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LYB insider update: RSU vesting and tax share withholding

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

LyondellBasell Industries (LYB) insider transaction: An executive officer (EVP, Sustainability & Corp Aff) reported the vesting of restricted stock units on October 15, 2025. 176 Class A shares vested, and 43 shares were withheld by the issuer to cover taxes at a reported price of $46.76 under code F. Following the transactions, the reporting person beneficially owns 13,114.36 shares directly and 5,401 shares indirectly through a spouse. The footnotes state these holdings include RSUs under the long‑term incentive plan and prior ESPP purchases.

Positive

  • None.

Negative

  • None.
Insider Campbell Tracey D
Role EVP, Sustainability & Corp Aff
Type Security Shares Price Value
Tax Withholding Class A Ordinary Shares 43 $46.76 $2K
holding Class A Ordinary Shares -- -- --
Holdings After Transaction: Class A Ordinary Shares — 13,114.36 shares (Direct); Class A Ordinary Shares — 5,401 shares (Indirect, By Spouse)
Footnotes (1)
  1. On October 15, 2025 the reporting person's restricted stock units automatically vested 176 shares. 43 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations. Includes 6,427 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 1,155 granted on February 23, 2023 that vest on February 23, 2026; 2,205 granted on February 22, 2024 of which 735 were deferred on February 22, 2025, 735 vest 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. ESPP purchase of 173.732955 shares for $63.36 per share were allocated on March 31, 2025. ESPP purchase of 76.665514 shares for $52.07 per share were allocated on June 30, 2025.
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Form 4 Insider Transactions: What Each Field Means →
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*
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)
10/15/2025
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 10/15/2025 F 43(1) D $46.76 13,114.36(2)(3)(4) D
Class A Ordinary Shares 5,401 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 October 15, 2025 the reporting person's restricted stock units automatically vested 176 shares. 43 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.
2. Includes 6,427 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 1,155 granted on February 23, 2023 that vest on February 23, 2026; 2,205 granted on February 22, 2024 of which 735 were deferred on February 22, 2025, 735 vest 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.
3. ESPP purchase of 173.732955 shares for $63.36 per share were allocated on March 31, 2025.
4. ESPP purchase of 76.665514 shares for $52.07 per share were allocated on June 30, 2025.
Remarks:
/s/ Lara A. Mason, Attorney-in-Fact 10/17/2025
** 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

FAQ

What did LYB report in this Form 4?

An officer reported 176 Class A shares vested from RSUs on October 15, 2025, with 43 shares withheld to satisfy tax obligations at $46.76.

How many LYB shares does the insider now hold?

The filing shows 13,114.36 shares held directly and 5,401 shares held indirectly by a spouse.

What is the transaction code and what does it mean?

The code is F, indicating shares were withheld by the issuer to cover taxes due on a stock award vesting.

Were there prior purchases included in the totals?

Yes. Footnotes include ESPP allocations of 173.732955 shares at $63.36 on March 31, 2025 and 76.665514 shares at $52.07 on June 30, 2025.

What future RSU vesting schedules are referenced?

Footnotes list RSUs granted on Feb 23, 2023 (vesting Feb 23, 2026), Feb 22, 2024 (parts vest 2026–2027), and Feb 27, 2025 (vesting 2026–2028).

What is the insider’s role at LYB?

The reporting person is an Officer, titled EVP, Sustainability & Corp Aff.