{"transactions":[{"id":3050944,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-08-20T14:09:23.000Z","date":"2020-03-27","kind":"purchase","acquired":true,"shares":160000,"price":39.08,"value":6252800.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F11","text":"Reflects the average price of shares purchased March 27, 2020.  Each line in Table I of the original Form 4, filed March 30, 2020, correctly aggregated purchases within a $1.00 price range."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Amended to reflect total direct ownership of Issuer shares as of the original Form 4 filing date. Purchases reported on and after March 16, 2020 were erroneously added to existing indirect holdings. These indirect holdings of 46,005,227 (which correspond to a post stock-split total of 92,010,554 shares) are owned by TTWF LP and further described by footnote 12 below."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Erroneously reported as indirect holdings. Amended to reflect direct ownership."}],"balance_after":1395000,"source":{"system":"sec-edgar","filing":"0001567619-20-015789","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920015789/doc1.xml","form_type":"4/A","original_submission_date":"2020-03-16"}},{"id":3050943,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-08-20T14:09:23.000Z","date":"2020-03-26","kind":"purchase","acquired":true,"shares":145000,"price":41,"value":5945000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F10","text":"Reflects the average price of shares purchased March 26, 2020.  The original Form 4, filed March 27, 2020, provides weighted average pricing for each transaction within a $1.00 threshold in column 4 and related footnotes."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Amended to reflect total direct ownership of Issuer shares as of the original Form 4 filing date. Purchases reported on and after March 16, 2020 were erroneously added to existing indirect holdings. These indirect holdings of 46,005,227 (which correspond to a post stock-split total of 92,010,554 shares) are owned by TTWF LP and further described by footnote 12 below."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Erroneously reported as indirect holdings. Amended to reflect direct ownership."}],"balance_after":1235000,"source":{"system":"sec-edgar","filing":"0001567619-20-015789","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920015789/doc1.xml","form_type":"4/A","original_submission_date":"2020-03-16"}},{"id":3050942,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-08-20T14:09:23.000Z","date":"2020-03-25","kind":"purchase","acquired":true,"shares":130000,"price":40.77,"value":5300100.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F9","text":"Reflects the average price of shares purchased March 25, 2020.  Each line in Table I of the original Form 4, filed March 26, 2020, correctly aggregated purchases within a $1.00 price range."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Amended to reflect total direct ownership of Issuer shares as of the original Form 4 filing date. Purchases reported on and after March 16, 2020 were erroneously added to existing indirect holdings. These indirect holdings of 46,005,227 (which correspond to a post stock-split total of 92,010,554 shares) are owned by TTWF LP and further described by footnote 12 below."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Erroneously reported as indirect holdings. Amended to reflect direct ownership."}],"balance_after":1090000,"source":{"system":"sec-edgar","filing":"0001567619-20-015789","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920015789/doc1.xml","form_type":"4/A","original_submission_date":"2020-03-16"}},{"id":3050941,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-08-20T14:09:23.000Z","date":"2020-03-24","kind":"purchase","acquired":true,"shares":145000,"price":36.53,"value":5296850.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F8","text":"Reflects the average price of shares purchased March 24, 2020.  Each line in Table I of the original Form 4, filed March 25, 2020, correctly aggregated purchases within a $1.00 price range."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Amended to reflect total direct ownership of Issuer shares as of the original Form 4 filing date. Purchases reported on and after March 16, 2020 were erroneously added to existing indirect holdings. These indirect holdings of 46,005,227 (which correspond to a post stock-split total of 92,010,554 shares) are owned by TTWF LP and further described by footnote 12 below."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Erroneously reported as indirect holdings. Amended to reflect direct ownership."}],"balance_after":960000,"source":{"system":"sec-edgar","filing":"0001567619-20-015789","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920015789/doc1.xml","form_type":"4/A","original_submission_date":"2020-03-16"}},{"id":3050940,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-08-20T14:09:23.000Z","date":"2020-03-19","kind":"purchase","acquired":true,"shares":165000,"price":37.66,"value":6213900.