LyondellBasell (LYB) CEO has shares withheld for RSU taxes

Q: How many LyondellBasell (LYB) shares were withheld for CEO tax obligations?

A total of 17,165 Class A Ordinary Shares were withheld. This included 6,063 shares at $56.67 on February 22, 2026 and 11,102 shares at $56.66 on February 23, 2026, all to satisfy issuer tax withholding obligations.

Q: Did the LyondellBasell (LYB) CEO sell shares on the open market in this filing?

No, the transactions are coded F , indicating tax-withholding dispositions. Shares were withheld by the issuer to satisfy tax obligations arising from restricted stock unit vesting, rather than discretionary open-market sales initiated by CEO Peter Vanacker.

Filing Impact

(Very High)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

LyondellBasell Industries N.V. reported that Chief Executive Officer Peter Vanacker had restricted stock units vest on February 22 and 23, 2026, and the company withheld shares to cover tax obligations. On February 22, 6,063 Class A Ordinary Shares were withheld at $56.67 per share. On February 23, a further 11,102 shares were withheld at $56.66 per share. After the February 23 tax-withholding disposition, Vanacker directly held 157,511 Class A Ordinary Shares and continued to hold unvested restricted stock units scheduled to vest between 2026 and 2028.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Vanacker Peter Z. E.

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Tax Withholding	Class A Ordinary Shares	11,102	$56.66	$629K
Tax Withholding	Class A Ordinary Shares	6,063	$56.67	$344K

Holdings After Transaction: Class A Ordinary Shares — 157,511 shares (Direct)

Footnotes (1)

On February 22, 2026 the reporting person's restricted stock units automatically vested 15,406 shares. 6,063 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations. Includes 100,835 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 28,211 granted on February 23, 2023 that vest on February 23, 2026; 15,406 granted on February 22, 2024 that vest on February 22, 2027; 19,074 granted on February 27, 2025 that vest on February 27, 2026; 19,072 granted on February 27, 2025 that vest on February 27, 2027 and 19,072 granted on February 27, 2025 vest on February 27, 2028. On February 23, 2026 the reporting person's restricted stock units automatically vested 28,211 shares. 11,102 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations. Includes 72,624 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 15,406 granted on February 22, 2024 that vest on February 22, 2027; 19,074 granted on February 27, 2025 that vest on February 27, 2026; 19,072 granted on February 27, 2025 that vest on February 27, 2027 and 19,072 granted on February 27, 2025 vest on February 27, 2028.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 02/24/2026 - 04:32 PM

FAQ

What insider transactions did LyondellBasell (LYB) report for CEO Peter Vanacker?

LyondellBasell reported that CEO Peter Vanacker had shares withheld to cover taxes on restricted stock unit vesting. On February 22 and 23, 2026, a total of 17,165 Class A Ordinary Shares were disposed of via tax-withholding transactions, not open-market sales.

How many LyondellBasell (LYB) shares were withheld for CEO tax obligations?

A total of 17,165 Class A Ordinary Shares were withheld. This included 6,063 shares at $56.67 on February 22, 2026 and 11,102 shares at $56.66 on February 23, 2026, all to satisfy issuer tax withholding obligations.

Did the LyondellBasell (LYB) CEO sell shares on the open market in this filing?

No, the transactions are coded F, indicating tax-withholding dispositions. Shares were withheld by the issuer to satisfy tax obligations arising from restricted stock unit vesting, rather than discretionary open-market sales initiated by CEO Peter Vanacker.

How many LyondellBasell (LYB) shares does the CEO hold after these transactions?

After the February 23, 2026 tax-withholding disposition, CEO Peter Vanacker directly held 157,511 Class A Ordinary Shares. In addition, he holds unvested restricted stock units scheduled to vest between 2026 and 2028 under LyondellBasell’s long-term incentive plan.

What restricted stock units are outstanding for the LyondellBasell (LYB) CEO?

Following the February 23, 2026 vesting, the CEO’s holdings include 72,624 restricted stock units. These RSUs are scheduled to vest on February 22, 2027 and on February 27 in 2026, 2027, and 2028 under the company’s 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

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^*

Vanacker Peter Z. E.

(Last)

(First)

(Middle)

4TH FLOOR

ONE VINE STREET

(Street)

LONDON

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)

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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Ordinary Shares	02/22/2026		F		6,063⁽¹⁾	D	$56.67	168,613⁽²⁾	D
Class A Ordinary Shares	02/23/2026		F		11,102⁽³⁾	D	$56.66	157,511⁽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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. On February 22, 2026 the reporting person's restricted stock units automatically vested 15,406 shares. 6,063 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.

2. Includes 100,835 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 28,211 granted on February 23, 2023 that vest on February 23, 2026; 15,406 granted on February 22, 2024 that vest on February 22, 2027; 19,074 granted on February 27, 2025 that vest on February 27, 2026; 19,072 granted on February 27, 2025 that vest on February 27, 2027 and 19,072 granted on February 27, 2025 vest on February 27, 2028.

3. On February 23, 2026 the reporting person's restricted stock units automatically vested 28,211 shares. 11,102 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.

4. Includes 72,624 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 15,406 granted on February 22, 2024 that vest on February 22, 2027; 19,074 granted on February 27, 2025 that vest on February 27, 2026; 19,072 granted on February 27, 2025 that vest on February 27, 2027 and 19,072 granted on February 27, 2025 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.

Source: View Original Filing on SEC EDGAR