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  4. [Form 4] LyondellBasell Industries N.V. Insider Trading Activity

LYB insider reports $46.76 tax withholding; holds 62,026.547 shares

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

Rhea-AI Filing Summary

LyondellBasell (LYB) executive EVP, Global O&P and Refining filed a Form 4 reporting routine equity compensation activity. On October 15, 2025, 881 Class A Ordinary Shares vested from restricted stock units, and 347 shares were withheld by the issuer to cover tax obligations at a price of $46.76 per share (Code F).

Following these transactions, the reporting person beneficially owns 62,026.547 shares directly. This total includes 25,680 RSUs granted under the long‑term incentive plan with scheduled vesting: 5,566 on February 23, 2026; from a separate grant of 10,095, 3,365 vested on February 22, 2025 with 3,365 vesting on February 22, 2026 and 3,365 on February 22, 2027; and another grant of 13,384 with 4,462 vesting on February 27, 2026, 4,461 on February 27, 2027, and 4,461 on February 27, 2028.

Positive

  • None.

Negative

  • None.
Insider Foley Kimberly A
Role EVP, Global O&P and Refining
Type Security Shares Price Value
Tax Withholding Class A Ordinary Shares 347 $46.76 $16K
Holdings After Transaction: Class A Ordinary Shares — 62,026.547 shares (Direct)
Footnotes (1)
  1. On October 15, 2025 the reporting person's restricted stock units automatically vested 881 shares. 347 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations. Includes 25,680 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 5,566 granted on February 23, 2023 that vest on February 23, 2026; 10,095 granted on February 22, 2024 of which 3,365 vested on February 22, 2025, 3,365 vest on February 22, 2026; 3,365 vest on February 22, 2027 and 13,384 granted on February 27, 2025 of which 4,462 vest on February 27, 2026, 4,461 vest on February 27, 2027 and 4,461 vest on February 27, 2028.
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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*
Foley Kimberly A
(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, Global O&P and Refining
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 347(1) D $46.76 62,026.547(2) 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 October 15, 2025 the reporting person's restricted stock units automatically vested 881 shares. 347 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.
2. Includes 25,680 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 5,566 granted on February 23, 2023 that vest on February 23, 2026; 10,095 granted on February 22, 2024 of which 3,365 vested on February 22, 2025, 3,365 vest on February 22, 2026; 3,365 vest on February 22, 2027 and 13,384 granted on February 27, 2025 of which 4,462 vest on February 27, 2026, 4,461 vest on February 27, 2027 and 4,461 vest on February 27, 2028.
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 executive reported the vesting of 881 Class A Ordinary Shares from RSUs and the withholding of 347 shares for taxes at $46.76 per share.

Who is the reporting person and their role at LYB?

The reporting person is an Officer, serving as EVP, Global O&P and Refining.

How many shares does the insider beneficially own after the transactions?

Beneficial ownership is 62,026.547 shares directly following the reported transactions.

How many RSUs are included and what are the key vesting dates?

It includes 25,680 RSUs, with scheduled vesting on Feb 23, 2026; Feb 22, 2026; Feb 22, 2027; Feb 27, 2026; Feb 27, 2027; and Feb 27, 2028.

What was the transaction code and what does it indicate?

The code was F, indicating shares were withheld by the issuer to satisfy tax withholding obligations upon vesting.

Were any derivative securities transactions reported?

No derivative security acquisitions or dispositions were listed in Table II for this filing.

Is the ownership direct or indirect?

The reported ownership is Direct (D).