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LyondellBasell Form 4: RSU vesting with 152-share tax withholding

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

Rhea-AI Filing Summary

LyondellBasell Industries N.V. (LYB) reported insider equity activity by its SVP & CAO. On October 15, 2025, 624 RSUs vested; 152 shares were withheld to cover taxes at $46.76 per share (Code F). After the transaction, the reporting person beneficially owned 4,924.1796 shares directly.

Holdings include 2,920 RSUs granted under the long‑term incentive plan with scheduled vesting dates through 2028. The filing also notes ESPP allocations of 124.084188 shares at $52.07 on June 30, 2025 and 87.325086 shares at $44.14 on September 30, 2025.

Positive

  • None.

Negative

  • None.
Insider Hayes Matthew D
Role SVP & CAO
Type Security Shares Price Value
Tax Withholding Class A Ordinary Shares 152 $46.76 $7K
Holdings After Transaction: Class A Ordinary Shares — 4,924.18 shares (Direct)
Footnotes (1)
  1. On October 15, 2025 the reporting person's restricted stock units automatically vested 624 shares. 152 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations. Includes 2,920 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 417 granted on February 23, 2023 that vest on February 23, 2026; 237 granted on February 22, 2024 that vest on February 22, 2026; 237 granted on February 22, 2024 that vest on February 22, 2027; 307 granted on February 27, 2025 that vest on February 27, 2026; 623 granted on October 15, 2024 that vest on October 15, 2026; 305 granted on February 27, 2025 that vest on February 27, 2027; 305 granted on February 27, 2025 that vest on February 27, 2028 and 489 granted on April 15, 2025 of which 163 vest on April 15, 2026, 163 vest on April 15, 2027 and 163 vest on April 15, 2028. ESPP purchase of 124.084188 shares for $52.07 per share were allocated on June 30, 2025. ESPP purchase of 87.325086 shares for $44.14 per share were allocated on September 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*
Hayes Matthew 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)
SVP & CAO
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 152(1) D $46.76 4,924.1796(2)(3)(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 October 15, 2025 the reporting person's restricted stock units automatically vested 624 shares. 152 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations.
2. Includes 2,920 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 417 granted on February 23, 2023 that vest on February 23, 2026; 237 granted on February 22, 2024 that vest on February 22, 2026; 237 granted on February 22, 2024 that vest on February 22, 2027; 307 granted on February 27, 2025 that vest on February 27, 2026; 623 granted on October 15, 2024 that vest on October 15, 2026; 305 granted on February 27, 2025 that vest on February 27, 2027; 305 granted on February 27, 2025 that vest on February 27, 2028 and 489 granted on April 15, 2025 of which 163 vest on April 15, 2026, 163 vest on April 15, 2027 and 163 vest on April 15, 2028.
3. ESPP purchase of 124.084188 shares for $52.07 per share were allocated on June 30, 2025.
4. ESPP purchase of 87.325086 shares for $44.14 per share were allocated on September 30, 2025.
Remarks:
/s/ Lara A. Mason, Attorney-in-Fact 10/16/2025
** 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 insider activity did LYB disclose on Form 4?

On October 15, 2025, 624 RSUs vested for the SVP & CAO; 152 shares were withheld for taxes at $46.76 per share (Code F).

How many LYB shares are beneficially owned after the transaction?

The reporting person beneficially owned 4,924.1796 shares directly following the transaction.

How many RSUs does the LYB officer hold and when do they vest?

The officer holds 2,920 RSUs with scheduled vesting dates spanning 2026 to 2028, as itemized in the filing.

What does the Code F transaction represent in this LYB filing?

Code F reflects issuer share withholding to satisfy tax obligations on vested equity; 152 shares were withheld at $46.76.

Were there recent ESPP purchases noted for LYB?

Yes. 124.084188 shares at $52.07 were allocated on June 30, 2025 and 87.325086 shares at $44.14 on September 30, 2025.

What is the insider’s role at LYB?

The reporting person is an Officer, serving as SVP & CAO.