{"entity":{"type":"insider","cik":"0001276011","url":"/insider/0001276011","json_url":"/insider/0001276011.json","name":"COMMONWEALTH INSURANCE CO","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":18,"n_filings":4,"first":"2010-04-19","last":"2011-07-20","span_basis":"filed_date"},"name_variants":[{"name":"COMMONWEALTH INSURANCE CO","source":"filing","n_filings":4,"first_seen":"2010-04-19","last_seen":"2011-07-20"}],"transactions":[{"id":9114617,"accession":"0001209191-11-040345","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001209191-11-040345","line_url":"/filing/0001209191-11-040345#line-4","is_derivative":false,"issuer_cik":"0000101618","issuer_name":"SANDRIDGE ENERGY INC","issuer_ticker":"SD","issuer_name_source":null,"issuer_url":"/issuer/0000101618","owner_cik":null,"owner_name":"SIXTY TWO INVESTMENT CO LTD; 1109519 ONTARIO LTD; ODYSSEY REINSURANCE CO; WATSA V PREM ET AL; COMMONWEALTH INSURANCE CO; FAIRFAX FINANCIAL HOLDINGS LTD/ CAN; TIG INSURANCE CO; 810679 ONTARIO LTD; UNITED STATES FIRE INSURANCE CO","owner_display_name":"SIXTY TWO INVESTMENT CO LTD","owner_url":null,"role":"Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":9,"other_reporting_owners":8,"officer_title":null,"security_title":"Common Stock, $0.001 par value (?Common Shares?)","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5000000.0,"shares_display":"5,000,000","price_per_share":11.3518,"price_display":"11.35","price_state":"stated","total_value":56759000.0,"total_display":"56,759,000.00","total_whole":"56,759,000","shares_owned_after":8214600.0,"shares_owned_after_display":"8,214,600","ownership_form":"I","is_10b5_1":null,"transaction_date":"2011-07-20","filed_date":"2011-07-20","scope":"insider"},{"id":9114616,"accession":"0001209191-11-040345","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001209191-11-040345","line_url":"/filing/0001209191-11-040345#line-3","is_derivative":false,"issuer_cik":"0000101618","issuer_name":"SANDRIDGE ENERGY INC","issuer_ticker":"SD","issuer_name_source":null,"issuer_url":"/issuer/0000101618","owner_cik":null,"owner_name":"SIXTY TWO INVESTMENT CO LTD; 1109519 ONTARIO LTD; ODYSSEY REINSURANCE CO; WATSA V PREM ET AL; COMMONWEALTH INSURANCE CO; FAIRFAX FINANCIAL HOLDINGS LTD/ CAN; TIG INSURANCE CO; 810679 ONTARIO LTD; UNITED STATES FIRE INSURANCE CO","owner_display_name":"SIXTY TWO INVESTMENT CO LTD","owner_url":null,"role":"Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":9,"other_reporting_owners":8,"officer_title":null,"security_title":"Common Stock, $0.001 par value (?Common Shares?)","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":6870000.0,"shares_display":"6,870,000","price_per_share":11.3824,"price_display":"11.38","price_state":"stated","total_value":78197088.0,"total_display":"78,197,088.00","total_whole":"78,197,088","shares_owned_after":13214600.0,"shares_owned_after_display":"13,214,600","ownership_form":"I","is_10b5_1":null,"transaction_date":"2011-07-19","filed_date":"2011-07-20","scope":"insider"},{"id":9114615,"accession":"0001209191-11-040345","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-11-040345","line_url":"/filing/0001209191-11-040345","is_derivative":false,"issuer_cik":"0000101618","issuer_name":"SANDRIDGE ENERGY INC","issuer_ticker":"SD","issuer_name_source":null,"issuer_url":"/issuer/0000101618","owner_cik":null,"owner_name":"SIXTY TWO INVESTMENT CO LTD; 1109519 ONTARIO LTD; ODYSSEY REINSURANCE CO; WATSA V PREM ET AL; COMMONWEALTH INSURANCE CO; FAIRFAX FINANCIAL HOLDINGS LTD/ CAN; TIG INSURANCE CO; 810679 ONTARIO LTD; UNITED STATES FIRE INSURANCE CO","owner_display_name":"SIXTY TWO INVESTMENT CO LTD","owner_url":null,"role":"Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":9,"other_reporting_owners":8,"officer_title":null,"security_title":"Common Stock, $0.001 