{"entity":{"type":"insider","cik":"0001671755","url":"/insider/0001671755","json_url":"/insider/0001671755.json","name":"Kalkstein Hobart","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":26,"n_filings":16,"first":"2016-11-29","last":"2024-11-13","span_basis":"filed_date"},"name_variants":[{"name":"Kalkstein Hobart","source":"filing","n_filings":16,"first_seen":"2016-11-29","last_seen":"2024-11-13"}],"transactions":[{"id":2828891,"accession":"0000950170-24-126464","txn_seq":6,"anchor":"line-6","filing_url":"/filing/0000950170-24-126464","line_url":"/filing/0000950170-24-126464","is_derivative":false,"issuer_cik":"0000016040","issuer_name":"CABOT CORP","issuer_ticker":"CBT","issuer_name_source":null,"issuer_url":"/issuer/0000016040","owner_cik":"0001671755","owner_name":"Kalkstein Hobart","owner_display_name":"Kalkstein Hobart","owner_url":"/insider/0001671755","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":34759.0,"shares_display":"34,759","price_per_share":115.22720180097241,"price_display":"115.23","price_state":"stated","total_value":4005182.3074,"total_display":"4,005,182.31","total_whole":"4,005,182","shares_owned_after":50627.0,"shares_owned_after_display":"50,627","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-11-11","filed_date":"2024-11-13","scope":"insider","n_lines":3},{"id":2638264,"accession":"0000950170-24-099553","txn_seq":6,"anchor":"line-6","filing_url":"/filing/0000950170-24-099553","line_url":"/filing/0000950170-24-099553","is_derivative":false,"issuer_cik":"0000016040","issuer_name":"CABOT CORP","issuer_ticker":"CBT","issuer_name_source":null,"issuer_url":"/issuer/0000016040","owner_cik":"0001671755","owner_name":"Kalkstein Hobart","owner_display_name":"Kalkstein Hobart","owner_url":"/insider/0001671755","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5457.0,"shares_display":"5,457","price_per_share":100.58275371083013,"price_display":"100.58","price_state":"stated","total_value":548880.087,"total_display":"548,880.09","total_whole":"548,880","shares_owned_after":61688.0,"shares_owned_after_display":"61,688","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-08-20","filed_date":"2024-08-21","scope":"insider","n_lines":2},{"id":2638240,"accession":"0000950170-24-099553","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000950170-24-099553","line_url":"/filing/0000950170-24-099553#line-2","is_derivative":false,"issuer_cik":"0000016040","issuer_name":"CABOT CORP","issuer_ticker":"CBT","issuer_name_source":null,"issuer_url":"/issuer/0000016040","owner_cik":"0001671755","owner_name":"Kalkstein Hobart","owner_display_name":"Kalkstein Hobart","owner_url":"/insider/0001671755","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":14863.0,"shares_display":"14,863","price_per_share":100.9115,"price_display":"100.91","price_state":"stated","total_value":1499847.6245,"total_display":"1,499,847.62","total_whole":"1,499,848","shares_owned_after":61688.0,"shares_owned_after_display":"61,688","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-08-19","filed_date":"2024-08-21","scope":"insider"},{"id":2636823,"accession":"0000950170-24-061693","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0000950170-24-061693","line_url":"/filing/0000950170-24-061693#line-4","is_derivative":false,"issuer_cik":"0000016040","issuer_name":"CABOT CORP","issuer_ticker":"CBT","issuer_name_source":null,"issuer_url":"/issuer/0000016040","owner_cik":"0001671755","owner_name":"Kalkstein Hobart","owner_display_name":"Kalkstein Hobart","owner_url":"/insider/0001671755","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":12000.0,"shares_display":"12,000","price_per_share":101.5497,"price_display":"101.55","price_state":"stated","total_value":1218596.4,"total_display":"1,218,596.40","total_whole":"1,218,596","shares_owned_after":61688.0,"shares_owned_after_display":"61,688","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-05-16","filed_date":"2024-05-17","scope":"insider"},{"id":2636812,"accession":"0000950170-24-061693","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000950170-24-061693","line_url":"/filing/0000950170-24-061693#line-2","is_derivative":false,"issuer_cik":"0000016040","issuer_name":"CABOT CORP","issuer_ticker":"CBT","issuer_name_source":null,"issuer_url":"/issuer/0000016040","owner_cik":"0001671755","owner_name":"Kalkstein Hobart","owner_display_name":"Kalkstein