LyondellBasell (NYSE: LYB) EVP granted 22,552 shares, with 1,196 withheld for taxes

Rhea-AI Filing Summary

LyondellBasell Industries N.V. executive Torkel Rhenman, EVP, Advanced Polymer Solutions, reported equity compensation and related tax withholding transactions in Class A Ordinary Shares. On February 28, 2026, he acquired 22,552 shares at $0.00 per share through a grant/award, bringing his direct holdings to 116,836 shares.

On February 27, 2026, 4,366 restricted stock units vested, and 1,196 shares were disposed of at $57.52 per share, withheld by the issuer to satisfy tax obligations. Footnotes state his holdings include multiple tranches of restricted stock units granted under the long-term incentive plan, with portions scheduled to vest between February 2027 and February 2029, including 7,518 units vesting on February 28, 2027, and 7,517 units vesting on each of February 28, 2028 and 2029.

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^*

Rhenman Torkel

(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, Adv Polymer Solutions

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		1,196(1)	D	$57.52	94,284(2)	D
Class A Ordinary Shares	02/28/2026		A		22,552	A	$0.00	116,836(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 4,366 shares. 1,196 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.

2. Includes 12,201 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 3,473 granted on February 22, 2024 that vest on February 22, 2027; 4,364 granted on February 27, 2025 that vest on February 27, 2027 and 4,364 granted on February 27, 2025 that vest on February 27, 2028.

3. Includes 34,753 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 3,473 granted on February 22, 2024 that vest on February 22, 2027; 4,364 granted on February 27, 2025 that vest on February 27, 2027 and 4,364 granted on February 27, 2025 that vest on February 27, 2028. The 22,552 RSUs reported on this Form 4 vest as follows: 7,518 vest on February 28, 2027, 7,517 vest on February 28, 2028 and 7,517 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.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
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FAQ

What did LYB executive Torkel Rhenman report on this Form 4?

Torkel Rhenman reported a stock award and a related tax withholding transaction in LyondellBasell Class A Ordinary Shares. He received 22,552 shares as a grant and had 1,196 shares withheld to cover tax obligations tied to vesting restricted stock units.

How many LyondellBasell (LYB) shares did Torkel Rhenman acquire?

He acquired 22,552 Class A Ordinary Shares on February 28, 2026 through a grant/award at a reported price of $0.00 per share. This equity award increased his directly held stake to 116,836 shares following the transaction.

Why were 1,196 LYB shares disposed of in Torkel Rhenmans Form 4?

The 1,196 shares were withheld by LyondellBasell at $57.52 per share to satisfy tax withholding obligations when 4,366 restricted stock units vested on February 27, 2026. This is a tax-withholding disposition, not an open-market sale.

How many LyondellBasell (LYB) shares does Torkel Rhenman own after these transactions?

After the February 28, 2026 stock award, he directly holds 116,836 Class A Ordinary Shares. This figure reflects his updated direct ownership following the grant and the prior days tax-withholding share disposition.

What restricted stock units (RSUs) are included in Torkel Rhenmans LYB holdings?

His position includes multiple RSU grants under LyondellBasells long-term incentive plan. Footnotes describe tranches granted in 2024 and 2025, plus 22,552 RSUs vesting in stages: 7,518 on February 28, 2027 and 7,517 on each of February 28, 2028 and 2029.

Is the Form 4 for LYB a stock purchase or compensation event for Torkel Rhenman?

The Form 4 reflects compensation-related equity activity, not an open-market purchase. It shows a grant of 22,552 shares at no cost to him and a tax-withholding disposition of 1,196 shares tied to vesting RSUs.