{"entity":{"type":"insider","cik":"0001319823","url":"/insider/0001319823","json_url":"/insider/0001319823.json","name":"Kritzman Mark P","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":9,"n_filings":9,"first":"2005-03-16","last":"2007-04-02","span_basis":"filed_date"},"name_variants":[{"name":"Kritzman Mark P","source":"filing","n_filings":9,"first_seen":"2005-03-16","last_seen":"2007-04-02"}],"transactions":[{"id":7254597,"accession":"0001181431-07-022570","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001181431-07-022570","line_url":"/filing/0001181431-07-022570#line-1","is_derivative":false,"issuer_cik":"0001295230","issuer_name":"International Securities Exchange Holdings, Inc.","issuer_ticker":"ISE","issuer_name_source":null,"issuer_url":"/issuer/0001295230","owner_cik":"0001319823","owner_name":"Kritzman Mark P","owner_display_name":"Kritzman Mark P","owner_url":"/insider/0001319823","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":33.0,"shares_display":"33","price_per_share":41.48,"price_display":"41.48","price_state":"stated","total_value":1368.84,"total_display":"1,368.84","total_whole":"1,369","shares_owned_after":8303.0,"shares_owned_after_display":"8,303","ownership_form":"D","is_10b5_1":null,"transaction_date":"2007-03-30","filed_date":"2007-04-02","scope":"insider"},{"id":7518459,"accession":"0001181431-07-001451","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001181431-07-001451","line_url":"/filing/0001181431-07-001451#line-1","is_derivative":false,"issuer_cik":"0001295230","issuer_name":"International Securities Exchange Holdings, Inc.","issuer_ticker":"ISE","issuer_name_source":null,"issuer_url":"/issuer/0001295230","owner_cik":"0001319823","owner_name":"Kritzman Mark P","owner_display_name":"Kritzman Mark P","owner_url":"/insider/0001319823","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":108.0,"shares_display":"108","price_per_share":39.77,"price_display":"39.77","price_state":"stated","total_value":4295.16,"total_display":"4,295.16","total_whole":"4,295","shares_owned_after":8270.0,"shares_owned_after_display":"8,270","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-12-29","filed_date":"2007-01-04","scope":"insider"},{"id":5349878,"accession":"0001181431-06-056031","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001181431-06-056031","line_url":"/filing/0001181431-06-056031#line-1","is_derivative":false,"issuer_cik":"0001295230","issuer_name":"International Securities Exchange Holdings, Inc.","issuer_ticker":"ISE","issuer_name_source":null,"issuer_url":"/issuer/0001295230","owner_cik":"0001319823","owner_name":"Kritzman Mark P","owner_display_name":"Kritzman Mark P","owner_url":"/insider/0001319823","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":60.0,"shares_display":"60","price_per_share":39.86,"price_display":"39.86","price_state":"stated","total_value":2391.6,"total_display":"2,391.60","total_whole":"2,392","shares_owned_after":8162.0,"shares_owned_after_display":"8,162","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-10-02","filed_date":"2006-10-03","scope":"insider"},{"id":3940943,"accession":"0001181431-06-040594","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001181431-06-040594","line_url":"/filing/0001181431-06-040594#line-1","is_derivative":false,"issuer_cik":"0001295230","issuer_name":"International Securities Exchange, Inc.","issuer_ticker":"ISE","issuer_name_source":null,"issuer_url":"/issuer/0001295230","owner_cik":"0001319823","owner_name":"Kritzman Mark P","owner_display_name":"Kritzman Mark P","owner_url":"/insider/0001319823","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":156.0,"shares_display":"156","price_per_share":32.36,"price_display":"32.36","price_state":"stated","total_value":5048.16,"total_display":"5,048.16","total_whole":"5,048","shares_owned_after":8102.0,"shares_owned_after_display":"8,102","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-06-30","filed_date":"2006-07-06","scope":"insider"},{"id":5532277,"accession":"0001181431-06-021701","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001181431-06-021701","line_url":"/filing/0001181431-06-021701#line-1","is_derivative":false,"issuer_cik":"0001295230","issuer_name":"International Securities Exchange, Inc.","issuer_ticker":"ISE","issuer_name_source":null,"issuer_url":"/issuer/0001295230","owner_cik":"0001319823","owner_name":"Kritzman Mark P","owner_display_name":"Kritzman Mark