{"entity":{"type":"insider","cik":"0001342335","url":"/insider/0001342335","json_url":"/insider/0001342335.json","name":"Cox Robert J III","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":38,"n_filings":11,"first":"2006-07-19","last":"2009-02-12","span_basis":"filed_date"},"name_variants":[{"name":"Cox Robert J III","source":"filing","n_filings":11,"first_seen":"2006-07-19","last_seen":"2009-02-12"}],"transactions":[{"id":5863512,"accession":"0001209191-09-008551","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-09-008551","line_url":"/filing/0001209191-09-008551#line-1","is_derivative":false,"issuer_cik":"0001333513","issuer_name":"DealerTrack Holdings, Inc.","issuer_ticker":"TRAK","issuer_name_source":null,"issuer_url":"/issuer/0001333513","owner_cik":"0001342335","owner_name":"Cox Robert J III","owner_display_name":"Cox Robert J III","owner_url":"/insider/0001342335","role":"Officer (SVP, CFO and Treasurer)","role_mark":"O","role_mark_label":"Officer (SVP, CFO and Treasurer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, CFO and Treasurer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1230.0,"shares_display":"1,230","price_per_share":12.5785,"price_display":"12.58","price_state":"stated","total_value":15471.555,"total_display":"15,471.56","total_whole":"15,472","shares_owned_after":86778.0,"shares_owned_after_display":"86,778","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-02-11","filed_date":"2009-02-12","scope":"insider"},{"id":5923594,"accession":"0001209191-09-006232","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-09-006232","line_url":"/filing/0001209191-09-006232#line-1","is_derivative":false,"issuer_cik":"0001333513","issuer_name":"DealerTrack Holdings, Inc.","issuer_ticker":"TRAK","issuer_name_source":null,"issuer_url":"/issuer/0001333513","owner_cik":"0001342335","owner_name":"Cox Robert J III","owner_display_name":"Cox Robert J III","owner_url":"/insider/0001342335","role":"Officer (SVP, CFO and Treasurer)","role_mark":"O","role_mark_label":"Officer (SVP, CFO and Treasurer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, CFO and Treasurer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1260.0,"shares_display":"1,260","price_per_share":11.253,"price_display":"11.25","price_state":"stated","total_value":14178.78,"total_display":"14,178.78","total_whole":"14,179","shares_owned_after":88008.0,"shares_owned_after_display":"88,008","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-02-02","filed_date":"2009-02-03","scope":"insider"},{"id":3750397,"accession":"0001209191-08-047392","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-08-047392","line_url":"/filing/0001209191-08-047392#line-1","is_derivative":false,"issuer_cik":"0001333513","issuer_name":"DealerTrack Holdings, Inc.","issuer_ticker":"TRAK","issuer_name_source":null,"issuer_url":"/issuer/0001333513","owner_cik":"0001342335","owner_name":"Cox Robert J III","owner_display_name":"Cox Robert J III","owner_url":"/insider/0001342335","role":"Officer (SVP, CFO and Treasurer)","role_mark":"O","role_mark_label":"Officer (SVP, CFO and Treasurer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, CFO and Treasurer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":423.0,"shares_display":"423","price_per_share":15.936,"price_display":"15.94","price_state":"stated","total_value":6740.928,"total_display":"6,740.93","total_whole":"6,741","shares_owned_after":89268.0,"shares_owned_after_display":"89,268","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-08-13","filed_date":"2008-08-14","scope":"insider"},{"id":4028573,"accession":"0001209191-08-034736","txn_seq":8,"anchor":"line-8","filing_url":"/filing/0001209191-08-034736","line_url":"/filing/0001209191-08-034736","is_derivative":false,"issuer_cik":"0001333513","issuer_name":"DealerTrack Holdings, Inc.","issuer_ticker":"TRAK","issuer_name_source":null,"issuer_url":"/issuer/0001333513","owner_cik":"0001342335","owner_name":"Cox Robert J III","owner_display_name":"Cox Robert J III","owner_url":"/insider/0001342335","role":"Officer (SVP, CFO and Treasurer)","role_mark":"O","role_mark_label":"Officer (SVP, CFO and Treasurer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, CFO