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The 4,437 RSUs reported on this Form 4 vest on May 21, 2027."}],"balance_after":38109,"source":{"system":"sec-edgar","filing":"0001094730-26-000002","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1094730/000109473026000002/primarydocument.xml","form_type":"4"}},{"id":777009,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":46882,"kind":"person","name":"Kaplan Jeffrey A","position":1,"cik":"0001634184","reported_name":"Kaplan Jeffrey A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief PC, Leg & Corp Ofc"}}],"security":"Class A Ordinary Shares","published_at":"2026-05-15T20:09:51.000Z","date":"2026-05-13","kind":"sale","planned":false,"acquired":false,"shares":10000,"price":74.1573,"value":741573.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction was executed in multiple trades at prices ranging from $74.13 USD to $74.21 USD. The price reported above reflects the weighted-average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 32,627 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 3,218 granted on February 22, 2024 that vest on February 22, 2027; 4,103 granted on February 27, 2025 that vest on February 27, 2027; 4,103 granted on February 27, 2025 that vest on February 27, 2028 and 21,203 granted on February 28, 2026 of which: 7,069 vest on February 28, 2027, 7,067 vest on February 28, 2028 and 7,067 vest on February 28, 2029."}],"balance_after":96674,"source":{"system":"sec-edgar","filing":"0001634184-26-000008","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000163418426000008/primarydocument.xml","form_type":"4"}},{"id":805980,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":52090,"kind":"person","name":"Izquierdo Sabido Agustin","position":1,"cik":"0002056904","reported_name":"Izquierdo Sabido Agustin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Class A Ordinary Shares","published_at":"2026-04-17T20:02:29.000Z","date":"2026-04-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":45,"price":73.13,"value":3290.85,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On April 15, 2026 the reporting person's restricted stock units automatically vested 182 shares. 45 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents 26,216 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 242 granted on February 22, 2024 that vest on February 22, 2027; 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623 granted on October 15, 2024 that vest on October 15, 2026; 305 granted on February 27, 2025 that vest on February 27, 2027; 305 granted on February 27, 2025 that vest on February 27, 2028; 163 granted on April 15, 2025 that vest on April 15, 2027; 163 granted on April 15, 2025 that vest on April 15, 2028; 1,344 granted on February 28, 2026 that vest on February 28, 2027, 1,344 granted on February 28, 2026 that vest on February 28, 2028 and 1,344 granted on February 28, 2026 that vest on February 28, 2029."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"ESPP purchase of 142.1216 shares for $38.97 per share were allocated on March 31, 2026."}],"balance_after":8970.3012,"source":{"system":"sec-edgar","filing":"0002062500-26-000008","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000206250026000008/primarydocument.xml","form_type":"4"}},{"id":819465,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":16,"kind":"person","name":"Karlin Bridget E","position":1,"cik":"0001797157","reported_name":"Karlin Bridget E","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Ordinary Shares","published_at":"2026-04-02T21:29:58.000Z","date":"2026-03-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":111,"price":80.56,"value":8942.16,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 2,917 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan that vest on May 22, 2026."}],"balance_after":4905,"source":{"system":"sec-edgar","filing":"0001797157-26-000002","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000179715726000002/primarydocument.xml","form_type":"4"}},{"id":819464,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":16,"kind":"person","name":"Karlin Bridget E","position":1,"cik":"0001797157","reported_name":"Karlin Bridget E","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Ordinary Shares","published_at":"2026-04-02T21:29:58.000Z","date":"2026-03-31","kind":"grant","planned":false,"acquired":true,"shares":708,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Prior to the beginning of the year, the reporting person elected to receive common stock in lieu of cash for her annual retainer, which is paid in quarterly installments. 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The ordinary shares were sold in multiple transactions ranging from $68.72 to $69.19 inclusive. The reporting persons undertake to provide to LyondellBasell Industries N.V., any security holder of LyondellBasell Industries N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of ordinary shares sold at each separate price within the ranges set forth in this footnote to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each of the reporting persons (other than the direct holder) disclaims beneficial ownership of these securities, except to the extent of its or his pecuniary interest therein, and this Form shall not be construed as an admission that any such reporting person is the beneficial owner of any such securities."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F9","text":"The securities reported are held directly by AI Investments Holdings LLC (\"AIIH\") and may be deemed to be indirectly beneficially owned by Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because Access Industries Holdings LLC controls a majority of the outstanding voting interests in AIIH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC and AIIH, and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC."}],"balance_after":765154,"source":{"system":"sec-edgar","filing":"0001193125-26-102181","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000119312526102181/ownership.xml","form_type":"4"}},{"id":848629,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":61502,"kind":"organization","name":"AI INVESTMENTS HOLDINGS LLC","position":1,"cik":"0001508237","reported_name":"AI INVESTMENTS HOLDINGS LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46924,"kind":"organization","name":"Access Industries Holdings LLC","position":2,"cik":"0001391297","reported_name":"Access Industries Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":51978,"kind":"organization","name":"ACCESS INDUSTRIES, LLC","position":3,"cik":"0001508227","reported_name":"ACCESS INDUSTRIES, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46925,"kind":"organization","name":"ACCESS INDUSTRIES MANAGEMENT, LLC","position":4,"cik":"0001508226","reported_name":"ACCESS INDUSTRIES MANAGEMENT, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46929,"kind":"person","name":"Blavatnik Len","position":5,"cik":"0001326628","reported_name":"Blavatnik Len","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Ordinary shares","published_at":"2026-03-11T20:15:06.000Z","date":"2026-03-09","kind":"sale","planned":false,"acquired":false,"shares":114592,"price":68.8997,"value":7895354.4224,"ownership":{"direct":false,"nature":"By LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average sales price of the ordinary shares. The ordinary shares were sold in multiple transactions ranging from $68.72 to $69.19 inclusive. The reporting persons undertake to provide to LyondellBasell Industries N.V., any security holder of LyondellBasell Industries N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of ordinary shares sold at each separate price within the ranges set forth in this footnote to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each of the reporting persons (other than the direct holder) disclaims beneficial ownership of these securities, except to the extent of its or his pecuniary interest therein, and this Form shall not be construed as an admission that any such reporting person is the beneficial owner of any such securities."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F7","text":"Because of their relationships with the other reporting persons, each of Access Industries Holdings LLC, Access Industries, LLC and Access Industries Management, LLC may be deemed to beneficially own the ordinary shares held directly by AI Altep Investments LLC (formerly AI New Holdings LLC) and AI Chemical Holdings LLC (formerly, AI New Holdings 2 LLC) (\"AICH\"). 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The reporting persons undertake to provide to LyondellBasell Industries N.V., any security holder of LyondellBasell Industries N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of ordinary shares sold at each separate price within the ranges set forth in this footnote to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each of the reporting persons (other than the direct holder) disclaims beneficial ownership of these securities, except to the extent of its or his pecuniary interest therein, and this Form shall not be construed as an admission that any such reporting person is the beneficial owner of any such securities."