P","owner_url":"/insider/0001319823","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":39.0,"shares_display":"39","price_per_share":35.4,"price_display":"35.40","price_state":"stated","total_value":1380.6,"total_display":"1,380.60","total_whole":"1,381","shares_owned_after":7946.0,"shares_owned_after_display":"7,946","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-03-31","filed_date":"2006-04-04","scope":"insider"},{"id":3933479,"accession":"0001181431-06-000524","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001181431-06-000524","line_url":"/filing/0001181431-06-000524#line-1","is_derivative":false,"issuer_cik":"0001295230","issuer_name":"International Securities Exchange, Inc.","issuer_ticker":"ISE","issuer_name_source":null,"issuer_url":"/issuer/0001295230","owner_cik":"0001319823","owner_name":"Kritzman Mark P","owner_display_name":"Kritzman Mark P","owner_url":"/insider/0001319823","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":174.0,"shares_display":"174","price_per_share":23.4,"price_display":"23.40","price_state":"stated","total_value":4071.6,"total_display":"4,071.60","total_whole":"4,072","shares_owned_after":7907.0,"shares_owned_after_display":"7,907","ownership_form":"D","is_10b5_1":null,"transaction_date":"2005-12-30","filed_date":"2006-01-04","scope":"insider"},{"id":1554195,"accession":"0001181431-05-054576","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001181431-05-054576","line_url":"/filing/0001181431-05-054576#line-1","is_derivative":false,"issuer_cik":"0001295230","issuer_name":"International Securities Exchange, Inc.","issuer_ticker":"ISE","issuer_name_source":null,"issuer_url":"/issuer/0001295230","owner_cik":"0001319823","owner_name":"Kritzman Mark P","owner_display_name":"Kritzman Mark P","owner_url":"/insider/0001319823","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":194.0,"shares_display":"194","price_per_share":19.89,"price_display":"19.89","price_state":"stated","total_value":3858.66,"total_display":"3,858.66","total_whole":"3,859","shares_owned_after":7733.0,"shares_owned_after_display":"7,733","ownership_form":"D","is_10b5_1":null,"transaction_date":"2005-09-30","filed_date":"2005-10-03","scope":"insider"},{"id":1563855,"accession":"0001181431-05-038147","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001181431-05-038147","line_url":"/filing/0001181431-05-038147#line-1","is_derivative":false,"issuer_cik":"0001295230","issuer_name":"International Securities Exchange, Inc.","issuer_ticker":"ISE","issuer_name_source":null,"issuer_url":"/issuer/0001295230","owner_cik":"0001319823","owner_name":"Kritzman Mark P","owner_display_name":"Kritzman Mark P","owner_url":"/insider/0001319823","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":199.0,"shares_display":"199","price_per_share":21.34,"price_display":"21.34","price_state":"stated","total_value":4246.66,"total_display":"4,246.66","total_whole":"4,247","shares_owned_after":7539.0,"shares_owned_after_display":"7,539","ownership_form":"D","is_10b5_1":null,"transaction_date":"2005-06-30","filed_date":"2005-07-05","scope":"insider"},{"id":1433352,"accession":"0001181431-05-017191","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001181431-05-017191","line_url":"/filing/0001181431-05-017191#line-1","is_derivative":false,"issuer_cik":"0001295230","issuer_name":"International Securities Exchange, Inc.","issuer_ticker":"ISE","issuer_name_source":null,"issuer_url":"/issuer/0001295230","owner_cik":"0001319823","owner_name":"Kritzman Mark P","owner_display_name":"Kritzman Mark P","owner_url":"/insider/0001319823","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":2540.0,"shares_display":"2,540","price_per_share":18.0,"price_display":"18.00","price_state":"stated","total_value":45720.0,"total_display":"45,720.00","total_whole":"45,720","shares_owned_after":7340.0,"shares_owned_after_display":"7,340","ownership_form":"D","is_10b5_1":null,"transaction_date":"2005-03-14","filed_date":"2005-03-16","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":9,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":9,"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":9},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001295230","name":"International Securities Exchange Holdings, Inc.","url":"/issuer/0001295230","role":"Director","n_filings":9,"first_seen":"2005-03-16","last_seen":"2007-04-02"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001319823","retrieved_at":"2026-08-26T13:46:02+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-25","last_ingest":"2026-08-26T05:24:25.741053+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"}}