{"entity":{"type":"insider","cik":"0001298490","url":"/insider/0001298490","json_url":"/insider/0001298490.json","name":"Wilder Warren W","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":5,"n_filings":3,"first":"2004-08-18","last":"2006-11-08","span_basis":"filed_date"},"name_variants":[{"name":"Wilder Warren W","source":"filing","n_filings":3,"first_seen":"2004-08-18","last_seen":"2006-11-08"}],"transactions":[{"id":5238943,"accession":"0001140361-06-015757","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001140361-06-015757","line_url":"/filing/0001140361-06-015757#line-2","is_derivative":false,"issuer_cik":"0001262823","issuer_name":"WESTLAKE CHEMICAL CORP","issuer_ticker":"WLK","issuer_name_source":null,"issuer_url":"/issuer/0001262823","owner_cik":"0001298490","owner_name":"Wilder Warren W","owner_url":"/insider/0001298490","role":"Officer (Senior Vice President)","officer_title":"Senior Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5295.0,"shares_display":"5,295","price_per_share":32.22,"price_display":"32.22","price_state":"stated","total_value":170604.9,"total_display":"170,604.90","shares_owned_after":2244.0,"shares_owned_after_display":"2,244","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-11-07","filed_date":"2006-11-08","scope":"insider"},{"id":1484706,"accession":"0001140361-05-006481","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001140361-05-006481","line_url":"/filing/0001140361-05-006481#line-4","is_derivative":false,"issuer_cik":"0001262823","issuer_name":"WESTLAKE CHEMICAL CORP","issuer_ticker":"WLK","issuer_name_source":null,"issuer_url":"/issuer/0001262823","owner_cik":"0001298490","owner_name":"Wilder Warren W","owner_url":"/insider/0001298490","role":"Officer (Vice President)","officer_title":"Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2700.0,"shares_display":"2,700","price_per_share":30.9,"price_display":"30.90","price_state":"stated","total_value":83430.0,"total_display":"83,430.00","shares_owned_after":2100.0,"shares_owned_after_display":"2,100","ownership_form":"D","is_10b5_1":null,"transaction_date":"2005-08-16","filed_date":"2005-08-17","scope":"insider"},{"id":1484705,"accession":"0001140361-05-006481","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001140361-05-006481","line_url":"/filing/0001140361-05-006481#line-3","is_derivative":false,"issuer_cik":"0001262823","issuer_name":"WESTLAKE CHEMICAL CORP","issuer_ticker":"WLK","issuer_name_source":null,"issuer_url":"/issuer/0001262823","owner_cik":"0001298490","owner_name":"Wilder Warren W","owner_url":"/insider/0001298490","role":"Officer (Vice President)","officer_title":"Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1800.0,"shares_display":"1,800","price_per_share":31.04,"price_display":"31.04","price_state":"stated","total_value":55872.0,"total_display":"55,872.00","shares_owned_after":300.0,"shares_owned_after_display":"300","ownership_form":"D","is_10b5_1":null,"transaction_date":"2005-08-16","filed_date":"2005-08-17","scope":"insider"},{"id":1484704,"accession":"0001140361-05-006481","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001140361-05-006481","line_url":"/filing/0001140361-05-006481#line-2","is_derivative":false,"issuer_cik":"0001262823","issuer_name":"WESTLAKE CHEMICAL CORP","issuer_ticker":"WLK","issuer_name_source":null,"issuer_url":"/issuer/0001262823","owner_cik":"0001298490","owner_name":"Wilder Warren W","owner_url":"/insider/0001298490","role":"Officer (Vice President)","officer_title":"Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":300.0,"shares_display":"300","price_per_share":30.84,"price_display":"30.84","price_state":"stated","total_value":9252.0,"total_display":"9,252.00","shares_owned_after":4800.0,"shares_owned_after_display":"4,800","ownership_form":"D","is_10b5_1":null,"transaction_date":"2005-08-16","filed_date":"2005-08-17","scope":"insider"},{"id":577870,"accession":"0001140361-04-004851","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001140361-04-004851","line_url":"/filing/0001140361-04-004851#line-2","is_derivative":false,"issuer_cik":"0001262823","issuer_name":"WESTLAKE CHEMICAL CORP","issuer_ticker":"WLK","issuer_name_source":null,"issuer_url":"/issuer/0001262823","owner_cik":"0001298490","owner_name":"Wilder Warren W","owner_url":"/insider/0001298490","role":"Officer (Vice President)","officer_title":"Vice President","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":500.0,"shares_display":"500","price_per_share":14.5,"price_display":"14.50","price_state":"stated","total_value":7250.0,"total_display":"7,250.00","shares_owned_after":500.0,"shares_owned_after_display":"500","ownership_form":"D","is_10b5_1":null,"transaction_date":"2004-08-16","filed_date":"2004-08-18","scope":"insider"}],"next_cursor":null,"ledger_fault":false,"count":{"value":5,"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":4,"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":5},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001262823","name":"WESTLAKE CHEMICAL CORP","url":"/issuer/0001262823","role":"Officer (Senior Vice President)","n_filings":3,"first_seen":"2004-08-18","last_seen":"2006-11-08"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001298490","retrieved_at":"2026-08-21T16:03:48+00:00","coverage":{"filings":1505395,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-20","last_ingest":"2026-08-21T05:23:33.898496+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"}}