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F9","text":"The securities reported are held directly by AI Investments Holdings LLC (\"AIIH\") and may be deemed to be indirectly beneficially owned by Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because Access Industries Holdings LLC controls a majority of the outstanding voting interests in AIIH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC and AIIH, and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC."}],"balance_after":765405,"source":{"system":"sec-edgar","filing":"0001193125-26-102181","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000119312526102181/ownership.xml","form_type":"4"}},{"id":848627,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":61502,"kind":"organization","name":"AI INVESTMENTS HOLDINGS LLC","position":1,"cik":"0001508237","reported_name":"AI INVESTMENTS HOLDINGS LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46924,"kind":"organization","name":"Access Industries Holdings LLC","position":2,"cik":"0001391297","reported_name":"Access Industries Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":51978,"kind":"organization","name":"ACCESS INDUSTRIES, LLC","position":3,"cik":"0001508227","reported_name":"ACCESS INDUSTRIES, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46925,"kind":"organization","name":"ACCESS INDUSTRIES MANAGEMENT, LLC","position":4,"cik":"0001508226","reported_name":"ACCESS INDUSTRIES MANAGEMENT, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46929,"kind":"person","name":"Blavatnik Len","position":5,"cik":"0001326628","reported_name":"Blavatnik Len","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Ordinary shares","published_at":"2026-03-11T20:15:06.000Z","date":"2026-03-09","kind":"sale","planned":false,"acquired":false,"shares":189277,"price":68.1317,"value":12895763.7809,"ownership":{"direct":false,"nature":"By LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average sales price of the ordinary shares. 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The reporting persons undertake to provide to LyondellBasell Industries N.V., any security holder of LyondellBasell Industries N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of ordinary shares sold at each separate price within the ranges set forth in this footnote to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each of the reporting persons (other than the direct holder) disclaims beneficial ownership of these securities, except to the extent of its or his pecuniary interest therein, and this Form shall not be construed as an admission that any such reporting person is the beneficial owner of any such securities."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F7","text":"Because of their relationships with the other reporting persons, each of Access Industries Holdings LLC, Access Industries, LLC and Access Industries Management, LLC may be deemed to beneficially own the ordinary shares held directly by AI Altep Investments LLC (formerly AI New Holdings LLC) and AI Chemical Holdings LLC (formerly, AI New Holdings 2 LLC) (\"AICH\"). 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The ordinary shares were sold in multiple transactions ranging from $66.72 to $67.7193 inclusive. The reporting persons undertake to provide to LyondellBasell Industries N.V., any security holder of LyondellBasell Industries N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of ordinary shares sold at each separate price within the ranges set forth in this footnote to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each of the reporting persons (other than the direct holder) disclaims beneficial ownership of these securities, except to the extent of its or his pecuniary interest therein, and this Form shall not be construed as an admission that any such reporting person is the beneficial owner of any such securities."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F9","text":"The securities reported are held directly by AI Investments Holdings LLC (\"AIIH\") and may be deemed to be indirectly beneficially owned by Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because Access Industries Holdings LLC controls a majority of the outstanding voting interests in AIIH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC and AIIH, and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC."}],"balance_after":765819,"source":{"system":"sec-edgar","filing":"0001193125-26-102181","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000119312526102181/ownership.xml","form_type":"4"}},{"id":848625,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":61502,"kind":"organization","name":"AI INVESTMENTS HOLDINGS LLC","position":1,"cik":"0001508237","reported_name":"AI INVESTMENTS HOLDINGS LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46924,"kind":"organization","name":"Access Industries Holdings LLC","position":2,"cik":"0001391297","reported_name":"Access Industries Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":51978,"kind":"organization","name":"ACCESS INDUSTRIES, LLC","position":3,"cik":"0001508227","reported_name":"ACCESS INDUSTRIES, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46925,"kind":"organization","name":"ACCESS INDUSTRIES MANAGEMENT, LLC","position":4,"cik":"0001508226","reported_name":"ACCESS INDUSTRIES MANAGEMENT, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46929,"kind":"person","name":"Blavatnik Len","position":5,"cik":"0001326628","reported_name":"Blavatnik Len","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Ordinary shares","published_at":"2026-03-11T20:15:06.000Z","date":"2026-03-09","kind":"sale","planned":false,"acquired":false,"shares":80679,"price":67.0333,"value":5408179.6107,"ownership":{"direct":false,"nature":"By LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average sales price of the ordinary shares. The ordinary shares were sold in multiple transactions ranging from $66.72 to $67.7193 inclusive. The reporting persons undertake to provide to LyondellBasell Industries N.V., any security holder of LyondellBasell Industries N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of ordinary shares sold at each separate price within the ranges set forth in this footnote to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each of the reporting persons (other than the direct holder) disclaims beneficial ownership of these securities, except to the extent of its or his pecuniary interest therein, and this Form shall not be construed as an admission that any such reporting person is the beneficial owner of any such securities."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F7","text":"Because of their relationships with the other reporting persons, each of Access Industries Holdings LLC, Access Industries, LLC and Access Industries Management, LLC may be deemed to beneficially own the ordinary shares held directly by AI Altep Investments LLC (formerly AI New Holdings LLC) and AI Chemical Holdings LLC (formerly, AI New Holdings 2 LLC) (\"AICH\"). Each of the reporting persons, and each of their affiliated entities and the officers, partners, members, and managers thereof, disclaims beneficial ownership of the ordinary shares held directly by each of AI Altep Investments LLC and AICH."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F8","text":"The securities reported are held directly by AICH and may be deemed to be indirectly beneficially owned by Access Industries Management, LLC, Access Industries Holdings LLC and Len Blavatnik because Mr. Blavatnik controls Access Industries Management, LLC, Access Industries Holdings LLC owns a majority of the outstanding voting interests in RSB 2 Limited which is the sole member of AICH, and Access Industries Management, LLC controls AICH and Access Industries Holdings LLC."}],"balance_after":5574787,"source":{"system":"sec-edgar","filing":"0001193125-26-102181","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000119312526102181/ownership.xml","form_type":"4"}},{"id":848624,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":61502,"kind":"organization","name":"AI INVESTMENTS HOLDINGS LLC","position":1,"cik":"0001508237","reported_name":"AI INVESTMENTS HOLDINGS LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46924,"kind":"organization","name":"Access Industries Holdings LLC","position":2,"cik":"0001391297","reported_name":"Access Industries Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":51978,"kind":"organization","name":"ACCESS INDUSTRIES, LLC","position":3,"cik":"0001508227","reported_name":"ACCESS INDUSTRIES, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46925,"kind":"organization","name":"ACCESS INDUSTRIES MANAGEMENT, LLC","position":4,"cik":"0001508226","reported_name":"ACCESS INDUSTRIES MANAGEMENT, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46929,"kind":"person","name":"Blavatnik Len","position":5,"cik":"0001326628","reported_name":"Blavatnik Len","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Ordinary shares","published_at":"2026-03-11T20:15:06.000Z","date":"2026-03-09","kind":"gift","planned":false,"acquired":false,"shares":464610,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These shares were donated by Access Industries Core Holdings LLC (formerly AIPH Holdings LLC) (\"AICH\") for no consideration as a charitable contribution."