Hobart","owner_url":"/insider/0001671755","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":187.0,"shares_display":"187","price_per_share":103.0,"price_display":"103.00","price_state":"stated","total_value":19261.0,"total_display":"19,261.00","total_whole":"19,261","shares_owned_after":61688.0,"shares_owned_after_display":"61,688","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-05-15","filed_date":"2024-05-17","scope":"insider"},{"id":3019628,"accession":"0000950170-24-029325","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000950170-24-029325","line_url":"/filing/0000950170-24-029325#line-1","is_derivative":false,"issuer_cik":"0000016040","issuer_name":"CABOT CORP","issuer_ticker":"CBT","issuer_name_source":null,"issuer_url":"/issuer/0000016040","owner_cik":"0001671755","owner_name":"Kalkstein Hobart","owner_display_name":"Kalkstein Hobart","owner_url":"/insider/0001671755","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":7648.0,"shares_display":"7,648","price_per_share":88.0091,"price_display":"88.01","price_state":"stated","total_value":673093.5968,"total_display":"673,093.60","total_whole":"673,094","shares_owned_after":61688.0,"shares_owned_after_display":"61,688","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-03-07","filed_date":"2024-03-11","scope":"insider"},{"id":7801342,"accession":"0000950170-23-063827","txn_seq":5,"anchor":"line-5","filing_url":"/filing/0000950170-23-063827","line_url":"/filing/0000950170-23-063827","is_derivative":false,"issuer_cik":"0000016040","issuer_name":"CABOT CORP","issuer_ticker":"CBT","issuer_name_source":null,"issuer_url":"/issuer/0000016040","owner_cik":"0001671755","owner_name":"Kalkstein Hobart","owner_display_name":"Kalkstein Hobart","owner_url":"/insider/0001671755","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":50692.0,"shares_display":"50,692","price_per_share":73.90412027933402,"price_display":"73.90","price_state":"stated","total_value":3746347.6652,"total_display":"3,746,347.67","total_whole":"3,746,348","shares_owned_after":68383.0,"shares_owned_after_display":"68,383","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-11-10","filed_date":"2023-11-14","scope":"insider","n_lines":2},{"id":8543976,"accession":"0001209191-23-016404","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-23-016404","line_url":"/filing/0001209191-23-016404#line-1","is_derivative":false,"issuer_cik":"0000016040","issuer_name":"CABOT CORP","issuer_ticker":"CBT","issuer_name_source":null,"issuer_url":"/issuer/0000016040","owner_cik":"0001671755","owner_name":"Kalkstein Hobart","owner_display_name":"Kalkstein Hobart","owner_url":"/insider/0001671755","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":10031.0,"shares_display":"10,031","price_per_share":83.0,"price_display":"83.00","price_state":"stated","total_value":832573.0,"total_display":"832,573.00","total_whole":"832,573","shares_owned_after":68383.0,"shares_owned_after_display":"68,383","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-03-03","filed_date":"2023-03-06","scope":"insider"},{"id":6752645,"accession":"0001209191-22-034516","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-22-034516","line_url":"/filing/0001209191-22-034516#line-2","is_derivative":false,"issuer_cik":"0000016040","issuer_name":"CABOT CORP","issuer_ticker":"CBT","issuer_name_source":null,"issuer_url":"/issuer/0000016040","owner_cik":"0001671755","owner_name":"Kalkstein Hobart","owner_display_name":"Kalkstein Hobart","owner_url":"/insider/0001671755","role":"Officer (Senior Vice President)","role_mark":"O","role_mark_label":"Officer (Senior Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Senior Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":17235.0,"shares_display":"17,235","price_per_share":77.864,"price_display":"77.86","price_state":"stated","total_value":1341986.04,"total_display":"1,341,986.04","total_whole":"1,341,986","shares_owned_after":52785.0,"shares_owned_after_display":"52,785","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-06-02","filed_date":"2022-06-06","scope":"insider"},{"id":6120479,"accession":"0001209191-22-010579","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-22-010579","line_url":"/filing/0001209191-22-010579#line-2","is_derivative":false,"issuer_cik":"0000016040","issuer_name":"CABOT CORP","issuer_ticker":"CBT","issuer_name_source":null,"issuer_url":"/issuer/0000016040","owner_cik":"0001671755","owner_name":"Kalkstein