and Treasurer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":846.0,"shares_display":"846","price_per_share":21.804609929078016,"price_display":"21.80","price_state":"stated","total_value":18446.7,"total_display":"18,446.70","total_whole":"18,447","shares_owned_after":89691.0,"shares_owned_after_display":"89,691","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-05-30","filed_date":"2008-06-03","scope":"insider","n_lines":8},{"id":3420453,"accession":"0001209191-08-010572","txn_seq":5,"anchor":"line-5","filing_url":"/filing/0001209191-08-010572","line_url":"/filing/0001209191-08-010572","is_derivative":false,"issuer_cik":"0001333513","issuer_name":"DealerTrack Holdings, Inc.","issuer_ticker":"TRAK","issuer_name_source":null,"issuer_url":"/issuer/0001333513","owner_cik":"0001342335","owner_name":"Cox Robert J III","owner_display_name":"Cox Robert J III","owner_url":"/insider/0001342335","role":"Officer (SVP, CFO and Treasurer)","role_mark":"O","role_mark_label":"Officer (SVP, CFO and Treasurer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, CFO and Treasurer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":933.0,"shares_display":"933","price_per_share":26.29966773847803,"price_display":"26.30","price_state":"stated","total_value":24537.59,"total_display":"24,537.59","total_whole":"24,538","shares_owned_after":91037.0,"shares_owned_after_display":"91,037","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-02-14","filed_date":"2008-02-14","scope":"insider","n_lines":5},{"id":3454993,"accession":"0001209191-08-007008","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-08-007008","line_url":"/filing/0001209191-08-007008#line-1","is_derivative":false,"issuer_cik":"0001333513","issuer_name":"DealerTrack Holdings, Inc.","issuer_ticker":"TRAK","issuer_name_source":null,"issuer_url":"/issuer/0001333513","owner_cik":"0001342335","owner_name":"Cox Robert J III","owner_display_name":"Cox Robert J III","owner_url":"/insider/0001342335","role":"Officer (SVP, CFO and Treasurer)","role_mark":"O","role_mark_label":"Officer (SVP, CFO and Treasurer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, CFO and Treasurer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1200.0,"shares_display":"1,200","price_per_share":25.65,"price_display":"25.65","price_state":"stated","total_value":30780.0,"total_display":"30,780.00","total_whole":"30,780","shares_owned_after":91470.0,"shares_owned_after_display":"91,470","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-01-30","filed_date":"2008-02-01","scope":"insider"},{"id":7138129,"accession":"0001209191-07-062705","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-07-062705","line_url":"/filing/0001209191-07-062705#line-1","is_derivative":false,"issuer_cik":"0001333513","issuer_name":"DealerTrack Holdings, Inc.","issuer_ticker":"TRAK","issuer_name_source":null,"issuer_url":"/issuer/0001333513","owner_cik":"0001342335","owner_name":"Cox Robert J III","owner_display_name":"Cox Robert J III","owner_url":"/insider/0001342335","role":"Officer (SVP, CFO and Treasurer)","role_mark":"O","role_mark_label":"Officer (SVP, CFO and Treasurer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, CFO and Treasurer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3268.0,"shares_display":"3,268","price_per_share":47.22,"price_display":"47.22","price_state":"stated","total_value":154314.96,"total_display":"154,314.96","total_whole":"154,315","shares_owned_after":92670.0,"shares_owned_after_display":"92,670","ownership_form":"D","is_10b5_1":null,"transaction_date":"2007-11-06","filed_date":"2007-11-08","scope":"insider"},{"id":7492454,"accession":"0001209191-07-048080","txn_seq":17,"anchor":"line-17","filing_url":"/filing/0001209191-07-048080","line_url":"/filing/0001209191-07-048080","is_derivative":false,"issuer_cik":"0001333513","issuer_name":"DealerTrack Holdings, Inc.","issuer_ticker":"TRAK","issuer_name_source":null,"issuer_url":"/issuer/0001333513","owner_cik":"0001342335","owner_name":"Cox Robert J III","owner_display_name":"Cox Robert J III","owner_url":"/insider/0001342335","role":"Officer (SVP, CFO and Treasurer)","role_mark":"O","role_mark_label":"Officer (SVP, CFO and