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each of the reporting persons (other than the direct holder) disclaims beneficial ownership of these securities, except to the extent of its or his pecuniary interest therein, and this Form shall not be construed as an admission that any such reporting person is the beneficial owner of any such securities."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The securities reported are held directly by AICH and may be deemed to be indirectly beneficially owned by Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because Access Industries Holdings LLC controls a majority of the outstanding voting interests in AICH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC and AICH and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC."}],"balance_after":1000000,"source":{"system":"sec-edgar","filing":"0001193125-26-102181","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000119312526102181/ownership.xml","form_type":"4"}},{"id":866938,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":42782,"kind":"person","name":"Seward James Malcolm","position":1,"cik":"0001783902","reported_name":"Seward James Malcolm","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Innovation Officer"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T21:40:37.000Z","date":"2026-02-28","kind":"grant","planned":false,"acquired":true,"shares":12209,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 18,103 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 1,696 granted on February 22, 2024 that vest on February 22, 2027; 2,099 granted on February 27, 2025 that vest on February 27, 2027 and 2,099 granted on February 27, 2025 that vest on February 27, 2028. The 12,209 RSUs reported on this Form 4 vest as follows: 4,071 vest on February 28, 2027, 4,069 vest on February 28, 2028 and 4,069 vest on February 28, 2029."}],"balance_after":45731,"source":{"system":"sec-edgar","filing":"0001783902-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000178390226000006/primarydocument.xml","form_type":"4"}},{"id":866937,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":42782,"kind":"person","name":"Seward James Malcolm","position":1,"cik":"0001783902","reported_name":"Seward James Malcolm","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Innovation Officer"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T21:40:37.000Z","date":"2026-02-27","kind":"tax_withholding","planned":false,"acquired":false,"shares":1040,"price":57.52,"value":59820.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 27, 2026 the reporting person's restricted stock units automatically vested 2,100 shares. 1,040 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 5,894 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 1,696 granted on February 22, 2024 that vest on February 22, 2027; 2,099 granted on February 27, 2025 that vest on February 27, 2027 and 2,099 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":33522,"source":{"system":"sec-edgar","filing":"0001783902-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000178390226000006/primarydocument.xml","form_type":"4"}},{"id":866936,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63290,"kind":"person","name":"Foley Kimberly A","position":1,"cik":"0001791947","reported_name":"Foley Kimberly A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Global O&P and Refining"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T21:40:21.000Z","date":"2026-02-28","kind":"grant","planned":false,"acquired":true,"shares":23052,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 35,339 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 3,365 granted on February 22, 2024 that vest on February 22, 2027; 4,461 granted on February 27, 2025 that vest on February 27, 2027 and 4,461 granted on February 27, 2025 that vest on February 27, 2028. The 23,052 RSUs reported on this Form 4 vest as follows: 7,684 vest on February 28, 2027, 7,684 vest on February 28, 2028 and 7,684 vest on February 28, 2029."}],"balance_after":90290.547,"source":{"system":"sec-edgar","filing":"0001791947-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000179194726000006/primarydocument.xml","form_type":"4"}},{"id":866935,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63290,"kind":"person","name":"Foley Kimberly A","position":1,"cik":"0001791947","reported_name":"Foley Kimberly A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Global O&P and Refining"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T21:40:21.000Z","date":"2026-02-27","kind":"tax_withholding","planned":false,"acquired":false,"shares":1087,"price":57.52,"value":62524.24,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 27, 2026 the reporting person's restricted stock units automatically vested 4,462 shares. 1,087 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 12,287 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 3,365 granted on February 22, 2024 that vest on February 22, 2027; 4,461 granted on February 27, 2025 that vest on February 27, 2027 and 4,461 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":67238.547,"source":{"system":"sec-edgar","filing":"0001791947-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000179194726000006/primarydocument.xml","form_type":"4"}},{"id":866934,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":42781,"kind":"person","name":"Campbell Tracey D","position":1,"cik":"0001948900","reported_name":"Campbell Tracey D","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Sustainability & Corp Aff"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T21:40:04.000Z","date":"2026-02-28","kind":"grant","planned":false,"acquired":true,"shares":5282,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9,531 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 2,205 granted on February 22, 2024 of which 735 were deferred on February 22, 2025, 735 were deferred on February 22, 2026; 735 vest on February 22, 2027; 1,022 granted on February 27, 2025 that vest on February 27, 2027 and 1,022 granted on February 27, 2025 that vest on February 27, 2028. The 5,282 RSUs reported on this Form 4 vest as follows: 1,762 vest on February 28, 2027, 1,760 vest on February 28, 2028 and 1,760 vest on February 28, 2029."}],"balance_after":18360.36,"source":{"system":"sec-edgar","filing":"0001948900-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000194890026000006/primarydocument.xml","form_type":"4"}},{"id":866933,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":42781,"kind":"person","name":"Campbell Tracey D","position":1,"cik":"0001948900","reported_name":"Campbell Tracey D","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Sustainability & Corp Aff"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T21:40:04.000Z","date":"2026-02-27","kind":"tax_withholding","planned":false,"acquired":false,"shares":248,"price":57.52,"value":14264.96,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 27, 2026 the reporting person's restricted stock units automatically vested 1,023 shares. 248 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 4,249 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 2,205 granted on February 22, 2024 of which 735 were deferred on February 22, 2025, 735 were deferred on February 22, 2026; 735 vest on February 22, 2027; 1,022 granted on February 27, 2025 that vest on February 27, 2027 and 1,022 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":13078.36,"source":{"system":"sec-edgar","filing":"0001948900-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000194890026000006/primarydocument.xml","form_type":"4"}},{"id":866932,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63289,"kind":"person","name":"Vanacker Peter Z. E.","position":1,"cik":"0001911538","reported_name":"Vanacker Peter Z. E.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T21:39:44.000Z","date":"2026-02-28","kind":"grant","planned":false,"acquired":true,"shares":98549,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 152,099 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 15,406 granted on February 22, 2024 that vest on February 22, 2027; 19,072 granted on February 27, 2025 that vest on February 27, 2027 and 19,072 granted on February 27, 2025 vest on February 27, 2028. The 98,549 RSUs reported on this Form 4 vest as follows: 32,851 vest on February 28, 2027, 32,849 vest on February 28, 2028 and 32,849 vest on February 28, 2029."}],"balance_after":248554,"source":{"system":"sec-edgar","filing":"0001911538-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000191153826000006/primarydocument.xml","form_type":"4"}},{"id":866931,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63289,"kind":"person","name":"Vanacker Peter Z. E.","position":1,"cik":"0001911538","reported_name":"Vanacker Peter Z. E.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T21:39:44.000Z","date":"2026-02-27","kind":"tax_withholding","planned":false,"acquired":false,"shares":7506,"price":57.52,"value":431745.12,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 27, 2026 the reporting person's restricted stock units automatically vested 19,074 shares. 