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

LYB insider: RSU vesting with 84-share tax withholding reported

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

Rhea-AI Filing Summary

LyondellBasell Industries (LYB) reported an insider transaction by its EVP & Chief Innovation Officer. On 10/15/2025, 168 restricted stock units vested, and 84 Class A shares were withheld by the issuer to cover taxes (Transaction Code F) at a price of $46.76 per share. Following the transaction, the reporting person beneficially owned 35,803 shares directly.

The filing also lists 12,329 RSUs outstanding as of the report: 2,639 granted on 02/23/2023 vest on 02/23/2026; 5,088 granted on 02/22/2024 with 1,696 vested on 02/22/2025 and 1,696 vesting on 02/22/2026 and 02/22/2027; 6,298 granted on 02/27/2025 with 2,100 vesting on 02/27/2026, 2,099 on 02/27/2027, and 2,099 on 02/27/2028.

Positive

  • None.

Negative

  • None.
Insider Seward James Malcolm
Role EVP & Chief Innovation Officer
Type Security Shares Price Value
Tax Withholding Class A Ordinary Shares 84 $46.76 $4K
Holdings After Transaction: Class A Ordinary Shares — 35,803 shares (Direct)
Footnotes (1)
  1. On October 15, 2025 the reporting person's restricted stock units automatically vested 168 shares. 84 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations. Includes 12,329 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 2,639 granted on February 23, 2023 that vest on February 23, 2026; 5,088 granted on February 22, 2024 of which 1,696 vested on February 22, 2025, 1,696 vest on February 22, 2026; 1,696 vest on February 22, 2027 and 6,298 granted on February 27, 2025 of which 2,100 vest on February 27, 2026, 2,099 vest on February 27, 2027 and 2,099 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*
Seward James Malcolm
(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 & Chief Innovation Officer
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 84(1) D $46.76 35,803(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 168 shares. 84 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.
2. Includes 12,329 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 2,639 granted on February 23, 2023 that vest on February 23, 2026; 5,088 granted on February 22, 2024 of which 1,696 vested on February 22, 2025, 1,696 vest on February 22, 2026; 1,696 vest on February 22, 2027 and 6,298 granted on February 27, 2025 of which 2,100 vest on February 27, 2026, 2,099 vest on February 27, 2027 and 2,099 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's EVP report on Form 4?

An RSU vesting on 10/15/2025 with 84 shares withheld (Code F) at $46.76 for tax obligations.

How many shares does the reporting person own after the transaction (LYB)?

The filing shows 35,803 shares beneficially owned directly after the reported transaction.

How many RSUs are outstanding for the LYB insider?

The report lists 12,329 RSUs outstanding under the long-term incentive plan with scheduled vesting dates.

What vested on 10/15/2025 in the LYB Form 4?

168 RSUs vested, of which 84 shares were withheld by the issuer to satisfy tax withholding obligations.

What is the transaction code and price reported?

Transaction Code F (tax withholding) and a share price of $46.76.

What is the insider’s role at LyondellBasell (LYB)?

The reporting person is an Officer: EVP & Chief Innovation Officer.