par value (?Common Shares?)","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1500000.0,"shares_display":"1,500,000","price_per_share":11.161788906666667,"price_display":"11.16","price_state":"stated","total_value":16742683.36,"total_display":"16,742,683.36","total_whole":"16,742,683","shares_owned_after":20189400.0,"shares_owned_after_display":"20,189,400","ownership_form":"I","is_10b5_1":null,"transaction_date":"2011-07-18","filed_date":"2011-07-20","scope":"insider","n_lines":2},{"id":8960529,"accession":"0001209191-11-035014","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-11-035014","line_url":"/filing/0001209191-11-035014#line-1","is_derivative":false,"issuer_cik":"0000915191","issuer_name":"AbitibiBowater Inc.","issuer_ticker":"ABH","issuer_name_source":null,"issuer_url":"/issuer/0000915191","owner_cik":null,"owner_name":"LOMBARD GENERAL INSURANCE CO OF CANADA; SIXTY TWO INVESTMENT CO LTD; 810679 ONTARIO LTD; COMMONWEALTH INSURANCE CO; FAIRFAX FINANCIAL HOLDINGS LTD/ CAN; Federated Insurance CO of Canada; 1109519 ONTARIO LTD; WATSA V PREM ET AL; Lombard Insurance CO","owner_display_name":"LOMBARD GENERAL INSURANCE CO OF CANADA","owner_url":null,"role":"Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":9,"other_reporting_owners":8,"officer_title":null,"security_title":"Common Stock, $0.001 par value (?Common Shares?)","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":442100.0,"shares_display":"442,100","price_per_share":22.7415,"price_display":"22.74","price_state":"stated","total_value":10054017.15,"total_display":"10,054,017.15","total_whole":"10,054,017","shares_owned_after":17503604.0,"shares_owned_after_display":"17,503,604","ownership_form":"I","is_10b5_1":null,"transaction_date":"2011-06-14","filed_date":"2011-06-16","scope":"insider"},{"id":9267575,"accession":"0001209191-11-003285","txn_seq":10,"anchor":"line-10","filing_url":"/filing/0001209191-11-003285","line_url":"/filing/0001209191-11-003285","is_derivative":false,"issuer_cik":"0001432007","issuer_name":"AbitibiBowater Inc.","issuer_ticker":"ABH","issuer_name_source":null,"issuer_url":"/issuer/0001432007","owner_cik":null,"owner_name":"COMMONWEALTH INSURANCE CO; FAIRFAX FINANCIAL HOLDINGS LTD/ CAN; Federated Insurance CO of Canada; LOMBARD GENERAL INSURANCE CO OF CANADA; Lombard Insurance CO; MARKEL INSURANCE CO OF CANADA","owner_display_name":"COMMONWEALTH INSURANCE CO","owner_url":null,"role":"Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":6,"other_reporting_owners":5,"officer_title":null,"security_title":"Common Shares","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":640000.0,"shares_display":"640,000","price_per_share":22.0,"price_display":"22.00","price_state":"stated","total_value":14080000.0,"total_display":"14,080,000.00","total_whole":"14,080,000","shares_owned_after":13183590.0,"shares_owned_after_display":"13,183,590","ownership_form":"I","is_10b5_1":null,"transaction_date":"2010-12-23","filed_date":"2011-01-14","scope":"insider","n_lines":2},{"id":9267574,"accession":"0001209191-11-003285","txn_seq":5,"anchor":"line-5","filing_url":"/filing/0001209191-11-003285","line_url":"/filing/0001209191-11-003285","is_derivative":false,"issuer_cik":"0001432007","issuer_name":"AbitibiBowater Inc.","issuer_ticker":"ABH","issuer_name_source":null,"issuer_url":"/issuer/0001432007","owner_cik":null,"owner_name":"COMMONWEALTH INSURANCE CO; FAIRFAX FINANCIAL HOLDINGS LTD/ CAN; Federated Insurance CO of Canada; LOMBARD GENERAL INSURANCE CO OF CANADA; Lombard Insurance CO; MARKEL INSURANCE CO OF CANADA","owner_display_name":"COMMONWEALTH INSURANCE CO","owner_url":null,"role":"Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":6,"other_reporting_owners":5,"officer_title":null,"security_title":"Common