7,506 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 53,550 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 15,406 granted on February 22, 2024 that vest on February 22, 2027; 19,072 granted on February 27, 2025 that vest on February 27, 2027 and 19,072 granted on February 27, 2025 vest on February 27, 2028."}],"balance_after":150005,"source":{"system":"sec-edgar","filing":"0001911538-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000191153826000006/primarydocument.xml","form_type":"4"}},{"id":866930,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63288,"kind":"person","name":"Friedrichs Dale D","position":1,"cik":"0001697503","reported_name":"Friedrichs Dale D","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Ops Excellence, HSE"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T21:39:32.000Z","date":"2026-02-28","kind":"grant","planned":false,"acquired":true,"shares":15998,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 24,618 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 2,428 granted on February 22, 2024  that vest on February 22, 2027; 3,096 granted on February 27, 2025 that vest on February 27, 2027 and 3,096 granted on February 27, 2025 that vest on February 27, 2028. The 15,998 RSUs reported on this Form 4 vest as follows: 5,334 vest on February 28, 2027, 5,332 vest on February 28, 2028 and 5,332 vest on February 28, 2029."}],"balance_after":63407,"source":{"system":"sec-edgar","filing":"0001697503-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000169750326000006/primarydocument.xml","form_type":"4"}},{"id":866929,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63288,"kind":"person","name":"Friedrichs Dale D","position":1,"cik":"0001697503","reported_name":"Friedrichs Dale D","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Ops Excellence, HSE"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T21:39:32.000Z","date":"2026-02-27","kind":"tax_withholding","planned":false,"acquired":false,"shares":682,"price":57.52,"value":39228.64,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 27, 2026 the reporting person's restricted stock units automatically vested 3,097 shares. 682 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 8,620 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 2,428 granted on February 22, 2024  that vest on February 22, 2027; 3,096 granted on February 27, 2025 that vest on February 27, 2027 and 3,096 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":47409,"source":{"system":"sec-edgar","filing":"0001697503-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000169750326000006/primarydocument.xml","form_type":"4"}},{"id":866928,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":52049,"kind":"person","name":"Hayes Matthew D","position":1,"cik":"0002062500","reported_name":"Hayes Matthew D","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & CAO"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T21:38:51.000Z","date":"2026-02-28","kind":"grant","planned":false,"acquired":true,"shares":4032,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 5,991 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 237 granted on February 22, 2024 that vest on February 22, 2027; 623 granted on October 15, 2024 that vest on October 15, 2026; 305 granted on February 27, 2025 that vest on February 27, 2027; 305 granted on February 27, 2025 that vest on February 27, 2028 and 489 granted on April 15, 2025 of which 163 vest on April 15, 2026, 163 vest on April 15, 2027 and 163 vest on April 15, 2028. The 4,032 RSUs reported on this Form 4 vest as follows: 1,344 vest on February 28, 2027, 1,344 vest on February 28, 2028 and 1,344 vest on February 28, 2029."}],"balance_after":8868.1796,"source":{"system":"sec-edgar","filing":"0002062500-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000206250026000006/primarydocument.xml","form_type":"4"}},{"id":866927,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":52049,"kind":"person","name":"Hayes Matthew D","position":1,"cik":"0002062500","reported_name":"Hayes Matthew D","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & CAO"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T21:38:51.000Z","date":"2026-02-27","kind":"tax_withholding","planned":false,"acquired":false,"shares":92,"price":57.52,"value":5291.84,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 27, 2026 the reporting person's restricted stock units automatically vested 307 shares. 92 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 1,959 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 237 granted on February 22, 2024 that vest on February 22, 2027; 623 granted on October 15, 2024 that vest on October 15, 2026; 305 granted on February 27, 2025 that vest on February 27, 2027; 305 granted on February 27, 2025 that vest on February 27, 2028 and 489 granted on April 15, 2025 of which 163 vest on April 15, 2026, 163 vest on April 15, 2027 and 163 vest on April 15, 2028."}],"balance_after":4836.1796,"source":{"system":"sec-edgar","filing":"0002062500-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000206250026000006/primarydocument.xml","form_type":"4"}},{"id":866926,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":46882,"kind":"person","name":"Kaplan Jeffrey A","position":1,"cik":"0001634184","reported_name":"Kaplan Jeffrey A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and General Counsel"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T21:38:28.000Z","date":"2026-02-28","kind":"grant","planned":false,"acquired":true,"shares":21203,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 32,627 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 3,218 granted on February 22, 2024 that vest on February 22, 2027; 4,103 granted on February 27, 2025 that vest on February 27, 2027 and 4,103 granted on February 27, 2025 that vest on February 27, 2028. The 21,203 RSUs reported on this Form 4 vest as follows: 7,069 vest on February 28, 2027, 7,067 vest on February 28, 2028 and 7,067 vest on February 28, 2029."}],"balance_after":106674,"source":{"system":"sec-edgar","filing":"0001634184-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000163418426000006/primarydocument.xml","form_type":"4"}},{"id":866925,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":46882,"kind":"person","name":"Kaplan Jeffrey A","position":1,"cik":"0001634184","reported_name":"Kaplan Jeffrey A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and General Counsel"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T21:38:28.000Z","date":"2026-02-27","kind":"tax_withholding","planned":false,"acquired":false,"shares":1000,"price":57.52,"value":57520.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 27, 2026 the reporting person's restricted stock units automatically vested 4,105 shares. 1,000 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 11,424 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 3,218 granted on February 22, 2024 that vest on February 22, 2027; 4,103 granted on February 27, 2025 that vest on February 27, 2027 and 4,103 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":85471,"source":{"system":"sec-edgar","filing":"0001634184-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000163418426000006/primarydocument.xml","form_type":"4"}},{"id":869047,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":52090,"kind":"person","name":"Izquierdo Sabido Agustin","position":1,"cik":"0002056904","reported_name":"Izquierdo Sabido Agustin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T21:38:13.000Z","date":"2026-02-28","kind":"grant","planned":false,"acquired":true,"shares":20158,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Represents 26,398 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 242 granted on February 22, 2024 that vest on February 22, 2027; 182 granted on April 15, 2024 that vest on April 15, 2026; 182 granted on April 15, 2024 that vest on April 15, 2027; 2,817 granted on February 27, 2025 that vest on February 27, 2027 and 2,817 granted on February 27, 2025 that vest on February 27, 2028. The 20,158 RSUs reported on this Form 4 vest as follows: 6,720 vest on February 28, 2027, 6,719 vest on February 28, 2028 and 6,719 vest on February 28, 2029."}],"balance_after":33544,"source":{"system":"sec-edgar","filing":"0002056904-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2056904/000205690426000006/primarydocument.xml","form_type":"4"}},{"id":869046,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":52090,"kind":"person","name":"Izquierdo Sabido Agustin","position":1,"cik":"0002056904","reported_name":"Izquierdo Sabido Agustin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T21:38:13.000Z","date":"2026-02-27","kind":"tax_withholding","planned":false,"acquired":false,"shares":713,"price":57.52,"value":41011.76,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 27, 2026 the reporting person's restricted stock units automatically vested 2,819 shares. 