Peter Z. E. Vanacker - 27 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
27 Feb 2026
Net transactions value
-$431,745
Form type
4
Filing time
03 Mar 2026, 16:39:44 UTC
Previous filing
24 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 03 Mar 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 $431,745 -7,506 -4.8% $57.52 150,005 27 Feb 2026 Direct F1, F2
transaction LYB Class A Ordinary Shares Award $0 +98,549 +66% $0.000000 248,554 28 Feb 2026 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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.
F2 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.
F3 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.