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LyondellBasell (NYSE: LYB) insider details RSUs and ESPP holdings

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

Rhea-AI Filing Summary

LyondellBasell Industries N.V. (LYB) reported an insider stock transaction by an executive serving as EVP, I&D & Supply Chain. On December 15, 2025, 50 Class A ordinary shares were disposed of at $43.34 when shares were withheld to satisfy tax obligations on the vesting of 202 restricted stock units granted on December 15, 2022.

After this transaction, the executive beneficially owned 15,066.5326 shares, including 11,408 restricted stock units granted under the long-term incentive plan and additional shares accumulated through the employee stock purchase plan.

Positive

  • None.

Negative

  • None.
Insider Ledet Aaron J
Role EVP, I&D & Supply Chain
Type Security Shares Price Value
Tax Withholding Class A Ordinary Shares 50 $43.34 $2K
Holdings After Transaction: Class A Ordinary Shares — 15,066.533 shares (Direct)
Footnotes (1)
  1. Represents shares withheld by the issuer to satisfy tax withholding obligations in connection with the vesting 202 shares of restricted stock units granted to the reporting person on December 15, 2022. Includes 11,408 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 1,453 granted on February 23, 2023 that vest on February 23, 2026; 3,698 granted on February 22, 2024 of which 1,234 vested on February 22, 2025, 1,232 vest on February 22, 2026; 1,232 vest on February 22, 2027; 2,497 granted on February 27, 2025 that vest on February 27, 2026; 2,497 granted on February 27, 2025 that vest on February 26, 2027 and 2,497 granted on February 27, 2025 that vest on February 26, 2028. Employee Stock Purchase Plan purchase of 16.69334 shares for $63.36 per share were allocated on March 31, 2025. Employee Stock Purchase Plan purchase of 131.839306 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*
Ledet Aaron J
(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, I&D & Supply Chain
3. Date of Earliest Transaction (Month/Day/Year)
12/15/2025
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 12/15/2025 F 50(1) D $43.34 15,066.5326(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. Represents shares withheld by the issuer to satisfy tax withholding obligations in connection with the vesting 202 shares of restricted stock units granted to the reporting person on December 15, 2022.
2. Includes 11,408 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 1,453 granted on February 23, 2023 that vest on February 23, 2026; 3,698 granted on February 22, 2024 of which 1,234 vested on February 22, 2025, 1,232 vest on February 22, 2026; 1,232 vest on February 22, 2027; 2,497 granted on February 27, 2025 that vest on February 27, 2026; 2,497 granted on February 27, 2025 that vest on February 26, 2027 and 2,497 granted on February 27, 2025 that vest on February 26, 2028.
3. Employee Stock Purchase Plan purchase of 16.69334 shares for $63.36 per share were allocated on March 31, 2025.
4. Employee Stock Purchase Plan purchase of 131.839306 shares for $52.07 per share were allocated on June 30, 2025.
Remarks:
/s/ Lara A. Mason, Attorney-in-Fact 12/16/2025
** 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 transaction did LyondellBasell (LYB) disclose on December 15, 2025?

LyondellBasell disclosed that an executive had 50 Class A ordinary shares withheld on December 15, 2025 at $43.34 per share to cover taxes on vesting restricted stock units.

How many LyondellBasell (LYB) shares does the executive own after the reported transaction?

Following the transaction, the executive beneficially owned 15,066.5326 shares of LyondellBasell, including restricted stock units and employee stock purchase plan shares.

What restricted stock units (RSUs) are included in the LyondellBasell (LYB) executives holdings?

The reported holdings include 11,408 RSUs, granted under the long-term incentive plan on various dates in 2023, 2024 and 2025, with scheduled vesting dates from February 23, 2026 through February 26, 2028.

What employee stock purchase plan activity is disclosed for the LyondellBasell (LYB) executive?

The holdings include employee stock purchase plan buys of 16.69334 shares at $63.36 per share allocated on March 31, 2025, and 131.839306 shares at $52.07 per share allocated on June 30, 2025.

What is the reporting persons role at LyondellBasell (LYB)?

The reporting person is an officer of LyondellBasell, serving as EVP, I&D & Supply Chain, and is not identified as a director or 10% owner.

Is this Form 4 filed for one or multiple reporting persons at LyondellBasell (LYB)?

The document indicates that it is a Form filed by one reporting person, not a joint or group filing.