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Reflects the average price of shares purchased March 19, 2020  Each line in Table I of the original Form 4, filed March 20, 2020, correctly aggregated purchases within a $1.00 price range."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Amended to reflect total direct ownership of Issuer shares as of the original Form 4 filing date. Purchases reported on and after March 16, 2020 were erroneously added to existing indirect holdings. These indirect holdings of 46,005,227 (which correspond to a post stock-split total of 92,010,554 shares) are owned by TTWF LP and further described by footnote 12 below."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Erroneously reported as indirect holdings. Amended to reflect direct ownership."}],"balance_after":815000,"source":{"system":"sec-edgar","filing":"0001567619-20-015789","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920015789/doc1.xml","form_type":"4/A","original_submission_date":"2020-03-16"}},{"id":3050939,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-08-20T14:09:23.000Z","date":"2020-03-18","kind":"purchase","acquired":true,"shares":165000,"price":31.41,"value":5182650.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Reflects the average price of shares purchased March 18, 2020. Each line in Table I of the original Form 4, filed March 19, 2020, correctly aggregated purchases within a $1.00 price range."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Amended to reflect total direct ownership of Issuer shares as of the original Form 4 filing date. Purchases reported on and after March 16, 2020 were erroneously added to existing indirect holdings. These indirect holdings of 46,005,227 (which correspond to a post stock-split total of 92,010,554 shares) are owned by TTWF LP and further described by footnote 12 below."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Erroneously reported as indirect holdings. Amended to reflect direct ownership."}],"balance_after":650000,"source":{"system":"sec-edgar","filing":"0001567619-20-015789","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920015789/doc1.xml","form_type":"4/A","original_submission_date":"2020-03-16"}},{"id":3050938,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-08-20T14:09:23.000Z","date":"2020-03-17","kind":"purchase","acquired":true,"shares":165000,"price":33.25,"value":5486250.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Reflects the average price of shares purchased March 17, 2020. Each line in Table I of the original Form 4, filed March 18, 2020, correctly aggregated purchases within a $1.00 price range."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Amended to reflect total direct ownership of Issuer shares as of the original Form 4 filing date. Purchases reported on and after March 16, 2020 were erroneously added to existing indirect holdings. These indirect holdings of 46,005,227 (which correspond to a post stock-split total of 92,010,554 shares) are owned by TTWF LP and further described by footnote 12 below."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Erroneously reported as indirect holdings. Amended to reflect direct ownership."}],"balance_after":485000,"source":{"system":"sec-edgar","filing":"0001567619-20-015789","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920015789/doc1.xml","form_type":"4/A","original_submission_date":"2020-03-16"}},{"id":3050937,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-08-20T14:09:23.000Z","date":"2020-03-16","kind":"purchase","acquired":true,"shares":160000,"price":31.42,"value":5027200.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Reflects the average price of shares purchased March 16, 2020. Each line in Table I of the original Form 4, filed March 17, 2020, correctly aggregated purchases within a $1.00 price range."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Amended to reflect total direct ownership of Issuer shares as of the original Form 4 filing date. Purchases reported on and after March 16, 2020 were erroneously added to existing indirect holdings. These indirect holdings of 46,005,227 (which correspond to a post stock-split total of 92,010,554 shares) are owned by TTWF LP and further described by footnote 12 below."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Erroneously reported as indirect holdings. Amended to reflect direct ownership."}],"balance_after":320000,"source":{"system":"sec-edgar","filing":"0001567619-20-015789","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920015789/doc1.xml","form_type":"4/A","original_submission_date":"2020-03-16"}},{"id":3050936,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-08-20T14:09:23.000Z","date":"2020-03-13","kind":"purchase","acquired":true,"shares":160000,"price":32.94,"value":5270400.