713 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents 6,240 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 242 granted on February 22, 2024 that vest on February 22, 2027; 182 granted on April 15, 2024 that vest on April 15, 2026; 182 granted on April 15, 2024 that vest on April 15, 2027; 2,817 granted on February 27, 2025 that vest on February 27, 2027 and 2,817 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":13386,"source":{"system":"sec-edgar","filing":"0002056904-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2056904/000205690426000006/primarydocument.xml","form_type":"4"}},{"id":866924,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":50293,"kind":"person","name":"Conley Trisha L","position":1,"cik":"0001964403","reported_name":"Conley Trisha L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, People and Culture"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T21:37:28.000Z","date":"2026-02-28","kind":"grant","planned":false,"acquired":true,"shares":15068,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 23,165 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 2,265 granted on February 22, 2024 that vest on February 22, 2027; 2,916 granted on February 27, 2025 that vest on February 27, 2027 and 2,916 granted on February 27, 2025 that vest on February 27, 2028. The 15,068 RSUs reported on this Form 4 vest as follows: 5,024 vest on February 28, 2027, 5,022 vest on February 28, 2028 and 5,022 vest on February 28, 2029."}],"balance_after":33766,"source":{"system":"sec-edgar","filing":"0001964403-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000196440326000006/primarydocument.xml","form_type":"4"}},{"id":866923,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":50293,"kind":"person","name":"Conley Trisha L","position":1,"cik":"0001964403","reported_name":"Conley Trisha L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, People and Culture"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T21:37:28.000Z","date":"2026-02-27","kind":"tax_withholding","planned":false,"acquired":false,"shares":711,"price":57.52,"value":40896.72,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 27, 2026 the reporting person's restricted stock units automatically vested 2,917 shares. 711 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 8,097 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 2,265 granted on February 22, 2024 that vest on February 22, 2027; 2,916 granted on February 27, 2025 that vest on February 27, 2027 and 2,916 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":18698,"source":{"system":"sec-edgar","filing":"0001964403-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000196440326000006/primarydocument.xml","form_type":"4"}},{"id":866922,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63287,"kind":"person","name":"van der Laan Yvonne","position":1,"cik":"0001949202","reported_name":"van der Laan Yvonne","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Circular & Low Carbon Sol"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T21:37:14.000Z","date":"2026-02-28","kind":"grant","planned":false,"acquired":true,"shares":12475,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 18,165 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 1,400 granted on February 22, 2024 that vest on February 22, 2027; 2,145 granted on February 27, 2025 that vest on February 27, 2027 and 2,145 granted on February 27, 2025 that vest on February 27, 2028. The 12,475 RSUs reported on this Form 4 vest as follows: 4,159 vest on February 28, 2027, 4,158 vest on February 28, 2028 and 4,158 vest on February 28, 2029."}],"balance_after":24733,"source":{"system":"sec-edgar","filing":"0001949202-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000194920226000006/primarydocument.xml","form_type":"4"}},{"id":866921,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63287,"kind":"person","name":"van der Laan Yvonne","position":1,"cik":"0001949202","reported_name":"van der Laan Yvonne","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Circular & Low Carbon Sol"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T21:37:14.000Z","date":"2026-02-27","kind":"tax_withholding","planned":false,"acquired":false,"shares":1052,"price":57.52,"value":60511.04,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 27, 2026 the reporting person's restricted stock units automatically vested 2,146 shares. 1,052 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 5,690 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 1,400 granted on February 22, 2024 that vest on February 22, 2027; 2,145 granted on February 27, 2025 that vest on February 27, 2027 and 2,145 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":12258,"source":{"system":"sec-edgar","filing":"0001949202-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000194920226000006/primarydocument.xml","form_type":"4"}},{"id":866920,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63286,"kind":"person","name":"Rhenman Torkel","position":1,"cik":"0001780174","reported_name":"Rhenman Torkel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Adv Polymer Solutions"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T20:48:15.000Z","date":"2026-02-28","kind":"grant","planned":false,"acquired":true,"shares":22552,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 34,753 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 3,473 granted on February 22, 2024 that vest on February 22, 2027; 4,364 granted on February 27, 2025 that vest on February 27, 2027 and 4,364 granted on February 27, 2025 that vest on February 27, 2028. The 22,552 RSUs reported on this Form 4 vest as follows: 7,518 vest on February 28, 2027, 7,517 vest on February 28, 2028 and 7,517 vest on February 28, 2029."}],"balance_after":116836,"source":{"system":"sec-edgar","filing":"0001780174-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000178017426000006/primarydocument.xml","form_type":"4"}},{"id":866919,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63286,"kind":"person","name":"Rhenman Torkel","position":1,"cik":"0001780174","reported_name":"Rhenman Torkel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Adv Polymer Solutions"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T20:48:15.000Z","date":"2026-02-27","kind":"tax_withholding","planned":false,"acquired":false,"shares":1196,"price":57.52,"value":68793.92,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 27, 2026 the reporting person's restricted stock units automatically vested 4,366 shares. 1,196 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 12,201 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 3,473 granted on February 22, 2024 that vest on February 22, 2027; 4,364 granted on February 27, 2025 that vest on February 27, 2027 and 4,364 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":94284,"source":{"system":"sec-edgar","filing":"0001780174-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000178017426000006/primarydocument.xml","form_type":"4"}},{"id":868631,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63412,"kind":"person","name":"Ledet Aaron J","position":1,"cik":"0002012815","reported_name":"Ledet Aaron J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, I&D & Supply Chain"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T16:37:50.000Z","date":"2026-02-28","kind":"grant","planned":false,"acquired":true,"shares":17247,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 23,473 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 1,232 granted on February 22, 2024 that vest on February 22, 2027; 2,497 granted on February 27, 2025 that vest on February 26, 2027 and 2,497 granted on February 27, 2025 that vest on February 26, 2028. The 17,247 RSUs reported on this Form 4 vest as follows: 5,749 vest on February 28, 2027, 5,749 vest on February 28, 2028 and 5,749 vest on February 28, 2029."}],"balance_after":31713.5326,"source":{"system":"sec-edgar","filing":"0002012815-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2012815/000201281526000006/primarydocument.xml","form_type":"4"}},{"id":868630,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63412,"kind":"person","name":"Ledet Aaron J","position":1,"cik":"0002012815","reported_name":"Ledet Aaron J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, I&D & Supply Chain"}}],"security":"Class A Ordinary Shares","published_at":"2026-03-03T16:37:50.000Z","date":"2026-02-27","kind":"tax_withholding","planned":false,"acquired":false,"shares":609,"price":57.52,"value":35029.68,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 27, 2026 the reporting person's restricted stock units automatically vested 2,497 shares. 609 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 6,226 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 1,232 granted on February 22, 2024 that vest on February 22, 2027; 2,497 granted on February 27, 2025 that vest on February 26, 2027 and 2,497 granted on February 27, 2025 that vest on February 26, 2028."}],"balance_after":14466.5326,"source":{"system":"sec-edgar","filing":"0002012815-26-000006","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2012815/000201281526000006/primarydocument.xml","form_type":"4"}},{"id":884690,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63287,"kind":"person","name":"van der Laan Yvonne","position":1,"cik":"0001949202","reported_name":"van der Laan Yvonne","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Circular & Low Carbon Sol"}}],"security":"Class A Ordinary Shares","published_at":"2026-02-24T21:33:05.000Z","date":"2026-02-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":782,"price":56.66,"value":44308.12,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"On February 23, 2026 the reporting person's restricted stock units automatically vested 1,595 shares. 