{"entity":{"type":"insider","cik":"0001645641","url":"/insider/0001645641","json_url":"/insider/0001645641.json","name":"Cahalan Jay P.","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":44,"n_filings":24,"first":"2015-11-30","last":"2025-10-24","span_basis":"filed_date"},"name_variants":[{"name":"Cahalan Jay P.","source":"filing","n_filings":24,"first_seen":"2015-11-30","last_seen":"2025-10-24"}],"transactions":[{"id":4217235,"accession":"0001437749-25-031724","txn_seq":9,"anchor":"line-9","filing_url":"/filing/0001437749-25-031724","line_url":"/filing/0001437749-25-031724","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":4300.0,"shares_display":"4,300","price_per_share":22.730911627906977,"price_display":"22.73","price_state":"stated","total_value":97742.92,"total_display":"97,742.92","total_whole":"97,743","shares_owned_after":33675.0,"shares_owned_after_display":"33,675","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-10-24","filed_date":"2025-10-24","scope":"insider","n_lines":9},{"id":4434941,"accession":"0001437749-25-005826","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001437749-25-005826","line_url":"/filing/0001437749-25-005826#line-2","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":1800.0,"shares_display":"1,800","price_per_share":26.94,"price_display":"26.94","price_state":"stated","total_value":48492.0,"total_display":"48,492.00","total_whole":"48,492","shares_owned_after":31124.0,"shares_owned_after_display":"31,124","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-02-28","filed_date":"2025-03-03","scope":"insider"},{"id":4434937,"accession":"0001437749-25-005826","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001437749-25-005826","line_url":"/filing/0001437749-25-005826#line-1","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":1944.0,"shares_display":"1,944","price_per_share":26.45,"price_display":"26.45","price_state":"stated","total_value":51418.8,"total_display":"51,418.80","total_whole":"51,419","shares_owned_after":29324.0,"shares_owned_after_display":"29,324","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-02-27","filed_date":"2025-03-03","scope":"insider"},{"id":2054536,"accession":"0001437749-24-017400","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001437749-24-017400","line_url":"/filing/0001437749-24-017400","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","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":7060.0,"shares_display":"7,060","price_per_share":31.65360481586402,"price_display":"31.65","price_state":"stated","total_value":223474.45,"total_display":"223,474.45","total_whole":"223,474","shares_owned_after":4715.0,"shares_owned_after_display":"4,715","ownership_form":"I","is_10b5_1":null,"transaction_date":"2024-05-15","filed_date":"2024-05-17","scope":"insider","n_lines":4},{"id":7849648,"accession":"0001567619-23-004020","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001567619-23-004020","line_url":"/filing/0001567619-23-004020#line-1","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":720.0,"shares_display":"720","price_per_share":56.9548,"price_display":"56.95","price_state":"stated","total_value":41007.456,"total_display":"41,007.46","total_whole":"41,007","shares_owned_after":13690.0,"shares_owned_after_display":"13,690","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-02-28","filed_date":"2023-03-01","scope":"insider"},{"id":6731766,"accession":"0001567619-22-012933","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001567619-22-012933","line_url":"/filing/0001567619-22-012933#line-1","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":1075.0,"shares_display":"1,075","price_per_share":45.0,"price_display":"45.00","price_state":"stated","total_value":48375.0,"total_display":"48,375.00","total_whole":"48,375","shares_owned_after":12970.0,"shares_owned_after_display":"12,970","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-06-14","filed_date":"2022-06-16","scope":"insider"},{"id":6133332,"accession":"0001567619-22-005181","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001567619-22-005181","line_url":"/filing/0001567619-22-005181#line-1","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":770.0,"shares_display":"770","price_per_share":39.0,"price_display":"39.00","price_state":"stated","total_value":30030.0,"total_display":"30,030.00","total_whole":"30,030","shares_owned_after":11895.0,"shares_owned_after_display":"11,895","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-02-17","filed_date":"2022-02-22","scope":"insider"},{"id":5326392,"accession":"0001567619-21-004438","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001567619-21-004438","line_url":"/filing/0001567619-21-004438#line-1","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":610.0,"shares_display":"610","price_per_share":24.25,"price_display":"24.25","price_state":"stated","total_value":14792.5,"total_display":"14,792.50","total_whole":"14,793","shares_owned_after":11125.0,"shares_owned_after_display":"11,125","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-02-17","filed_date":"2021-02-18","scope":"insider"},{"id":4240379,"accession":"0001567619-21-001770","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001567619-21-001770","line_url":"/filing/0001567619-21-001770","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":1150.0,"shares_display":"1,150","price_per_share":24.465314608695653,"price_display":"24.47","price_state":"stated