Hobart","owner_display_name":"Kalkstein Hobart","owner_url":"/insider/0001671755","role":"Officer (Senior Vice President)","role_mark":"O","role_mark_label":"Officer (Senior Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Senior Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":11805.0,"shares_display":"11,805","price_per_share":73.5,"price_display":"73.50","price_state":"stated","total_value":867667.5,"total_display":"867,667.50","total_whole":"867,668","shares_owned_after":52785.0,"shares_owned_after_display":"52,785","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-02-16","filed_date":"2022-02-17","scope":"insider"},{"id":6508493,"accession":"0001209191-22-009882","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-22-009882","line_url":"/filing/0001209191-22-009882#line-2","is_derivative":false,"issuer_cik":"0000016040","issuer_name":"CABOT CORP","issuer_ticker":"CBT","issuer_name_source":null,"issuer_url":"/issuer/0000016040","owner_cik":"0001671755","owner_name":"Kalkstein Hobart","owner_display_name":"Kalkstein Hobart","owner_url":"/insider/0001671755","role":"Officer (Senior Vice President)","role_mark":"O","role_mark_label":"Officer (Senior Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Senior Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":6753.0,"shares_display":"6,753","price_per_share":50.46,"price_display":"50.46","price_state":"stated","total_value":340756.38,"total_display":"340,756.38","total_whole":"340,756","shares_owned_after":59538.0,"shares_owned_after_display":"59,538","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-02-11","filed_date":"2022-02-15","scope":"insider"},{"id":6565101,"accession":"0001209191-22-008760","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-22-008760","line_url":"/filing/0001209191-22-008760#line-2","is_derivative":false,"issuer_cik":"0000016040","issuer_name":"CABOT CORP","issuer_ticker":"CBT","issuer_name_source":null,"issuer_url":"/issuer/0000016040","owner_cik":"0001671755","owner_name":"Kalkstein Hobart","owner_display_name":"Kalkstein Hobart","owner_url":"/insider/0001671755","role":"Officer (Senior Vice President)","role_mark":"O","role_mark_label":"Officer (Senior Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Senior Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3700.0,"shares_display":"3,700","price_per_share":69.45,"price_display":"69.45","price_state":"stated","total_value":256965.0,"total_display":"256,965.00","total_whole":"256,965","shares_owned_after":52785.0,"shares_owned_after_display":"52,785","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-02-10","filed_date":"2022-02-11","scope":"insider"},{"id":6565097,"accession":"0001209191-22-008760","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-22-008760","line_url":"/filing/0001209191-22-008760#line-1","is_derivative":false,"issuer_cik":"0000016040","issuer_name":"CABOT CORP","issuer_ticker":"CBT","issuer_name_source":null,"issuer_url":"/issuer/0000016040","owner_cik":"0001671755","owner_name":"Kalkstein Hobart","owner_display_name":"Kalkstein Hobart","owner_url":"/insider/0001671755","role":"Officer (Senior Vice President)","role_mark":"O","role_mark_label":"Officer (Senior Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Senior Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":300.0,"shares_display":"300","price_per_share":69.45,"price_display":"69.45","price_state":"stated","total_value":20835.0,"total_display":"20,835.00","total_whole":"20,835","shares_owned_after":56485.0,"shares_owned_after_display":"56,485","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-02-09","filed_date":"2022-02-11","scope":"insider"},{"id":4620826,"accession":"0001209191-21-030843","txn_seq":5,"anchor":"line-5","filing_url":"/filing/0001209191-21-030843","line_url":"/filing/0001209191-21-030843#line-5","is_derivative":false,"issuer_cik":"0000016040","issuer_name":"CABOT CORP","issuer_ticker":"CBT","issuer_name_source":null,"issuer_url":"/issuer/0000016040","owner_cik":"0001671755","owner_name":"Kalkstein Hobart","owner_display_name":"Kalkstein Hobart","owner_url":"/insider/0001671755","role":"Officer (Senior Vice President)","role_mark":"O","role_mark_label":"Officer (Senior Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Senior Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":8242.0,"shares_display":"8,242","price_per_share":62.02,"price_display":"62.02","price_state":"stated","total_value":511168.84,"total_display":"511,168.84","total_whole":"511,169","shares_owned_after":35689.0,"shares_owned_after_display":"35,689","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-05-06","filed_date":"2021-05-07","scope":"insider"},{"id":4620812,"accession":"0001209191-21-030843","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-21-030843","line_url":"/filing/0001209191-21-030843#line-2","is_derivative":false,"issuer_cik":"0000016040","issuer_name":"CABOT CORP","issuer_ticker":"CBT","issuer_name_source":null,"issuer_url":"/issuer/0000016040","owner_cik":"0001671755","owner_name":"Kalkstein Hobart","owner_display_name":"Kalkstein Hobart","owner_url":"/insider/0001671755","role":"Officer (Senior Vice President)","role_mark":"O","role_mark_label":"Officer (Senior Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Senior Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5888.0,"shares_display":"5,888","price_per_share":60.65,"price_display":"60.65","price_state":"stated","total_value":357107.2,"total_display":"357,107.20","total_whole":"357,107","shares_owned_after":38168.0,"shares_owned_after_display":"38,168","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-05-05","filed_date":"2021-05-07","scope":"insider"},{"id":7807588,"accession":"0001209191-19-060717","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-19-060717","line_url":"/filing/0001209191-19-060717#line-2","is_derivative":false,"issuer_cik":"0000016040","issuer_name":"CABOT CORP","issuer_ticker":"CBT","issuer_name_source":null,"issuer_url":"/issuer/0000016040","owner_cik":"0001671755","owner_name":"Kalkstein Hobart","owner_display_name":"Kalkstein Hobart","owner_url":"/insider/0001671755","role":"Officer (Senior Vice President)","role_mark":"O","role_mark_label":"Officer (Senior Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Senior Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1167.0,"shares_display":"1,167","price_per_share":48.75,"price_display":"48.75","price_state":"stated","total_value":56891.25,"total_display":"56,891.25","total_whole":"56,891","shares_owned_after":39787.0,"shares_owned_after_display":"39,787","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-12-13","filed_date":"2019-12-16","scope":"insider"},{"id":7807585,"accession":"0001209191-19-060717","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-19-060717","line_url":"/filing/0001209191-19-060717#line-1","is_derivative":false,"issuer_cik":"0000016040","issuer_name":"CABOT CORP","issuer_ticker":"CBT","issuer_name_source":null,"issuer_url":"/issuer/0000016040","owner_cik":"0001671755","owner_name":"Kalkstein Hobart","owner_display_name":"Kalkstein Hobart","owner_url":"/insider/0001671755","role":"Officer (Senior Vice President)","role_mark":"O","role_mark_label":"Officer (Senior Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Senior Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2833.0,"shares_display":"2,833","price_per_share":48.34,"price_display":"48.34","price_state":"stated","total_value":136947.22,"total_display":"136,947.22","total_whole":"136,947","shares_owned_after":40954.0,"shares_owned_after_display":"40,954","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-12-12","filed_date":"2019-12-16","scope":"insider"},{"id":6236280,"accession":"0001209191-18-036610","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-18-036610","line_url":"/filing/0001209191-18-036610#line-1","is_derivative":false,"issuer_cik":"0000016040","issuer_name":"CABOT CORP","issuer_ticker":"CBT","issuer_name_source":null,"issuer_url":"/issuer/0000016040","owner_cik":"0001671755","owner_name":"Kalkstein Hobart","owner_display_name":"Kalkstein Hobart","owner_url":"/insider/0001671755","role":"Officer (Senior Vice President)","role_mark":"O","role_mark_label":"Officer (Senior Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Senior Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4149.0,"shares_display":"4,149","price_per_share":63.8,"price_display":"63.80","price_state":"stated","total_value":264706.2,"total_display":"264,706.20","total_whole":"264,706","shares_owned_after":26524.0,"shares_owned_after_display":"26,524","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-06-07","filed_date":"2018-06-08","scope":"insider"},{"id":5353244,"accession":"0001209191-17-053122","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-17-053122","line_url":"/filing/0001209191-17-053122#line-2","is_derivative":false,"issuer_cik":"0000016040","issuer_name":"CABOT