Matthew D. Hayes - 27 Feb 2026 Form 4 Insider Report for LyondellBasell Industries N.V. (LYB)

Role
SVP & CAO
Signature
/s/ Lara A. Mason, Attorney-in-Fact
Issuer symbol
LYB
Transactions as of
27 Feb 2026
Net transactions value
-$5,292
Form type
4
Filing time
03 Mar 2026, 16:38:51 UTC
Previous filing
24 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Hayes Matthew D SVP & CAO 4TH FLOOR, ONE VINE STREET, LONDON, UNITED KINGDOM /s/ Lara A. Mason, Attorney-in-Fact 03 Mar 2026 0002062500

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction LYB Class A Ordinary Shares Tax liability $5,292 -92 -1.9% $57.52 4,836 27 Feb 2026 Direct F1, F2
transaction LYB Class A Ordinary Shares Award $0 +4,032 +83% $0.000000 8,868 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 307 shares. 92 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.
F2 Includes 1,959 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 237 granted on February 22, 2024 that vest on February 22, 2027; 623 granted on October 15, 2024 that vest on October 15, 2026; 305 granted on February 27, 2025 that vest on February 27, 2027; 305 granted on February 27, 2025 that vest on February 27, 2028 and 489 granted on April 15, 2025 of which 163 vest on April 15, 2026, 163 vest on April 15, 2027 and 163 vest on April 15, 2028.
F3 Includes 5,991 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 237 granted on February 22, 2024 that vest on February 22, 2027; 623 granted on October 15, 2024 that vest on October 15, 2026; 305 granted on February 27, 2025 that vest on February 27, 2027; 305 granted on February 27, 2025 that vest on February 27, 2028 and 489 granted on April 15, 2025 of which 163 vest on April 15, 2026, 163 vest on April 15, 2027 and 163 vest on April 15, 2028. The 4,032 RSUs reported on this Form 4 vest as follows: 1,344 vest on February 28, 2027, 1,344 vest on February 28, 2028 and 1,344 vest on February 28, 2029.