782 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 7,836 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 1,400 granted on February 22, 2024 that vest on February 22, 2027;  2,146 granted on February 27, 2025 that vest on February 27, 2026; 2,145 granted on February 27, 2025 that vest on February 27, 2027 and 2,145 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":13310,"source":{"system":"sec-edgar","filing":"0001949202-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000194920226000004/primarydocument.xml","form_type":"4"}},{"id":884689,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63287,"kind":"person","name":"van der Laan Yvonne","position":1,"cik":"0001949202","reported_name":"van der Laan Yvonne","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Circular & Low Carbon Sol"}}],"security":"Class A Ordinary Shares","published_at":"2026-02-24T21:33:05.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":686,"price":56.67,"value":38875.62,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 22, 2026 the reporting person's restricted stock units automatically vested 1,400 shares. 686 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 9,431 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 1,595 granted on February 23, 2023 that vest on February 23, 2026; 1,400 granted on February 22, 2024 that vest on February 22, 2027;  2,146 granted on February 27, 2025 that vest on February 27, 2026; 2,145 granted on February 27, 2025 that vest on February 27, 2027 and 2,145 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":14092,"source":{"system":"sec-edgar","filing":"0001949202-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000194920226000004/primarydocument.xml","form_type":"4"}},{"id":884692,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63289,"kind":"person","name":"Vanacker Peter Z. 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19,072 granted on February 27, 2025 that vest on February 27, 2027 and 19,072 granted on February 27, 2025 vest on February 27, 2028."}],"balance_after":168613,"source":{"system":"sec-edgar","filing":"0001911538-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000191153826000004/primarydocument.xml","form_type":"4"}},{"id":884688,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":42782,"kind":"person","name":"Seward James Malcolm","position":1,"cik":"0001783902","reported_name":"Seward James Malcolm","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Innovation Officer"}}],"security":"Class A Ordinary Shares","published_at":"2026-02-24T21:32:08.000Z","date":"2026-02-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":1307,"price":56.66,"value":74054.62,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"On February 23, 2026 the reporting person's restricted stock units automatically vested 2,639 shares. 1,307 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 7,994 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 1,696 granted on February 22, 2024 that vest on February 22, 2027; 2,100 granted on February 27, 2025 that vest on February 27, 2026, 2,099 granted on February 27, 2025 that vest on February 27, 2027 and 2,099 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":34562,"source":{"system":"sec-edgar","filing":"0001783902-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000178390226000004/primarydocument.xml","form_type":"4"}},{"id":884687,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":42782,"kind":"person","name":"Seward James Malcolm","position":1,"cik":"0001783902","reported_name":"Seward James Malcolm","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Innovation Officer"}}],"security":"Class A Ordinary Shares","published_at":"2026-02-24T21:32:08.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":840,"price":56.67,"value":47602.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 22, 2026 the reporting person's restricted stock units automatically vested 1,696 shares. 840 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 10,633 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 2,639 granted on February 23, 2023 that vest on February 23, 2026; 1,696 granted on February 22, 2024 that vest on February 22, 2027; 2,100 granted on February 27, 2025 that vest on February 27, 2026, 2,099 granted on February 27, 2025 that vest on February 27, 2027 and 2,099 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":35869,"source":{"system":"sec-edgar","filing":"0001783902-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000178390226000004/primarydocument.xml","form_type":"4"}},{"id":884686,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63286,"kind":"person","name":"Rhenman Torkel","position":1,"cik":"0001780174","reported_name":"Rhenman Torkel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Adv Polymer Solutions"}}],"security":"Class A Ordinary Shares","published_at":"2026-02-24T21:31:44.000Z","date":"2026-02-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":1549,"price":56.66,"value":87766.34,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"On February 23, 2026 the reporting person's restricted stock units automatically vested 6,361 shares. 1,549 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 16,567 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 3,473 granted on February 22, 2024 that vest on February 22, 2027; 4,366 granted on February 27, 2025 that vest on February 27, 2026; 4,364 granted on February 27, 2025 that vest on February 27, 2027 and 4,364 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":95480,"source":{"system":"sec-edgar","filing":"0001780174-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000178017426000004/primarydocument.xml","form_type":"4"}},{"id":884685,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63286,"kind":"person","name":"Rhenman Torkel","position":1,"cik":"0001780174","reported_name":"Rhenman Torkel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Adv Polymer Solutions"}}],"security":"Class A Ordinary Shares","published_at":"2026-02-24T21:31:44.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":846,"price":56.67,"value":47942.82,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 22, 2026 the reporting person's restricted stock units automatically vested 3,473 shares. 846 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 22,928 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 6,361 granted on February 23, 2023 that vest on February 23, 2026; 3,473 granted on February 22, 2024 that vest on February 22, 2027; 4,366 granted on February 27, 2025 that vest on February 27, 2026; 4,364 granted on February 27, 2025 that vest on February 27, 2027 and 4,364 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":97029,"source":{"system":"sec-edgar","filing":"0001780174-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000178017426000004/primarydocument.xml","form_type":"4"}},{"id":884684,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":46882,"kind":"person","name":"Kaplan Jeffrey A","position":1,"cik":"0001634184","reported_name":"Kaplan Jeffrey A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and General Counsel"}}],"security":"Class A Ordinary Shares","published_at":"2026-02-24T21:31:02.000Z","date":"2026-02-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":1341,"price":56.66,"value":75981.06,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"On February 23, 2026 the reporting person's restricted stock units automatically vested 5,504 shares. 1,341 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 15,529 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 3,218 granted on February 22, 2024 that vest on February 22, 2027; 4,105 granted on February 27, 2025 that vest on February 27, 2026; 4,103 granted on February 27, 2025 that vest on February 27, 2027 and 4,103 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":86471,"source":{"system":"sec-edgar","filing":"0001634184-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000163418426000004/primarydocument.xml","form_type":"4"}},{"id":884683,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":46882,"kind":"person","name":"Kaplan Jeffrey A","position":1,"cik":"0001634184","reported_name":"Kaplan Jeffrey A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and General Counsel"}}],"security":"Class A Ordinary Shares","published_at":"2026-02-24T21:31:02.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":784,"price":56.67,"value":44429.28,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 22, 2026 the reporting person's restricted stock units automatically vested 3,218 shares. 