SEC INSIDER TRANSACTIONS

LyondellBasell Industries N.V. (LYB) Insider Transactions

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LYB · LyondellBasell Industries N.V.

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Roles: director,officer,ten_percent_owner,otherOwner nameOfficer titleOwnership: D, I, unknownoriginal or amendedTransaction fromTransaction throughFiled fromFiled throughMinimum quantityMaximum quantityMinimum priceMaximum priceMinimum calculated valueMaximum calculated valueResults per page (1–100)

OR within codes/roles; AND between categories. Roles apply to buyers and sellers. Owner predicates match the same owner. Missing values fail numeric/date filters. Value is quantity × reported price for non-derivative rows only; derivative values are unknown. Amendments stay separate; joint owners do not duplicate rows.

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Stale snapshot · Covered: filings 2026-05-14 to 2026-11-13 · 20 filings · fetched 2026-11-13T18:38:50Z

Recent reported activity

0purchase rows on this page

1sale rows on this page

39matching filing rows

Purchases and sales count original non-derivative P and S rows. Awards, gifts, exercises, derivatives and amendments are shown separately and are not described as market purchases.

Transaction / filed	Reporting owner(s)	Code / security	Quantity	Price as filed	Ownership	Source
2026-05-22Filed 2026-05-26	AIGRAIN JACQUESDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Includes 10,014 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan, including 5,577 that vest on May 22, 2026. The 4,437 RSUs reported on this Form 4 vest on May 21, 2027. F2 On May 22, 2026 the reporting person's restricted stock units automatically vested 5,577 shares. 575 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations. F3 Includes 4,437 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan that vest on May 21, 2027. References: F2, F3	F WithholdingClass A Ordinary Shares · Non-derivative	575D	69.72	Direct	Form 4 ↗0001094730-26-000002
2026-05-22Filed 2026-05-26	KAMSKY VIRGINIA ADirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Includes 5,238 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan, including 2,917 that vest on May 22, 2026. The 2,321 RSUs reported on this Form 4 vest on May 21, 2027. F2 On May 22, 2026 the reporting person's restricted stock units automatically vested 2,917 shares. 593 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations. F3 Includes 2,321 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan that vest on May 21, 2027. References: F2, F3	F WithholdingClass A Ordinary Shares · Non-derivative	593D	69.72	Direct	Form 4 ↗0001059614-26-000004
2026-05-21Filed 2026-05-26	Griffin Rita EDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Includes 5,238 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan, including 2,917 that vest on May 22, 2026. The 2,321 RSUs reported on this Form 4 vest on May 21, 2027. F2 On May 22, 2026 the reporting person's restricted stock units automatically vested 2,917 shares. 639 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations. F3 Includes 2,321 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan that vest on May 21, 2027. References: F1	A Award / grantClass A Ordinary Shares · Non-derivative	2,321A	0	Direct	Form 4 ↗0001977097-26-000002
2026-05-21Filed 2026-05-26	Dudley Robert W.Director Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Includes 5,238 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan, including 2,917 that vest on May 22, 2026. The 2,321 RSUs reported on this Form 4 vest on May 21, 2027. F2 On May 22, 2026 the reporting person's restricted stock units automatically vested 2,917 shares. 708 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations. F3 Includes 2,321 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan that vest on May 21, 2027. References: F1	A Award / grantClass A Ordinary Shares · Non-derivative	2,321A	0	Direct	Form 4 ↗0001855587-26-000003
2026-05-21Filed 2026-05-26	Karlin Bridget EDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Includes 5,238 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan, including 2,917 that vest on May 22, 2026. The 2,321 RSUs reported on this Form 4 vest on May 21, 2027. F2 On May 22, 2026 the reporting person's restricted stock units automatically vested 2,917 shares. 521 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations. F3 Includes 2,321 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan that vest on May 21, 2027. References: F1	A Award / grantClass A Ordinary Shares · Non-derivative	2,321A	0	Direct	Form 4 ↗0001797157-26-000004
2026-05-21Filed 2026-05-26	Manifold Albert JudeDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Includes 5,238 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan, including 2,917 that vest on May 22, 2026. The 2,321 RSUs reported on this Form 4 vest on May 21, 2027. F2 On May 22, 2026 the reporting person's restricted stock units automatically vested 2,917 shares. 689 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations. F3 Includes 2,321 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan that vest on May 21, 2027. References: F1	A Award / grantClass A Ordinary Shares · Non-derivative	2,321A	0	Direct	Form 4 ↗0001778101-26-000002