Treasurer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, CFO and Treasurer","security_title":"Common Stock","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":40.30322,"price_display":"40.30","price_state":"stated","total_value":403032.2,"total_display":"403,032.20","total_whole":"403,032","shares_owned_after":103638.0,"shares_owned_after_display":"103,638","ownership_form":"D","is_10b5_1":null,"transaction_date":"2007-08-13","filed_date":"2007-08-14","scope":"insider","n_lines":17},{"id":6999895,"accession":"0001209191-07-034150","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-07-034150","line_url":"/filing/0001209191-07-034150#line-1","is_derivative":false,"issuer_cik":"0001333513","issuer_name":"DealerTrack Holdings, Inc.","issuer_ticker":"TRAK","issuer_name_source":null,"issuer_url":"/issuer/0001333513","owner_cik":"0001342335","owner_name":"Cox Robert J III","owner_display_name":"Cox Robert J III","owner_url":"/insider/0001342335","role":"Officer (SVP, CFO and Treasurer)","role_mark":"O","role_mark_label":"Officer (SVP, CFO and Treasurer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, CFO and Treasurer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":831.0,"shares_display":"831","price_per_share":34.3965,"price_display":"34.40","price_state":"stated","total_value":28583.4915,"total_display":"28,583.49","total_whole":"28,583","shares_owned_after":100938.0,"shares_owned_after_display":"100,938","ownership_form":"D","is_10b5_1":null,"transaction_date":"2007-05-30","filed_date":"2007-05-31","scope":"insider"},{"id":7692112,"accession":"0001209191-07-006470","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-07-006470","line_url":"/filing/0001209191-07-006470#line-1","is_derivative":false,"issuer_cik":"0001333513","issuer_name":"DealerTrack Holdings, Inc.","issuer_ticker":"TRAK","issuer_name_source":null,"issuer_url":"/issuer/0001333513","owner_cik":"0001342335","owner_name":"Cox Robert J III","owner_display_name":"Cox Robert J III","owner_url":"/insider/0001342335","role":"Officer (SVP, CFO and Treasurer)","role_mark":"O","role_mark_label":"Officer (SVP, CFO and Treasurer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, CFO and Treasurer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1200.0,"shares_display":"1,200","price_per_share":27.6211,"price_display":"27.62","price_state":"stated","total_value":33145.32,"total_display":"33,145.32","total_whole":"33,145","shares_owned_after":89769.0,"shares_owned_after_display":"89,769","ownership_form":"D","is_10b5_1":null,"transaction_date":"2007-01-30","filed_date":"2007-01-31","scope":"insider"},{"id":5426513,"accession":"0001209191-06-041723","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-06-041723","line_url":"/filing/0001209191-06-041723#line-1","is_derivative":false,"issuer_cik":"0001333513","issuer_name":"DealerTrack Holdings, Inc.","issuer_ticker":"TRAK","issuer_name_source":null,"issuer_url":"/issuer/0001333513","owner_cik":"0001342335","owner_name":"Cox Robert J III","owner_display_name":"Cox Robert J III","owner_url":"/insider/0001342335","role":"Officer (SVP, CFO and Treasurer)","role_mark":"O","role_mark_label":"Officer (SVP, CFO and Treasurer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, CFO and Treasurer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":7067.0,"shares_display":"7,067","price_per_share":21.6355,"price_display":"21.64","price_state":"stated","total_value":152898.0785,"total_display":"152,898.08","total_whole":"152,898","shares_owned_after":30969.0,"shares_owned_after_display":"30,969","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-07-17","filed_date":"2006-07-19","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":38,"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":38,"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":38},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001333513","name":"DealerTrack Holdings, Inc.","url":"/issuer/0001333513","role":"Officer (SVP, CFO and Treasurer)","n_filings":11,"first_seen":"2006-07-19","last_seen":"2009-02-12"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001342335","retrieved_at":"2026-08-24T15:42:14+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"}}