Jeffrey A. Kaplan - 22 Feb 2026 Form 4 Insider Report for LyondellBasell Industries N.V. (LYB)

Signature
/s/ Lara A. Mason, Attorney-in-Fact
Issuer symbol
LYB
Transactions as of
22 Feb 2026
Net transactions value
-$120,410
Form type
4
Filing time
24 Feb 2026, 16:31:02 UTC
Previous filing
20 Feb 2026
Next filing
03 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Kaplan Jeffrey A EVP and General Counsel 4TH FLOOR, ONE VINE STREET, LONDON, UNITED KINGDOM /s/ Lara A. Mason, Attorney-in-Fact 24 Feb 2026 0001634184

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction LYB Class A Ordinary Shares Tax liability $44,429 -784 -0.88% $56.67 87,812 22 Feb 2026 Direct F1, F2
transaction LYB Class A Ordinary Shares Tax liability $75,981 -1,341 -1.5% $56.66 86,471 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 3,218 shares. 784 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.
F2 Includes 21,033 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 5,504 granted on February 23, 2023 that vest on February 23, 2026; 3,218 granted on February 22, 2024 that vest on February 22, 2027; 4,105 granted on February 27, 2025 that vest on February 27, 2026; 4,103 granted on February 27, 2025 that vest on February 27, 2027 and 4,103 granted on February 27, 2025 that vest on February 27, 2028.
F3 On February 23, 2026 the reporting person's restricted stock units automatically vested 5,504 shares. 1,341 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.
F4 Includes 15,529 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 3,218 granted on February 22, 2024 that vest on February 22, 2027; 4,105 granted on February 27, 2025 that vest on February 27, 2026; 4,103 granted on February 27, 2025 that vest on February 27, 2027 and 4,103 granted on February 27, 2025 that vest on February 27, 2028.