{"entity":{"type":"insider","cik":"0001428491","url":"/insider/0001428491","json_url":"/insider/0001428491.json","name":"Lazzaris Diane","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":35,"n_filings":11,"first":"2010-05-17","last":"2026-05-07","span_basis":"filed_date"},"name_variants":[{"name":"Lazzaris Diane","source":"filing","n_filings":11,"first_seen":"2010-05-17","last_seen":"2026-05-07"}],"transactions":[{"id":6073349,"accession":"0001193125-26-212633","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001193125-26-212633","line_url":"/filing/0001193125-26-212633","is_derivative":false,"issuer_cik":"0000929008","issuer_name":"WESCO INTERNATIONAL INC","issuer_ticker":"WCC","issuer_name_source":null,"issuer_url":"/issuer/0000929008","owner_cik":"0001428491","owner_name":"Lazzaris Diane","owner_display_name":"Lazzaris Diane","owner_url":"/insider/0001428491","role":"Officer (EVP and General Counsel)","role_mark":"O","role_mark_label":"Officer (EVP and General Counsel)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP and General Counsel","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":9910.0,"shares_display":"9,910","price_per_share":359.4822300706357,"price_display":"359.48","price_state":"stated","total_value":3562468.9,"total_display":"3,562,468.90","total_whole":"3,562,469","shares_owned_after":19770.9979,"shares_owned_after_display":"19,771.00","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-05-06","filed_date":"2026-05-07","scope":"insider","n_lines":3},{"id":5745301,"accession":"0001193125-26-057734","txn_seq":16,"anchor":"line-16","filing_url":"/filing/0001193125-26-057734","line_url":"/filing/0001193125-26-057734","is_derivative":false,"issuer_cik":"0000929008","issuer_name":"WESCO INTERNATIONAL INC","issuer_ticker":"WCC","issuer_name_source":null,"issuer_url":"/issuer/0000929008","owner_cik":"0001428491","owner_name":"Lazzaris Diane","owner_display_name":"Lazzaris Diane","owner_url":"/insider/0001428491","role":"Officer (EVP and General Counsel)","role_mark":"O","role_mark_label":"Officer (EVP and General Counsel)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP and General Counsel","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2747.0,"shares_display":"2,747","price_per_share":302.60543137968693,"price_display":"302.61","price_state":"stated","total_value":831257.12,"total_display":"831,257.12","total_whole":"831,257","shares_owned_after":29988.8255,"shares_owned_after_display":"29,988.83","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-02-18","filed_date":"2026-02-18","scope":"insider","n_lines":3},{"id":5745297,"accession":"0001193125-26-057734","txn_seq":13,"anchor":"line-13","filing_url":"/filing/0001193125-26-057734","line_url":"/filing/0001193125-26-057734","is_derivative":false,"issuer_cik":"0000929008","issuer_name":"WESCO INTERNATIONAL INC","issuer_ticker":"WCC","issuer_name_source":null,"issuer_url":"/issuer/0000929008","owner_cik":"0001428491","owner_name":"Lazzaris Diane","owner_display_name":"Lazzaris Diane","owner_url":"/insider/0001428491","role":"Officer (EVP and General Counsel)","role_mark":"O","role_mark_label":"Officer (EVP and General Counsel)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP and General Counsel","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":17294.0,"shares_display":"17,294","price_per_share":304.9970689256389,"price_display":"305.00","price_state":"stated","total_value":5274619.31,"total_display":"5,274,619.31","total_whole":"5,274,619","shares_owned_after":36516.8255,"shares_owned_after_display":"36,516.83","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-02-17","filed_date":"2026-02-18","scope":"insider","n_lines":6},{"id":4093310,"accession":"0001193125-25-270159","txn_seq":5,"anchor":"line-5","filing_url":"/filing/0001193125-25-270159","line_url":"/filing/0001193125-25-270159","is_derivative":false,"issuer_cik":"0000929008","issuer_name":"WESCO INTERNATIONAL INC","issuer_ticker":"WCC","issuer_name_source":null,"issuer_url":"/issuer/0000929008","owner_cik":"0001428491","owner_name":"Lazzaris Diane","owner_display_name":"Lazzaris Diane","owner_url":"/insider/0001428491","role":"Officer (EVP and General Counsel)","role_mark":"O","role_mark_label":"Officer (EVP and General Counsel)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP and General