{"entity":{"type":"insider","cik":"0001356814","url":"/insider/0001356814","json_url":"/insider/0001356814.json","name":"Kurtzman Kenneth A","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":16,"n_filings":12,"first":"2010-11-05","last":"2013-11-01","span_basis":"filed_date"},"name_variants":[{"name":"Kurtzman Kenneth A","source":"filing","n_filings":12,"first_seen":"2010-11-05","last_seen":"2013-11-01"}],"transactions":[{"id":5190122,"accession":"0001209191-13-050156","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001209191-13-050156","line_url":"/filing/0001209191-13-050156","is_derivative":false,"issuer_cik":"0001171500","issuer_name":"PLATINUM UNDERWRITERS HOLDINGS LTD","issuer_ticker":"PTP","issuer_name_source":null,"issuer_url":"/issuer/0001171500","owner_cik":"0001356814","owner_name":"Kurtzman Kenneth A","owner_display_name":"Kurtzman Kenneth A","owner_url":"/insider/0001356814","role":"Officer (EVP, CRO & IR DIR - PASI)","role_mark":"O","role_mark_label":"Officer (EVP, CRO & IR DIR - PASI)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP, CRO & IR DIR - PASI","security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":11000.0,"shares_display":"11,000","price_per_share":62.515150909090906,"price_display":"62.52","price_state":"stated","total_value":687666.66,"total_display":"687,666.66","total_whole":"687,667","shares_owned_after":30014.0,"shares_owned_after_display":"30,014","ownership_form":"D","is_10b5_1":null,"transaction_date":"2013-10-31","filed_date":"2013-11-01","scope":"insider","n_lines":2},{"id":4792211,"accession":"0001209191-13-049967","txn_seq":5,"anchor":"line-5","filing_url":"/filing/0001209191-13-049967","line_url":"/filing/0001209191-13-049967","is_derivative":false,"issuer_cik":"0001171500","issuer_name":"PLATINUM UNDERWRITERS HOLDINGS LTD","issuer_ticker":"PTP","issuer_name_source":null,"issuer_url":"/issuer/0001171500","owner_cik":"0001356814","owner_name":"Kurtzman Kenneth A","owner_display_name":"Kurtzman Kenneth A","owner_url":"/insider/0001356814","role":"Officer (EVP, CRO & IR DIR - PASI)","role_mark":"O","role_mark_label":"Officer (EVP, CRO & IR DIR - PASI)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP, CRO & IR DIR - PASI","security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2900.0,"shares_display":"2,900","price_per_share":62.85347241379311,"price_display":"62.85","price_state":"stated","total_value":182275.07,"total_display":"182,275.07","total_whole":"182,275","shares_owned_after":30014.0,"shares_owned_after_display":"30,014","ownership_form":"D","is_10b5_1":null,"transaction_date":"2013-10-30","filed_date":"2013-10-31","scope":"insider","n_lines":2},{"id":4792190,"accession":"0001209191-13-049967","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-13-049967","line_url":"/filing/0001209191-13-049967#line-1","is_derivative":false,"issuer_cik":"0001171500","issuer_name":"PLATINUM UNDERWRITERS HOLDINGS LTD","issuer_ticker":"PTP","issuer_name_source":null,"issuer_url":"/issuer/0001171500","owner_cik":"0001356814","owner_name":"Kurtzman Kenneth A","owner_display_name":"Kurtzman Kenneth A","owner_url":"/insider/0001356814","role":"Officer (EVP, CRO & IR DIR - PASI)","role_mark":"O","role_mark_label":"Officer (EVP, CRO & IR DIR - PASI)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP, CRO & IR DIR - PASI","security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":7300.0,"shares_display":"7,300","price_per_share":63.1368,"price_display":"63.14","price_state":"stated","total_value":460898.64,"total_display":"460,898.64","total_whole":"460,899","shares_owned_after":30014.0,"shares_owned_after_display":"30,014","ownership_form":"D","is_10b5_1":null,"transaction_date":"2013-10-29","filed_date":"2013-10-31","scope":"insider"},{"id":4306252,"accession":"0001209191-13-048628","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001209191-13-048628","line_url":"/filing/0001209191-13-048628#line-4","is_derivative":false,"issuer_cik":"0001171500","issuer_name":"PLATINUM UNDERWRITERS HOLDINGS