CORP","issuer_ticker":"CBT","issuer_name_source":null,"issuer_url":"/issuer/0000016040","owner_cik":"0001671755","owner_name":"Kalkstein Hobart","owner_display_name":"Kalkstein Hobart","owner_url":"/insider/0001671755","role":"Officer (Senior Vice President)","role_mark":"O","role_mark_label":"Officer (Senior Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Senior Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3881.0,"shares_display":"3,881","price_per_share":53.39,"price_display":"53.39","price_state":"stated","total_value":207206.59,"total_display":"207,206.59","total_whole":"207,207","shares_owned_after":23855.0,"shares_owned_after_display":"23,855","ownership_form":"D","is_10b5_1":null,"transaction_date":"2017-09-14","filed_date":"2017-09-18","scope":"insider"},{"id":4437709,"accession":"0001209191-17-010400","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001209191-17-010400","line_url":"/filing/0001209191-17-010400#line-4","is_derivative":false,"issuer_cik":"0000016040","issuer_name":"CABOT CORP","issuer_ticker":"CBT","issuer_name_source":null,"issuer_url":"/issuer/0000016040","owner_cik":"0001671755","owner_name":"Kalkstein Hobart","owner_display_name":"Kalkstein Hobart","owner_url":"/insider/0001671755","role":"Officer (Senior Vice President)","role_mark":"O","role_mark_label":"Officer (Senior Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Senior Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3124.0,"shares_display":"3,124","price_per_share":58.12,"price_display":"58.12","price_state":"stated","total_value":181566.88,"total_display":"181,566.88","total_whole":"181,567","shares_owned_after":23855.0,"shares_owned_after_display":"23,855","ownership_form":"D","is_10b5_1":null,"transaction_date":"2017-02-13","filed_date":"2017-02-14","scope":"insider"},{"id":4437702,"accession":"0001209191-17-010400","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-17-010400","line_url":"/filing/0001209191-17-010400#line-2","is_derivative":false,"issuer_cik":"0000016040","issuer_name":"CABOT CORP","issuer_ticker":"CBT","issuer_name_source":null,"issuer_url":"/issuer/0000016040","owner_cik":"0001671755","owner_name":"Kalkstein Hobart","owner_display_name":"Kalkstein Hobart","owner_url":"/insider/0001671755","role":"Officer (Senior Vice President)","role_mark":"O","role_mark_label":"Officer (Senior Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Senior Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4405.0,"shares_display":"4,405","price_per_share":58.2,"price_display":"58.20","price_state":"stated","total_value":256371.0,"total_display":"256,371.00","total_whole":"256,371","shares_owned_after":23855.0,"shares_owned_after_display":"23,855","ownership_form":"D","is_10b5_1":null,"transaction_date":"2017-02-10","filed_date":"2017-02-14","scope":"insider"},{"id":2602388,"accession":"0001209191-16-152305","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-16-152305","line_url":"/filing/0001209191-16-152305#line-2","is_derivative":false,"issuer_cik":"0000016040","issuer_name":"CABOT CORP","issuer_ticker":"CBT","issuer_name_source":null,"issuer_url":"/issuer/0000016040","owner_cik":"0001671755","owner_name":"Kalkstein Hobart","owner_display_name":"Kalkstein Hobart","owner_url":"/insider/0001671755","role":"Officer (Senior Vice President)","role_mark":"O","role_mark_label":"Officer (Senior Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Senior Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4890.0,"shares_display":"4,890","price_per_share":51.8,"price_display":"51.80","price_state":"stated","total_value":253302.0,"total_display":"253,302.00","total_whole":"253,302","shares_owned_after":23855.0,"shares_owned_after_display":"23,855","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-11-25","filed_date":"2016-11-29","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":26,"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":26,"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":26},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0000016040","name":"CABOT CORP","url":"/issuer/0000016040","role":"Officer (Executive Vice President)","n_filings":16,"first_seen":"2016-11-29","last_seen":"2024-11-13"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001671755","retrieved_at":"2026-08-25T23:23:48+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"}}