2026-05-21Filed 2026-05-26	Hanley Michael SeanDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Includes 5,238 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan, including 2,917 that vest on May 22, 2026. The 2,321 RSUs reported on this Form 4 vest on May 21, 2027. F2 On May 22, 2026 the reporting person's restricted stock units automatically vested 2,917 shares. 540 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations. F3 Includes 2,321 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan that vest on May 21, 2027. References: F1	A Award / grantClass A Ordinary Shares · Non-derivative	2,321A	0	Direct	Form 4 ↗0001760238-26-000002
2026-05-21Filed 2026-05-26	Benet Lincoln EDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Includes 5,238 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan, including 2,917 that vest on May 22, 2026. The 2,321 RSUs reported on this Form 4 vest on May 21, 2027. F2 On May 22, 2026 the reporting person's restricted stock units automatically vested 2,917 shares. 1,410 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations. F3 Includes 2,321 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan that vest on May 21, 2027. References: F1	A Award / grantClass A Ordinary Shares · Non-derivative	2,321A	0	Direct	Form 4 ↗0001644643-26-000002
2026-05-21Filed 2026-05-26	Buchanan Robin W.T.Director Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Includes 5,238 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan, including 2,917 that vest on May 22, 2026. The 2,321 RSUs reported on this Form 4 vest on May 21, 2027. F2 On May 22, 2026 the reporting person's restricted stock units automatically vested 2,917 shares. 1,247 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations. F3 Includes 2,321 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan that vest on May 21, 2027. References: F1	A Award / grantClass A Ordinary Shares · Non-derivative	2,321A	0	Direct	Form 4 ↗0001519805-26-000002
2026-05-21Filed 2026-05-26	CHASE ANTHONY RDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Includes 5,238 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan, including 2,917 that vest on May 22, 2026. The 2,321 RSUs reported on this Form 4 vest on May 21, 2027. F2 On May 22, 2026 the reporting person's restricted stock units automatically vested 2,917 shares. 540 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations. F3 Includes 2,321 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan that vest on May 21, 2027. References: F1	A Award / grantClass A Ordinary Shares · Non-derivative	2,321A	0	Direct	Form 4 ↗0001223756-26-000002
2026-05-21Filed 2026-05-26	FARLEY CLAIRE SDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Includes 5,238 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan, including 2,917 that vest on May 22, 2026. The 2,321 RSUs reported on this Form 4 vest on May 21, 2027. F2 On May 22, 2026 the reporting person's restricted stock units automatically vested 2,917 shares. 565 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations. F3 Includes 2,321 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan that vest on May 21, 2027. References: F1	A Award / grantClass A Ordinary Shares · Non-derivative	2,321A	0	Direct	Form 4 ↗0001204506-26-000006
2026-05-21Filed 2026-05-26	AIGRAIN JACQUESDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Includes 10,014 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan, including 5,577 that vest on May 22, 2026. The 4,437 RSUs reported on this Form 4 vest on May 21, 2027. F2 On May 22, 2026 the reporting person's restricted stock units automatically vested 5,577 shares. 575 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations. F3 Includes 4,437 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan that vest on May 21, 2027. References: F1	A Award / grantClass A Ordinary Shares · Non-derivative	4,437A	0	Direct	Form 4 ↗0001094730-26-000002
2026-05-21Filed 2026-05-26	KAMSKY VIRGINIA ADirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Includes 5,238 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan, including 2,917 that vest on May 22, 2026. The 2,321 RSUs reported on this Form 4 vest on May 21, 2027. F2 On May 22, 2026 the reporting person's restricted stock units automatically vested 2,917 shares. 593 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations. F3 Includes 2,321 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan that vest on May 21, 2027. References: F1	A Award / grantClass A Ordinary Shares · Non-derivative	2,321A	0	Direct	Form 4 ↗0001059614-26-000004
2026-05-13Filed 2026-05-15	Kaplan Jeffrey AOfficer · EVP, Chief PC, Leg & Corp Ofc Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 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. F2 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. References: F1, F2	S Sale (market/private)Class A Ordinary Shares · Non-derivative	10,000D	74.1573	Direct	Form 4 ↗0001634184-26-000008

Imported instruments only. Joint owners do not multiply transactions. Amendments are separate filing rows, not additional trades. No aggregate trade totals are implied.