Shares","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":906900.0,"shares_display":"906,900","price_per_share":21.948153048847722,"price_display":"21.95","price_state":"stated","total_value":19904780.0,"total_display":"19,904,780.00","total_whole":"19,904,780","shares_owned_after":12417690.0,"shares_owned_after_display":"12,417,690","ownership_form":"I","is_10b5_1":null,"transaction_date":"2010-12-22","filed_date":"2011-01-14","scope":"insider","n_lines":8},{"id":7206133,"accession":"0001209191-10-022937","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001209191-10-022937","line_url":"/filing/0001209191-10-022937","is_derivative":false,"issuer_cik":"0000915191","issuer_name":"SANDRIDGE ENERGY INC","issuer_ticker":"SD","issuer_name_source":null,"issuer_url":"/issuer/0000915191","owner_cik":null,"owner_name":"SIXTY TWO INVESTMENT CO LTD; ODYSSEY AMERICA REINSURANCE CORP; MARKEL INSURANCE CO OF CANADA; COMMONWEALTH INSURANCE CO; Federated Insurance CO of Canada; 810679 ONTARIO LTD; LOMBARD GENERAL INSURANCE CO OF CANADA; 1109519 ONTARIO LTD; WATSA V PREM ET AL; FAIRFAX FINANCIAL HOLDINGS LTD/ CAN","owner_display_name":"SIXTY TWO INVESTMENT CO LTD","owner_url":null,"role":"Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":10,"other_reporting_owners":9,"officer_title":null,"security_title":"Common Shares","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":3400000.0,"shares_display":"3,400,000","price_per_share":7.255911764705882,"price_display":"7.26","price_state":"stated","total_value":24670100.0,"total_display":"24,670,100.00","total_whole":"24,670,100","shares_owned_after":8803600.0,"shares_owned_after_display":"8,803,600","ownership_form":"I","is_10b5_1":null,"transaction_date":"2010-04-16","filed_date":"2010-04-19","scope":"insider","n_lines":2},{"id":7206128,"accession":"0001209191-10-022937","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-10-022937","line_url":"/filing/0001209191-10-022937#line-1","is_derivative":false,"issuer_cik":"0000915191","issuer_name":"SANDRIDGE ENERGY INC","issuer_ticker":"SD","issuer_name_source":null,"issuer_url":"/issuer/0000915191","owner_cik":null,"owner_name":"SIXTY TWO INVESTMENT CO LTD; ODYSSEY AMERICA REINSURANCE CORP; MARKEL INSURANCE CO OF CANADA; COMMONWEALTH INSURANCE CO; Federated Insurance CO of Canada; 810679 ONTARIO LTD; LOMBARD GENERAL INSURANCE CO OF CANADA; 1109519 ONTARIO LTD; WATSA V PREM ET AL; FAIRFAX FINANCIAL HOLDINGS LTD/ CAN","owner_display_name":"SIXTY TWO INVESTMENT CO LTD","owner_url":null,"role":"Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":10,"other_reporting_owners":9,"officer_title":null,"security_title":"Common Stock, $0.001 par value (?Common Shares?)","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":130000.0,"shares_display":"130,000","price_per_share":7.6943,"price_display":"7.69","price_state":"stated","total_value":1000259.0,"total_display":"1,000,259.00","total_whole":"1,000,259","shares_owned_after":6803600.0,"shares_owned_after_display":"6,803,600","ownership_form":"I","is_10b5_1":null,"transaction_date":"2010-04-07","filed_date":"2010-04-19","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":0,"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":0,"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":0},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001349436","name":"SANDRIDGE ENERGY INC","url":"/issuer/0001349436","role":"Ten percent owner","n_filings":2,"first_seen":"2010-04-19","last_seen":"2011-07-20"},{"type":"issuer","type_label":"ISSUER","cik":"0001393066","name":"AbitibiBowater Inc.","url":"/issuer/0001393066","role":"Ten percent owner","n_filings":2,"first_seen":"2011-01-14","last_seen":"2011-06-16"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001276011","retrieved_at":"2026-08-23T10:12:11+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"}}