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Reflects the average price of shares purchased March 13, 2020. Each line in Table I of the original Form 4, filed March 16, 2020, correctly aggregated purchases within a $1.00 price range."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Amended to reflect total direct ownership of Issuer shares as of the original Form 4 filing date. Purchases reported on and after March 16, 2020 were erroneously added to existing indirect holdings. These indirect holdings of 46,005,227 (which correspond to a post stock-split total of 92,010,554 shares) are owned by TTWF LP and further described by footnote 12 below."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Erroneously reported as indirect holdings. Amended to reflect direct ownership."}],"balance_after":160000,"source":{"system":"sec-edgar","filing":"0001567619-20-015789","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920015789/doc1.xml","form_type":"4/A","original_submission_date":"2020-03-16"}},{"id":3192055,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-30T08:51:27.000Z","date":"2020-03-27","kind":"purchase","acquired":true,"shares":11287,"price":40.31,"value":454978.97,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $40.01 to $40.60, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities in Table 1."}],"balance_after":47400277,"source":{"system":"sec-edgar","filing":"0001567619-20-007143","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920007143/doc1.xml","form_type":"4"}},{"id":3192054,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-30T08:51:27.000Z","date":"2020-03-27","kind":"purchase","acquired":true,"shares":89443,"price":39.49,"value":3532104.07,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $39.00 to $40.00, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities in Table 1."}],"balance_after":47388990,"source":{"system":"sec-edgar","filing":"0001567619-20-007143","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920007143/doc1.xml","form_type":"4"}},{"id":3192053,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-30T08:51:27.000Z","date":"2020-03-27","kind":"purchase","acquired":true,"shares":42295,"price":38.49,"value":1627934.55,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $37.99 to $38.99, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities in Table 1."}],"balance_after":47299547,"source":{"system":"sec-edgar","filing":"0001567619-20-007143","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920007143/doc1.xml","form_type":"4"}},{"id":3192052,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-30T08:51:27.000Z","date":"2020-03-27","kind":"purchase","acquired":true,"shares":16975,"price":37.58,"value":637920.5,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $36.98 to $37.98, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities in Table 1."}],"balance_after":47257252,"source":{"system":"sec-edgar","filing":"0001567619-20-007143","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920007143/doc1.xml","form_type":"4"}},{"id":3193066,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-27T11:03:43.000Z","date":"2020-03-26","kind":"purchase","acquired":true,"shares":8800,"price":41.99,"value":369512.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $41.79 to $42.13, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities in Table 1."}],"balance_after":47240277,"source":{"system":"sec-edgar","filing":"0001567619-20-007073","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920007073/doc1.xml","form_type":"4"}},{"id":3193065,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-27T11:03:43.000Z","date":"2020-03-26","kind":"purchase","acquired":true,"shares":94001,"price":41.15,"value":3868141.15,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $40.78 to $41.78, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities in Table 1."}],"balance_after":47231477,"source":{"system":"sec-edgar","filing":"0001567619-20-007073","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920007073/doc1.xml","form_type":"4"}},{"id":3193064,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-27T11:03:43.000Z","date":"2020-03-26","kind":"purchase","acquired":true,"shares":42199,"price":40.47,"value":1707793.53,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $39.77 to $40.77, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities in Table 1."}],"balance_after":47137476,"source":{"system":"sec-edgar","filing":"0001567619-20-007073","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920007073/doc1.xml","form_type":"4"}},{"id":3194295,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-26T09:30:31.000Z","date":"2020-03-25","kind":"purchase","acquired":true,"shares":24064,"price":42.69,"value":1027292.16,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $42.45 to $43.03, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities in Table 1."