LyondellBasell EVP has shares withheld for taxes

LyondellBasell Industries N.V. executive vice president Aaron J. Ledet reported two tax-related share dispositions tied to restricted stock unit (RSU) vesting.

Rhea-AI Filing Summary

LyondellBasell Industries N.V. executive vice president Aaron J. Ledet reported two tax-related share dispositions tied to restricted stock unit (RSU) vesting. On February 22 and 23, 2026, a total of 687 Class A ordinary shares were withheld by the issuer at prices around $56.66–$56.67 per share to cover tax obligations when 1,232 and 1,453 RSU shares vested, respectively. After these automatic tax-withholding dispositions, Ledet directly held about 15,076 shares, along with thousands of unvested RSUs scheduled to vest between 2026 and 2028 under the company’s long-term incentive plan.

Insider Trade Summary

Exercise Price or Tax Liability: 687 shares

Exercise Price or Tax Liability 2 txns

Insider Ledet Aaron J

Role EVP, I&D & Supply Chain

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Class A Ordinary Shares	354	$56.66	$20K
Exercise Price or Tax Liability	Class A Ordinary Shares	333	$56.67	$19K

Holdings After Transaction: Class A Ordinary Shares — 15,075.5326 shares (Direct)

Footnotes (4)

1. F1. On February 22, 2026 the reporting person's restricted stock units automatically vested 1,232 shares. 333 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.
2. F2. Includes 10,176 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 1,453 granted on February 23, 2023 that vest on February 23, 2026; 1,232 granted on February 22, 2024 that vest on February 22, 2027; 2,497 granted on February 27, 2025 that vest on February 27, 2026; 2,497 granted on February 27, 2025 that vest on February 26, 2027 and 2,497 granted on February 27, 2025 that vest on February 26, 2028.
3. F3. On February 23, 2026 the reporting person's restricted stock units automatically vested 1,453 shares. 354 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.
4. F4. Includes 8,723 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 1,232 granted on February 22, 2024 that vest on February 22, 2027; 2,497 granted on February 27, 2025 that vest on February 27, 2026; 2,497 granted on February 27, 2025 that vest on February 26, 2027 and 2,497 granted on February 27, 2025 that vest on February 26, 2028.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did LyondellBasell (LYB) EVP Aaron Ledet report in this Form 4?

Aaron J. Ledet reported automatic tax-withholding dispositions of company shares. These occurred when his restricted stock units vested, and shares were withheld by LyondellBasell to satisfy tax obligations, rather than being sold in open-market transactions.

How many LyondellBasell (LYB) shares were disposed of for taxes in this filing?

A total of 687 Class A ordinary shares were disposed of for tax withholding. This reflects 333 shares on February 22, 2026 and 354 shares on February 23, 2026, all withheld by the issuer to cover associated tax liabilities.

Were these LyondellBasell (LYB) transactions open-market sales by the EVP?

No, these transactions were not open-market sales. They were coded as “F” transactions, meaning shares were withheld by the company to pay tax liabilities when restricted stock units vested, a common administrative mechanism in equity compensation programs.

What RSU vesting events triggered the share withholdings at LyondellBasell (LYB)?

Two RSU vesting events triggered the withholdings. On February 22, 2026, 1,232 RSU shares vested, and on February 23, 2026, 1,453 RSU shares vested. In each case, a portion of the vested shares was withheld to satisfy tax obligations.

How many LyondellBasell (LYB) shares did Aaron Ledet hold after these transactions?

After the February 23, 2026 tax-withholding disposition, Aaron J. Ledet directly held about 15,075.5326 Class A ordinary shares. This balance reflects his holdings after the issuer withheld shares to cover tax obligations linked to RSU vesting.

What ongoing equity awards does the LyondellBasell (LYB) EVP have after this Form 4?

After these transactions, Aaron J. Ledet continued to hold several tranches of restricted stock units. Footnotes indicate thousands of RSUs granted under LyondellBasell’s long-term incentive plan, with vesting dates scheduled across 2026, 2027, and 2028.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/24/2026 - 04:31 PM Learn about SEC filing dates

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^*

Ledet Aaron J

(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, I&D & Supply Chain

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		333(1)	D	$56.67	15,429.5326(2)	D
Class A Ordinary Shares	02/23/2026		F		354(3)	D	$56.66	15,075.5326(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 1,232 shares. 333 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.

2. Includes 10,176 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 1,453 granted on February 23, 2023 that vest on February 23, 2026; 1,232 granted on February 22, 2024 that vest on February 22, 2027; 2,497 granted on February 27, 2025 that vest on February 27, 2026; 2,497 granted on February 27, 2025 that vest on February 26, 2027 and 2,497 granted on February 27, 2025 that vest on February 26, 2028.

3. On February 23, 2026 the reporting person's restricted stock units automatically vested 1,453 shares. 354 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.

4. Includes 8,723 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 1,232 granted on February 22, 2024 that vest on February 22, 2027; 2,497 granted on February 27, 2025 that vest on February 27, 2026; 2,497 granted on February 27, 2025 that vest on February 26, 2027 and 2,497 granted on February 27, 2025 that vest on February 26, 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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