Aaron J. Ledet - 27 Feb 2026 Form 4 Insider Report for LyondellBasell Industries N.V. (LYB)

Role
EVP, I&D & Supply Chain
Signature
/s/ Lara A. Mason, Attorney-in-Fact
Issuer symbol
LYB
Transactions as of
27 Feb 2026
Net transactions value
-$35,030
Form type
4
Filing time
03 Mar 2026, 16:37:50 UTC
Previous filing
24 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Ledet Aaron J EVP, I&D & Supply Chain 4TH FLOOR, ONE VINE STREET, LONDON, UNITED KINGDOM /s/ Lara A. Mason, Attorney-in-Fact 03 Mar 2026 0002012815

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction LYB Class A Ordinary Shares Tax liability $35,030 -609 -4% $57.52 14,467 27 Feb 2026 Direct F1, F2
transaction LYB Class A Ordinary Shares Award $0 +17,247 +119% $0.000000 31,714 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 2,497 shares. 609 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.
F2 Includes 6,226 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 1,232 granted on February 22, 2024 that vest on February 22, 2027; 2,497 granted on February 27, 2025 that vest on February 26, 2027 and 2,497 granted on February 27, 2025 that vest on February 26, 2028.
F3 Includes 23,473 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 1,232 granted on February 22, 2024 that vest on February 22, 2027; 2,497 granted on February 27, 2025 that vest on February 26, 2027 and 2,497 granted on February 27, 2025 that vest on February 26, 2028. The 17,247 RSUs reported on this Form 4 vest as follows: 5,749 vest on February 28, 2027, 5,749 vest on February 28, 2028 and 5,749 vest on February 28, 2029.