LyondellBasell (LYB) EVP has 340 shares withheld for RSU tax obligations

Rhea-AI Filing Summary

LyondellBasell Industries N.V. executive Tracey D. Campbell reported a Form 4 showing a tax-related share disposition. On February 23, 2026, 340 Class A ordinary shares were withheld by the company at $56.66 per share to cover tax obligations when 1,155 restricted stock units vested. After this withholding, Campbell directly owned 13,326.36 shares. The filing also notes an indirect holding of 5,359.09 shares owned by the executive’s spouse, along with 5,272 unvested restricted stock units scheduled to vest in tranches between 2026 and 2028.

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^*

Campbell Tracey D

(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, Sustainability & Corp Aff

3. Date of Earliest Transaction (Month/Day/Year)
02/23/2026

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	02/23/2026		F		340(1)	D	$56.66	13,326.36(2)	D
Class A Ordinary Shares								5,359.09	I	By Spouse

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 23, 2026 the reporting person's restricted stock units automatically vested 1,155 shares. 340 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.

2. Includes 5,272 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 2,205 granted on February 22, 2024 of which 735 were deferred on February 22, 2025, 735 were deferred on February 22, 2026; 735 vest on February 22, 2027 and 3,067 granted on February 27, 2025 of which 1,023 vest on February 27, 2026, 1,022 vest on February 27, 2027 and 1,022 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did LyondellBasell (LYB) report for Tracey D. Campbell?

LyondellBasell reported that executive Tracey D. Campbell had 340 Class A shares withheld to cover tax obligations tied to restricted stock vesting. This was a tax-withholding disposition, not an open-market sale, following the vesting of 1,155 restricted stock units.

At what price were the 340 LYB shares withheld for taxes on February 23, 2026?

The 340 withheld LyondellBasell Class A shares were valued at $56.66 per share. This withholding satisfied the issuer’s tax obligations that arose when 1,155 restricted stock units vested for executive Tracey D. Campbell on February 23, 2026.

How many LYB shares does Tracey D. Campbell own directly after this Form 4 transaction?

After the tax-withholding disposition, Tracey D. Campbell directly owns 13,326.36 LyondellBasell Class A ordinary shares. This figure reflects shares remaining after 340 shares were withheld by the issuer to cover tax obligations arising from restricted stock unit vesting.

What indirect LYB share holdings are reported for Tracey D. Campbell’s spouse?

The Form 4 reports an indirect holding of 5,359.09 LyondellBasell Class A shares owned by Campbell’s spouse. This position is classified as indirect beneficial ownership, labeled “By Spouse,” and is separate from Campbell’s directly held shares reported in the filing.

How many unvested restricted stock units does Tracey D. Campbell have with LyondellBasell (LYB)?

The filing notes 5,272 unvested restricted stock units granted under LyondellBasell’s long-term incentive plan. These RSUs were granted in 2024 and 2025 and are scheduled to vest in multiple tranches between February 2026 and February 2028, subject to their respective terms.

Was the LYB insider Form 4 transaction an open-market sale by Tracey D. Campbell?

No, the Form 4 describes a tax-withholding disposition, not an open-market sale. The issuer withheld 340 shares to satisfy tax obligations when restricted stock units vested, a common administrative mechanism rather than a discretionary sale into the market.