Counsel","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4039.0,"shares_display":"4,039","price_per_share":258.41782619460264,"price_display":"258.42","price_state":"stated","total_value":1043749.6,"total_display":"1,043,749.60","total_whole":"1,043,750","shares_owned_after":45601.1402,"shares_owned_after_display":"45,601.14","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-11-05","filed_date":"2025-11-06","scope":"insider","n_lines":2},{"id":4093299,"accession":"0001193125-25-270159","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001193125-25-270159","line_url":"/filing/0001193125-25-270159","is_derivative":false,"issuer_cik":"0000929008","issuer_name":"WESCO INTERNATIONAL INC","issuer_ticker":"WCC","issuer_name_source":null,"issuer_url":"/issuer/0000929008","owner_cik":"0001428491","owner_name":"Lazzaris Diane","owner_display_name":"Lazzaris Diane","owner_url":"/insider/0001428491","role":"Officer (EVP and General Counsel)","role_mark":"O","role_mark_label":"Officer (EVP and General Counsel)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP and General Counsel","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":7522.0,"shares_display":"7,522","price_per_share":255.9968359478862,"price_display":"256.00","price_state":"stated","total_value":1925608.2,"total_display":"1,925,608.20","total_whole":"1,925,608","shares_owned_after":47751.1402,"shares_owned_after_display":"47,751.14","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-11-04","filed_date":"2025-11-06","scope":"insider","n_lines":2},{"id":4620293,"accession":"0000950170-25-112018","txn_seq":8,"anchor":"line-8","filing_url":"/filing/0000950170-25-112018","line_url":"/filing/0000950170-25-112018","is_derivative":false,"issuer_cik":"0000929008","issuer_name":"WESCO INTERNATIONAL INC","issuer_ticker":"WCC","issuer_name_source":null,"issuer_url":"/issuer/0000929008","owner_cik":"0001428491","owner_name":"Lazzaris Diane","owner_display_name":"Lazzaris Diane","owner_url":"/insider/0001428491","role":"Officer (EVP and General Counsel)","role_mark":"O","role_mark_label":"Officer (EVP and General Counsel)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP and General Counsel","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4260.0,"shares_display":"4,260","price_per_share":226.77490140845072,"price_display":"226.77","price_state":"stated","total_value":966061.08,"total_display":"966,061.08","total_whole":"966,061","shares_owned_after":54867.5723,"shares_owned_after_display":"54,867.57","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-08-28","filed_date":"2025-08-28","scope":"insider","n_lines":2},{"id":4620259,"accession":"0000950170-25-112018","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0000950170-25-112018","line_url":"/filing/0000950170-25-112018","is_derivative":false,"issuer_cik":"0000929008","issuer_name":"WESCO INTERNATIONAL INC","issuer_ticker":"WCC","issuer_name_source":null,"issuer_url":"/issuer/0000929008","owner_cik":"0001428491","owner_name":"Lazzaris Diane","owner_display_name":"Lazzaris Diane","owner_url":"/insider/0001428491","role":"Officer (EVP and General Counsel)","role_mark":"O","role_mark_label":"Officer (EVP and General Counsel)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP and General Counsel","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3160.0,"shares_display":"3,160","price_per_share":226.26546518987342,"price_display":"226.27","price_state":"stated","total_value":714998.87,"total_display":"714,998.87","total_whole":"714,999","shares_owned_after":53998.5723,"shares_owned_after_display":"53,998.57","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-08-26","filed_date":"2025-08-28","scope":"insider","n_lines":3},{"id":7967699,"accession":"0001209191-23-012810","txn_seq":9,"anchor":"line-9","filing_url":"/filing/0001209191-23-012810","line_url":"/filing/0001209191-23-012810","is_derivative":false,"issuer_cik":"0000929008","issuer_name":"WESCO INTERNATIONAL INC","issuer_ticker":"WCC","issuer_name_source":null,"issuer_url":"/issuer/0000929008","owner_cik":"0001428491","owner_name":"Lazzaris Diane","owner_display_name":"Lazzaris Diane","owner_url":"/insider/0001428491","role":"Officer (EVP and General Counsel)","role_mark":"O","role_mark_label":"Officer (EVP and General Counsel)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP and General Counsel","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4862.0,"shares_display":"4,862","price_per_share":163.37727684080625,"price_display":"163.38","price_state":"stated","total_value":794340.32,"total_display":"794,340.32","total_whole":"794,340","shares_owned_after":51380.0,"shares_owned_after_display":"51,380","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-02-23","filed_date":"2023-02-24","scope":"insider","n_lines":3},{"id":7967690,"accession":"0001209191-23-012810","txn_seq":6,"anchor":"line-6","filing_url":"/filing/0001209191-23-012810","line_url":"/filing/0001209191-23-012810","is_derivative":false,"issuer_cik":"0000929008","issuer_name":"WESCO INTERNATIONAL INC","issuer_ticker":"WCC","issuer_name_source":null,"issuer_url":"/issuer/0000929008","owner_cik":"0001428491","owner_name":"Lazzaris Diane","owner_display_name":"Lazzaris Diane","owner_url":"/insider/0001428491","role":"Officer (EVP and General Counsel)","role_mark":"O","role_mark_label":"Officer (EVP and General Counsel)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP and General Counsel","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":10748.0,"shares_display":"10,748","price_per_share":161.55881838481577,"price_display":"161.56","price_state":"stated","total_value":1736434.18,"total_display":"1,736,434.18","total_whole":"1,736,434","shares_owned_after":58038.0,"shares_owned_after_display":"58,038","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-02-22","filed_date":"2023-02-24","scope":"insider","n_lines":3},{"id":4588218,"accession":"0001209191-21-065082","txn_seq":7,"anchor":"line-7","filing_url":"/filing/0001209191-21-065082","line_url":"/filing/0001209191-21-065082#line-7","is_derivative":false,"issuer_cik":"0000929008","issuer_name":"WESCO INTERNATIONAL INC","issuer_ticker":"WCC","issuer_name_source":null,"issuer_url":"/issuer/0000929008","owner_cik":"0001428491","owner_name":"Lazzaris Diane","owner_display_name":"Lazzaris Diane","owner_url":"/insider/0001428491","role":"Officer (EVP and General Counsel)","role_mark":"O","role_mark_label":"Officer (EVP and General Counsel)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP and General Counsel","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":6083.0,"shares_display":"6,083","price_per_share":136.5,"price_display":"136.50","price_state":"stated","total_value":830329.5,"total_display":"830,329.50","total_whole":"830,330","shares_owned_after":24526.0,"shares_owned_after_display":"24,526","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-11-16","filed_date":"2021-11-17","scope":"insider"},{"id":4384912,"accession":"0001209191-21-053606","txn_seq":11,"anchor":"line-11","filing_url":"/filing/0001209191-21-053606","line_url":"/filing/0001209191-21-053606","is_derivative":false,"issuer_cik":"0000929008","issuer_name":"WESCO INTERNATIONAL INC","issuer_ticker":"WCC","issuer_name_source":null,"issuer_url":"/issuer/0000929008","owner_cik":"0001428491","owner_name":"Lazzaris Diane","owner_display_name":"Lazzaris Diane","owner_url":"/insider/0001428491","role":"Officer (EVP and General Counsel)","role_mark":"O","role_mark_label":"Officer (EVP and General Counsel)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP and General Counsel","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":9357.0,"shares_display":"9,357","price_per_share":116.24517473549214,"price_display":"116.25","price_state":"stated","total_value":1087706.1,"total_display":"1,087,706.10","total_whole":"1,087,706","shares_owned_after":29140.0,"shares_owned_after_display":"29,140","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-08-26","filed_date":"2021-08-27","scope":"insider","n_lines":2},{"id":5333349,"accession":"0001209191-21-033252","txn_seq":8,"anchor":"line-8","filing_url":"/filing/0001209191-21-033252","line_url":"/filing/0001209191-21-033252","is_derivative":false,"issuer_cik":"0000929008","issuer_name":"WESCO INTERNATIONAL INC","issuer_ticker":"WCC","issuer_name_source":null,"issuer_url":"/issuer/0000929008","owner_cik":"0001428491","owner_name":"Lazzaris Diane","owner_display_name":"Lazzaris Diane","owner_url":"/insider/0001428491","role":"Officer (EVP and General Counsel)","role_mark":"O","role_mark_label":"Officer (EVP and General Counsel)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP and General