{"entity":{"type":"insider","cik":"0001735220","url":"/insider/0001735220","json_url":"/insider/0001735220.json","name":"CAMPANA DARIO","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":23,"n_filings":1,"first":"2020-10-08","last":"2020-10-08","span_basis":"filed_date"},"name_variants":[{"name":"CAMPANA DARIO","source":"filing","n_filings":1,"first_seen":"2020-10-08","last_seen":"2020-10-08"}],"transactions":[{"id":2838565,"accession":"0001209191-20-054312","txn_seq":23,"anchor":"line-23","filing_url":"/filing/0001209191-20-054312","line_url":"/filing/0001209191-20-054312#line-23","is_derivative":false,"issuer_cik":"0001622229","issuer_name":"Cogent Biosciences, Inc.","issuer_ticker":"COGT","issuer_name_source":null,"issuer_url":"/issuer/0001622229","owner_cik":"0001735220","owner_name":"CAMPANA DARIO","owner_display_name":"CAMPANA DARIO","owner_url":"/insider/0001735220","role":"Ten percent owner","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":98200.0,"shares_display":"98,200","price_per_share":0.4638,"price_display":"0.46","price_state":"stated","total_value":45545.16,"total_display":"45,545.16","total_whole":"45,545","shares_owned_after":3095114.0,"shares_owned_after_display":"3,095,114","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-05-12","filed_date":"2020-10-08","scope":"insider"},{"id":2838562,"accession":"0001209191-20-054312","txn_seq":22,"anchor":"line-22","filing_url":"/filing/0001209191-20-054312","line_url":"/filing/0001209191-20-054312","is_derivative":false,"issuer_cik":"0001622229","issuer_name":"Cogent Biosciences, Inc.","issuer_ticker":"COGT","issuer_name_source":null,"issuer_url":"/issuer/0001622229","owner_cik":"0001735220","owner_name":"CAMPANA DARIO","owner_display_name":"CAMPANA DARIO","owner_url":"/insider/0001735220","role":"Ten percent owner","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":100000.0,"shares_display":"100,000","price_per_share":0.454962315,"price_display":"0.45","price_state":"stated","total_value":45496.2315,"total_display":"45,496.23","total_whole":"45,496","shares_owned_after":3193314.0,"shares_owned_after_display":"3,193,314","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-05-11","filed_date":"2020-10-08","scope":"insider","n_lines":2},{"id":2838555,"accession":"0001209191-20-054312","txn_seq":20,"anchor":"line-20","filing_url":"/filing/0001209191-20-054312","line_url":"/filing/0001209191-20-054312#line-20","is_derivative":false,"issuer_cik":"0001622229","issuer_name":"Cogent Biosciences, Inc.","issuer_ticker":"COGT","issuer_name_source":null,"issuer_url":"/issuer/0001622229","owner_cik":"0001735220","owner_name":"CAMPANA DARIO","owner_display_name":"CAMPANA DARIO","owner_url":"/insider/0001735220","role":"Ten percent owner","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":100000.0,"shares_display":"100,000","price_per_share":0.4639,"price_display":"0.46","price_state":"stated","total_value":46390.0,"total_display":"46,390.00","total_whole":"46,390","shares_owned_after":3293314.0,"shares_owned_after_display":"3,293,314","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-05-08","filed_date":"2020-10-08","scope":"insider"},{"id":2838550,"accession":"0001209191-20-054312","txn_seq":19,"anchor":"line-19","filing_url":"/filing/0001209191-20-054312","line_url":"/filing/0001209191-20-054312#line-19","is_derivative":false,"issuer_cik":"0001622229","issuer_name":"Cogent Biosciences, Inc.","issuer_ticker":"COGT","issuer_name_source":null,"issuer_url":"/issuer/0001622229","owner_cik":"0001735220","owner_name":"CAMPANA DARIO","owner_display_name":"CAMPANA DARIO","owner_url":"/insider/0001735220","role":"Ten percent owner","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":100000.0,"shares_display":"100,000","price_per_share":0.4143,"price_display":"0.41","price_state":"stated","total_value":41430.0,"total_display":"41,430.00","total_whole":"41,430","shares_owned_after":3393314.0,"shares_owned_after_display":"3,393,314","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-05-07","filed_date":"2020-10-08","scope":"insider"},{"id":2838545,"accession":"0001209191-20-054312","txn_seq":18,"anchor":"line-18","filing_url":"/filing/0001209191-20-054312","line_url":"/filing/0001209191-20-054312#line-18","is_derivative":false,"issuer_cik":"0001622229","issuer_name":"Cogent