}],"balance_after":47095277,"source":{"system":"sec-edgar","filing":"0001567619-20-007010","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920007010/doc1.xml","form_type":"4"}},{"id":3194294,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-26T09:30:31.000Z","date":"2020-03-25","kind":"purchase","acquired":true,"shares":33358,"price":42.02,"value":1401703.16,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $41.44 to $42.44, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities in Table 1."}],"balance_after":47071213,"source":{"system":"sec-edgar","filing":"0001567619-20-007010","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920007010/doc1.xml","form_type":"4"}},{"id":3194293,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-26T09:30:31.000Z","date":"2020-03-25","kind":"purchase","acquired":true,"shares":14025,"price":40.96,"value":574464.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $40.43 to $41.43, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities in Table 1."}],"balance_after":47037855,"source":{"system":"sec-edgar","filing":"0001567619-20-007010","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920007010/doc1.xml","form_type":"4"}},{"id":3194292,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-26T09:30:31.000Z","date":"2020-03-25","kind":"purchase","acquired":true,"shares":27671,"price":39.83,"value":1102135.93,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $39.38 to $40.33, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities in Table 1."}],"balance_after":47023830,"source":{"system":"sec-edgar","filing":"0001567619-20-007010","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920007010/doc1.xml","form_type":"4"}},{"id":3194291,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-26T09:30:31.000Z","date":"2020-03-25","kind":"purchase","acquired":true,"shares":24231,"price":38.87,"value":941858.97,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $38.37 to $39.37, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities in Table 1."}],"balance_after":46996159,"source":{"system":"sec-edgar","filing":"0001567619-20-007010","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920007010/doc1.xml","form_type":"4"}},{"id":3194290,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-26T09:30:31.000Z","date":"2020-03-25","kind":"purchase","acquired":true,"shares":6651,"price":37.98,"value":252604.98,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $37.34 to $38.32, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities in Table 1."}],"balance_after":46971928,"source":{"system":"sec-edgar","filing":"0001567619-20-007010","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920007010/doc1.xml","form_type":"4"}},{"id":3195161,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-25T10:22:37.000Z","date":"2020-03-24","kind":"purchase","acquired":true,"shares":15031,"price":37.6,"value":565165.6,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $37.43 to $37.87, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities in Table 1."}],"balance_after":46965277,"source":{"system":"sec-edgar","filing":"0001567619-20-006977","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920006977/doc1.xml","form_type":"4"}},{"id":3195160,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-25T10:22:37.000Z","date":"2020-03-24","kind":"purchase","acquired":true,"shares":67812,"price":36.86,"value":2499550.32,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $36.42 to $37.42, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities in Table 1."}],"balance_after":46950246,"source":{"system":"sec-edgar","filing":"0001567619-20-006977","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920006977/doc1.xml","form_type":"4"}},{"id":3195159,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-25T10:22:37.000Z","date":"2020-03-24","kind":"purchase","acquired":true,"shares":57419,"price":36,"value":2067084.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $35.41 to $36.41, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities in Table 1."}],"balance_after":46882434,"source":{"system":"sec-edgar","filing":"0001567619-20-006977","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920006977/doc1.xml","form_type":"4"}},{"id":3195158,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-25T10:22:37.000Z","date":"2020-03-24","kind":"purchase","acquired":true,"shares":4738,"price":34.94,"value":165545.72,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $34.30 to $35.30, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities in Table 1."}],"balance_after":46825015,"source":{"system":"sec-edgar","filing":"0001567619-20-006977","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920006977/doc1.xml","form_type":"4"}},{"id":3199205,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-20T09:05:16.000Z","date":"2020-03-19","kind":"purchase","acquired":true,"shares":21777,"price":39.09,"value":851262.93,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $38.78 to $39.77, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities in Table 1."