LTD","issuer_ticker":"PTP","issuer_name_source":null,"issuer_url":"/issuer/0001171500","owner_cik":"0001356814","owner_name":"Kurtzman Kenneth A","owner_display_name":"Kurtzman Kenneth A","owner_url":"/insider/0001356814","role":"Officer (EVP, CRO & IR DIR - PASI)","role_mark":"O","role_mark_label":"Officer (EVP, CRO & IR DIR - PASI)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP, CRO & IR DIR - PASI","security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5946.0,"shares_display":"5,946","price_per_share":61.4,"price_display":"61.40","price_state":"stated","total_value":365084.4,"total_display":"365,084.40","total_whole":"365,084","shares_owned_after":37314.0,"shares_owned_after_display":"37,314","ownership_form":"D","is_10b5_1":null,"transaction_date":"2013-10-17","filed_date":"2013-10-17","scope":"insider"},{"id":4306234,"accession":"0001209191-13-048628","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-13-048628","line_url":"/filing/0001209191-13-048628#line-2","is_derivative":false,"issuer_cik":"0001171500","issuer_name":"PLATINUM UNDERWRITERS HOLDINGS LTD","issuer_ticker":"PTP","issuer_name_source":null,"issuer_url":"/issuer/0001171500","owner_cik":"0001356814","owner_name":"Kurtzman Kenneth A","owner_display_name":"Kurtzman Kenneth A","owner_url":"/insider/0001356814","role":"Officer (EVP, CRO & IR DIR - PASI)","role_mark":"O","role_mark_label":"Officer (EVP, CRO & IR DIR - PASI)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP, CRO & IR DIR - PASI","security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":19054.0,"shares_display":"19,054","price_per_share":61.4,"price_display":"61.40","price_state":"stated","total_value":1169915.6,"total_display":"1,169,915.60","total_whole":"1,169,916","shares_owned_after":37314.0,"shares_owned_after_display":"37,314","ownership_form":"D","is_10b5_1":null,"transaction_date":"2013-10-16","filed_date":"2013-10-17","scope":"insider"},{"id":4890576,"accession":"0001209191-13-029477","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-13-029477","line_url":"/filing/0001209191-13-029477#line-2","is_derivative":false,"issuer_cik":"0001171500","issuer_name":"PLATINUM UNDERWRITERS HOLDINGS LTD","issuer_ticker":"PTP","issuer_name_source":null,"issuer_url":"/issuer/0001171500","owner_cik":"0001356814","owner_name":"Kurtzman Kenneth A","owner_display_name":"Kurtzman Kenneth A","owner_url":"/insider/0001356814","role":"Officer (EVP, CRO & IR DIR - PASI)","role_mark":"O","role_mark_label":"Officer (EVP, CRO & IR DIR - PASI)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP, CRO & IR DIR - PASI","security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":12112.0,"shares_display":"12,112","price_per_share":57.4,"price_display":"57.40","price_state":"stated","total_value":695228.8,"total_display":"695,228.80","total_whole":"695,229","shares_owned_after":37314.0,"shares_owned_after_display":"37,314","ownership_form":"D","is_10b5_1":null,"transaction_date":"2013-05-29","filed_date":"2013-05-30","scope":"insider"},{"id":4699720,"accession":"0001209191-13-009949","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001209191-13-009949","line_url":"/filing/0001209191-13-009949#line-3","is_derivative":false,"issuer_cik":"0001171500","issuer_name":"PLATINUM UNDERWRITERS HOLDINGS LTD","issuer_ticker":"PTP","issuer_name_source":null,"issuer_url":"/issuer/0001171500","owner_cik":"0001356814","owner_name":"Kurtzman Kenneth A","owner_display_name":"Kurtzman Kenneth A","owner_url":"/insider/0001356814","role":"Officer (EVP, CRO & IR DIR - PASI)","role_mark":"O","role_mark_label":"Officer (EVP, CRO & IR DIR - PASI)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP, CRO & IR DIR - PASI","security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2500.0,"shares_display":"2,500","price_per_share":51.9,"price_display":"51.90","price_state":"stated","total_value":129750.0,"total_display":"129,750.00","total_whole":"129,750","shares_owned_after":33891.0,"shares_owned_after_display":"33,891","ownership_form":"D","is_10b5_1":null,"transaction_date":"2013-02-19","filed_date":"2013-02-20","scope":"insider"},{"id":5395638,"accession":"0001209191-13-007026","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-13-007026","line_url":"/filing/0001209191-13-007026#line-1","is_derivative":false,"issuer_cik":"0001171500","issuer_name":"PLATINUM