LyondellBasell (LYB) EVP reports RSU-related tax share dispositions

Rhea-AI Filing Summary

LyondellBasell Industries EVP Torkel Rhenman reported tax-related share dispositions tied to vesting stock awards. On February 22, 2026, 846 Class A shares at about $56.67 per share and on February 23, 2026, 1,549 shares at about $56.66 per share were withheld by the company to cover tax obligations. After these transactions, he directly owned 95,480 Class A shares, along with additional restricted stock units scheduled to vest over future dates under the 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^*

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)
02/22/2026

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	02/22/2026		F		846(1)	D	$56.67	97,029(2)	D
Class A Ordinary Shares	02/23/2026		F		1,549(3)	D	$56.66	95,480(4)	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 22, 2026 the reporting person's restricted stock units automatically vested 3,473 shares. 846 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.

2. Includes 22,928 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 6,361 granted on February 23, 2023 that vest on February 23, 2026; 3,473 granted on February 22, 2024 that vest on February 22, 2027; 4,366 granted on February 27, 2025 that vest on February 27, 2026; 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. On February 23, 2026 the reporting person's restricted stock units automatically vested 6,361 shares. 1,549 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.

4. Includes 16,567 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; 4,366 granted on February 27, 2025 that vest on February 27, 2026; 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.

Remarks:

	/s/ Lara A. Mason, Attorney-in-Fact	02/24/2026
	** 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).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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FAQ

What insider transactions did LYB executive Torkel Rhenman report in this Form 4 filing?

Torkel Rhenman reported two tax-withholding dispositions of Class A Ordinary Shares. Shares were withheld by LyondellBasell to cover tax liabilities arising from automatic vesting of restricted stock units on February 22 and 23, 2026, rather than open-market sales.

How many LyondellBasell (LYB) shares were disposed of for taxes in the latest Form 4?

The Form 4 shows 846 shares and 1,549 shares of LyondellBasell Class A Ordinary Shares were withheld. These were tax-withholding dispositions related to vesting restricted stock units, not discretionary market transactions by the executive.

What prices were used for the LYB tax-withholding share dispositions reported by Rhenman?

The dispositions used prices of about $56.67 and $56.66 per LYB Class A share. These prices are used to value the shares withheld by the issuer to satisfy tax obligations associated with automatic vesting of restricted stock units.

How many LyondellBasell (LYB) shares does Torkel Rhenman own after these Form 4 transactions?

After the reported transactions, Torkel Rhenman directly owned 95,480 Class A Ordinary Shares of LyondellBasell. This figure reflects ownership following the tax-withholding dispositions tied to his restricted stock unit vesting events in February 2026.

What do the restricted stock unit (RSU) footnotes in the LYB Form 4 indicate?

The footnotes explain that certain restricted stock units automatically vested, creating share deliveries and tax obligations. They also detail remaining RSU grants, including amounts and future vesting dates under LyondellBasell’s long-term incentive plan, clarifying that additional shares may be delivered as vesting occurs.