Biosciences, Inc.","issuer_ticker":"COGT","issuer_name_source":null,"issuer_url":"/issuer/0001622229","owner_cik":"0001735220","owner_name":"CAMPANA DARIO","owner_display_name":"CAMPANA DARIO","owner_url":"/insider/0001735220","role":"Ten percent owner","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"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":0.4009,"price_display":"0.40","price_state":"stated","total_value":721.62,"total_display":"721.62","total_whole":"722","shares_owned_after":3493314.0,"shares_owned_after_display":"3,493,314","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-05-06","filed_date":"2020-10-08","scope":"insider"},{"id":2838541,"accession":"0001209191-20-054312","txn_seq":17,"anchor":"line-17","filing_url":"/filing/0001209191-20-054312","line_url":"/filing/0001209191-20-054312#line-17","is_derivative":false,"issuer_cik":"0001622229","issuer_name":"Cogent Biosciences, Inc.","issuer_ticker":"COGT","issuer_name_source":null,"issuer_url":"/issuer/0001622229","owner_cik":"0001735220","owner_name":"CAMPANA DARIO","owner_display_name":"CAMPANA DARIO","owner_url":"/insider/0001735220","role":"Ten percent owner","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":135484.0,"shares_display":"135,484","price_per_share":0.4018,"price_display":"0.40","price_state":"stated","total_value":54437.4712,"total_display":"54,437.47","total_whole":"54,437","shares_owned_after":3495114.0,"shares_owned_after_display":"3,495,114","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-05-05","filed_date":"2020-10-08","scope":"insider"},{"id":2838537,"accession":"0001209191-20-054312","txn_seq":16,"anchor":"line-16","filing_url":"/filing/0001209191-20-054312","line_url":"/filing/0001209191-20-054312#line-16","is_derivative":false,"issuer_cik":"0001622229","issuer_name":"Cogent Biosciences, Inc.","issuer_ticker":"COGT","issuer_name_source":null,"issuer_url":"/issuer/0001622229","owner_cik":"0001735220","owner_name":"CAMPANA DARIO","owner_display_name":"CAMPANA DARIO","owner_url":"/insider/0001735220","role":"Ten percent owner","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4795.0,"shares_display":"4,795","price_per_share":0.4006,"price_display":"0.40","price_state":"stated","total_value":1920.877,"total_display":"1,920.88","total_whole":"1,921","shares_owned_after":3630598.0,"shares_owned_after_display":"3,630,598","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-05-04","filed_date":"2020-10-08","scope":"insider"},{"id":2838533,"accession":"0001209191-20-054312","txn_seq":15,"anchor":"line-15","filing_url":"/filing/0001209191-20-054312","line_url":"/filing/0001209191-20-054312#line-15","is_derivative":false,"issuer_cik":"0001622229","issuer_name":"Cogent Biosciences, Inc.","issuer_ticker":"COGT","issuer_name_source":null,"issuer_url":"/issuer/0001622229","owner_cik":"0001735220","owner_name":"CAMPANA DARIO","owner_display_name":"CAMPANA DARIO","owner_url":"/insider/0001735220","role":"Ten percent owner","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":800.0,"shares_display":"800","price_per_share":0.41,"price_display":"0.41","price_state":"stated","total_value":328.0,"total_display":"328.00","total_whole":"328","shares_owned_after":3635393.0,"shares_owned_after_display":"3,635,393","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-05-01","filed_date":"2020-10-08","scope":"insider"},{"id":2838528,"accession":"0001209191-20-054312","txn_seq":14,"anchor":"line-14","filing_url":"/filing/0001209191-20-054312","line_url":"/filing/0001209191-20-054312#line-14","is_derivative":false,"issuer_cik":"0001622229","issuer_name":"Cogent Biosciences, Inc.","issuer_ticker":"COGT","issuer_name_source":null,"issuer_url":"/issuer/0001622229","owner_cik":"0001735220","owner_name":"CAMPANA