Counsel","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":11180.0,"shares_display":"11,180","price_per_share":108.24912343470483,"price_display":"108.25","price_state":"stated","total_value":1210225.2,"total_display":"1,210,225.20","total_whole":"1,210,225","shares_owned_after":21258.0,"shares_owned_after_display":"21,258","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-05-14","filed_date":"2021-05-17","scope":"insider","n_lines":2},{"id":2445907,"accession":"0001209191-20-061105","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001209191-20-061105","line_url":"/filing/0001209191-20-061105#line-4","is_derivative":false,"issuer_cik":"0000929008","issuer_name":"WESCO INTERNATIONAL INC","issuer_ticker":"WCC","issuer_name_source":null,"issuer_url":"/issuer/0000929008","owner_cik":"0001428491","owner_name":"Lazzaris Diane","owner_display_name":"Lazzaris Diane","owner_url":"/insider/0001428491","role":"Officer (EVP and General Counsel)","role_mark":"O","role_mark_label":"Officer (EVP and General Counsel)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP and General Counsel","security_title":"WESCO International Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":547.0,"shares_display":"547","price_per_share":65.21,"price_display":"65.21","price_state":"stated","total_value":35669.87,"total_display":"35,669.87","total_whole":"35,670","shares_owned_after":16617.0,"shares_owned_after_display":"16,617","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-12-01","filed_date":"2020-12-02","scope":"insider"},{"id":3298555,"accession":"0001209191-16-151713","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001209191-16-151713","line_url":"/filing/0001209191-16-151713#line-4","is_derivative":false,"issuer_cik":"0000929008","issuer_name":"WESCO INTERNATIONAL INC","issuer_ticker":"WCC","issuer_name_source":null,"issuer_url":"/issuer/0000929008","owner_cik":"0001428491","owner_name":"Lazzaris Diane","owner_display_name":"Lazzaris Diane","owner_url":"/insider/0001428491","role":"Officer (SVP and General Counsel)","role_mark":"O","role_mark_label":"Officer (SVP and General Counsel)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP and General Counsel","security_title":"WESCO International Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5028.0,"shares_display":"5,028","price_per_share":64.65,"price_display":"64.65","price_state":"stated","total_value":325060.2,"total_display":"325,060.20","total_whole":"325,060","shares_owned_after":8525.0,"shares_owned_after_display":"8,525","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-11-22","filed_date":"2016-11-22","scope":"insider"},{"id":7610085,"accession":"0001209191-10-028102","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-10-028102","line_url":"/filing/0001209191-10-028102#line-1","is_derivative":false,"issuer_cik":"0000929008","issuer_name":"WESCO INTERNATIONAL INC","issuer_ticker":"WCC","issuer_name_source":null,"issuer_url":"/issuer/0000929008","owner_cik":"0001428491","owner_name":"Lazzaris Diane","owner_display_name":"Lazzaris Diane","owner_url":"/insider/0001428491","role":"Officer (Vice President, Legal Affairs)","role_mark":"O","role_mark_label":"Officer (Vice President, Legal Affairs)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Vice President, Legal Affairs","security_title":"WESCO International, Inc. Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":4000.0,"shares_display":"4,000","price_per_share":38.0521,"price_display":"38.05","price_state":"stated","total_value":152208.4,"total_display":"152,208.40","total_whole":"152,208","shares_owned_after":4000.0,"shares_owned_after_display":"4,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2010-05-14","filed_date":"2010-05-17","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":35,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":1,"open_market":true},{"code":"S","label":"Open-market sale","n":34,"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":35},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0000929008","name":"WESCO INTERNATIONAL INC","url":"/issuer/0000929008","role":"Officer (EVP and General Counsel)","n_filings":11,"first_seen":"2010-05-17","last_seen":"2026-05-07"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001428491","retrieved_at":"2026-08-23T21:18:59+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"}}