LyondellBasell (NYSE: LYB) EVP gets stock grant as shares withheld for taxes

Rhea-AI Filing Summary

LyondellBasell Industries EVP Kimberly A. Foley reported mixed equity transactions linked to company stock compensation. On February 28, 2026, she received a grant of 23,052 Class A share-based awards at no cost, tied to future vesting dates through February 2029. On February 27, 2026, 4,462 restricted stock units vested, and 1,087 shares were withheld by the issuer at $57.52 per share to cover tax obligations. Following these transactions, her directly held Class A shares and restricted stock units increased under the company’s long-term incentive plan.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Foley Kimberly A

(Last) (First) (Middle)

4TH FLOOR

ONE VINE STREET

(Street)

LONDON X0 W1J 0AH

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
LyondellBasell Industries N.V. [ LYB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, Global O&P and Refining

3. Date of Earliest Transaction (Month/Day/Year)
02/27/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Ordinary Shares	02/27/2026		F		1,087(1)	D	$57.52	67,238.547(2)	D
Class A Ordinary Shares	02/28/2026		A		23,052	A	$0.00	90,290.547(3)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. On February 27, 2026 the reporting person's restricted stock units automatically vested 4,462 shares. 1,087 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.

2. Includes 12,287 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 3,365 granted on February 22, 2024 that vest on February 22, 2027; 4,461 granted on February 27, 2025 that vest on February 27, 2027 and 4,461 granted on February 27, 2025 that vest on February 27, 2028.

3. Includes 35,339 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 3,365 granted on February 22, 2024 that vest on February 22, 2027; 4,461 granted on February 27, 2025 that vest on February 27, 2027 and 4,461 granted on February 27, 2025 that vest on February 27, 2028. The 23,052 RSUs reported on this Form 4 vest as follows: 7,684 vest on February 28, 2027, 7,684 vest on February 28, 2028 and 7,684 vest on February 28, 2029.

Remarks:

	/s/ Lara A. Mason, Attorney-in-Fact	03/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What did LYB executive Kimberly A. Foley report in this Form 4?

Kimberly A. Foley reported a new stock-based award and a tax-related share withholding. She received 23,052 Class A share-based awards and had 1,087 shares withheld to satisfy tax obligations on vested restricted stock units.

How many LyondellBasell shares were granted to Kimberly A. Foley?

She received 23,052 Class A share-based awards at a price of $0.00 per share. These are part of LyondellBasell’s long-term incentive plan and are scheduled to vest in equal installments across 2027, 2028, and 2029.

Why were 1,087 LYB shares withheld from Kimberly A. Foley?

LyondellBasell withheld 1,087 shares to cover tax withholding obligations when restricted stock units vested. On February 27, 2026, 4,462 restricted stock units automatically vested, and the issuer used these withheld shares to satisfy associated tax liabilities.

When do Kimberly A. Foley’s new LYB restricted stock units vest?

The 23,052 restricted stock units vest in three equal tranches of 7,684 units. They are scheduled to vest on February 28, 2027, February 28, 2028, and February 28, 2029 under LyondellBasell’s long-term incentive plan.

How many LYB restricted stock units does Kimberly A. Foley now hold?

She is reported to hold 35,339 restricted stock units under LyondellBasell’s long-term incentive plan. These include prior grants from February 2024 and February 2025, plus the 23,052 new restricted stock units awarded on February 28, 2026.

What is Kimberly A. Foley’s role at LyondellBasell Industries (LYB)?

Kimberly A. Foley serves as Executive Vice President, Global O&P and Refining at LyondellBasell. The reported stock-based transactions relate to her compensation under the company’s long-term incentive plan for senior leadership.