DARIO","owner_display_name":"CAMPANA DARIO","owner_url":"/insider/0001735220","role":"Ten percent owner","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":75994.0,"shares_display":"75,994","price_per_share":0.4021,"price_display":"0.40","price_state":"stated","total_value":30557.1874,"total_display":"30,557.19","total_whole":"30,557","shares_owned_after":3636193.0,"shares_owned_after_display":"3,636,193","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-04-30","filed_date":"2020-10-08","scope":"insider"},{"id":2838523,"accession":"0001209191-20-054312","txn_seq":13,"anchor":"line-13","filing_url":"/filing/0001209191-20-054312","line_url":"/filing/0001209191-20-054312#line-13","is_derivative":false,"issuer_cik":"0001622229","issuer_name":"Cogent Biosciences, Inc.","issuer_ticker":"COGT","issuer_name_source":null,"issuer_url":"/issuer/0001622229","owner_cik":"0001735220","owner_name":"CAMPANA DARIO","owner_display_name":"CAMPANA DARIO","owner_url":"/insider/0001735220","role":"Ten percent owner","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":382927.0,"shares_display":"382,927","price_per_share":0.4061,"price_display":"0.41","price_state":"stated","total_value":155506.6547,"total_display":"155,506.65","total_whole":"155,507","shares_owned_after":3712187.0,"shares_owned_after_display":"3,712,187","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-04-29","filed_date":"2020-10-08","scope":"insider"},{"id":2838519,"accession":"0001209191-20-054312","txn_seq":12,"anchor":"line-12","filing_url":"/filing/0001209191-20-054312","line_url":"/filing/0001209191-20-054312#line-12","is_derivative":false,"issuer_cik":"0001622229","issuer_name":"Cogent Biosciences, Inc.","issuer_ticker":"COGT","issuer_name_source":null,"issuer_url":"/issuer/0001622229","owner_cik":"0001735220","owner_name":"CAMPANA DARIO","owner_display_name":"CAMPANA DARIO","owner_url":"/insider/0001735220","role":"Ten percent owner","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":15048.0,"shares_display":"15,048","price_per_share":0.4099,"price_display":"0.41","price_state":"stated","total_value":6168.1752,"total_display":"6,168.18","total_whole":"6,168","shares_owned_after":4095114.0,"shares_owned_after_display":"4,095,114","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-04-28","filed_date":"2020-10-08","scope":"insider"},{"id":2838513,"accession":"0001209191-20-054312","txn_seq":11,"anchor":"line-11","filing_url":"/filing/0001209191-20-054312","line_url":"/filing/0001209191-20-054312#line-11","is_derivative":false,"issuer_cik":"0001622229","issuer_name":"Cogent Biosciences, Inc.","issuer_ticker":"COGT","issuer_name_source":null,"issuer_url":"/issuer/0001622229","owner_cik":"0001735220","owner_name":"CAMPANA DARIO","owner_display_name":"CAMPANA DARIO","owner_url":"/insider/0001735220","role":"Ten percent owner","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":242579.0,"shares_display":"242,579","price_per_share":0.4032,"price_display":"0.40","price_state":"stated","total_value":97807.8528,"total_display":"97,807.85","total_whole":"97,808","shares_owned_after":4110162.0,"shares_owned_after_display":"4,110,162","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-04-27","filed_date":"2020-10-08","scope":"insider"},{"id":2838509,"accession":"0001209191-20-054312","txn_seq":10,"anchor":"line-10","filing_url":"/filing/0001209191-20-054312","line_url":"/filing/0001209191-20-054312#line-10","is_derivative":false,"issuer_cik":"0001622229","issuer_name":"Cogent Biosciences, Inc.","issuer_ticker":"COGT","issuer_name_source":null,"issuer_url":"/issuer/0001622229","owner_cik":"0001735220","owner_name":"CAMPANA DARIO","owner_display_name":"CAMPANA DARIO","owner_url":"/insider/0001735220","role":"Ten percent