{"entity":{"type":"insider","cik":"0001333159","url":"/insider/0001333159","json_url":"/insider/0001333159.json","name":"Bartzokas Robert John","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":6,"n_filings":6,"first":"2006-09-11","last":"2008-09-10","span_basis":"filed_date"},"name_variants":[{"name":"Bartzokas Robert John","source":"filing","n_filings":6,"first_seen":"2006-09-11","last_seen":"2008-09-10"}],"transactions":[{"id":2301275,"accession":"0000903423-08-000736","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000903423-08-000736","line_url":"/filing/0000903423-08-000736#line-1","is_derivative":false,"issuer_cik":"0000072911","issuer_name":"NORTEL NETWORKS CORP","issuer_ticker":"NT","issuer_name_source":null,"issuer_url":"/issuer/0000072911","owner_cik":"0001333159","owner_name":"Bartzokas Robert John","owner_display_name":"Bartzokas Robert John","owner_url":"/insider/0001333159","role":"Officer (CHIEF COMPLIANCE OFFICER)","role_mark":"O","role_mark_label":"Officer (CHIEF COMPLIANCE OFFICER)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CHIEF COMPLIANCE OFFICER","security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":520.0,"shares_display":"520","price_per_share":5.55,"price_display":"5.55","price_state":"stated","total_value":2886.0,"total_display":"2,886.00","total_whole":"2,886","shares_owned_after":2485.0,"shares_owned_after_display":"2,485","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-09-09","filed_date":"2008-09-10","scope":"insider"},{"id":2433346,"accession":"0000903423-08-000502","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000903423-08-000502","line_url":"/filing/0000903423-08-000502#line-1","is_derivative":false,"issuer_cik":"0000072911","issuer_name":"NORTEL NETWORKS CORP","issuer_ticker":"NT","issuer_name_source":null,"issuer_url":"/issuer/0000072911","owner_cik":"0001333159","owner_name":"Bartzokas Robert John","owner_display_name":"Bartzokas Robert John","owner_url":"/insider/0001333159","role":"Officer (CHIEF COMPLIANCE OFFICER)","role_mark":"O","role_mark_label":"Officer (CHIEF COMPLIANCE OFFICER)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CHIEF COMPLIANCE OFFICER","security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":911.0,"shares_display":"911","price_per_share":10.1429,"price_display":"10.14","price_state":"stated","total_value":9240.1819,"total_display":"9,240.18","total_whole":"9,240","shares_owned_after":5927.0,"shares_owned_after_display":"5,927","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-06-17","filed_date":"2008-06-18","scope":"insider"},{"id":3112107,"accession":"0000903423-08-000290","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000903423-08-000290","line_url":"/filing/0000903423-08-000290#line-1","is_derivative":false,"issuer_cik":"0000072911","issuer_name":"NORTEL NETWORKS CORP","issuer_ticker":"NT","issuer_name_source":null,"issuer_url":"/issuer/0000072911","owner_cik":"0001333159","owner_name":"Bartzokas Robert John","owner_display_name":"Bartzokas Robert John","owner_url":"/insider/0001333159","role":"Officer (CHIEF COMPLIANCE OFFICER)","role_mark":"O","role_mark_label":"Officer (CHIEF COMPLIANCE OFFICER)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CHIEF COMPLIANCE OFFICER","security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1134.0,"shares_display":"1,134","price_per_share":6.59,"price_display":"6.59","price_state":"stated","total_value":7473.06,"total_display":"7,473.06","total_whole":"7,473","shares_owned_after":7566.0,"shares_owned_after_display":"7,566","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-03-27","filed_date":"2008-03-31","scope":"insider"},{"id":7123320,"accession":"0000903423-07-000868","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000903423-07-000868","line_url":"/filing/0000903423-07-000868#line-1","is_derivative":false,"issuer_cik":"0000072911","issuer_name":"NORTEL NETWORKS CORP","issuer_ticker":"NT","issuer_name_source":null,"issuer_url":"/issuer/0000072911","owner_cik":"0001333159","owner_name":"Bartzokas Robert John","owner_display_name":"Bartzokas Robert John","owner_url":"/insider/0001333159","role":"Officer (CHIEF COMPLIANCE OFFICER)","role_mark":"O","role_mark_label":"Officer (CHIEF COMPLIANCE OFFICER)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CHIEF COMPLIANCE OFFICER","security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":494.0,"shares_display":"494","price_per_share":16.8,"price_display":"16.80","price_state":"stated","total_value":8299.2,"total_display":"8,299.20","total_whole":"8,299","shares_owned_after":3005.0,"shares_owned_after_display":"3,005","ownership_form":"D","is_10b5_1":null,"transaction_date":"2007-09-10","filed_date":"2007-09-11","scope":"insider"},{"id":7545561,"accession":"0000903423-07-000593","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000903423-07-000593","line_url":"/filing/0000903423-07-000593#line-1","is_derivative":false,"issuer_cik":"0000072911","issuer_name":"NORTEL NETWORKS CORP","issuer_ticker":"NT","issuer_name_source":null,"issuer_url":"/issuer/0000072911","owner_cik":"0001333159","owner_name":"Bartzokas Robert John","owner_display_name":"Bartzokas Robert John","owner_url":"/insider/0001333159","role":"Officer (CHIEF COMPLIANCE OFFICER)","role_mark":"O","role_mark_label":"Officer (CHIEF COMPLIANCE OFFICER)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CHIEF COMPLIANCE OFFICER","security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":662.0,"shares_display":"662","price_per_share":25.5,"price_display":"25.50","price_state":"stated","total_value":16881.0,"total_display":"16,881.00","total_whole":"16,881","shares_owned_after":6838.0,"shares_owned_after_display":"6,838","ownership_form":"D","is_10b5_1":null,"transaction_date":"2007-06-15","filed_date":"2007-06-18","scope":"insider"},{"id":4060253,"accession":"0000903423-06-001019","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000903423-06-001019","line_url":"/filing/0000903423-06-001019#line-1","is_derivative":false,"issuer_cik":"0000072911","issuer_name":"NORTEL NETWORKS CORP","issuer_ticker":"NT","issuer_name_source":null,"issuer_url":"/issuer/0000072911","owner_cik":"0001333159","owner_name":"Bartzokas Robert John","owner_display_name":"Bartzokas Robert John","owner_url":"/insider/0001333159","role":"Officer (CHIEF COMPLIANCE OFFICER)","role_mark":"O","role_mark_label":"Officer (CHIEF COMPLIANCE OFFICER)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CHIEF COMPLIANCE OFFICER","security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5007.0,"shares_display":"5,007","price_per_share":2.08,"price_display":"2.08","price_state":"stated","total_value":10414.56,"total_display":"10,414.56","total_whole":"10,415","shares_owned_after":34993.0,"shares_owned_after_display":"34,993","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-09-07","filed_date":"2006-09-11","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":6,"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":6,"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":6},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0000072911","name":"NORTEL NETWORKS CORP","url":"/issuer/0000072911","role":"Officer (CHIEF COMPLIANCE OFFICER)","n_filings":6,"first_seen":"2006-09-11","last_seen":"2008-09-10"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001333159","retrieved_at":"2026-08-25T03:03:26+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"}}