307","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001562180-20-000307","line_url":"/filing/0001562180-20-000307#line-1","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4134.0,"shares_display":"4,134","price_per_share":89.9712,"price_display":"89.97","price_state":"stated","total_value":371940.9408,"total_display":"371,940.94","total_whole":"371,941","shares_owned_after":24708.0,"shares_owned_after_display":"24,708","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-01-07","filed_date":"2020-01-09","scope":"insider"},{"id":3068096,"accession":"0001562180-20-000291","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001562180-20-000291","line_url":"/filing/0001562180-20-000291#line-1","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":250.0,"shares_display":"250","price_per_share":86.66,"price_display":"86.66","price_state":"stated","total_value":21665.0,"total_display":"21,665.00","total_whole":"21,665","shares_owned_after":28842.0,"shares_owned_after_display":"28,842","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-01-06","filed_date":"2020-01-08","scope":"insider"},{"id":8268889,"accession":"0001562180-19-006191","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001562180-19-006191","line_url":"/filing/0001562180-19-006191#line-2","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1800.0,"shares_display":"1,800","price_per_share":94.305,"price_display":"94.30","price_state":"stated","total_value":169749.0,"total_display":"169,749.00","total_whole":"169,749","shares_owned_after":29092.0,"shares_owned_after_display":"29,092","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-12-17","filed_date":"2019-12-19","scope":"insider"},{"id":8168804,"accession":"0001209191-19-059719","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-19-059719","line_url":"/filing/0001209191-19-059719#line-1","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":250.0,"shares_display":"250","price_per_share":80.57,"price_display":"80.57","price_state":"stated","total_value":20142.5,"total_display":"20,142.50","total_whole":"20,143","shares_owned_after":29092.0,"shares_owned_after_display":"29,092","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-12-05","filed_date":"2019-12-09","scope":"insider"},{"id":8703650,"accession":"0001209191-19-055660","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-19-055660","line_url":"/filing/0001209191-19-055660#line-1","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":250.0,"shares_display":"250","price_per_share":81.952,"price_display":"81.95","price_state":"stated","total_value":20488.0,"total_display":"20,488.00","total_whole":"20,488","shares_owned_after":29342.0,"shares_owned_after_display":"29,342","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-11-05","filed_date":"2019-11-07","scope":"insider"},{"id":8299547,"accession":"0001209191-19-052814","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-19-052814","line_url":"/filing/0001209191-19-052814#line-1","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":250.0,"shares_display":"250","price_per_share":89.0666,"price_display":"89.07","price_state":"stated","total_value":22266.65,"total_display":"22,266.65","total_whole":"22,267","shares_owned_after":29592.0,"shares_owned_after_display":"29,592","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-10-07","filed_date":"2019-10-09","scope":"insider"},{"id":8010304,"accession":"0001209191-19-048915","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-19-048915","line_url":"/filing/0001209191-19-048915#line-2","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":850.0,"shares_display":"850","price_per_share":101.1975,"price_display":"101.20","price_state":"stated","total_value":86017.875,"total_display":"86,017.88","total_whole":"86,018","shares_owned_after":29842.0,"shares_owned_after_display":"29,842","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-09-05","filed_date":"2019-09-09","scope":"insider"},{"id":8646999,"accession":"0001209191-19-045489","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-19-045489","line_url":"/filing/0001209191-19-045489#line-2","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":950.0,"shares_display":"950","price_per_share":124.0254,"price_display":"124.03","price_state":"stated","total_value":117824.13,"total_display":"117,824.13","total_whole":"117,824","shares_owned_after":30092.0,"shares_owned_after_display":"30,092","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-08-08","filed_date":"2019-08-12","scope":"insider"},{"id":8676775,"accession":"0001209191-19-044963","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001209191-19-044963","line_url":"/filing/0001209191-19-044963","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":850.0,"shares_display":"850","price_per_share":116.93238235294118,"price_display":"116.93","price_state":"stated","total_value":99392.525,"total_display":"99,392.52","total_whole":"99,393","shares_owned_after":30442.0,"shares_owned_after_display":"30,442","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-08-05","filed_date":"2019-08-07","scope":"insider","n_lines":2},{"id":8120026,"accession":"0001209191-19-041557","txn_seq":6,"anchor":"line-6","filing_url":"/filing/0001209191-19-041557","line_url":"/filing/0001209191-19-041557","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1800.0,"shares_display":"1,800","price_per_share":129.12577272222222,"price_display":"129.13","price_state":"stated","total_value":232426.3909,"total_display":"232,426.39","total_whole":"232,426","shares_owned_after":31303.0,"shares_owned_after_display":"31,303","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-07-05","filed_date":"2019-07-09","scope":"insider","n_lines":4},{"id":8599062,"accession":"0001209191-19-035517","txn_seq":6,"anchor":"line-6","filing_url":"/filing/0001209191-19-035517","line_url":"/filing/0001209191-19-035517","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1800.0,"shares_display":"1,800","price_per_share":128.60455255555556,"price_display":"128.60","price_state":"stated","total_value":231488.1946,"total_display":"231,488.19","total_whole":"231,488","shares_owned_after":31893.0,"shares_owned_after_display":"31,893","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-06-05","filed_date":"2019-06-07","scope":"insider","n_lines":4},{"id":8238310,"accession":"0001209191-19-028237","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001209191-19-028237","line_url":"/filing/0001209191-19-028237","is_derivative":false,"issuer_cik":"0001293971","issuer_name":"bluebird bio, Inc.","issuer_ticker":"BLUE","issuer_name_source":null,"issuer_url":"/issuer/0001293971","owner_cik":"0001343543","owner_name":"Gregory Philip D","owner_display_name":"Gregory Philip D","owner_url":"/insider/0001343543","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1800.0,"shares_display":"1,800","price_per_share":138.43526666666668,"price_display":"138.44","price_state":"stated","total_value":249183.48,"total_display":"249,183.48","total_whole":"249,183","shares_owned_after":32192.0,"shares_owned_after_display":"32,192","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-05-06","filed_date":"2019-05-08","scope":"insider","n_lines":2}],"collapsed":true,"next_cursor":"2019-05-06|8238308","ledger_fault":false,"count":{"value":241,"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":241,"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":241},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001860782","name":"2seventy bio, Inc.","url":"/issuer/0001860782","role":"Officer (Chief Scientific Officer)","n_filings":9,"first_seen":"2022-01-11","last_seen":"2024-01-09"},{"type":"issuer","type_label":"ISSUER","cik":"0001293971","name":"bluebird bio, Inc.","url":"/issuer/0001293971","role":"Officer (Chief Scientific Officer)","n_filings":56,"first_seen":"2016-06-16","last_seen":"2021-05-05"},{"type":"issuer","type_label":"ISSUER","cik":"0001001233","name":"SANGAMO BIOSCIENCES INC","url":"/issuer/0001001233","role":"Officer (SVP of Research & CSO)","n_filings":55,"first_seen":"2006-06-06","last_seen":"2015-06-03"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001343543","retrieved_at":"2026-08-25T06:27:19+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-24","last_ingest":"2026-08-25T05:24:19.374141+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"}}