Form 4 for LYB LyondellBasell

Accepted 2026-02-24 00:00:00 ET · period of report 2026-02-22 · accession 0001780174-26-000004 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
M	2026-02-24	2026-02-22+	LYB	Rhenman Torkel	EVP, Adv Polymer Solutions	F - Tax	$56.66	-2,395	97.0K	-2%	-$135.7K

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Class A Ordinary Shares	2026-02-23	F	D	1,549	$56.66	95,480	D	—	—	(F3) 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. (F4) 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.
2	Common	Class A Ordinary Shares	2026-02-22	F	D	846	$56.67	97,029	D	—	—	(F1) 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. (F2) 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.