Sabido Agustin Izquierdo - Nov 15, 2025 Form 4 Insider Report for LyondellBasell Industries N.V. (LYB)

Signature
/s/ Lara A. Mason, Attorney-in-Fact
Stock symbol
LYB
Transactions as of
Nov 15, 2025
Transactions value $
-$52,367
Form type
4
Date filed
11/17/2025, 05:02 PM
Previous filing
Apr 17, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Izquierdo Sabido Agustin EVP & Chief Financial Officer 4TH FLOOR, ONE VINE STREET, LONDON, UNITED KINGDOM /s/ Lara A. Mason, Attorney-in-Fact 2025-11-17 0002056904

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction LYB Class A Ordinary Shares Tax liability -$52.4K -1.16K -7.58% $45.30 14.1K Nov 15, 2025 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 On November 15, 2025, the reporting person's restricted stock units automatically vested 4,741 shares. 1,156 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.
F2 Represents 9,725 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 424 granted on February 23, 2023 that vest on February 23, 2026; 242 granted on February 22, 2024 that vest on February 22, 2026; 242 granted on February 22, 2024 that vest on February 22, 2027; 182 granted on April 15, 2024 that vest on April 15, 2026; 182 granted on April 15, 2024 that vest on April 15, 2027; 2,819 granted on February 27, 2025 that vest on February 27, 2026; 2,817 granted on February 27, 2025 that vest on February 27, 2027 and 2,817 granted on February 27, 2025 that vest on February 27, 2028.