{"entity":{"type":"insider","cik":"0001269260","url":"/insider/0001269260","json_url":"/insider/0001269260.json","name":"WILLIAMS MARK R","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":8,"n_filings":6,"first":"2004-08-23","last":"2013-10-30","span_basis":"filed_date"},"name_variants":[{"name":"WILLIAMS MARK R","source":"filing","n_filings":6,"first_seen":"2004-08-23","last_seen":"2013-10-30"}],"transactions":[{"id":4640907,"accession":"0001127602-13-030026","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001127602-13-030026","line_url":"/filing/0001127602-13-030026#line-2","is_derivative":false,"issuer_cik":"0001255474","issuer_name":"WHITING PETROLEUM CORP","issuer_ticker":"WLL","issuer_name_source":null,"issuer_url":"/issuer/0001255474","owner_cik":"0001269260","owner_name":"WILLIAMS MARK R","owner_display_name":"WILLIAMS MARK R","owner_url":"/insider/0001269260","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":7164.0,"shares_display":"7,164","price_per_share":69.5058,"price_display":"69.51","price_state":"stated","total_value":497939.5512,"total_display":"497,939.55","total_whole":"497,940","shares_owned_after":44582.0,"shares_owned_after_display":"44,582","ownership_form":"D","is_10b5_1":null,"transaction_date":"2013-10-29","filed_date":"2013-10-30","scope":"insider"},{"id":4640899,"accession":"0001127602-13-030026","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001127602-13-030026","line_url":"/filing/0001127602-13-030026#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":"0001269260","owner_name":"WILLIAMS MARK R","owner_display_name":"WILLIAMS MARK R","owner_url":"/insider/0001269260","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":7086.0,"shares_display":"7,086","price_per_share":68.6887,"price_display":"68.69","price_state":"stated","total_value":486728.1282,"total_display":"486,728.13","total_whole":"486,728","shares_owned_after":51746.0,"shares_owned_after_display":"51,746","ownership_form":"D","is_10b5_1":null,"transaction_date":"2013-10-28","filed_date":"2013-10-30","scope":"insider"},{"id":7705590,"accession":"0001127602-10-027658","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001127602-10-027658","line_url":"/filing/0001127602-10-027658#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":"0001269260","owner_name":"WILLIAMS MARK R","owner_display_name":"WILLIAMS MARK R","owner_url":"/insider/0001269260","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":9877.0,"shares_display":"9,877","price_per_share":106.3262,"price_display":"106.33","price_state":"stated","total_value":1050183.8774,"total_display":"1,050,183.88","total_whole":"1,050,184","shares_owned_after":17194.0,"shares_owned_after_display":"17,194","ownership_form":"D","is_10b5_1":null,"transaction_date":"2010-11-09","filed_date":"2010-11-10","scope":"insider"},{"id":4017104,"accession":"0001209191-06-042925","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-06-042925","line_url":"/filing/0001209191-06-042925#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":"0001269260","owner_name":"WILLIAMS MARK R","owner_display_name":"WILLIAMS MARK R","owner_url":"/insider/0001269260","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":46.9,"price_display":"46.90","price_state":"stated","total_value":93800.0,"total_display":"93,800.00","total_whole":"93,800","shares_owned_after":22571.0,"shares_owned_after_display":"22,571","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-07-26","filed_date":"2006-07-28","scope":"insider"},{"id":3690780,"accession":"0001209191-06-028754","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-06-028754","line_url":"/filing/0001209191-06-028754#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":"0001269260","owner_name":"WILLIAMS MARK R","owner_display_name":"WILLIAMS MARK R","owner_url":"/insider/0001269260","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":2400.0,"shares_display":"2,400","price_per_share":42.8042,"price_display":"42.80","price_state":"stated","total_value":102730.08,"total_display":"102,730.08","total_whole":"102,730","shares_owned_after":24571.0,"shares_owned_after_display":"24,571","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-05-09","filed_date":"2006-05-09","scope":"insider"},{"id":1647715,"accession":"0001209191-05-041923","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-05-041923","line_url":"/filing/0001209191-05-041923","is_derivative":false,"issuer_cik":"0001255474","issuer_name":"WHITING PETROLEUM CORP","issuer_ticker":"WLL","issuer_name_source":null,"issuer_url":"/issuer/0001255474","owner_cik":"0001269260","owner_name":"WILLIAMS MARK R","owner_display_name":"WILLIAMS MARK R","owner_url":"/insider/0001269260","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":7000.0,"shares_display":"7,000","price_per_share":43.002857142857145,"price_display":"43.00","price_state":"stated","total_value":301020.0,"total_display":"301,020.00","total_whole":"301,020","shares_owned_after":22824.0,"shares_owned_after_display":"22,824","ownership_form":"D","is_10b5_1":null,"transaction_date":"2005-08-08","filed_date":"2005-08-10","scope":"insider","n_lines":2},{"id":536597,"accession":"0000897069-04-001513","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000897069-04-001513","line_url":"/filing/0000897069-04-001513#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":"0001269260","owner_name":"WILLIAMS MARK R","owner_display_name":"WILLIAMS MARK R","owner_url":"/insider/0001269260","role":"Officer (V.P., Explor. & Development)","role_mark":"O","role_mark_label":"Officer (V.P., Explor. & Development)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"V.P., Explor. & Development","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4250.0,"shares_display":"4,250","price_per_share":23.61,"price_display":"23.61","price_state":"stated","total_value":100342.5,"total_display":"100,342.50","total_whole":"100,343","shares_owned_after":26815.0,"shares_owned_after_display":"26,815","ownership_form":"D","is_10b5_1":null,"transaction_date":"2004-08-20","filed_date":"2004-08-23","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":8,"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":8,"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":8},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001255474","name":"WHITING PETROLEUM CORP","url":"/issuer/0001255474","role":"Officer (Senior Vice President)","n_filings":6,"first_seen":"2004-08-23","last_seen":"2013-10-30"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001269260","retrieved_at":"2026-08-24T10:02:33+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"}}