LyondellBasell director granted 2,321 RSUs

LyondellBasell Industries N.V. director Bridget E. Karlin reported routine equity compensation activity involving Class A Ordinary Shares.

Accepted by SEC EDGAR 05/26/2026 - 04:05 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

LyondellBasell Industries N.V. director Bridget E. Karlin reported routine equity compensation activity involving Class A Ordinary Shares. On May 21, 2026, she acquired 2,321 shares at $0.00 per share as a grant under the company’s long-term incentive plan, increasing her holdings to 7,226 shares.

On May 22, 2026, 2,917 restricted stock units (RSUs) vested automatically and the issuer withheld 521 shares at $69.72 per share to cover tax withholding obligations, reducing her directly held shares to 6,705. Footnotes state her holdings include 5,238 RSUs, with 2,917 that vested on May 22, 2026 and the 2,321 RSUs reported here vesting on May 21, 2027.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Karlin Bridget E

Role Director

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Class A Ordinary Shares	521	$69.72	$36K
Grant/Award	Class A Ordinary Shares	2,321	$0.00	$0.00

Holdings After Transaction: Class A Ordinary Shares — 6,705 shares (Direct)

Footnotes (3)

1. F1. Includes 5,238 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan, including 2,917 that vest on May 22, 2026. The 2,321 RSUs reported on this Form 4 vest on May 21, 2027.
2. F2. On May 22, 2026 the reporting person's restricted stock units automatically vested 2,917 shares. 521 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.
3. F3. Includes 2,321 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan that vest on May 21, 2027.

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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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Karlin Bridget E

(Last) (First) (Middle)

4TH FLOOR

ONE VINE STREET

(Street)

LONDON W1J 0AH

(City) (State) (Zip)

UNITED KINGDOM

(Country)

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

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

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/21/2026

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

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

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

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	05/21/2026		A		2,321	A	$0.00	7,226(1)	D
Class A Ordinary Shares	05/22/2026		F		521(2)	D	$69.72	6,705(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. Includes 5,238 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan, including 2,917 that vest on May 22, 2026. The 2,321 RSUs reported on this Form 4 vest on May 21, 2027.

2. On May 22, 2026 the reporting person's restricted stock units automatically vested 2,917 shares. 521 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.

3. Includes 2,321 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan that vest on May 21, 2027.

Remarks:

	/s/ Lara A. Mason, Attorney-in-Fact	05/26/2026
	** 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.
* Form 4: SEC 1474 (03-26)