Peter Z. E. Vanacker - 22 Feb 2026 Form 4 Insider Report for LyondellBasell Industries N.V. (LYB)

Role
Chief Executive Officer, Director
Signature
/s/ Lara A. Mason, Attorney-in-Fact
Issuer symbol
LYB
Transactions as of
22 Feb 2026
Net transactions value
-$972,630
Form type
4
Filing time
24 Feb 2026, 16:32:31 UTC
Previous filing
20 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Vanacker Peter Z. E. Chief Executive Officer, Director 4TH FLOOR, ONE VINE STREET, LONDON, UNITED KINGDOM /s/ Lara A. Mason, Attorney-in-Fact 24 Feb 2026 0001911538

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction LYB Class A Ordinary Shares Tax liability $343,590 -6,063 -3.5% $56.67 168,613 22 Feb 2026 Direct F1, F2
transaction LYB Class A Ordinary Shares Tax liability $629,039 -11,102 -6.6% $56.66 157,511 23 Feb 2026 Direct F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 On February 22, 2026 the reporting person's restricted stock units automatically vested 15,406 shares. 6,063 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.
F2 Includes 100,835 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 28,211 granted on February 23, 2023 that vest on February 23, 2026; 15,406 granted on February 22, 2024 that vest on February 22, 2027; 19,074 granted on February 27, 2025 that vest on February 27, 2026; 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.
F3 On February 23, 2026 the reporting person's restricted stock units automatically vested 28,211 shares. 11,102 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.
F4 Includes 72,624 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; 19,074 granted on February 27, 2025 that vest on February 27, 2026; 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.