784 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 21,033 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 5,504 granted on February 23, 2023 that vest on February 23, 2026; 3,218 granted on February 22, 2024 that vest on February 22, 2027; 4,105 granted on February 27, 2025 that vest on February 27, 2026; 4,103 granted on February 27, 2025 that vest on February 27, 2027 and 4,103 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":87812,"source":{"system":"sec-edgar","filing":"0001634184-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000163418426000004/primarydocument.xml","form_type":"4"}},{"id":885481,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":52090,"kind":"person","name":"Izquierdo Sabido Agustin","position":1,"cik":"0002056904","reported_name":"Izquierdo Sabido Agustin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Class A Ordinary Shares","published_at":"2026-02-24T21:30:25.000Z","date":"2026-02-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":126,"price":56.66,"value":7139.16,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"On February 23, 2026 the reporting person's restricted stock units automatically vested 424 shares. 126 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Represents 9,059 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 242 granted on February 22, 2024 that vest on February 22, 2027; 182 granted on April 15, 2024 that vest on April 15, 2026; 182 granted on April 15, 2024 that vest on April 15, 2027; 2,819 granted on February 27, 2025 that vest on February 27, 2026; 2,817 granted on February 27, 2025 that vest on February 27, 2027 and 2,817 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":14099,"source":{"system":"sec-edgar","filing":"0002056904-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2056904/000205690426000004/primarydocument.xml","form_type":"4"}},{"id":885480,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":52090,"kind":"person","name":"Izquierdo Sabido Agustin","position":1,"cik":"0002056904","reported_name":"Izquierdo Sabido Agustin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Class A Ordinary Shares","published_at":"2026-02-24T21:30:25.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":72,"price":56.67,"value":4080.24,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 22, 2026 the reporting person's restricted stock units automatically vested 242 shares. 72 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents 9,483 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 424 granted on February 23, 2023 that vest on February 23, 2026; 242 granted on February 22, 2024 that vest on February 22, 2027; 182 granted on April 15, 2024 that vest on April 15, 2026; 182 granted on April 15, 2024 that vest on April 15, 2027; 2,819 granted on February 27, 2025 that vest on February 27, 2026; 2,817 granted on February 27, 2025 that vest on February 27, 2027 and 2,817 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":14225,"source":{"system":"sec-edgar","filing":"0002056904-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2056904/000205690426000004/primarydocument.xml","form_type":"4"}},{"id":884682,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":52049,"kind":"person","name":"Hayes Matthew D","position":1,"cik":"0002062500","reported_name":"Hayes Matthew D","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & CAO"}}],"security":"Class A Ordinary Shares","published_at":"2026-02-24T21:30:11.000Z","date":"2026-02-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":124,"price":56.66,"value":7025.84,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"On February 23, 2026 the reporting person's restricted stock units automatically vested 417 shares. 124 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 2,266 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 237 granted on February 22, 2024 that vest on February 22, 2027; 307 granted on February 27, 2025 that vest on February 27, 2026; 623 granted on October 15, 2024 that vest on October 15, 2026; 305 granted on February 27, 2025 that vest on February 27, 2027; 305 granted on February 27, 2025 that vest on February 27, 2028 and 489 granted on April 15, 2025 of which 163 vest on April 15, 2026, 163 vest on April 15, 2027 and 163 vest on April 15, 2028."}],"balance_after":4928.1796,"source":{"system":"sec-edgar","filing":"0002062500-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000206250026000004/primarydocument.xml","form_type":"4"}},{"id":884681,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":52049,"kind":"person","name":"Hayes Matthew D","position":1,"cik":"0002062500","reported_name":"Hayes Matthew D","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & CAO"}}],"security":"Class A Ordinary Shares","published_at":"2026-02-24T21:30:11.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":71,"price":56.67,"value":4023.57,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 22, 2026 the reporting person's restricted stock units automatically vested 237 shares. 71 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 2,683 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 417 granted on February 23, 2023 that vest on February 23, 2026; 237 granted on February 22, 2024 that vest on February 22, 2027; 307 granted on February 27, 2025 that vest on February 27, 2026; 623 granted on October 15, 2024 that vest on October 15, 2026; 305 granted on February 27, 2025 that vest on February 27, 2027; 305 granted on February 27, 2025 that vest on February 27, 2028 and 489 granted on April 15, 2025 of which 163 vest on April 15, 2026, 163 vest on April 15, 2027 and 163 vest on April 15, 2028."}],"balance_after":5052.1796,"source":{"system":"sec-edgar","filing":"0002062500-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000206250026000004/primarydocument.xml","form_type":"4"}},{"id":884680,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63288,"kind":"person","name":"Friedrichs Dale D","position":1,"cik":"0001697503","reported_name":"Friedrichs Dale D","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Ops Excellence, HSE"}}],"security":"Class A Ordinary Shares","published_at":"2026-02-24T21:29:41.000Z","date":"2026-02-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":1047,"price":56.66,"value":59323.02,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"On February 23, 2026 the reporting person's restricted stock units automatically vested 4,296 shares. 1,047 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 11,717 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 2,428 granted on February 22, 2024  that vest on February 22, 2027; 3,097 granted on February 27, 2025 that vest on February 27, 2026, 3,096 granted on February 27, 2025 that vest on February 27, 2027 and 3,096 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":48091,"source":{"system":"sec-edgar","filing":"0001697503-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000169750326000004/primarydocument.xml","form_type":"4"}},{"id":884679,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63288,"kind":"person","name":"Friedrichs Dale D","position":1,"cik":"0001697503","reported_name":"Friedrichs Dale D","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Ops Excellence, HSE"}}],"security":"Class A Ordinary Shares","published_at":"2026-02-24T21:29:41.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":535,"price":56.67,"value":30318.45,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 22, 2026 the reporting person's restricted stock units automatically vested 2,428 shares. 535 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 16,013 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 4,296 granted on February 23, 2023 that vest on February 23, 2026; 2,428 granted on February 22, 2024  that vest on February 22, 2027; 3,097 granted on February 27, 2025 that vest on February 27, 2026, 3,096 granted on February 27, 2025 that vest on February 27, 2027 and 3,096 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":49138,"source":{"system":"sec-edgar","filing":"0001697503-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000169750326000004/primarydocument.xml","form_type":"4"}},{"id":884678,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63290,"kind":"person","name":"Foley Kimberly A","position":1,"cik":"0001791947","reported_name":"Foley Kimberly A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Global O&P and Refining"}}],"security":"Class A Ordinary Shares","published_at":"2026-02-24T21:29:18.000Z","date":"2026-02-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":1356,"price":56.66,"value":76830.96,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"On February 23, 2026 the reporting person's restricted stock units automatically vested 5,566 shares. 1,356 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 16,749 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 10,095 granted on February 22, 2024 of which 3,365 vested on February 22, 2025, 3,365 vest on February 22, 2027 and 13,384 granted on February 27, 2025 of which 4,462 vest on February 27, 2026, 4,461 vest on February 27, 2027 and 4,461 vest on February 27, 2028."}],"balance_after":68325.547,"source":{"system":"sec-edgar","filing":"0001791947-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000179194726000004/primarydocument.xml","form_type":"4"}},{"id":884677,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63290,"kind":"person","name":"Foley Kimberly A","position":1,"cik":"0001791947","reported_name":"Foley Kimberly A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Global O&P and Refining"}}],"security":"Class A Ordinary Shares","published_at":"2026-02-24T21:29:18.