{"entity":{"type":"insider","cik":"0001307387","url":"/insider/0001307387","json_url":"/insider/0001307387.json","name":"LANG JOHN DOUGLAS","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":13,"n_filings":10,"first":"2006-03-16","last":"2011-05-04","span_basis":"filed_date"},"name_variants":[{"name":"LANG JOHN DOUGLAS","source":"filing","n_filings":10,"first_seen":"2006-03-16","last_seen":"2011-05-04"}],"transactions":[{"id":9149865,"accession":"0001127602-11-014967","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001127602-11-014967","line_url":"/filing/0001127602-11-014967","is_derivative":false,"issuer_cik":"0001255474","issuer_name":"WHITING PETROLEUM CORP","issuer_ticker":"WLL","issuer_name_source":null,"issuer_url":"/issuer/0001255474","owner_cik":"0001307387","owner_name":"LANG JOHN DOUGLAS","owner_display_name":"LANG JOHN DOUGLAS","owner_url":"/insider/0001307387","role":"Officer (Vice President)","role_mark":"O","role_mark_label":"Officer (Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":6750.0,"shares_display":"6,750","price_per_share":65.7851,"price_display":"65.79","price_state":"stated","total_value":444049.425,"total_display":"444,049.42","total_whole":"444,049","shares_owned_after":13378.0,"shares_owned_after_display":"13,378","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-05-03","filed_date":"2011-05-04","scope":"insider","n_lines":2},{"id":9149863,"accession":"0001127602-11-014967","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001127602-11-014967","line_url":"/filing/0001127602-11-014967#line-1","is_derivative":false,"issuer_cik":"0001255474","issuer_name":"WHITING PETROLEUM CORP","issuer_ticker":"WLL","issuer_name_source":null,"issuer_url":"/issuer/0001255474","owner_cik":"0001307387","owner_name":"LANG JOHN DOUGLAS","owner_display_name":"LANG JOHN DOUGLAS","owner_url":"/insider/0001307387","role":"Officer (Vice President)","role_mark":"O","role_mark_label":"Officer (Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1912.0,"shares_display":"1,912","price_per_share":68.91,"price_display":"68.91","price_state":"stated","total_value":131755.92,"total_display":"131,755.92","total_whole":"131,756","shares_owned_after":17378.0,"shares_owned_after_display":"17,378","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-05-02","filed_date":"2011-05-04","scope":"insider"},{"id":9226953,"accession":"0001127602-11-009440","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001127602-11-009440","line_url":"/filing/0001127602-11-009440#line-1","is_derivative":false,"issuer_cik":"0001255474","issuer_name":"WHITING PETROLEUM CORP","issuer_ticker":"WLL","issuer_name_source":null,"issuer_url":"/issuer/0001255474","owner_cik":"0001307387","owner_name":"LANG JOHN DOUGLAS","owner_display_name":"LANG JOHN DOUGLAS","owner_url":"/insider/0001307387","role":"Officer (Vice President)","role_mark":"O","role_mark_label":"Officer (Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2364.0,"shares_display":"2,364","price_per_share":69.6,"price_display":"69.60","price_state":"stated","total_value":164534.4,"total_display":"164,534.40","total_whole":"164,534","shares_owned_after":19290.0,"shares_owned_after_display":"19,290","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-03-07","filed_date":"2011-03-08","scope":"insider"},{"id":8846768,"accession":"0001127602-11-009300","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001127602-11-009300","line_url":"/filing/0001127602-11-009300","is_derivative":false,"issuer_cik":"0001255474","issuer_name":"WHITING PETROLEUM CORP","issuer_ticker":"WLL","issuer_name_source":null,"issuer_url":"/issuer/0001255474","owner_cik":"0001307387","owner_name":"LANG JOHN DOUGLAS","owner_display_name":"LANG JOHN DOUGLAS","owner_url":"/insider/0001307387","role":"Officer (Vice President)","role_mark":"O","role_mark_label":"Officer (Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4364.0,"shares_display":"4,364","price_per_share":68.70632447296059,"price_display":"68.71","price_state":"stated","total_value":299834.4,"total_display":"299,834.40","total_whole":"299,834","shares_owned_after":19290.0,"shares_owned_after_display":"19,290","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-03-07","filed_date":"2011-03-07","scope":"insider","n_lines":2},{"id":8982551,"accession":"0001127602-11-008621","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001127602-11-008621","line_url":"/filing/0001127602-11-008621#line-1","is_derivative":false,"issuer_cik":"0001255474","issuer_name":"WHITING PETROLEUM CORP","issuer_ticker":"WLL","issuer_name_source":null,"issuer_url":"/issuer/0001255474","owner_cik":"0001307387","owner_name":"LANG JOHN DOUGLAS","owner_display_name":"LANG JOHN DOUGLAS","owner_url":"/insider/0001307387","role":"Officer (Vice President)","role_mark":"O","role_mark_label":"Officer (Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2000.0,"shares_display":"2,000","price_per_share":67.65,"price_display":"67.65","price_state":"stated","total_value":135300.0,"total_display":"135,300.00","total_whole":"135,300","shares_owned_after":21654.0,"shares_owned_after_display":"21,654","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-03-03","filed_date":"2011-03-03","scope":"insider"},{"id":9138282,"accession":"0001127602-11-007986","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001127602-11-007986","line_url":"/filing/0001127602-11-007986#line-1","is_derivative":false,"issuer_cik":"0001255474","issuer_name":"WHITING PETROLEUM CORP","issuer_ticker":"WLL","issuer_name_source":null,"issuer_url":"/issuer/0001255474","owner_cik":"0001307387","owner_name":"LANG JOHN DOUGLAS","owner_display_name":"LANG JOHN DOUGLAS","owner_url":"/insider/0001307387","role":"Officer (Vice