{"entity":{"type":"insider","cik":"0001368105","url":"/insider/0001368105","json_url":"/insider/0001368105.json","name":"Starks Ken","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":14,"n_filings":11,"first":"2006-12-07","last":"2021-03-11","span_basis":"filed_date"},"name_variants":[{"name":"Starks Ken","source":"filing","n_filings":11,"first_seen":"2006-12-07","last_seen":"2021-03-11"}],"transactions":[{"id":5305072,"accession":"0001593968-21-000887","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001593968-21-000887","line_url":"/filing/0001593968-21-000887#line-2","is_derivative":false,"issuer_cik":"0000760498","issuer_name":"BANCFIRST CORP /OK/","issuer_ticker":"BANF","issuer_name_source":null,"issuer_url":"/issuer/0000760498","owner_cik":"0001368105","owner_name":"Starks Ken","owner_display_name":"Starks Ken","owner_url":"/insider/0001368105","role":"Officer (Regional Executive)","role_mark":"O","role_mark_label":"Officer (Regional Executive)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Regional Executive","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3500.0,"shares_display":"3,500","price_per_share":73.84,"price_display":"73.84","price_state":"stated","total_value":258440.0,"total_display":"258,440.00","total_whole":"258,440","shares_owned_after":1000.0,"shares_owned_after_display":"1,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-03-11","filed_date":"2021-03-11","scope":"insider"},{"id":3314461,"accession":"0001593968-20-000721","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001593968-20-000721","line_url":"/filing/0001593968-20-000721#line-1","is_derivative":false,"issuer_cik":"0000760498","issuer_name":"BANCFIRST CORP /OK/","issuer_ticker":"BANF","issuer_name_source":null,"issuer_url":"/issuer/0000760498","owner_cik":"0001368105","owner_name":"Starks Ken","owner_display_name":"Starks Ken","owner_url":"/insider/0001368105","role":"Officer (Regional Executive)","role_mark":"O","role_mark_label":"Officer (Regional Executive)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Regional Executive","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":1000.0,"shares_display":"1,000","price_per_share":36.43,"price_display":"36.43","price_state":"stated","total_value":36430.0,"total_display":"36,430.00","total_whole":"36,430","shares_owned_after":1000.0,"shares_owned_after_display":"1,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-03-11","filed_date":"2020-03-11","scope":"insider"},{"id":6881522,"accession":"0001593968-18-000858","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001593968-18-000858","line_url":"/filing/0001593968-18-000858#line-2","is_derivative":false,"issuer_cik":"0000760498","issuer_name":"BANCFIRST CORP /OK/","issuer_ticker":"BANF","issuer_name_source":null,"issuer_url":"/issuer/0000760498","owner_cik":"0001368105","owner_name":"Starks Ken","owner_display_name":"Starks Ken","owner_url":"/insider/0001368105","role":"Officer (Regional Executive)","role_mark":"O","role_mark_label":"Officer (Regional Executive)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Regional Executive","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3000.0,"shares_display":"3,000","price_per_share":62.3774,"price_display":"62.38","price_state":"stated","total_value":187132.2,"total_display":"187,132.20","total_whole":"187,132","shares_owned_after":0.0,"shares_owned_after_display":"0","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-06-06","filed_date":"2018-06-06","scope":"insider"},{"id":4319110,"accession":"0001593968-17-000264","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001593968-17-000264","line_url":"/filing/0001593968-17-000264#line-2","is_derivative":false,"issuer_cik":"0000760498","issuer_name":"BANCFIRST CORP /OK/","issuer_ticker":"BANF","issuer_name_source":null,"issuer_url":"/issuer/0000760498","owner_cik":"0001368105","owner_name":"Starks Ken","owner_display_name":"Starks Ken","owner_url":"/insider/0001368105","role":"Officer (Regional Executive)","role_mark":"O","role_mark_label":"Officer (Regional Executive)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Regional Executive","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3500.0,"shares_display":"3,500","price_per_share":95.0,"price_display":"95.00","price_state":"stated","total_value":332500.0,"total_display":"332,500.00","total_whole":"332,500","shares_owned_after":0.0,"shares_owned_after_display":"0","ownership_form":"D","is_10b5_1":null,"transaction_date":"2017-02-13","filed_date":"2017-02-13","scope":"insider"},{"id":3137716,"accession":"0001593968-16-000948","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001593968-16-000948","line_url":"/filing/0001593968-16-000948#line-2","is_derivative":false,"issuer_cik":"0000760498","issuer_name":"BANCFIRST CORP /OK/","issuer_ticker":"BANF","issuer_name_source":null,"issuer_url":"/issuer/0000760498","owner_cik":"0001368105","owner_name":"Starks Ken","owner_display_name":"Starks Ken","owner_url":"/insider/0001368105","role":"Officer (Regional Executive)","role_mark":"O","role_mark_label":"Officer (Regional Executive)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Regional Executive","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5000.0,"shares_display":"5,000","price_per_share":66.129,"price_display":"66.13","price_state":"stated","total_value":330645.0,"total_display":"330,645.00","total_whole":"330,645","shares_owned_after":0.0,"shares_owned_after_display":"0","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-07-25","filed_date":"2016-07-26","scope":"insider"},{"id":8890483,"accession":"0001368105-15-000001","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001368105-15-000001","line_url":"/filing/0001368105-15-000001#line-2","is_derivative":false,"issuer_cik":"0000760498","issuer_name":"BANCFIRST CORP /OK/","issuer_ticker":"BANF","issuer_name_source":null,"issuer_url":"/issuer/0000760498","owner_cik":"0001368105","owner_name":"Starks Ken","owner_display_name":"Starks