","total_value":28135.1118,"total_display":"28,135.11","total_whole":"28,135","shares_owned_after":10515.0,"shares_owned_after_display":"10,515","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-01-28","filed_date":"2021-02-01","scope":"insider","n_lines":3},{"id":3069910,"accession":"0001567619-20-016086","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001567619-20-016086","line_url":"/filing/0001567619-20-016086#line-3","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":1038.0,"shares_display":"1,038","price_per_share":22.7,"price_display":"22.70","price_state":"stated","total_value":23562.6,"total_display":"23,562.60","total_whole":"23,563","shares_owned_after":9365.0,"shares_owned_after_display":"9,365","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-08-25","filed_date":"2020-08-27","scope":"insider"},{"id":3106741,"accession":"0001567619-20-015791","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001567619-20-015791","line_url":"/filing/0001567619-20-015791#line-1","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":1447.0,"shares_display":"1,447","price_per_share":22.0,"price_display":"22.00","price_state":"stated","total_value":31834.0,"total_display":"31,834.00","total_whole":"31,834","shares_owned_after":8312.0,"shares_owned_after_display":"8,312","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-08-19","filed_date":"2020-08-20","scope":"insider"},{"id":3106226,"accession":"0001567619-20-006371","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001567619-20-006371","line_url":"/filing/0001567619-20-006371","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":750.0,"shares_display":"750","price_per_share":20.7961184,"price_display":"20.80","price_state":"stated","total_value":15597.0888,"total_display":"15,597.09","total_whole":"15,597","shares_owned_after":6865.0,"shares_owned_after_display":"6,865","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-03-13","filed_date":"2020-03-16","scope":"insider","n_lines":2},{"id":3271963,"accession":"0001567619-20-001778","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001567619-20-001778","line_url":"/filing/0001567619-20-001778","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":455.0,"shares_display":"455","price_per_share":29.6348,"price_display":"29.63","price_state":"stated","total_value":13483.834,"total_display":"13,483.83","total_whole":"13,484","shares_owned_after":6115.0,"shares_owned_after_display":"6,115","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-01-30","filed_date":"2020-01-31","scope":"insider","n_lines":2},{"id":8105217,"accession":"0001567619-19-022249","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001567619-19-022249","line_url":"/filing/0001567619-19-022249","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":625.0,"shares_display":"625","price_per_share":27.7984,"price_display":"27.80","price_state":"stated","total_value":17374.0,"total_display":"17,374.00","total_whole":"17,374","shares_owned_after":5790.0,"shares_owned_after_display":"5,790","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-11-26","filed_date":"2019-11-26","scope":"insider","n_lines":2},{"id":7825584,"accession":"0001567619-19-015246","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001567619-19-015246","line_url":"/filing/0001567619-19-015246#line-1","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":400.0,"shares_display":"400","price_per_share":26.7,"price_display":"26.70","price_state":"stated","total_value":10680.0,"total_display":"10,680.00","total_whole":"10,680","shares_owned_after":5165.0,"shares_owned_after_display":"5,165","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-07-26","filed_date":"2019-07-26","scope":"insider"},{"id":7822317,"accession":"0001567619-19-009724","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001567619-19-009724","line_url":"/filing/0001567619-19-009724#line-1","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":415.0,"shares_display":"415","price_per_share":30.81,"price_display":"30.81","price_state":"stated","total_value":12786.15,"total_display":"12,786.15","total_whole":"12,786","shares_owned_after":4765.0,"shares_owned_after_display":"4,765","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-05-02","filed_date":"2019-05-03","scope":"insider"},{"id":7963389,"accession":"0001567619-19-001754","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001567619-19-001754","line_url":"/filing/0001567619-19-001754#line-1","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":900.0,"shares_display":"900","price_per_share":30.99,"price_display":"30.99","price_state":"stated","total_value":27891.0,"total_display":"27,891.00","total_whole":"27,891","shares_owned_after":4350.0,"shares_owned_after_display":"4,350","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-01-25","filed_date":"2019-01-28","scope":"insider"},{"id":6227926,"accession":"0001140361-18-025209","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001140361-18-025209","line_url":"/filing/0001140361-18-025209#line-1","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":500.0,"shares_display":"500","price_per_share":30.57,"price_display":"30.57","price_state":"stated","total_value":15285.0,"total_display":"15,285.00","total_whole":"15,285","shares_owned_after":3400.0,"shares_owned_after_display":"3,400","ownership_form":"I","is_10b5_1":null,"transaction_date":"2018-05-21","filed_date":"2018-05-22","scope":"insider"},{"id":6411187