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":820,"price":56.67,"value":46469.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 22, 2026 the reporting person's restricted stock units automatically vested 3,365 shares. 820 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 22,315 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 5,566 granted on February 23, 2023 that vest on February 23, 2026; 10,095 granted on February 22, 2024 of which 3,365 vested on February 22, 2025, 3,365 vest on February 22, 2027 and 13,384 granted on February 27, 2025 of which 4,462 vest on February 27, 2026, 4,461 vest on February 27, 2027 and 4,461 vest on February 27, 2028."}],"balance_after":69681.547,"source":{"system":"sec-edgar","filing":"0001791947-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000179194726000004/primarydocument.xml","form_type":"4"}},{"id":884675,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":50293,"kind":"person","name":"Conley Trisha L","position":1,"cik":"0001964403","reported_name":"Conley Trisha L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, People and Culture"}}],"security":"Class A Ordinary Shares","published_at":"2026-02-24T21:28:28.000Z","date":"2026-02-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":976,"price":56.66,"value":55300.16,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"On February 23, 2026 the reporting person's restricted stock units automatically vested 4,008 shares. 976 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 11,014 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 2,265 granted on February 22, 2024 that vest on February 22, 2027; 2,917 granted on February 27, 2025 that vest on February 27, 2026; 2,916 granted on February 27, 2025 that vest on February 27, 2027 and 2,916 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":19409,"source":{"system":"sec-edgar","filing":"0001964403-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000196440326000004/primarydocument.xml","form_type":"4"}},{"id":884674,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":50293,"kind":"person","name":"Conley Trisha L","position":1,"cik":"0001964403","reported_name":"Conley Trisha L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, People and Culture"}}],"security":"Class A Ordinary Shares","published_at":"2026-02-24T21:28:28.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":552,"price":56.67,"value":31281.84,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 22, 2026 the reporting person's restricted stock units automatically vested 2,265 shares. 552 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 15,022 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 4,008 granted on February 23, 2023 that vest on February 23, 2026; 2,265 granted on February 22, 2024 that vest on February 22, 2027; 2,917 granted on February 27, 2025 that vest on February 27, 2026; 2,916 granted on February 27, 2025 that vest on February 27, 2027 and 2,916 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":20385,"source":{"system":"sec-edgar","filing":"0001964403-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000196440326000004/primarydocument.xml","form_type":"4"}},{"id":884676,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":42781,"kind":"person","name":"Campbell Tracey D","position":1,"cik":"0001948900","reported_name":"Campbell Tracey D","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Sustainability & Corp Aff"}}],"security":"Class A Ordinary Shares","published_at":"2026-02-24T21:27:41.000Z","date":"2026-02-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":340,"price":56.66,"value":19264.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 23, 2026 the reporting person's restricted stock units automatically vested 1,155 shares. 340 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 5,272 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 2,205 granted on February 22, 2024 of which 735 were deferred on February 22, 2025, 735 were deferred on February 22, 2026; 735 vest on February 22, 2027 and 3,067 granted on February 27, 2025 of which 1,023 vest on February 27, 2026, 1,022 vest on February 27, 2027 and 1,022 vest on February 27, 2028."}],"balance_after":13326.36,"source":{"system":"sec-edgar","filing":"0001948900-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000194890026000004/primarydocument.xml","form_type":"4"}},{"id":885387,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63412,"kind":"person","name":"Ledet Aaron J","position":1,"cik":"0002012815","reported_name":"Ledet Aaron J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, I&D & Supply Chain"}}],"security":"Class A Ordinary Shares","published_at":"2026-02-24T16:31:21.000Z","date":"2026-02-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":354,"price":56.66,"value":20057.64,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"On February 23, 2026 the reporting person's restricted stock units automatically vested 1,453 shares. 354 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 8,723 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 1,232 granted on February 22, 2024 that vest on February 22, 2027; 2,497 granted on February 27, 2025 that vest on February 27, 2026; 2,497 granted on February 27, 2025 that vest on February 26, 2027 and 2,497 granted on February 27, 2025 that vest on February 26, 2028."}],"balance_after":15075.5326,"source":{"system":"sec-edgar","filing":"0002012815-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2012815/000201281526000004/primarydocument.xml","form_type":"4"}},{"id":885386,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63412,"kind":"person","name":"Ledet Aaron J","position":1,"cik":"0002012815","reported_name":"Ledet Aaron J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, I&D & Supply Chain"}}],"security":"Class A Ordinary Shares","published_at":"2026-02-24T16:31:21.000Z","date":"2026-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":333,"price":56.67,"value":18871.11,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 22, 2026 the reporting person's restricted stock units automatically vested 1,232 shares. 333 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 10,176 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 1,453 granted on February 23, 2023 that vest on February 23, 2026; 1,232 granted on February 22, 2024 that vest on February 22, 2027; 2,497 granted on February 27, 2025 that vest on February 27, 2026; 2,497 granted on February 27, 2025 that vest on February 26, 2027 and 2,497 granted on February 27, 2025 that vest on February 26, 2028."}],"balance_after":15429.5326,"source":{"system":"sec-edgar","filing":"0002012815-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2012815/000201281526000004/primarydocument.xml","form_type":"4"}},{"id":890632,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63287,"kind":"person","name":"van der Laan Yvonne","position":1,"cik":"0001949202","reported_name":"van der Laan Yvonne","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Circular & Low Carbon Sol"}}],"security":"Class A Ordinary Shares","published_at":"2026-02-20T22:22:09.000Z","date":"2026-02-18","kind":"grant","planned":false,"acquired":true,"shares":289,"price":55.97,"value":16175.33,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"Represents shares from the settlement of dividend equivalents that accrued on the performance-based stock units prior to vesting and granted to the Reporting Person on February 23, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 10,831 restricted stock units (\"RSUs\") granted pursuant to the issuer's long-term incentive plan: 1,595 granted on February 23, 2023 that vest on February 23, 2026; 1,400 granted on February 22, 2024 that vest on February 22, 2026; 1,400 granted on February 22, 2024 that vest on February 22, 2027;  2,146 granted on February 27, 2025 that vest on February 27, 2026; 2,145 granted on February 27, 2025 that vest on February 27, 2027 and 2,145 granted on February 27, 2025 that vest on February 27, 2028."}],"balance_after":14778,"source":{"system":"sec-edgar","filing":"0001949202-26-000002","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1489393/000194920226000002/primarydocument.xml","form_type":"4"}},{"id":890631,"issuer":{"id":3246,"kind":"organization","name":"LyondellBasell Industries N.V."},"owners":[{"id":63287,"kind":"person","name":"van der Laan Yvonne","position":1,"cik":"0001949202","reported_name":"van der Laan Yvonne","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Circular & Low Carbon Sol"}}],"security":"Class A Ordinary Shares","published_at":"2026-02-20T22:22:09.000Z","date":"2026-02-18","kind":"grant","planned":false,"acquired":true,"shares":797,"price":55.97,"value":44608.09,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Represents shares earned in connection with the performance-based stock units previously granted and unreportable on February 23, 2023 pursuant to the issuer's long-term incentive plan. 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