Ken","owner_url":"/insider/0001368105","role":"Other","role_mark":"*","role_mark_label":"Other","role_mark_generic":"Other","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":5000.0,"shares_display":"5,000","price_per_share":65.0,"price_display":"65.00","price_state":"stated","total_value":325000.0,"total_display":"325,000.00","total_whole":"325,000","shares_owned_after":0.0,"shares_owned_after_display":"0","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-11-06","filed_date":"2015-11-06","scope":"insider"},{"id":2432173,"accession":"0001368105-12-000003","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001368105-12-000003","line_url":"/filing/0001368105-12-000003#line-2","is_derivative":false,"issuer_cik":"0000760498","issuer_name":"BANCFIRST CORP /OK/","issuer_ticker":"BANF","issuer_name_source":null,"issuer_url":"/issuer/0000760498","owner_cik":"0001368105","owner_name":"Starks Ken","owner_display_name":"Starks Ken","owner_url":"/insider/0001368105","role":"Officer (Regional Executive)","role_mark":"O","role_mark_label":"Officer (Regional Executive)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Regional Executive","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3844.0,"shares_display":"3,844","price_per_share":44.0,"price_display":"44.00","price_state":"stated","total_value":169136.0,"total_display":"169,136.00","total_whole":"169,136","shares_owned_after":0.0,"shares_owned_after_display":"0","ownership_form":"D","is_10b5_1":null,"transaction_date":"2012-10-17","filed_date":"2012-10-19","scope":"insider"},{"id":2259285,"accession":"0001368105-12-000002","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001368105-12-000002","line_url":"/filing/0001368105-12-000002#line-2","is_derivative":false,"issuer_cik":"0000760498","issuer_name":"BANCFIRST CORP /OK/","issuer_ticker":"BANF","issuer_name_source":null,"issuer_url":"/issuer/0000760498","owner_cik":"0001368105","owner_name":"Starks Ken","owner_display_name":"Starks Ken","owner_url":"/insider/0001368105","role":"Officer (Regional Executive)","role_mark":"O","role_mark_label":"Officer (Regional Executive)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Regional Executive","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":56.0,"shares_display":"56","price_per_share":44.0,"price_display":"44.00","price_state":"stated","total_value":2464.0,"total_display":"2,464.00","total_whole":"2,464","shares_owned_after":0.0,"shares_owned_after_display":"0","ownership_form":"D","is_10b5_1":null,"transaction_date":"2012-09-25","filed_date":"2012-09-27","scope":"insider"},{"id":2931112,"accession":"0001368105-12-000001","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001368105-12-000001","line_url":"/filing/0001368105-12-000001#line-2","is_derivative":false,"issuer_cik":"0000760498","issuer_name":"BANCFIRST CORP /OK/","issuer_ticker":"BANF","issuer_name_source":null,"issuer_url":"/issuer/0000760498","owner_cik":"0001368105","owner_name":"Starks Ken","owner_display_name":"Starks Ken","owner_url":"/insider/0001368105","role":"Officer (Regional Executive)","role_mark":"O","role_mark_label":"Officer (Regional Executive)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Regional Executive","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":42.0,"price_display":"42.00","price_state":"stated","total_value":4200.0,"total_display":"4,200.00","total_whole":"4,200","shares_owned_after":0.0,"shares_owned_after_display":"0","ownership_form":"D","is_10b5_1":null,"transaction_date":"2012-03-14","filed_date":"2012-03-21","scope":"insider"},{"id":3688791,"accession":"0001368105-08-000001","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001368105-08-000001","line_url":"/filing/0001368105-08-000001#line-2","is_derivative":false,"issuer_cik":"0000760498","issuer_name":"BANCFIRST CORP /OK/","issuer_ticker":"BANF","issuer_name_source":null,"issuer_url":"/issuer/0000760498","owner_cik":"0001368105","owner_name":"Starks Ken","owner_display_name":"Starks Ken","owner_url":"/insider/0001368105","role":"Officer (Regional Executive)","role_mark":"O","role_mark_label":"Officer (Regional Executive)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Regional Executive","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3111.0,"shares_display":"3,111","price_per_share":47.5,"price_display":"47.50","price_state":"stated","total_value":147772.5,"total_display":"147,772.50","total_whole":"147,773","shares_owned_after":0.0,"shares_owned_after_display":"0","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-07-30","filed_date":"2008-07-31","scope":"insider"},{"id":4852686,"accession":"0001368105-06-000002","txn_seq":8,"anchor":"line-8","filing_url":"/filing/0001368105-06-000002","line_url":"/filing/0001368105-06-000002","is_derivative":false,"issuer_cik":"0000760498","issuer_name":"BANCFIRST CORP /OK/","issuer_ticker":"BANF","issuer_name_source":null,"issuer_url":"/issuer/0000760498","owner_cik":"0001368105","owner_name":"Starks Ken","owner_display_name":"Starks Ken","owner_url":"/insider/0001368105","role":"Officer (Regional Executive)","role_mark":"O","role_mark_label":"Officer (Regional Executive)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Regional Executive","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1889.0,"shares_display":"1,889","price_per_share":54.50515616728428,"price_display":"54.51","price_state":"stated","total_value":102960.24,"total_display":"102,960.24","total_whole":"102,960","shares_owned_after":0.0,"shares_owned_after_display":"0","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-12-05","filed_date":"2006-12-07","scope":"insider","n_lines":4}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":14,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":1,"open_market":true},{"code":"S","label":"Open-market sale","n":13,"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":14},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0000760498","name":"BANCFIRST CORP /OK/","url":"/issuer/0000760498","role":"Officer (Regional Executive), Other","n_filings":11,"first_seen":"2006-12-07","last_seen":"2021-03-11"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001368105","retrieved_at":"2026-08-23T05:18:26+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"}}