UNDERWRITERS HOLDINGS LTD","issuer_ticker":"PTP","issuer_name_source":null,"issuer_url":"/issuer/0001171500","owner_cik":"0001356814","owner_name":"Kurtzman Kenneth A","owner_display_name":"Kurtzman Kenneth A","owner_url":"/insider/0001356814","role":"Officer (EVP, CRO & IR DIR - PASI)","role_mark":"O","role_mark_label":"Officer (EVP, CRO & IR DIR - PASI)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP, CRO & IR DIR - PASI","security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2500.0,"shares_display":"2,500","price_per_share":49.9,"price_display":"49.90","price_state":"stated","total_value":124750.0,"total_display":"124,750.00","total_whole":"124,750","shares_owned_after":34672.0,"shares_owned_after_display":"34,672","ownership_form":"D","is_10b5_1":null,"transaction_date":"2013-02-07","filed_date":"2013-02-07","scope":"insider"},{"id":5297965,"accession":"0001209191-13-001926","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-13-001926","line_url":"/filing/0001209191-13-001926#line-1","is_derivative":false,"issuer_cik":"0001171500","issuer_name":"PLATINUM UNDERWRITERS HOLDINGS LTD","issuer_ticker":"PTP","issuer_name_source":null,"issuer_url":"/issuer/0001171500","owner_cik":"0001356814","owner_name":"Kurtzman Kenneth A","owner_display_name":"Kurtzman Kenneth A","owner_url":"/insider/0001356814","role":"Officer (EVP, CRO & IR DIR - PASI)","role_mark":"O","role_mark_label":"Officer (EVP, CRO & IR DIR - PASI)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP, CRO & IR DIR - PASI","security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2500.0,"shares_display":"2,500","price_per_share":47.9,"price_display":"47.90","price_state":"stated","total_value":119750.0,"total_display":"119,750.00","total_whole":"119,750","shares_owned_after":37172.0,"shares_owned_after_display":"37,172","ownership_form":"D","is_10b5_1":null,"transaction_date":"2013-01-04","filed_date":"2013-01-04","scope":"insider"},{"id":3542542,"accession":"0001209191-12-058782","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-12-058782","line_url":"/filing/0001209191-12-058782#line-1","is_derivative":false,"issuer_cik":"0001171500","issuer_name":"PLATINUM UNDERWRITERS HOLDINGS LTD","issuer_ticker":"PTP","issuer_name_source":null,"issuer_url":"/issuer/0001171500","owner_cik":"0001356814","owner_name":"Kurtzman Kenneth A","owner_display_name":"Kurtzman Kenneth A","owner_url":"/insider/0001356814","role":"Officer (EVP, CRO & IR DIR - PASI)","role_mark":"O","role_mark_label":"Officer (EVP, CRO & IR DIR - PASI)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP, CRO & IR DIR - PASI","security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2500.0,"shares_display":"2,500","price_per_share":45.9,"price_display":"45.90","price_state":"stated","total_value":114750.0,"total_display":"114,750.00","total_whole":"114,750","shares_owned_after":40297.0,"shares_owned_after_display":"40,297","ownership_form":"D","is_10b5_1":null,"transaction_date":"2012-12-19","filed_date":"2012-12-20","scope":"insider"},{"id":3534937,"accession":"0001209191-12-029886","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-12-029886","line_url":"/filing/0001209191-12-029886#line-1","is_derivative":false,"issuer_cik":"0001171500","issuer_name":"PLATINUM UNDERWRITERS HOLDINGS LTD","issuer_ticker":"PTP","issuer_name_source":null,"issuer_url":"/issuer/0001171500","owner_cik":"0001356814","owner_name":"Kurtzman Kenneth A","owner_display_name":"Kurtzman Kenneth A","owner_url":"/insider/0001356814","role":"Officer (EVP, CRO & IR DIR - PASI)","role_mark":"O","role_mark_label":"Officer (EVP, CRO & IR DIR - PASI)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP, CRO & IR DIR - PASI","security_title":"Common