owner","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":12606.0,"shares_display":"12,606","price_per_share":0.4006,"price_display":"0.40","price_state":"stated","total_value":5049.9636,"total_display":"5,049.96","total_whole":"5,050","shares_owned_after":4352741.0,"shares_owned_after_display":"4,352,741","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-04-20","filed_date":"2020-10-08","scope":"insider"},{"id":2838505,"accession":"0001209191-20-054312","txn_seq":9,"anchor":"line-9","filing_url":"/filing/0001209191-20-054312","line_url":"/filing/0001209191-20-054312#line-9","is_derivative":false,"issuer_cik":"0001622229","issuer_name":"Cogent Biosciences, Inc.","issuer_ticker":"COGT","issuer_name_source":null,"issuer_url":"/issuer/0001622229","owner_cik":"0001735220","owner_name":"CAMPANA DARIO","owner_display_name":"CAMPANA DARIO","owner_url":"/insider/0001735220","role":"Ten percent owner","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":65540.0,"shares_display":"65,540","price_per_share":0.3902,"price_display":"0.39","price_state":"stated","total_value":25573.708,"total_display":"25,573.71","total_whole":"25,574","shares_owned_after":4365347.0,"shares_owned_after_display":"4,365,347","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-04-17","filed_date":"2020-10-08","scope":"insider"},{"id":2838499,"accession":"0001209191-20-054312","txn_seq":8,"anchor":"line-8","filing_url":"/filing/0001209191-20-054312","line_url":"/filing/0001209191-20-054312#line-8","is_derivative":false,"issuer_cik":"0001622229","issuer_name":"Cogent Biosciences, Inc.","issuer_ticker":"COGT","issuer_name_source":null,"issuer_url":"/issuer/0001622229","owner_cik":"0001735220","owner_name":"CAMPANA DARIO","owner_display_name":"CAMPANA DARIO","owner_url":"/insider/0001735220","role":"Ten percent owner","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"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":0.3826,"price_display":"0.38","price_state":"stated","total_value":229.56,"total_display":"229.56","total_whole":"230","shares_owned_after":4430887.0,"shares_owned_after_display":"4,430,887","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-04-16","filed_date":"2020-10-08","scope":"insider"},{"id":2838493,"accession":"0001209191-20-054312","txn_seq":7,"anchor":"line-7","filing_url":"/filing/0001209191-20-054312","line_url":"/filing/0001209191-20-054312#line-7","is_derivative":false,"issuer_cik":"0001622229","issuer_name":"Cogent Biosciences, Inc.","issuer_ticker":"COGT","issuer_name_source":null,"issuer_url":"/issuer/0001622229","owner_cik":"0001735220","owner_name":"CAMPANA DARIO","owner_display_name":"CAMPANA DARIO","owner_url":"/insider/0001735220","role":"Ten percent owner","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":82782.0,"shares_display":"82,782","price_per_share":0.3841,"price_display":"0.38","price_state":"stated","total_value":31796.5662,"total_display":"31,796.57","total_whole":"31,797","shares_owned_after":4431487.0,"shares_owned_after_display":"4,431,487","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-04-15","filed_date":"2020-10-08","scope":"insider"},{"id":2838489,"accession":"0001209191-20-054312","txn_seq":6,"anchor":"line-6","filing_url":"/filing/0001209191-20-054312","line_url":"/filing/0001209191-20-054312","is_derivative":false,"issuer_cik":"0001622229","issuer_name":"Cogent Biosciences, Inc.","issuer_ticker":"COGT","issuer_name_source":null,"issuer_url":"/issuer/0001622229","owner_cik":"0001735220","owner_name":"CAMPANA DARIO","owner_display_name":"CAMPANA DARIO","owner_url":"/insider/0001735220","role":"Ten percent owner","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":98973.0,"shares_display":"98,973","price_per_share":0.40133289685065626,"price_display":"0.40","price_state":"stated","total_value":39721.1208,"total_display":"39,721.12","total_whole":"39,721","shares_owned_after":4558275.0,"shares_owned_after_display":"4,558,275","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-04-14","filed_date":"2020-10-08","scope":"insider","n_lines":2},{"id":2838481,"accession":"0001209191-20-054312","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001209191-20-054312","line_url":"/filing/0001209191-20-054312#line-4","is_derivative":false,"issuer_cik":"0001622229","issuer_name":"Cogent