}],"balance_after":46820277,"source":{"system":"sec-edgar","filing":"0001567619-20-006808","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920006808/doc1.xml","form_type":"4"}},{"id":3199204,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-20T09:05:16.000Z","date":"2020-03-19","kind":"purchase","acquired":true,"shares":54388,"price":38.22,"value":2078709.36,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $37.77 to $38.77, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities in Table 1."}],"balance_after":46798500,"source":{"system":"sec-edgar","filing":"0001567619-20-006808","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920006808/doc1.xml","form_type":"4"}},{"id":3199203,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-20T09:05:16.000Z","date":"2020-03-18","kind":"purchase","acquired":true,"shares":63336,"price":37.32,"value":2363699.52,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $36.75 to $37.75, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities in Table 1."}],"balance_after":46744112,"source":{"system":"sec-edgar","filing":"0001567619-20-006808","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920006808/doc1.xml","form_type":"4"}},{"id":3199202,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-20T09:05:16.000Z","date":"2020-03-19","kind":"purchase","acquired":true,"shares":22497,"price":36.2,"value":814391.4,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $35.71 to $36.65, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities in Table 1."}],"balance_after":46680776,"source":{"system":"sec-edgar","filing":"0001567619-20-006808","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920006808/doc1.xml","form_type":"4"}},{"id":3199201,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-20T09:05:16.000Z","date":"2020-03-19","kind":"purchase","acquired":true,"shares":3002,"price":35.23,"value":105760.46,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $34.69 to $35.69, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities in Table 1."}],"balance_after":46658279,"source":{"system":"sec-edgar","filing":"0001567619-20-006808","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920006808/doc1.xml","form_type":"4"}},{"id":3200510,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-19T10:54:48.000Z","date":"2020-03-18","kind":"purchase","acquired":true,"shares":2300,"price":33.03,"value":75969.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $32.94 to $33.29, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities in Table 1."}],"balance_after":46655277,"source":{"system":"sec-edgar","filing":"0001567619-20-006727","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1299599/000156761920006727/doc1.xml","form_type":"4"}},{"id":3200509,"issuer":{"id":3555,"kind":"organization","name":"WESTLAKE CORP"},"owners":[{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":1,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-03-19T10:54:48.000Z","date":"2020-03-18","kind":"purchase","acquired":true,"shares":36790,"price":32.13,"value":1182062.7,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $31.87 to $32.78, 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 purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"TTWFGP LLC is the general partner of TTWF LP, the record holder of the securities listed in Table 1. Reporting Person has no direct pecuniary interest in the securities in Table 1. 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The subordinated units had no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On August 30, 2017, pursuant to the terms of the agreement of limited partnership (the \"Partnership Agreement\") of the Issuer, the 12,686,115 subordinated units representing limited partner interests in the Issuer (the \"subordinated units\") acquired by WPT LLC (\"WPT\") in the Issuer's initial public offering converted into common units representing limited partner interests of the Issuer (\"common units\") on a one-for-one basis, resulting in the acquisition of 12,686,115 common units. The subordinated units had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On August 30, 2017, pursuant to the terms of the agreement of limited partnership (the \"Partnership Agreement\") of the Issuer, the 12,686,115 subordinated units representing limited partner interests in the Issuer (the \"subordinated units\") acquired by WPT LLC (\"WPT\") in the Issuer's initial public offering converted into common units representing limited partner interests of the Issuer (\"common units\") on a one-for-one basis, resulting in the acquisition of 12,686,115 common units. The subordinated units had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"On August 30, 2017, pursuant to the terms of the agreement of limited partnership (the \"Partnership Agreement\") of the Issuer, the 12,686,115 