Form 4 for LYB LyondellBasell

Accepted 2026-03-03 00:00:00 ET · period of report 2026-02-27 · accession 0001948900-26-000006 · 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
	2026-03-03	2026-02-27	LYB	Campbell Tracey D	EVP, Sustainability, Corp Aff	F - Tax	$57.52	-248	13.1K	-2%	-$14.3K
	2026-03-03	2026-02-28	LYB	Campbell Tracey D	EVP, Sustainability, Corp Aff	A - Grant	$0.00	+5,282	18.4K	+40%	$0

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	2026-02-27	F	D	248	$57.52	13,078.36	D	—	—	(F1) 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. (F2) 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.
2	Common	Class A Ordinary Shares	2026-02-28	A	A	5,282	$0.00	18,360.36	D	—	—	(F3) 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.