Biosciences, Inc.","issuer_ticker":"COGT","issuer_name_source":null,"issuer_url":"/issuer/0001622229","owner_cik":"0001735220","owner_name":"CAMPANA DARIO","owner_display_name":"CAMPANA DARIO","owner_url":"/insider/0001735220","role":"Ten percent owner","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":420292.0,"shares_display":"420,292","price_per_share":0.3287,"price_display":"0.33","price_state":"stated","total_value":138149.9804,"total_display":"138,149.98","total_whole":"138,150","shares_owned_after":4613242.0,"shares_owned_after_display":"4,613,242","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-04-09","filed_date":"2020-10-08","scope":"insider"},{"id":2838478,"accession":"0001209191-20-054312","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001209191-20-054312","line_url":"/filing/0001209191-20-054312#line-3","is_derivative":false,"issuer_cik":"0001622229","issuer_name":"Cogent Biosciences, Inc.","issuer_ticker":"COGT","issuer_name_source":null,"issuer_url":"/issuer/0001622229","owner_cik":"0001735220","owner_name":"CAMPANA DARIO","owner_display_name":"CAMPANA DARIO","owner_url":"/insider/0001735220","role":"Ten percent owner","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":100.0,"shares_display":"100","price_per_share":0.351,"price_display":"0.35","price_state":"stated","total_value":35.1,"total_display":"35.10","total_whole":"35","shares_owned_after":5033534.0,"shares_owned_after_display":"5,033,534","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-04-08","filed_date":"2020-10-08","scope":"insider"},{"id":2838474,"accession":"0001209191-20-054312","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-20-054312","line_url":"/filing/0001209191-20-054312#line-2","is_derivative":false,"issuer_cik":"0001622229","issuer_name":"Cogent Biosciences, Inc.","issuer_ticker":"COGT","issuer_name_source":null,"issuer_url":"/issuer/0001622229","owner_cik":"0001735220","owner_name":"CAMPANA DARIO","owner_display_name":"CAMPANA DARIO","owner_url":"/insider/0001735220","role":"Ten percent owner","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":11400.0,"shares_display":"11,400","price_per_share":0.35,"price_display":"0.35","price_state":"stated","total_value":3990.0,"total_display":"3,990.00","total_whole":"3,990","shares_owned_after":5033634.0,"shares_owned_after_display":"5,033,634","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-04-07","filed_date":"2020-10-08","scope":"insider"},{"id":2838468,"accession":"0001209191-20-054312","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-20-054312","line_url":"/filing/0001209191-20-054312#line-1","is_derivative":false,"issuer_cik":"0001622229","issuer_name":"Cogent Biosciences, Inc.","issuer_ticker":"COGT","issuer_name_source":null,"issuer_url":"/issuer/0001622229","owner_cik":"0001735220","owner_name":"CAMPANA DARIO","owner_display_name":"CAMPANA DARIO","owner_url":"/insider/0001735220","role":"Ten percent owner","role_mark":"%","role_mark_label":"Ten percent owner","role_mark_generic":"Ten percent owner","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":50080.0,"shares_display":"50,080","price_per_share":0.35,"price_display":"0.35","price_state":"stated","total_value":17528.0,"total_display":"17,528.00","total_whole":"17,528","shares_owned_after":5045034.0,"shares_owned_after_display":"5,045,034","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-04-06","filed_date":"2020-10-08","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":23,"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":23,"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":23},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001622229","name":"Cogent Biosciences, Inc.","url":"/issuer/0001622229","role":"Ten percent owner","n_filings":1,"first_seen":"2020-10-08","last_seen":"2020-10-08"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001735220","retrieved_at":"2026-08-24T01:59:03+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"}}