Kimberly A. Foley - 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
-$123,300
Form type
4
Filing time
24 Feb 2026, 16:29:18 UTC
Previous filing
20 Feb 2026
Next filing
03 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Foley Kimberly A EVP, Global O&P and Refining 4TH FLOOR, ONE VINE STREET, LONDON, UNITED KINGDOM /s/ Lara A. Mason, Attorney-in-Fact 24 Feb 2026 0001791947

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction LYB Class A Ordinary Shares Tax liability $46,469 -820 -1.2% $56.67 69,682 22 Feb 2026 Direct F1, F2
transaction LYB Class A Ordinary Shares Tax liability $76,831 -1,356 -1.9% $56.66 68,326 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 3,365 shares. 820 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.
F2 Includes 22,315 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 5,566 granted on February 23, 2023 that vest on February 23, 2026; 10,095 granted on February 22, 2024 of which 3,365 vested on February 22, 2025, 3,365 vest on February 22, 2027 and 13,384 granted on February 27, 2025 of which 4,462 vest on February 27, 2026, 4,461 vest on February 27, 2027 and 4,461 vest on February 27, 2028.
F3 On February 23, 2026 the reporting person's restricted stock units automatically vested 5,566 shares. 1,356 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.
F4 Includes 16,749 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 10,095 granted on February 22, 2024 of which 3,365 vested on February 22, 2025, 3,365 vest on February 22, 2027 and 13,384 granted on February 27, 2025 of which 4,462 vest on February 27, 2026, 4,461 vest on February 27, 2027 and 4,461 vest on February 27, 2028.