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Stock","published_at":"2017-02-16T16:19:37.000Z","date":"2017-02-14","kind":"exercise","acquired":true,"shares":972,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Restricted stock units convert into Issuer's common stock on a one-for-one basis."}],"balance_after":13475,"source":{"system":"sec-edgar","filing":"0001140361-17-007945","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1298504/000114036117007945/doc1.xml","form_type":"4"}},{"id":4533077,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":151560,"kind":"person","name":"Mangieri George J","position":1,"cik":"0001298504","reported_name":"Mangieri George J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP & Chief Accounting Officer"}}],"security":"Restricted Stock 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Stock","underlying_shares":3330},"source":{"system":"sec-edgar","filing":"0001140361-16-088819","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1298504/000114036116088819/doc1.xml","form_type":"4"}},{"id":4557593,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":151560,"kind":"person","name":"Mangieri George J","position":1,"cik":"0001298504","reported_name":"Mangieri George J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2016-11-14T16:36:50.000Z","date":"2016-11-11","kind":"sale","acquired":false,"shares":5696,"price":52.9086,"value":301367.3856,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"In accordance with the Securities and Exchange Commission's No Action Letter dated June 25, 2008, we have aggregated the sales that occurred on November 11, 2016 for ease of reporting.  The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions ranging from $52.90 to 52.95, inclusive.  The reporting person undertakes to provide to Westlake Chemical Corp., any security holder of Westlake Chemical Corp. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1) to this Form 4."}],"balance_after":12503,"source":{"system":"sec-edgar","filing":"0001140361-16-086475","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1298504/000114036116086475/doc1.xml","form_type":"4"}}]}