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

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: LYB
Reported as of: 22 Feb 2026
Net transaction value: -$972,630
SEC form: 4
Accepted by SEC: 24 Feb 2026, 16:32:31 UTC
Prior SEC filing: 20 Feb 2026
Next SEC filing: 03 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Lara A. Mason, Attorney-in-Fact

Key filing fact

Peter Z. E. Vanacker filed Form 4 for LyondellBasell Industries N.V. (LYB) on 24 Feb 2026.

Key facts

This page summarizes Peter Z. E. Vanacker's Form 4 filing for LyondellBasell Industries N.V. (LYB).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 24 Feb 2026, 16:32.

Change

Previous filing in this sequence was filed on 20 Feb 2026.
Current net transaction value: -$972,630.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001911538 Primary reporting owner

Vanacker Peter Z. E.

Relationship: Chief Executive Officer, Director
Address: 4TH FLOOR, ONE VINE STREET, LONDON, UNITED KINGDOM
Signature: /s/ Lara A. Mason, Attorney-in-Fact
Signature date: 24 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

LYB transaction

Class A Ordinary Shares

Tax liability

Transaction value: $343,590
Shares: -6,063
Change %: -3.5%
Price: $56.67
Shares after: 168,613
Date: 22 Feb 2026
Ownership: Direct
Footnotes: F1, F2

LYB transaction

Class A Ordinary Shares

Tax liability

Transaction value: $629,039
Shares: -11,102
Change %: -6.6%
Price: $56.66
Shares after: 157,511
Date: 23 Feb 2026
Ownership: Direct
Footnotes: F3, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote 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.

Footnote 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.

Footnote 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.

Footnote 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.