Shares","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":36.08,"price_display":"36.08","price_state":"stated","total_value":180400.0,"total_display":"180,400.00","total_whole":"180,400","shares_owned_after":42797.0,"shares_owned_after_display":"42,797","ownership_form":"D","is_10b5_1":null,"transaction_date":"2012-05-22","filed_date":"2012-05-23","scope":"insider"},{"id":3039448,"accession":"0001209191-12-025328","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-12-025328","line_url":"/filing/0001209191-12-025328#line-1","is_derivative":false,"issuer_cik":"0001171500","issuer_name":"PLATINUM UNDERWRITERS HOLDINGS LTD","issuer_ticker":"PTP","issuer_name_source":null,"issuer_url":"/issuer/0001171500","owner_cik":"0001356814","owner_name":"Kurtzman Kenneth A","owner_display_name":"Kurtzman Kenneth A","owner_url":"/insider/0001356814","role":"Officer (EVP & CRO - PASI)","role_mark":"O","role_mark_label":"Officer (EVP & CRO - PASI)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP & CRO - PASI","security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":10000.0,"shares_display":"10,000","price_per_share":37.22,"price_display":"37.22","price_state":"stated","total_value":372200.0,"total_display":"372,200.00","total_whole":"372,200","shares_owned_after":47797.0,"shares_owned_after_display":"47,797","ownership_form":"D","is_10b5_1":null,"transaction_date":"2012-05-01","filed_date":"2012-05-02","scope":"insider"},{"id":3035659,"accession":"0001209191-12-013466","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-12-013466","line_url":"/filing/0001209191-12-013466#line-1","is_derivative":false,"issuer_cik":"0001171500","issuer_name":"PLATINUM UNDERWRITERS HOLDINGS LTD","issuer_ticker":"PTP","issuer_name_source":null,"issuer_url":"/issuer/0001171500","owner_cik":"0001356814","owner_name":"Kurtzman Kenneth A","owner_display_name":"Kurtzman Kenneth A","owner_url":"/insider/0001356814","role":"Officer (EVP & CRO - PASI)","role_mark":"O","role_mark_label":"Officer (EVP & CRO - PASI)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP & CRO - PASI","security_title":"Common Shares","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":36.47,"price_display":"36.47","price_state":"stated","total_value":182350.0,"total_display":"182,350.00","total_whole":"182,350","shares_owned_after":57797.0,"shares_owned_after_display":"57,797","ownership_form":"D","is_10b5_1":null,"transaction_date":"2012-02-27","filed_date":"2012-02-28","scope":"insider"},{"id":7630916,"accession":"0001209191-10-053293","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-10-053293","line_url":"/filing/0001209191-10-053293#line-2","is_derivative":false,"issuer_cik":"0001171500","issuer_name":"PLATINUM UNDERWRITERS HOLDINGS LTD","issuer_ticker":"PTP","issuer_name_source":null,"issuer_url":"/issuer/0001171500","owner_cik":"0001356814","owner_name":"Kurtzman Kenneth A","owner_display_name":"Kurtzman Kenneth A","owner_url":"/insider/0001356814","role":"Officer (EVP & Chief Risk Officer)","role_mark":"O","role_mark_label":"Officer (EVP & Chief Risk Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP & Chief Risk Officer","security_title":"Common Shares","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":45.0012,"price_display":"45.00","price_state":"stated","total_value":225006.0,"total_display":"225,006.00","total_whole":"225,006","shares_owned_after":38645.0,"shares_owned_after_display":"38,645","ownership_form":"D","is_10b5_1":null,"transaction_date":"2010-11-04","filed_date":"2010-11-05","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":16,"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":16,"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":16},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001171500","name":"PLATINUM UNDERWRITERS HOLDINGS LTD","url":"/issuer/0001171500","role":"Officer (EVP, CRO & IR DIR - PASI)","n_filings":12,"first_seen":"2010-11-05","last_seen":"2013-11-01"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001356814","retrieved_at":"2026-08-25T17:16:56+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-24","last_ingest":"2026-08-25T05:24:19.374141+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"}}