subordinated units representing limited partner interests in the Issuer (the \"subordinated units\") acquired by WPT LLC (\"WPT\") in the Issuer's initial public offering converted into common units representing limited partner interests of the Issuer (\"common units\") on a one-for-one basis, resulting in the acquisition of 12,686,115 common units. The subordinated units had no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"As of August 30, 2017, (i) WPT owns 55.7% of the outstanding limited partner interests in the Issuer. Westlake Chemical Corporation (\"Westlake\") owns 100% of Westlake Olefins Corporation, which owns 100% of Westlake Chemical Investments, Inc., which owns 100% of Westlake Polymers LLC, which owns 100% of WPT. TTWF LP, a Delaware limited partnership, holds 92,010,554 shares of Westlake's common stock. TTWF GP LLC, a Delaware limited liability company, is the general partner of TTWF LP. Each of the reporting persons in the above described ownership chain of WPT may be deemed to indirectly own the common units and the subordinated units directly held by WPT."}],"balance_after":0,"derivative":{"underlying":"Common Units (Limited Partner Interests)","underlying_shares":12686115},"source":{"system":"sec-edgar","filing":"0000899243-17-021289","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1299601/000089924317021289/doc4.xml","form_type":"4"}},{"id":4220595,"issuer":{"id":5149,"kind":"organization","name":"Westlake Chemical Partners LP"},"owners":[{"id":173459,"kind":"organization","name":"WPT LLC","position":1,"cik":"0001262852","reported_name":"WPT LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":3555,"kind":"organization","name":"WESTLAKE CORP","position":2,"cik":"0001262823","reported_name":"WESTLAKE CHEMICAL CORP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":173460,"kind":"organization","name":"WESTLAKE POLYMERS LLC","position":3,"cik":"0001262845","reported_name":"WESTLAKE POLYMERS LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":173461,"kind":"organization","name":"WESTLAKE CHEMICAL INVESTMENTS, INC.","position":4,"cik":"0001262834","reported_name":"WESTLAKE CHEMICAL INVESTMENTS, INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":173462,"kind":"organization","name":"WESTLAKE OLEFINS CORP","position":5,"cik":"0001262842","reported_name":"WESTLAKE OLEFINS CORP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":173463,"kind":"organization","name":"TTWF LP","position":6,"cik":"0001299601","reported_name":"TTWF LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":147072,"kind":"organization","name":"TTWFGP LLC","position":7,"cik":"0001299599","reported_name":"TTWFGP LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units (Limited Partner Interests)","published_at":"2017-08-31T09:41:43.000Z","date":"2017-08-30","kind":"exercise","acquired":true,"shares":12686115,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On August 30, 2017, pursuant to the terms of the agreement of limited partnership (the \"Partnership Agreement\") of the Issuer, the 12,686,115 subordinated units representing limited partner interests in the Issuer (the \"subordinated units\") acquired by WPT LLC (\"WPT\") in the Issuer's initial public offering converted into common units representing limited partner interests of the Issuer (\"common units\") on a one-for-one basis, resulting in the acquisition of 12,686,115 common units. The subordinated units had no expiration date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On August 30, 2017, pursuant to the terms of the agreement of limited partnership (the \"Partnership Agreement\") of the Issuer, the 12,686,115 subordinated units representing limited partner interests in the Issuer (the \"subordinated units\") acquired by WPT LLC (\"WPT\") in the Issuer's initial public offering converted into common units representing limited partner interests of the Issuer (\"common units\") on a one-for-one basis, resulting in the acquisition of 12,686,115 common units. The subordinated units had no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"As of August 30, 2017, (i) WPT owns 55.7% of the outstanding limited partner interests in the Issuer. Westlake Chemical Corporation (\"Westlake\") owns 100% of Westlake Olefins Corporation, which owns 100% of Westlake Chemical Investments, Inc., which owns 100% of Westlake Polymers LLC, which owns 100% of WPT. TTWF LP, a Delaware limited partnership, holds 92,010,554 shares of Westlake's common stock. TTWF GP LLC, a Delaware limited liability company, is the general partner of TTWF LP. Each of the reporting persons in the above described ownership chain of WPT may be deemed to indirectly own the common units and the subordinated units directly held by WPT."}],"balance_after":14122230,"source":{"system":"sec-edgar","filing":"0000899243-17-021289","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1299601/000089924317021289/doc4.xml","form_type":"4"}}]}