,"accession":"0001140361-18-024178","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001140361-18-024178","line_url":"/filing/0001140361-18-024178","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":340.0,"shares_display":"340","price_per_share":31.43764705882353,"price_display":"31.44","price_state":"stated","total_value":10688.8,"total_display":"10,688.80","total_whole":"10,689","shares_owned_after":3450.0,"shares_owned_after_display":"3,450","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-05-16","filed_date":"2018-05-16","scope":"insider","n_lines":3},{"id":5362147,"accession":"0001140361-17-020135","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001140361-17-020135","line_url":"/filing/0001140361-17-020135#line-1","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":475.0,"shares_display":"475","price_per_share":23.74,"price_display":"23.74","price_state":"stated","total_value":11276.5,"total_display":"11,276.50","total_whole":"11,277","shares_owned_after":2835.0,"shares_owned_after_display":"2,835","ownership_form":"D","is_10b5_1":null,"transaction_date":"2017-05-12","filed_date":"2017-05-12","scope":"insider"},{"id":4235447,"accession":"0001140361-17-003962","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001140361-17-003962","line_url":"/filing/0001140361-17-003962#line-2","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":400.0,"shares_display":"400","price_per_share":22.17,"price_display":"22.17","price_state":"stated","total_value":8868.0,"total_display":"8,868.00","total_whole":"8,868","shares_owned_after":2900.0,"shares_owned_after_display":"2,900","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-02-01","filed_date":"2017-02-01","scope":"insider"},{"id":4235443,"accession":"0001140361-17-003962","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001140361-17-003962","line_url":"/filing/0001140361-17-003962#line-1","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":2500.0,"shares_display":"2,500","price_per_share":21.98,"price_display":"21.98","price_state":"stated","total_value":54950.0,"total_display":"54,950.00","total_whole":"54,950","shares_owned_after":2500.0,"shares_owned_after_display":"2,500","ownership_form":"I","is_10b5_1":null,"transaction_date":"2017-01-31","filed_date":"2017-02-01","scope":"insider"},{"id":2155388,"accession":"0001140361-16-084345","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001140361-16-084345","line_url":"/filing/0001140361-16-084345#line-1","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":300.0,"shares_display":"300","price_per_share":17.11,"price_display":"17.11","price_state":"stated","total_value":5133.0,"total_display":"5,133.00","total_whole":"5,133","shares_owned_after":2360.0,"shares_owned_after_display":"2,360","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-10-31","filed_date":"2016-11-01","scope":"insider"},{"id":2087466,"accession":"0001140361-16-069033","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001140361-16-069033","line_url":"/filing/0001140361-16-069033#line-1","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":160.0,"shares_display":"160","price_per_share":17.25,"price_display":"17.25","price_state":"stated","total_value":2760.0,"total_display":"2,760.00","total_whole":"2,760","shares_owned_after":2060.0,"shares_owned_after_display":"2,060","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-06-06","filed_date":"2016-06-08","scope":"insider"},{"id":3282387,"accession":"0001140361-16-056687","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001140361-16-056687","line_url":"/filing/0001140361-16-056687#line-1","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":150.0,"shares_display":"150","price_per_share":35.25,"price_display":"35.25","price_state":"stated","total_value":5287.5,"total_display":"5,287.50","total_whole":"5,288","shares_owned_after":950.0,"shares_owned_after_display":"950","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-03-04","filed_date":"2016-03-07","scope":"insider"},{"id":8150380,"accession":"0001140361-15-043078","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001140361-15-043078","line_url":"/filing/0001140361-15-043078#line-1","is_derivative":false,"issuer_cik":"0001070524","issuer_name":"GREENE COUNTY BANCORP INC","issuer_ticker":"GCBC","issuer_name_source":null,"issuer_url":"/issuer/0001070524","owner_cik":"0001645641","owner_name":"Cahalan Jay P.","owner_display_name":"Cahalan Jay P.","owner_url":"/insider/0001645641","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":600.0,"shares_display":"600","price_per_share":29.0,"price_display":"29.00","price_state":"stated","total_value":17400.0,"total_display":"17,400.00","total_whole":"17,400","shares_owned_after":800.0,"shares_owned_after_display":"800","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-11-25","filed_date":"2015-11-30","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":44,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":40,"open_market":true},{"code":"S","label":"Open-market sale","n":4,"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":44},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001070524","name":"GREENE COUNTY BANCORP INC","url":"/issuer/0001070524","role":"Director","n_filings":24,"first_seen":"2015-11-30","last_seen":"2025-10-24"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001645641","retrieved_at":"2026-08-23T20:32:49+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"}}