President)","role_mark":"O","role_mark_label":"Officer (Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4044.0,"shares_display":"4,044","price_per_share":64.75,"price_display":"64.75","price_state":"stated","total_value":261849.0,"total_display":"261,849.00","total_whole":"261,849","shares_owned_after":23654.0,"shares_owned_after_display":"23,654","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-02-28","filed_date":"2011-03-01","scope":"insider"},{"id":5587719,"accession":"0001127602-09-022211","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001127602-09-022211","line_url":"/filing/0001127602-09-022211#line-1","is_derivative":false,"issuer_cik":"0001255474","issuer_name":"WHITING PETROLEUM CORP","issuer_ticker":"WLL","issuer_name_source":null,"issuer_url":"/issuer/0001255474","owner_cik":"0001307387","owner_name":"LANG JOHN DOUGLAS","owner_display_name":"LANG JOHN DOUGLAS","owner_url":"/insider/0001307387","role":"Officer (Vice President)","role_mark":"O","role_mark_label":"Officer (Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3659.0,"shares_display":"3,659","price_per_share":62.59,"price_display":"62.59","price_state":"stated","total_value":229016.81,"total_display":"229,016.81","total_whole":"229,017","shares_owned_after":2022.0,"shares_owned_after_display":"2,022","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-11-10","filed_date":"2009-11-10","scope":"insider"},{"id":3607452,"accession":"0001209191-08-018234","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-08-018234","line_url":"/filing/0001209191-08-018234#line-1","is_derivative":false,"issuer_cik":"0001255474","issuer_name":"WHITING PETROLEUM CORP","issuer_ticker":"WLL","issuer_name_source":null,"issuer_url":"/issuer/0001255474","owner_cik":"0001307387","owner_name":"LANG JOHN DOUGLAS","owner_display_name":"LANG JOHN DOUGLAS","owner_url":"/insider/0001307387","role":"Officer (Vice President)","role_mark":"O","role_mark_label":"Officer (Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1837.0,"shares_display":"1,837","price_per_share":63.64,"price_display":"63.64","price_state":"stated","total_value":116906.68,"total_display":"116,906.68","total_whole":"116,907","shares_owned_after":5469.0,"shares_owned_after_display":"5,469","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-03-13","filed_date":"2008-03-14","scope":"insider"},{"id":3912869,"accession":"0001209191-08-017202","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-08-017202","line_url":"/filing/0001209191-08-017202#line-1","is_derivative":false,"issuer_cik":"0001255474","issuer_name":"WHITING PETROLEUM CORP","issuer_ticker":"WLL","issuer_name_source":null,"issuer_url":"/issuer/0001255474","owner_cik":"0001307387","owner_name":"LANG JOHN DOUGLAS","owner_display_name":"LANG JOHN DOUGLAS","owner_url":"/insider/0001307387","role":"Officer (Vice President)","role_mark":"O","role_mark_label":"Officer (Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2384.0,"shares_display":"2,384","price_per_share":60.3,"price_display":"60.30","price_state":"stated","total_value":143755.2,"total_display":"143,755.20","total_whole":"143,755","shares_owned_after":7306.0,"shares_owned_after_display":"7,306","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-03-11","filed_date":"2008-03-11","scope":"insider"},{"id":8079551,"accession":"0001209191-07-026865","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-07-026865","line_url":"/filing/0001209191-07-026865#line-1","is_derivative":false,"issuer_cik":"0001255474","issuer_name":"WHITING PETROLEUM CORP","issuer_ticker":"WLL","issuer_name_source":null,"issuer_url":"/issuer/0001255474","owner_cik":"0001307387","owner_name":"LANG JOHN DOUGLAS","owner_display_name":"LANG JOHN DOUGLAS","owner_url":"/insider/0001307387","role":"Officer (Vice President)","role_mark":"O","role_mark_label":"Officer (Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4812.0,"shares_display":"4,812","price_per_share":44.0,"price_display":"44.00","price_state":"stated","total_value":211728.0,"total_display":"211,728.00","total_whole":"211,728","shares_owned_after":10319.0,"shares_owned_after_display":"10,319","ownership_form":"D","is_10b5_1":null,"transaction_date":"2007-05-01","filed_date":"2007-05-02","scope":"insider"},{"id":2769462,"accession":"0001209191-06-018130","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-06-018130","line_url":"/filing/0001209191-06-018130#line-1","is_derivative":false,"issuer_cik":"0001255474","issuer_name":"WHITING PETROLEUM CORP","issuer_ticker":"WLL","issuer_name_source":null,"issuer_url":"/issuer/0001255474","owner_cik":"0001307387","owner_name":"LANG JOHN DOUGLAS","owner_display_name":"LANG JOHN DOUGLAS","owner_url":"/insider/0001307387","role":"Officer (Vice President)","role_mark":"O","role_mark_label":"Officer (Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5221.0,"shares_display":"5,221","price_per_share":40.0,"price_display":"40.00","price_state":"stated","total_value":208840.0,"total_display":"208,840.00","total_whole":"208,840","shares_owned_after":17036.0,"shares_owned_after_display":"17,036","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-03-14","filed_date":"2006-03-16","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":13,"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":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":13},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001255474","name":"WHITING PETROLEUM CORP","url":"/issuer/0001255474","role":"Officer (Vice President)","n_filings":10,"first_seen":"2006-03-16","last_seen":"2011-05-04"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001307387","retrieved_at":"2026-08-23T00:09:38+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"}}